diff options
author | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-05-29 14:31:01 +1000 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-05-29 14:31:01 +1000 |
commit | d4dd66297c4f108399fac9cf175a46161087dbbe (patch) | |
tree | fede02bb9117a18ba68a692345f180f1d65552d5 | |
parent | 583719992b273a496e87bca252f57340fcb8ecaf (diff) | |
parent | 924fd92cf1b31e490362f6ea28d4565f3f9aefa7 (diff) |
Merge remote-tracking branch 'samsung/for-next'
42 files changed, 1736 insertions, 209 deletions
diff --git a/Documentation/devicetree/bindings/media/s5p-mfc.txt b/Documentation/devicetree/bindings/media/s5p-mfc.txt index bf0182d8da25..df37b0230c75 100644 --- a/Documentation/devicetree/bindings/media/s5p-mfc.txt +++ b/Documentation/devicetree/bindings/media/s5p-mfc.txt @@ -15,6 +15,9 @@ Required properties: mapped region. - interrupts : MFC interrupt number to the CPU. + - clocks : from common clock binding: handle to mfc clocks. + - clock-names : from common clock binding: must contain "sclk_mfc" and "mfc", + corresponding to entries in the clocks property. - samsung,mfc-r : Base address of the first memory bank used by MFC for DMA contiguous memory allocation and its size. @@ -34,6 +37,8 @@ mfc: codec@13400000 { reg = <0x13400000 0x10000>; interrupts = <0 94 0>; samsung,power-domain = <&pd_mfc>; + clocks = <&clock 170>, <&clock 273>; + clock-names = "sclk_mfc", "mfc"; }; Board specific DT entry: diff --git a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt index c70fca146e91..b2bc219e2003 100644 --- a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt @@ -7,6 +7,10 @@ on-chip controllers onto these pads. Required Properties: - compatible: should be one of the following. + - "samsung,s3c2412-pinctrl": for S3C2412-compatible pin-controller, + - "samsung,s3c2416-pinctrl": for S3C2416-compatible pin-controller, + - "samsung,s3c2440-pinctrl": for S3C2440-compatible pin-controller, + - "samsung,s3c2450-pinctrl": for S3C2450-compatible pin-controller, - "samsung,s3c64xx-pinctrl": for S3C64xx-compatible pin-controller, - "samsung,exynos4210-pinctrl": for Exynos4210 compatible pin-controller. - "samsung,exynos4x12-pinctrl": for Exynos4x12 compatible pin-controller. @@ -106,6 +110,10 @@ B. External Wakeup Interrupts: For supporting external wakeup interrupts, a - compatible: identifies the type of the external wakeup interrupt controller The possible values are: + - samsung,s3c2410-wakeup-eint: represents wakeup interrupt controller + found on Samsung S3C24xx SoCs except S3C2412 and S3C2413, + - samsung,s3c2412-wakeup-eint: represents wakeup interrupt controller + found on Samsung S3C2412 and S3C2413 SoCs, - samsung,s3c64xx-wakeup-eint: represents wakeup interrupt controller found on Samsung S3C64xx SoCs, - samsung,exynos4210-wakeup-eint: represents wakeup interrupt controller diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt index b3abde736017..d967ba16de60 100644 --- a/Documentation/devicetree/bindings/usb/exynos-usb.txt +++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt @@ -48,3 +48,37 @@ Example: clocks = <&clock 285>; clock-names = "usbhost"; }; + +DWC3 +Required properties: + - compatible: should be "samsung,exynos5250-dwusb3" for USB 3.0 DWC3 + controller. + - #address-cells, #size-cells : should be '1' if the device has sub-nodes + with 'reg' property. + - ranges: allows valid 1:1 translation between child's address space and + parent's address space + - clocks: Clock IDs array as required by the controller. + - clock-names: names of clocks correseponding to IDs in the clock property + +Sub-nodes: +The dwc3 core should be added as subnode to Exynos dwc3 glue. +- dwc3 : + The binding details of dwc3 can be found in: + Documentation/devicetree/bindings/usb/dwc3.txt + +Example: + usb@12000000 { + compatible = "samsung,exynos5250-dwusb3"; + clocks = <&clock 286>; + clock-names = "usbdrd30"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + dwc3 { + compatible = "synopsys,dwc3"; + reg = <0x12000000 0x10000>; + interrupts = <0 72 0>; + usb-phy = <&usb2_phy &usb3_phy>; + }; + }; diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 20bb83fca873..5645bd65f4a8 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2055,53 +2055,6 @@ menu "CPU Power Management" if ARCH_HAS_CPUFREQ source "drivers/cpufreq/Kconfig" - -config CPU_FREQ_S3C - bool - help - Internal configuration node for common cpufreq on Samsung SoC - -config CPU_FREQ_S3C24XX - bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" - depends on ARCH_S3C24XX && CPU_FREQ - select CPU_FREQ_S3C - help - This enables the CPUfreq driver for the Samsung S3C24XX family - of CPUs. - - For details, take a look at <file:Documentation/cpu-freq>. - - If in doubt, say N. - -config CPU_FREQ_S3C24XX_PLL - bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)" - depends on CPU_FREQ_S3C24XX - help - Compile in support for changing the PLL frequency from the - S3C24XX series CPUfreq driver. The PLL takes time to settle - after a frequency change, so by default it is not enabled. - - This also means that the PLL tables for the selected CPU(s) will - be built which may increase the size of the kernel image. - -config CPU_FREQ_S3C24XX_DEBUG - bool "Debug CPUfreq Samsung driver core" - depends on CPU_FREQ_S3C24XX - help - Enable s3c_freq_dbg for the Samsung S3C CPUfreq core - -config CPU_FREQ_S3C24XX_IODEBUG - bool "Debug CPUfreq Samsung driver IO timing" - depends on CPU_FREQ_S3C24XX - help - Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core - -config CPU_FREQ_S3C24XX_DEBUGFS - bool "Export debugfs for CPUFreq" - depends on CPU_FREQ_S3C24XX && DEBUG_FS - help - Export status information via debugfs. - endif source "drivers/cpuidle/Kconfig" diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 6a06f75d5b83..78695bdaba1e 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -165,6 +165,7 @@ dtb-$(CONFIG_ARCH_U8500) += snowball.dtb \ hrefprev60.dtb \ hrefv60plus.dtb \ ccu9540.dtb +dtb-$(CONFIG_ARCH_S3C24XX) += s3c2416-smdk2416.dtb dtb-$(CONFIG_ARCH_SHMOBILE) += emev2-kzm9d.dtb \ r8a7740-armadillo800eva.dtb \ r8a7778-bockw.dtb \ diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi index 359694c78918..bed40ee2e4f6 100644 --- a/arch/arm/boot/dts/exynos4.dtsi +++ b/arch/arm/boot/dts/exynos4.dtsi @@ -160,6 +160,8 @@ reg = <0x13400000 0x10000>; interrupts = <0 94 0>; samsung,power-domain = <&pd_mfc>; + clocks = <&clock 170>, <&clock 273>; + clock-names = "sclk_mfc", "mfc"; status = "disabled"; }; diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts index 524b90846df5..bcf80794caab 100644 --- a/arch/arm/boot/dts/exynos4210-origen.dts +++ b/arch/arm/boot/dts/exynos4210-origen.dts @@ -41,6 +41,10 @@ enable-active-high; }; + tmu@100C0000 { + status = "okay"; + }; + sdhci@12530000 { bus-width = <4>; pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; @@ -83,6 +87,149 @@ status = "okay"; }; + i2c@13860000 { + status = "okay"; + samsung,i2c-sda-delay = <100>; + samsung,i2c-max-bus-freq = <20000>; + pinctrl-0 = <&i2c0_bus>; + pinctrl-names = "default"; + + max8997_pmic@66 { + compatible = "maxim,max8997-pmic"; + reg = <0x66>; + interrupt-parent = <&gpx0>; + interrupts = <4 0>, <3 0>; + + max8997,pmic-buck1-dvs-voltage = <1350000>; + max8997,pmic-buck2-dvs-voltage = <1100000>; + max8997,pmic-buck5-dvs-voltage = <1200000>; + + regulators { + ldo1_reg: LDO1 { + regulator-name = "VDD_ABB_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + ldo2_reg: LDO2 { + regulator-name = "VDD_ALIVE_1.1V"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + }; + + ldo3_reg: LDO3 { + regulator-name = "VMIPI_1.1V"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + }; + + ldo4_reg: LDO4 { + regulator-name = "VDD_RTC_1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + + ldo6_reg: LDO6 { + regulator-name = "VMIPI_1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + + ldo7_reg: LDO7 { + regulator-name = "VDD_AUD_1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + ldo8_reg: LDO8 { + regulator-name = "VADC_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + ldo9_reg: LDO9 { + regulator-name = "DVDD_SWB_2.8V"; + regulator-min-microvolt = <2800000>; + regulator-max-microvolt = <2800000>; + regulator-always-on; + }; + + ldo10_reg: LDO10 { + regulator-name = "VDD_PLL_1.1V"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + }; + + ldo11_reg: LDO11 { + regulator-name = "VDD_AUD_3V"; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + }; + + ldo14_reg: LDO14 { + regulator-name = "AVDD18_SWB_1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + + ldo17_reg: LDO17 { + regulator-name = "VDD_SWB_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + ldo21_reg: LDO21 { + regulator-name = "VDD_MIF_1.2V"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + }; + + buck1_reg: BUCK1 { + regulator-name = "VDD_ARM_1.2V"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + }; + + buck2_reg: BUCK2 { + regulator-name = "VDD_INT_1.1V"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + regulator-boot-on; + }; + + buck3_reg: BUCK3 { + regulator-name = "VDD_G3D_1.1V"; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <1100000>; + }; + + buck5_reg: BUCK5 { + regulator-name = "VDDQ_M1M2_1.2V"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + }; + + buck7_reg: BUCK7 { + regulator-name = "VDD_LCD_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + }; + }; + }; + }; + gpio_keys { compatible = "gpio-keys"; #address-cells = <1>; diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi index 54710de82908..366795ad814a 100644 --- a/arch/arm/boot/dts/exynos4210.dtsi +++ b/arch/arm/boot/dts/exynos4210.dtsi @@ -112,6 +112,9 @@ interrupt-parent = <&combiner>; reg = <0x100C0000 0x100>; interrupts = <2 4>; + clocks = <&clock 383>; + clock-names = "tmu_apbif"; + status = "disabled"; }; g2d@12800000 { diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts index 1c21bad32ca9..790a999f01ac 100644 --- a/arch/arm/boot/dts/exynos4412-origen.dts +++ b/arch/arm/boot/dts/exynos4412-origen.dts @@ -36,6 +36,68 @@ enable-active-high; }; + pinctrl@11000000 { + keypad_rows: keypad-rows { + samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2"; + samsung,pin-function = <3>; + samsung,pin-pud = <3>; + samsung,pin-drv = <0>; + }; + + keypad_cols: keypad-cols { + samsung,pins = "gpx1-0", "gpx1-1"; + samsung,pin-function = <3>; + samsung,pin-pud = <0>; + samsung,pin-drv = <0>; + }; + }; + + keypad@100A0000 { + samsung,keypad-num-rows = <3>; + samsung,keypad-num-columns = <2>; + linux,keypad-no-autorepeat; + linux,keypad-wakeup; + pinctrl-0 = <&keypad_rows &keypad_cols>; + pinctrl-names = "default"; + status = "okay"; + + key_home { + keypad,row = <0>; + keypad,column = <0>; + linux,code = <102>; + }; + + key_down { + keypad,row = <0>; + keypad,column = <1>; + linux,code = <108>; + }; + + key_up { + keypad,row = <1>; + keypad,column = <0>; + linux,code = <103>; + }; + + key_menu { + keypad,row = <1>; + keypad,column = <1>; + linux,code = <139>; + }; + + key_back { + keypad,row = <2>; + keypad,column = <0>; + linux,code = <158>; + }; + + key_enter { + keypad,row = <2>; + keypad,column = <1>; + linux,code = <28>; + }; + }; + sdhci@12530000 { bus-width = <4>; pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts b/arch/arm/boot/dts/exynos4412-smdk4412.dts index dd564310d4a5..c52b01fa8260 100644 --- a/arch/arm/boot/dts/exynos4412-smdk4412.dts +++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts @@ -35,6 +35,93 @@ status = "okay"; }; + pinctrl@11000000 { + keypad_rows: keypad-rows { + samsung,pins = "gpx2-0", "gpx2-1", "gpx2-2"; + samsung,pin-function = <3>; + samsung,pin-pud = <3>; + samsung,pin-drv = <0>; + }; + + keypad_cols: keypad-cols { + samsung,pins = "gpx1-0", "gpx1-1", "gpx1-2", "gpx1-3", + "gpx1-4", "gpx1-5", "gpx1-6", "gpx1-7"; + samsung,pin-function = <3>; + samsung,pin-pud = <0>; + samsung,pin-drv = <0>; + }; + }; + + keypad@100A0000 { + samsung,keypad-num-rows = <3>; + samsung,keypad-num-columns = <8>; + linux,keypad-no-autorepeat; + linux,keypad-wakeup; + pinctrl-0 = <&keypad_rows &keypad_cols>; + pinctrl-names = "default"; + status = "okay"; + + key_1 { + keypad,row = <1>; + keypad,column = <3>; + linux,code = <2>; + }; + + key_2 { + keypad,row = <1>; + keypad,column = <4>; + linux,code = <3>; + }; + + key_3 { + keypad,row = <1>; + keypad,column = <5>; + linux,code = <4>; + }; + + key_4 { + keypad,row = <1>; + keypad,column = <6>; + linux,code = <5>; + }; + + key_5 { + keypad,row = <1>; + keypad,column = <7>; + linux,code = <6>; + }; + + key_A { + keypad,row = <2>; + keypad,column = <6>; + linux,code = <30>; + }; + + key_B { + keypad,row = <2>; + keypad,column = <7>; + linux,code = <48>; + }; + + key_C { + keypad,row = <0>; + keypad,column = <5>; + linux,code = <46>; + }; + + key_D { + keypad,row = <2>; + keypad,column = <5>; + linux,code = <32>; + }; + + key_E { + keypad,row = <0>; + keypad,column = <7>; + linux,code = <18>; + }; + }; + sdhci@12530000 { bus-width = <4>; pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; diff --git a/arch/arm/boot/dts/exynos4x12-pinctrl.dtsi b/arch/arm/boot/dts/exynos4x12-pinctrl.dtsi index 099cec79e2ae..704290f7c5c0 100644 --- a/arch/arm/boot/dts/exynos4x12-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos4x12-pinctrl.dtsi @@ -778,62 +778,6 @@ samsung,pin-drv = <3>; }; - keypad_col0: keypad-col0 { - samsung,pins = "gpl2-0"; - samsung,pin-function = <3>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; - }; - - keypad_col1: keypad-col1 { - samsung,pins = "gpl2-1"; - samsung,pin-function = <3>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; - }; - - keypad_col2: keypad-col2 { - samsung,pins = "gpl2-2"; - samsung,pin-function = <3>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; - }; - - keypad_col3: keypad-col3 { - samsung,pins = "gpl2-3"; - samsung,pin-function = <3>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; - }; - - keypad_col4: keypad-col4 { - samsung,pins = "gpl2-4"; - samsung,pin-function = <3>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; - }; - - keypad_col5: keypad-col5 { - samsung,pins = "gpl2-5"; - samsung,pin-function = <3>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; - }; - - keypad_col6: keypad-col6 { - samsung,pins = "gpl2-6"; - samsung,pin-function = <3>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; - }; - - keypad_col7: keypad-col7 { - samsung,pins = "gpl2-7"; - samsung,pin-function = <3>; - samsung,pin-pud = <0>; - samsung,pin-drv = <0>; - }; - cam_port_b: cam-port-b { samsung,pins = "gpm0-0", "gpm0-1", "gpm0-2", "gpm0-3", "gpm0-4", "gpm0-5", "gpm0-6", "gpm0-7", diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 98dfc3ea5c0b..9dfc6de97f34 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -479,6 +479,36 @@ pinctrl-0 = <&i2s2_bus>; }; + usb@12000000 { + compatible = "samsung,exynos5250-dwusb3"; + clocks = <&clock 286>; + clock-names = "usbdrd30"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + dwc3 { + compatible = "synopsys,dwc3"; + reg = <0x12000000 0x10000>; + interrupts = <0 72 0>; + usb-phy = <&usb2_phy &usb3_phy>; + }; + }; + + usb3_phy: usbphy@12100000 { + compatible = "samsung,exynos5250-usb3phy"; + reg = <0x12100000 0x100>; + clocks = <&clock 1>, <&clock 286>; + clock-names = "ext_xtal", "usbdrd30"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + usbphy-sys { + reg = <0x10040704 0x8>; + }; + }; + usb@12110000 { compatible = "samsung,exynos4210-ehci"; reg = <0x12110000 0x100>; @@ -497,6 +527,21 @@ clock-names = "usbhost"; }; + usb2_phy: usbphy@12130000 { + compatible = "samsung,exynos5250-usb2phy"; + reg = <0x12130000 0x100>; + clocks = <&clock 1>, <&clock 285>; + clock-names = "ext_xtal", "usbhost"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + usbphy-sys { + reg = <0x10040704 0x8>, + <0x10050230 0x4>; + }; + }; + amba { #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/boot/dts/s3c2416-pinctrl.dtsi b/arch/arm/boot/dts/s3c2416-pinctrl.dtsi new file mode 100644 index 000000000000..527e3193817f --- /dev/null +++ b/arch/arm/boot/dts/s3c2416-pinctrl.dtsi @@ -0,0 +1,173 @@ +/* + * Samsung S3C2416 pinctrl settings + * + * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +&pinctrl_0 { + /* + * Pin banks + */ + + gpa: gpa { + gpio-controller; + #gpio-cells = <2>; + }; + + gpb: gpb { + gpio-controller; + #gpio-cells = <2>; + }; + + gpc: gpc { + gpio-controller; + #gpio-cells = <2>; + }; + + gpd: gpd { + gpio-controller; + #gpio-cells = <2>; + }; + + gpe: gpe { + gpio-controller; + #gpio-cells = <2>; + }; + + gpf: gpf { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpg: gpg { + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gph: gph { + gpio-controller; + #gpio-cells = <2>; + }; + + gpj: gpj { + gpio-controller; + #gpio-cells = <2>; + }; + + gpk: gpk { + gpio-controller; + #gpio-cells = <2>; + }; + + gpl: gpl { + gpio-controller; + #gpio-cells = <2>; + }; + + gpm: gpm { + gpio-controller; + #gpio-cells = <2>; + }; + + /* + * Pin groups + */ + + uart0_data: uart0-data { + samsung,pins = "gph-0", "gph-1"; + samsung,pin-function = <2>; + }; + + uart0_fctl: uart0-fctl { + samsung,pins = "gph-8", "gph-9"; + samsung,pin-function = <2>; + }; + + uart1_data: uart1-data { + samsung,pins = "gph-2", "gph-3"; + samsung,pin-function = <2>; + }; + + uart1_fctl: uart1-fctl { + samsung,pins = "gph-10", "gph-11"; + samsung,pin-function = <2>; + }; + + uart2_data: uart2-data { + samsung,pins = "gph-4", "gph-5"; + samsung,pin-function = <2>; + }; + + uart2_fctl: uart2-fctl { + samsung,pins = "gph-6", "gph-7"; + samsung,pin-function = <2>; + }; + + uart3_data: uart3-data { + samsung,pins = "gph-6", "gph-7"; + samsung,pin-function = <2>; + }; + + extuart_clk: extuart-clk { + samsung,pins = "gph-12"; + samsung,pin-function = <2>; + }; + + i2c0_bus: i2c0-bus { + samsung,pins = "gpe-14", "gpe-15"; + samsung,pin-function = <2>; + }; + + spi0_bus: spi0-bus { + samsung,pins = "gpe-11", "gpe-12", "gpe-13"; + samsung,pin-function = <2>; + }; + + sd0_clk: sd0-clk { + samsung,pins = "gpe-5"; + samsung,pin-function = <2>; + }; + + sd0_cmd: sd0-cmd { + samsung,pins = "gpe-6"; + samsung,pin-function = <2>; + }; + + sd0_bus1: sd0-bus1 { + samsung,pins = "gpe-7"; + samsung,pin-function = <2>; + }; + + sd0_bus4: sd0-bus4 { + samsung,pins = "gpe-8", "gpe-9", "gpe-10"; + samsung,pin-function = <2>; + }; + + sd1_cmd: sd1-cmd { + samsung,pins = "gpl-8"; + samsung,pin-function = <2>; + }; + + sd1_clk: sd1-clk { + samsung,pins = "gpl-9"; + samsung,pin-function = <2>; + }; + + sd1_bus1: sd1-bus1 { + samsung,pins = "gpl-0"; + samsung,pin-function = <2>; + }; + + sd1_bus4: sd1-bus4 { + samsung,pins = "gpl-1", "gpl-2", "gpl-3"; + samsung,pin-function = <2>; + }; +}; diff --git a/arch/arm/boot/dts/s3c2416-smdk2416.dts b/arch/arm/boot/dts/s3c2416-smdk2416.dts new file mode 100644 index 000000000000..ad1dd09c10eb --- /dev/null +++ b/arch/arm/boot/dts/s3c2416-smdk2416.dts @@ -0,0 +1,72 @@ +/* + * SAMSUNG SMDK2416 board device tree source + * + * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/dts-v1/; +/include/ "s3c2416.dtsi" + +/ { + model = "SMDK2416"; + compatible = "samsung,s3c2416"; + + memory { + reg = <0x30000000 0x4000000>; + }; + + serial@50000000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart0_data>, <&uart0_fctl>; + }; + + serial@50004000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart1_data>, <&uart1_fctl>; + }; + + serial@50008000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart2_data>; + }; + + serial@5000C000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&uart3_data>; + }; + + watchdog@53000000 { + status = "okay"; + }; + + rtc@57000000 { + status = "okay"; + }; + + sdhci@4AC00000 { + pinctrl-names = "default"; + pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, + <&sd0_bus1>, <&sd0_bus4>; + bus-width = <4>; + cd-gpios = <&gpf 1 0>; + cd-inverted; + status = "okay"; + }; + + sdhci@4A800000 { + pinctrl-names = "default"; + pinctrl-0 = <&sd1_clk>, <&sd1_cmd>, + <&sd1_bus1>, <&sd1_bus4>; + bus-width = <4>; + broken-cd; + status = "okay"; + }; +}; diff --git a/arch/arm/boot/dts/s3c2416.dtsi b/arch/arm/boot/dts/s3c2416.dtsi new file mode 100644 index 000000000000..6809324934a3 --- /dev/null +++ b/arch/arm/boot/dts/s3c2416.dtsi @@ -0,0 +1,79 @@ +/* + * Samsung's S3C2416 SoC device tree source + * + * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/include/ "s3c24xx.dtsi" +/include/ "s3c2416-pinctrl.dtsi" + +/ { + model = "Samsung S3C2416 SoC"; + compatible = "samsung,s3c2416"; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu { + compatible = "arm,arm926ejs"; + }; + }; + + interrupt-controller@4a000000 { + compatible = "samsung,s3c2416-irq"; + }; + + pinctrl@56000000 { + compatible = "samsung,s3c2416-pinctrl"; + }; + + serial@50000000 { + compatible = "samsung,s3c2440-uart"; + }; + + serial@50004000 { + compatible = "samsung,s3c2440-uart"; + }; + + serial@50008000 { + compatible = "samsung,s3c2440-uart"; + }; + + serial@5000C000 { + compatible = "samsung,s3c2440-uart"; + reg = <0x5000C000 0x4000>; + interrupts = <1 18 24 4>, <1 18 25 4>; + status = "disabled"; + }; + + sdhci@4AC00000 { + compatible = "samsung,s3c6410-sdhci"; + reg = <0x4AC00000 0x100>; + interrupts = <0 0 21 3>; + status = "disabled"; + }; + + sdhci@4A800000 { + compatible = "samsung,s3c6410-sdhci"; + reg = <0x4A800000 0x100>; + interrupts = <0 0 20 3>; + status = "disabled"; + }; + + watchdog@53000000 { + interrupts = <1 9 27 3>; + }; + + rtc@57000000 { + compatible = "samsung,s3c2416-rtc"; + }; + + i2c@54000000 { + compatible = "samsung,s3c2440-i2c"; + }; +}; diff --git a/arch/arm/boot/dts/s3c24xx.dtsi b/arch/arm/boot/dts/s3c24xx.dtsi new file mode 100644 index 000000000000..cab46ff5fb4d --- /dev/null +++ b/arch/arm/boot/dts/s3c24xx.dtsi @@ -0,0 +1,92 @@ +/* + * Samsung's S3C24XX family device tree source + * + * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +/include/ "skeleton.dtsi" + +/ { + compatible = "samsung,s3c24xx"; + interrupt-parent = <&intc>; + + aliases { + pinctrl0 = &pinctrl_0; + }; + + intc:interrupt-controller@4a000000 { + compatible = "samsung,s3c2410-irq"; + reg = <0x4a000000 0x100>; + interrupt-controller; + #interrupt-cells = <4>; + }; + + pinctrl_0: pinctrl@56000000 { + reg = <0x56000000 0x1000>; + + wakeup-interrupt-controller { + compatible = "samsung,s3c2410-wakeup-eint"; + interrupts = <0 0 0 3>, + <0 0 1 3>, + <0 0 2 3>, + <0 0 3 3>, + <0 0 4 4>, + <0 0 5 4>; + }; + }; + + timer@51000000 { + compatible = "samsung,s3c2410-pwm"; + reg = <0x51000000 0x1000>; + interrupts = <0 0 10 3>, <0 0 11 3>, <0 0 12 3>, <0 0 13 3>, <0 0 14 3>; + #pwm-cells = <4>; + }; + + serial@50000000 { + compatible = "samsung,s3c2410-uart"; + reg = <0x50000000 0x4000>; + interrupts = <1 28 0 4>, <1 28 1 4>; + status = "disabled"; + }; + + serial@50004000 { + compatible = "samsung,s3c2410-uart"; + reg = <0x50004000 0x4000>; + interrupts = <1 23 3 4>, <1 23 4 4>; + status = "disabled"; + }; + + serial@50008000 { + compatible = "samsung,s3c2410-uart"; + reg = <0x50008000 0x4000>; + interrupts = <1 15 6 4>, <1 15 7 4>; + status = "disabled"; + }; + + watchdog@53000000 { + compatible = "samsung,s3c2410-wdt"; + reg = <0x53000000 0x100>; + interrupts = <0 0 9 3>; + status = "disabled"; + }; + + rtc@57000000 { + compatible = "samsung,s3c2410-rtc"; + reg = <0x57000000 0x100>; + interrupts = <0 0 30 3>, <0 0 8 3>; + status = "disabled"; + }; + + i2c@54000000 { + compatible = "samsung,s3c2410-i2c"; + reg = <0x54000000 0x100>; + interrupts = <0 0 27 3>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; +}; diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index d19edff0ea6e..6e77432a260c 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -428,6 +428,7 @@ config MACH_EXYNOS5_DT depends on ARCH_EXYNOS5 select ARM_AMBA select CLKSRC_OF + select USB_ARCH_HAS_XHCI select USE_OF help Machine support for Samsung EXYNOS5 machine with device tree enabled. diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index 753b94f3fca7..9596861969e4 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -14,6 +14,7 @@ #include <linux/memblock.h> #include <linux/io.h> #include <linux/clocksource.h> +#include <linux/dma-mapping.h> #include <asm/mach/arch.h> #include <mach/regs-pmu.h> @@ -23,11 +24,35 @@ #include "common.h" +static u64 dma_mask64 = DMA_BIT_MASK(64); +static u64 dma_mask32 = DMA_BIT_MASK(32); + static void __init exynos5_dt_map_io(void) { exynos_init_io(NULL, 0); } +static int exynos5440_platform_notifier(struct notifier_block *nb, + unsigned long event, void *__dev) +{ + struct device *dev = __dev; + + if (event != BUS_NOTIFY_ADD_DEVICE) + return NOTIFY_DONE; + + dev->dma_mask = &dma_mask64; + dev->coherent_dma_mask = DMA_BIT_MASK(64); + + if (of_device_is_compatible(dev->of_node, "snps,dwmac-3.70a")) + dev->dma_mask = &dma_mask32; + + return NOTIFY_OK; +} + +static struct notifier_block exynos5440_platform_nb = { + .notifier_call = exynos5440_platform_notifier, +}; + static void __init exynos5_dt_machine_init(void) { struct device_node *i2c_np; @@ -52,6 +77,9 @@ static void __init exynos5_dt_machine_init(void) } } + if (of_machine_is_compatible("samsung,exynos5440")) + bus_register_notifier(&platform_bus_type, &exynos5440_platform_nb); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig index f2f7088bfd22..7ef71198fc11 100644 --- a/arch/arm/mach-s3c24xx/Kconfig +++ b/arch/arm/mach-s3c24xx/Kconfig @@ -28,7 +28,7 @@ config CPU_S3C2410 select CPU_ARM920T select CPU_LLSERIAL_S3C2410 select S3C2410_CLOCK - select S3C2410_CPUFREQ if CPU_FREQ_S3C24XX + select ARM_S3C2410_CPUFREQ if ARM_S3C24XX_CPUFREQ select S3C2410_PM if PM select SAMSUNG_HRT help @@ -204,27 +204,38 @@ config S3C24XX_GPIO_EXTRA128 Add an extra 128 gpio numbers to the available GPIO pool. This is available for boards that need extra gpios for external devices. +config S3C24XX_PLL + bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)" + depends on ARM_S3C24XX + help + Compile in support for changing the PLL frequency from the + S3C24XX series CPUfreq driver. The PLL takes time to settle + after a frequency change, so by default it is not enabled. + + This also means that the PLL tables for the selected CPU(s) will + be built which may increase the size of the kernel image. + # cpu frequency items common between s3c2410 and s3c2440/s3c2442 config S3C2410_IOTIMING bool - depends on CPU_FREQ_S3C24XX + depends on ARM_S3C24XX_CPUFREQ help Internal node to select io timing code that is common to the s3c2410 and s3c2440/s3c2442 cpu frequency support. config S3C2410_CPUFREQ_UTILS - bool - depends on CPU_FREQ_S3C24XX - help - Internal node to select timing code that is common to the s3c2410 - and s3c2440/s3c244 cpu frequency support. + bool + depends on ARM_S3C24XX_CPUFREQ + help + Internal node to select timing code that is common to the s3c2410 + and s3c2440/s3c244 cpu frequency support. # cpu frequency support common to s3c2412, s3c2413 and s3c2442 config S3C2412_IOTIMING bool - depends on CPU_FREQ_S3C24XX && (CPU_S3C2412 || CPU_S3C2443) + depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2412 || CPU_S3C2443) help Intel node to select io timing code that is common to the s3c2412 and the s3c2443. @@ -233,16 +244,9 @@ config S3C2412_IOTIMING if CPU_S3C2410 -config S3C2410_CPUFREQ - bool - depends on CPU_FREQ_S3C24XX - select S3C2410_CPUFREQ_UTILS - help - CPU Frequency scaling support for S3C2410 - config S3C2410_PLL bool - depends on S3C2410_CPUFREQ && CPU_FREQ_S3C24XX_PLL + depends on ARM_S3C2410_CPUFREQ && S3C24XX_PLL default y help Select the PLL table for the S3C2410 @@ -278,7 +282,7 @@ config ARCH_BAST bool "Simtec Electronics BAST (EB2410ITX)" select ISA select MACH_BAST_IDE - select S3C2410_IOTIMING if S3C2410_CPUFREQ + select S3C2410_IOTIMING if ARM_S3C2410_CPUFREQ select S3C24XX_DCLK select S3C24XX_SIMTEC_NOR select S3C24XX_SIMTEC_PM if PM @@ -385,14 +389,6 @@ config CPU_S3C2412_ONLY !CPU_S3C2442 && !CPU_S3C2443 default y -config S3C2412_CPUFREQ - bool - depends on CPU_FREQ_S3C24XX - default y - select S3C2412_IOTIMING - help - CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. - config S3C2412_DMA bool help @@ -490,18 +486,22 @@ config MACH_SMDK2416 help Say Y here if you are using an SMDK2416 +config MACH_S3C2416_DT + bool "Samsung S3C2416 machine using devicetree" + select CLKSRC_OF + select USE_OF + select PINCTRL + select PINCTRL_S3C24XX + help + Machine support for Samsung S3C2416 machines with device tree enabled. + Select this if a fdt blob is available for the S3C2416 SoC based board. + Note: This is under development and not all peripherals can be supported + with this machine file. + endif # CPU_S3C2416 if CPU_S3C2440 -config S3C2440_CPUFREQ - bool "S3C2440/S3C2442 CPU Frequency scaling support" - depends on CPU_FREQ_S3C24XX && (CPU_S3C2440 || CPU_S3C2442) - default y - select S3C2410_CPUFREQ_UTILS - help - CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. - config S3C2440_DMA bool help @@ -521,15 +521,15 @@ config S3C2440_XTAL_16934400 config S3C2440_PLL_12000000 bool - depends on S3C2440_CPUFREQ && S3C2440_XTAL_12000000 - default y if CPU_FREQ_S3C24XX_PLL + depends on ARM_S3C2440_CPUFREQ && S3C2440_XTAL_12000000 + default y if S3C24XX_PLL help PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals. config S3C2440_PLL_16934400 bool - depends on S3C2440_CPUFREQ && S3C2440_XTAL_16934400 - default y if CPU_FREQ_S3C24XX_PLL + depends on ARM_S3C2440_CPUFREQ && S3C2440_XTAL_16934400 + default y if S3C24XX_PLL help PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals. @@ -583,7 +583,7 @@ config MACH_NEXCODER_2440 config MACH_OSIRIS bool "Simtec IM2440D20 (OSIRIS) module" - select S3C2410_IOTIMING if S3C2440_CPUFREQ + select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ select S3C2440_XTAL_12000000 select S3C24XX_DCLK select S3C24XX_GPIO_EXTRA128 @@ -655,7 +655,7 @@ config MACH_RX1950 bool "HP iPAQ rx1950" select I2C select PM_H1940 if PM - select S3C2410_IOTIMING if S3C2440_CPUFREQ + select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ select S3C2440_XTAL_16934400 select S3C24XX_DCLK select S3C24XX_PWM diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile index 6f46ecfc8396..7f54e5b954ca 100644 --- a/arch/arm/mach-s3c24xx/Makefile +++ b/arch/arm/mach-s3c24xx/Makefile @@ -17,13 +17,11 @@ obj- := obj-y += common.o obj-$(CONFIG_CPU_S3C2410) += s3c2410.o -obj-$(CONFIG_S3C2410_CPUFREQ) += cpufreq-s3c2410.o obj-$(CONFIG_S3C2410_DMA) += dma-s3c2410.o obj-$(CONFIG_S3C2410_PLL) += pll-s3c2410.o obj-$(CONFIG_S3C2410_PM) += pm-s3c2410.o sleep-s3c2410.o obj-$(CONFIG_CPU_S3C2412) += s3c2412.o clock-s3c2412.o -obj-$(CONFIG_S3C2412_CPUFREQ) += cpufreq-s3c2412.o obj-$(CONFIG_S3C2412_DMA) += dma-s3c2412.o obj-$(CONFIG_S3C2412_PM) += pm-s3c2412.o obj-$(CONFIG_S3C2412_PM_SLEEP) += sleep-s3c2412.o @@ -34,7 +32,6 @@ obj-$(CONFIG_S3C2416_PM) += pm-s3c2416.o obj-$(CONFIG_CPU_S3C2440) += s3c2440.o clock-s3c2440.o obj-$(CONFIG_CPU_S3C2442) += s3c2442.o obj-$(CONFIG_CPU_S3C244X) += s3c244x.o clock-s3c244x.o -obj-$(CONFIG_S3C2440_CPUFREQ) += cpufreq-s3c2440.o obj-$(CONFIG_S3C2440_DMA) += dma-s3c2440.o obj-$(CONFIG_S3C2440_PLL_12000000) += pll-s3c2440-12000000.o obj-$(CONFIG_S3C2440_PLL_16934400) += pll-s3c2440-16934400.o @@ -59,9 +56,6 @@ obj-$(CONFIG_S3C2412_IOTIMING) += iotiming-s3c2412.o obj-$(CONFIG_S3C2443_COMMON) += common-s3c2443.o obj-$(CONFIG_S3C2443_DMA) += dma-s3c2443.o -obj-$(CONFIG_CPU_FREQ_S3C24XX) += cpufreq.o -obj-$(CONFIG_CPU_FREQ_S3C24XX_DEBUGFS) += cpufreq-debugfs.o - # # machine support # following is ordered alphabetically by option text. @@ -85,6 +79,7 @@ obj-$(CONFIG_MACH_SMDK2413) += mach-smdk2413.o obj-$(CONFIG_MACH_VSTMS) += mach-vstms.o obj-$(CONFIG_MACH_SMDK2416) += mach-smdk2416.o +obj-$(CONFIG_MACH_S3C2416_DT) += mach-s3c2416-dt.o obj-$(CONFIG_MACH_ANUBIS) += mach-anubis.o obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o diff --git a/arch/arm/mach-s3c24xx/dma-s3c2412.c b/arch/arm/mach-s3c24xx/dma-s3c2412.c index ab1700ec8e64..b7e094671522 100644 --- a/arch/arm/mach-s3c24xx/dma-s3c2412.c +++ b/arch/arm/mach-s3c24xx/dma-s3c2412.c @@ -35,121 +35,95 @@ static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = { [DMACH_XD0] = { .name = "xdreq0", .channels = MAP(S3C2412_DMAREQSEL_XDREQ0), - .channels_rx = MAP(S3C2412_DMAREQSEL_XDREQ0), }, [DMACH_XD1] = { .name = "xdreq1", .channels = MAP(S3C2412_DMAREQSEL_XDREQ1), - .channels_rx = MAP(S3C2412_DMAREQSEL_XDREQ1), }, [DMACH_SDI] = { .name = "sdi", .channels = MAP(S3C2412_DMAREQSEL_SDI), - .channels_rx = MAP(S3C2412_DMAREQSEL_SDI), }, - [DMACH_SPI0] = { - .name = "spi0", + [DMACH_SPI0_RX] = { + .name = "spi0-rx", + .channels = MAP(S3C2412_DMAREQSEL_SPI0RX), + }, + [DMACH_SPI0_TX] = { + .name = "spi0-tx", .channels = MAP(S3C2412_DMAREQSEL_SPI0TX), - .channels_rx = MAP(S3C2412_DMAREQSEL_SPI0RX), }, - [DMACH_SPI1] = { - .name = "spi1", + [DMACH_SPI1_RX] = { + .name = "spi1-rx", + .channels = MAP(S3C2412_DMAREQSEL_SPI1RX), + }, + [DMACH_SPI1_TX] = { + .name = "spi1-tx", .channels = MAP(S3C2412_DMAREQSEL_SPI1TX), - .channels_rx = MAP(S3C2412_DMAREQSEL_SPI1RX), }, [DMACH_UART0] = { .name = "uart0", .channels = MAP(S3C2412_DMAREQSEL_UART0_0), - .channels_rx = MAP(S3C2412_DMAREQSEL_UART0_0), }, [DMACH_UART1] = { .name = "uart1", .channels = MAP(S3C2412_DMAREQSEL_UART1_0), - .channels_rx = MAP(S3C2412_DMAREQSEL_UART1_0), }, [DMACH_UART2] = { .name = "uart2", .channels = MAP(S3C2412_DMAREQSEL_UART2_0), - .channels_rx = MAP(S3C2412_DMAREQSEL_UART2_0), }, [DMACH_UART0_SRC2] = { .name = "uart0", .channels = MAP(S3C2412_DMAREQSEL_UART0_1), - .channels_rx = MAP(S3C2412_DMAREQSEL_UART0_1), }, [DMACH_UART1_SRC2] = { .name = "uart1", .channels = MAP(S3C2412_DMAREQSEL_UART1_1), - .channels_rx = MAP(S3C2412_DMAREQSEL_UART1_1), }, [DMACH_UART2_SRC2] = { .name = "uart2", .channels = MAP(S3C2412_DMAREQSEL_UART2_1), - .channels_rx = MAP(S3C2412_DMAREQSEL_UART2_1), }, [DMACH_TIMER] = { .name = "timer", .channels = MAP(S3C2412_DMAREQSEL_TIMER), - .channels_rx = MAP(S3C2412_DMAREQSEL_TIMER), }, [DMACH_I2S_IN] = { .name = "i2s-sdi", .channels = MAP(S3C2412_DMAREQSEL_I2SRX), - .channels_rx = MAP(S3C2412_DMAREQSEL_I2SRX), }, [DMACH_I2S_OUT] = { .name = "i2s-sdo", .channels = MAP(S3C2412_DMAREQSEL_I2STX), - .channels_rx = MAP(S3C2412_DMAREQSEL_I2STX), }, [DMACH_USB_EP1] = { .name = "usb-ep1", .channels = MAP(S3C2412_DMAREQSEL_USBEP1), - .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP1), }, [DMACH_USB_EP2] = { .name = "usb-ep2", .channels = MAP(S3C2412_DMAREQSEL_USBEP2), - .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP2), }, [DMACH_USB_EP3] = { .name = "usb-ep3", .channels = MAP(S3C2412_DMAREQSEL_USBEP3), - .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP3), }, [DMACH_USB_EP4] = { .name = "usb-ep4", .channels = MAP(S3C2412_DMAREQSEL_USBEP4), - .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP4), }, }; -static void s3c2412_dma_direction(struct s3c2410_dma_chan *chan, - struct s3c24xx_dma_map *map, - enum dma_data_direction dir) -{ - unsigned long chsel; - - if (dir == DMA_FROM_DEVICE) - chsel = map->channels_rx[0]; - else - chsel = map->channels[0]; - - chsel &= ~DMA_CH_VALID; - chsel |= S3C2412_DMAREQSEL_HW; - - writel(chsel, chan->regs + S3C2412_DMA_DMAREQSEL); -} - static void s3c2412_dma_select(struct s3c2410_dma_chan *chan, struct s3c24xx_dma_map *map) { - s3c2412_dma_direction(chan, map, chan->source); + unsigned long chsel = map->channels[0] & (~DMA_CH_VALID); + writel(chsel | S3C2412_DMAREQSEL_HW, + chan->regs + S3C2412_DMA_DMAREQSEL); } static struct s3c24xx_dma_selection __initdata s3c2412_dma_sel = { .select = s3c2412_dma_select, - .direction = s3c2412_dma_direction, .dcon_mask = 0, .map = s3c2412_dma_mappings, .map_size = ARRAY_SIZE(s3c2412_dma_mappings), diff --git a/arch/arm/mach-s3c24xx/dma-s3c2443.c b/arch/arm/mach-s3c24xx/dma-s3c2443.c index 5fe3539dc2b5..95b9f759fe97 100644 --- a/arch/arm/mach-s3c24xx/dma-s3c2443.c +++ b/arch/arm/mach-s3c24xx/dma-s3c2443.c @@ -128,7 +128,8 @@ static struct s3c24xx_dma_map __initdata s3c2443_dma_mappings[] = { static void s3c2443_dma_select(struct s3c2410_dma_chan *chan, struct s3c24xx_dma_map *map) { - writel(map->channels[0] | S3C2443_DMAREQSEL_HW, + unsigned long chsel = map->channels[0] & (~DMA_CH_VALID); + writel(chsel | S3C2443_DMAREQSEL_HW, chan->regs + S3C2443_DMA_DMAREQSEL); } diff --git a/arch/arm/mach-s3c24xx/dma.c b/arch/arm/mach-s3c24xx/dma.c index aab64909e9a3..4a65cba3295d 100644 --- a/arch/arm/mach-s3c24xx/dma.c +++ b/arch/arm/mach-s3c24xx/dma.c @@ -1159,9 +1159,6 @@ int s3c2410_dma_devconfig(enum dma_ch channel, return -EINVAL; } - if (dma_sel.direction != NULL) - (dma_sel.direction)(chan, chan->map, source); - return 0; } diff --git a/arch/arm/mach-s3c24xx/s3c2412.h b/arch/arm/mach-s3c24xx/include/mach/s3c2412.h index 548ced42cbb7..548ced42cbb7 100644 --- a/arch/arm/mach-s3c24xx/s3c2412.h +++ b/arch/arm/mach-s3c24xx/include/mach/s3c2412.h diff --git a/arch/arm/mach-s3c24xx/iotiming-s3c2412.c b/arch/arm/mach-s3c24xx/iotiming-s3c2412.c index 663436d9db01..bd064c05c473 100644 --- a/arch/arm/mach-s3c24xx/iotiming-s3c2412.c +++ b/arch/arm/mach-s3c24xx/iotiming-s3c2412.c @@ -31,7 +31,7 @@ #include <plat/cpu-freq-core.h> #include <plat/clock.h> -#include "s3c2412.h" +#include <mach/s3c2412.h> #define print_ns(x) ((x) / 10), ((x) % 10) diff --git a/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c b/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c new file mode 100644 index 000000000000..f5c9072e1e35 --- /dev/null +++ b/arch/arm/mach-s3c24xx/mach-s3c2416-dt.c @@ -0,0 +1,91 @@ +/* + * Samsung's S3C2416 flattened device tree enabled machine + * + * Copyright (c) 2012 Heiko Stuebner <heiko@sntech.de> + * + * based on mach-exynos/mach-exynos4-dt.c + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2010-2011 Linaro Ltd. + * www.linaro.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/clocksource.h> +#include <linux/irqchip.h> +#include <linux/of_platform.h> +#include <linux/serial_core.h> + +#include <asm/mach/arch.h> +#include <mach/map.h> + +#include <plat/cpu.h> +#include <plat/pm.h> +#include <plat/regs-serial.h> + +#include "common.h" + +/* + * The following lookup table is used to override device names when devices + * are registered from device tree. This is temporarily added to enable + * device tree support addition for the S3C2416 architecture. + * + * For drivers that require platform data to be provided from the machine + * file, a platform data pointer can also be supplied along with the + * devices names. Usually, the platform data elements that cannot be parsed + * from the device tree by the drivers (example: function pointers) are + * supplied. But it should be noted that this is a temporary mechanism and + * at some point, the drivers should be capable of parsing all the platform + * data from the device tree. + */ +static const struct of_dev_auxdata s3c2416_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C2410_PA_UART0, + "s3c2440-uart.0", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C2410_PA_UART1, + "s3c2440-uart.1", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C2410_PA_UART2, + "s3c2440-uart.2", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-uart", S3C2443_PA_UART3, + "s3c2440-uart.3", NULL), + OF_DEV_AUXDATA("samsung,s3c6410-sdhci", S3C_PA_HSMMC0, + "s3c-sdhci.0", NULL), + OF_DEV_AUXDATA("samsung,s3c6410-sdhci", S3C_PA_HSMMC1, + "s3c-sdhci.1", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-i2c", S3C_PA_IIC, + "s3c2440-i2c.0", NULL), + {}, +}; + +static void __init s3c2416_dt_map_io(void) +{ + s3c24xx_init_io(NULL, 0); + s3c24xx_init_clocks(12000000); +} + +static void __init s3c2416_dt_machine_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, + s3c2416_auxdata_lookup, NULL); + + s3c_pm_init(); +} + +static char const *s3c2416_dt_compat[] __initdata = { + "samsung,s3c2416", + "samsung,s3c2450", + NULL +}; + +DT_MACHINE_START(S3C2416_DT, "Samsung S3C2416 (Flattened Device Tree)") + /* Maintainer: Heiko Stuebner <heiko@sntech.de> */ + .dt_compat = s3c2416_dt_compat, + .map_io = s3c2416_dt_map_io, + .init_irq = irqchip_init, + .init_machine = s3c2416_dt_machine_init, + .init_time = clocksource_of_init, + .restart = s3c2416_restart, +MACHINE_END diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h index 95509d8eb140..d7e17150028a 100644 --- a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h +++ b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h @@ -202,7 +202,7 @@ extern int s3c_plltab_register(struct cpufreq_frequency_table *plls, extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void); extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void); -#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS +#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS #define s3c_cpufreq_debugfs_call(x) x #else #define s3c_cpufreq_debugfs_call(x) NULL @@ -259,17 +259,17 @@ extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg, #define s3c2412_iotiming_set NULL #endif /* CONFIG_S3C2412_IOTIMING */ -#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUG +#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG #define s3c_freq_dbg(x...) printk(KERN_INFO x) #else #define s3c_freq_dbg(x...) do { if (0) printk(x); } while (0) -#endif /* CONFIG_CPU_FREQ_S3C24XX_DEBUG */ +#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG */ -#ifdef CONFIG_CPU_FREQ_S3C24XX_IODEBUG +#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG #define s3c_freq_iodbg(x...) printk(KERN_INFO x) #else #define s3c_freq_iodbg(x...) do { if (0) printk(x); } while (0) -#endif /* CONFIG_CPU_FREQ_S3C24XX_IODEBUG */ +#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG */ static inline int s3c_cpufreq_addfreq(struct cpufreq_frequency_table *table, int index, size_t table_size, diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq.h b/arch/arm/plat-samsung/include/plat/cpu-freq.h index 80c4a809c721..85517ab962ae 100644 --- a/arch/arm/plat-samsung/include/plat/cpu-freq.h +++ b/arch/arm/plat-samsung/include/plat/cpu-freq.h @@ -126,7 +126,7 @@ struct s3c_cpufreq_board { }; /* Things depending on frequency scaling. */ -#ifdef CONFIG_CPU_FREQ_S3C +#ifdef CONFIG_ARM_S3C_CPUFREQ #define __init_or_cpufreq #else #define __init_or_cpufreq __init @@ -134,7 +134,7 @@ struct s3c_cpufreq_board { /* Board functions */ -#ifdef CONFIG_CPU_FREQ_S3C +#ifdef CONFIG_ARM_S3C_CPUFREQ extern int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board); #else @@ -142,4 +142,4 @@ static inline int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board) { return 0; } -#endif /* CONFIG_CPU_FREQ_S3C */ +#endif /* CONFIG_ARM_S3C_CPUFREQ */ diff --git a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h index d01576318b2c..bd3a6db14cbb 100644 --- a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h +++ b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h @@ -28,7 +28,6 @@ struct s3c24xx_dma_map { const char *name; unsigned long channels[S3C_DMA_CHANNELS]; - unsigned long channels_rx[S3C_DMA_CHANNELS]; }; struct s3c24xx_dma_selection { @@ -38,10 +37,6 @@ struct s3c24xx_dma_selection { void (*select)(struct s3c2410_dma_chan *chan, struct s3c24xx_dma_map *map); - - void (*direction)(struct s3c2410_dma_chan *chan, - struct s3c24xx_dma_map *map, - enum dma_data_direction dir); }; extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel); diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 6e57543fe0b9..a92440896868 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -96,6 +96,56 @@ config ARM_OMAP2PLUS_CPUFREQ default ARCH_OMAP2PLUS select CPU_FREQ_TABLE +config ARM_S3C_CPUFREQ + bool + help + Internal configuration node for common cpufreq on Samsung SoC + +config ARM_S3C24XX_CPUFREQ + bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" + depends on ARCH_S3C24XX + select ARM_S3C_CPUFREQ + help + This enables the CPUfreq driver for the Samsung S3C24XX family + of CPUs. + + For details, take a look at <file:Documentation/cpu-freq>. + + If in doubt, say N. + +config ARM_S3C24XX_CPUFREQ_DEBUG + bool "Debug CPUfreq Samsung driver core" + depends on ARM_S3C24XX_CPUFREQ + help + Enable s3c_freq_dbg for the Samsung S3C CPUfreq core + +config ARM_S3C24XX_CPUFREQ_IODEBUG + bool "Debug CPUfreq Samsung driver IO timing" + depends on ARM_S3C24XX_CPUFREQ + help + Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core + +config ARM_S3C24XX_CPUFREQ_DEBUGFS + bool "Export debugfs for CPUFreq" + depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS + help + Export status information via debugfs. + +config ARM_S3C2410_CPUFREQ + bool + depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 + select S3C2410_CPUFREQ_UTILS + help + CPU Frequency scaling support for S3C2410 + +config ARM_S3C2412_CPUFREQ + bool + depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 + default y + select S3C2412_IOTIMING + help + CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. + config ARM_S3C2416_CPUFREQ bool "S3C2416 CPU Frequency scaling support" depends on CPU_S3C2416 @@ -118,6 +168,14 @@ config ARM_S3C2416_CPUFREQ_VCORESCALE If in doubt, say N. +config ARM_S3C2440_CPUFREQ + bool "S3C2440/S3C2442 CPU Frequency scaling support" + depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442) + select S3C2410_CPUFREQ_UTILS + default y + help + CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. + config ARM_S3C64XX_CPUFREQ bool "Samsung S3C64XX" depends on CPU_S3C6410 diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index 315b9231feb1..6ad0b913ca17 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -65,7 +65,12 @@ obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o obj-$(CONFIG_PXA25x) += pxa2xx-cpufreq.o obj-$(CONFIG_PXA27x) += pxa2xx-cpufreq.o obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o +obj-$(CONFIG_ARM_S3C24XX_CPUFREQ) += s3c24xx-cpufreq.o +obj-$(CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS) += s3c24xx-cpufreq-debugfs.o +obj-$(CONFIG_ARM_S3C2410_CPUFREQ) += s3c2410-cpufreq.o +obj-$(CONFIG_ARM_S3C2412_CPUFREQ) += s3c2412-cpufreq.o obj-$(CONFIG_ARM_S3C2416_CPUFREQ) += s3c2416-cpufreq.o +obj-$(CONFIG_ARM_S3C2440_CPUFREQ) += s3c2440-cpufreq.o obj-$(CONFIG_ARM_S3C64XX_CPUFREQ) += s3c64xx-cpufreq.o obj-$(CONFIG_ARM_S5PV210_CPUFREQ) += s5pv210-cpufreq.o obj-$(CONFIG_ARM_SA1100_CPUFREQ) += sa1100-cpufreq.o diff --git a/arch/arm/mach-s3c24xx/cpufreq-s3c2410.c b/drivers/cpufreq/s3c2410-cpufreq.c index cfa0dd8723ec..cfa0dd8723ec 100644 --- a/arch/arm/mach-s3c24xx/cpufreq-s3c2410.c +++ b/drivers/cpufreq/s3c2410-cpufreq.c diff --git a/arch/arm/mach-s3c24xx/cpufreq-s3c2412.c b/drivers/cpufreq/s3c2412-cpufreq.c index 8bf0f3a77476..4645b4898996 100644 --- a/arch/arm/mach-s3c24xx/cpufreq-s3c2412.c +++ b/drivers/cpufreq/s3c2412-cpufreq.c @@ -25,13 +25,12 @@ #include <asm/mach/map.h> #include <mach/regs-clock.h> +#include <mach/s3c2412.h> #include <plat/cpu.h> #include <plat/clock.h> #include <plat/cpu-freq-core.h> -#include "s3c2412.h" - /* our clock resources. */ static struct clk *xtal; static struct clk *fclk; diff --git a/arch/arm/mach-s3c24xx/cpufreq-s3c2440.c b/drivers/cpufreq/s3c2440-cpufreq.c index 72b2cc8a5a85..72b2cc8a5a85 100644 --- a/arch/arm/mach-s3c24xx/cpufreq-s3c2440.c +++ b/drivers/cpufreq/s3c2440-cpufreq.c diff --git a/arch/arm/mach-s3c24xx/cpufreq-debugfs.c b/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c index 9b7b4289d66c..9b7b4289d66c 100644 --- a/arch/arm/mach-s3c24xx/cpufreq-debugfs.c +++ b/drivers/cpufreq/s3c24xx-cpufreq-debugfs.c diff --git a/arch/arm/mach-s3c24xx/cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c index 3c0e78ede0da..3c0e78ede0da 100644 --- a/arch/arm/mach-s3c24xx/cpufreq.c +++ b/drivers/cpufreq/s3c24xx-cpufreq.c diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c index b22ca7933745..83a0d711b154 100644 --- a/drivers/gpio/gpio-samsung.c +++ b/drivers/gpio/gpio-samsung.c @@ -3026,6 +3026,10 @@ static __init int samsung_gpiolib_init(void) */ struct device_node *pctrl_np; static const struct of_device_id exynos_pinctrl_ids[] = { + { .compatible = "samsung,s3c2412-pinctrl", }, + { .compatible = "samsung,s3c2416-pinctrl", }, + { .compatible = "samsung,s3c2440-pinctrl", }, + { .compatible = "samsung,s3c2450-pinctrl", }, { .compatible = "samsung,exynos4210-pinctrl", }, { .compatible = "samsung,exynos4x12-pinctrl", }, { .compatible = "samsung,exynos5250-pinctrl", }, diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 8f6692438149..526a5d04c216 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -216,6 +216,11 @@ config PINCTRL_EXYNOS5440 select PINMUX select PINCONF +config PINCTRL_S3C24XX + bool "Samsung S3C24XX SoC pinctrl driver" + depends on ARCH_S3C24XX + select PINCTRL_SAMSUNG + config PINCTRL_S3C64XX bool "Samsung S3C64XX SoC pinctrl driver" depends on ARCH_S3C64XX diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 0348c0f8856d..c18149ab1ad3 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_PINCTRL_COH901) += pinctrl-coh901.o obj-$(CONFIG_PINCTRL_SAMSUNG) += pinctrl-samsung.o obj-$(CONFIG_PINCTRL_EXYNOS) += pinctrl-exynos.o obj-$(CONFIG_PINCTRL_EXYNOS5440) += pinctrl-exynos5440.o +obj-$(CONFIG_PINCTRL_S3C24XX) += pinctrl-s3c24xx.o obj-$(CONFIG_PINCTRL_S3C64XX) += pinctrl-s3c64xx.o obj-$(CONFIG_PINCTRL_XWAY) += pinctrl-xway.o obj-$(CONFIG_PINCTRL_LANTIQ) += pinctrl-lantiq.o diff --git a/drivers/pinctrl/pinctrl-s3c24xx.c b/drivers/pinctrl/pinctrl-s3c24xx.c new file mode 100644 index 000000000000..c8b03996cdcb --- /dev/null +++ b/drivers/pinctrl/pinctrl-s3c24xx.c @@ -0,0 +1,652 @@ +/* + * S3C24XX specific support for Samsung pinctrl/gpiolib driver. + * + * Copyright (c) 2013 Heiko Stuebner <heiko@sntech.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This file contains the SamsungS3C24XX specific information required by the + * Samsung pinctrl/gpiolib driver. It also includes the implementation of + * external gpio and wakeup interrupt support. + */ + +#include <linux/module.h> +#include <linux/device.h> +#include <linux/interrupt.h> +#include <linux/irqdomain.h> +#include <linux/irq.h> +#include <linux/of_irq.h> +#include <linux/io.h> +#include <linux/slab.h> +#include <linux/err.h> + +#include <asm/mach/irq.h> + +#include "pinctrl-samsung.h" + +#define NUM_EINT 24 +#define NUM_EINT_IRQ 6 +#define EINT_MAX_PER_GROUP 8 + +#define EINTPEND_REG 0xa8 +#define EINTMASK_REG 0xa4 + +#define EINT_GROUP(i) ((int)((i) / EINT_MAX_PER_GROUP)) +#define EINT_REG(i) ((EINT_GROUP(i) * 4) + 0x88) +#define EINT_OFFS(i) ((i) % EINT_MAX_PER_GROUP * 4) + +#define EINT_LEVEL_LOW 0 +#define EINT_LEVEL_HIGH 1 +#define EINT_EDGE_FALLING 2 +#define EINT_EDGE_RISING 4 +#define EINT_EDGE_BOTH 6 +#define EINT_MASK 0xf + +static struct samsung_pin_bank_type bank_type_1bit = { + .fld_width = { 1, 1, }, + .reg_offset = { 0x00, 0x04, }, +}; + +static struct samsung_pin_bank_type bank_type_2bit = { + .fld_width = { 2, 1, 2, }, + .reg_offset = { 0x00, 0x04, 0x08, }, +}; + +#define PIN_BANK_A(pins, reg, id) \ + { \ + .type = &bank_type_1bit, \ + .pctl_offset = reg, \ + .nr_pins = pins, \ + .eint_type = EINT_TYPE_NONE, \ + .name = id \ + } + +#define PIN_BANK_2BIT(pins, reg, id) \ + { \ + .type = &bank_type_2bit, \ + .pctl_offset = reg, \ + .nr_pins = pins, \ + .eint_type = EINT_TYPE_NONE, \ + .name = id \ + } + +#define PIN_BANK_2BIT_EINTW(pins, reg, id, eoffs, emask)\ + { \ + .type = &bank_type_2bit, \ + .pctl_offset = reg, \ + .nr_pins = pins, \ + .eint_type = EINT_TYPE_WKUP, \ + .eint_func = 2, \ + .eint_mask = emask, \ + .eint_offset = eoffs, \ + .name = id \ + } + +/** + * struct s3c24xx_eint_data: EINT common data + * @drvdata: pin controller driver data + * @domains: IRQ domains of particular EINT interrupts + * @parents: mapped parent irqs in the main interrupt controller + */ +struct s3c24xx_eint_data { + struct samsung_pinctrl_drv_data *drvdata; + struct irq_domain *domains[NUM_EINT]; + int parents[NUM_EINT_IRQ]; +}; + +/** + * struct s3c24xx_eint_domain_data: per irq-domain data + * @bank: pin bank related to the domain + * @eint_data: common data + * eint0_3_parent_only: live eints 0-3 only in the main intc + */ +struct s3c24xx_eint_domain_data { + struct samsung_pin_bank *bank; + struct s3c24xx_eint_data *eint_data; + bool eint0_3_parent_only; +}; + +static int s3c24xx_eint_get_trigger(unsigned int type) +{ + switch (type) { + case IRQ_TYPE_EDGE_RISING: + return EINT_EDGE_RISING; + break; + case IRQ_TYPE_EDGE_FALLING: + return EINT_EDGE_FALLING; + break; + case IRQ_TYPE_EDGE_BOTH: + return EINT_EDGE_BOTH; + break; + case IRQ_TYPE_LEVEL_HIGH: + return EINT_LEVEL_HIGH; + break; + case IRQ_TYPE_LEVEL_LOW: + return EINT_LEVEL_LOW; + break; + default: + return -EINVAL; + } +} + +static void s3c24xx_eint_set_handler(unsigned int irq, unsigned int type) +{ + /* Edge- and level-triggered interrupts need different handlers */ + if (type & IRQ_TYPE_EDGE_BOTH) + __irq_set_handler_locked(irq, handle_edge_irq); + else + __irq_set_handler_locked(irq, handle_level_irq); +} + +static void s3c24xx_eint_set_function(struct samsung_pinctrl_drv_data *d, + struct samsung_pin_bank *bank, int pin) +{ + struct samsung_pin_bank_type *bank_type = bank->type; + unsigned long flags; + void __iomem *reg; + u8 shift; + u32 mask; + u32 val; + + /* Make sure that pin is configured as interrupt */ + reg = d->virt_base + bank->pctl_offset; + shift = pin * bank_type->fld_width[PINCFG_TYPE_FUNC]; + mask = (1 << bank_type->fld_width[PINCFG_TYPE_FUNC]) - 1; + + spin_lock_irqsave(&bank->slock, flags); + + val = readl(reg); + val &= ~(mask << shift); + val |= bank->eint_func << shift; + writel(val, reg); + + spin_unlock_irqrestore(&bank->slock, flags); +} + +static int s3c24xx_eint_type(struct irq_data *data, unsigned int type) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct samsung_pinctrl_drv_data *d = bank->drvdata; + int index = bank->eint_offset + data->hwirq; + void __iomem *reg; + int trigger; + u8 shift; + u32 val; + + trigger = s3c24xx_eint_get_trigger(type); + if (trigger < 0) { + dev_err(d->dev, "unsupported external interrupt type\n"); + return -EINVAL; + } + + s3c24xx_eint_set_handler(data->irq, type); + + /* Set up interrupt trigger */ + reg = d->virt_base + EINT_REG(index); + shift = EINT_OFFS(index); + + val = readl(reg); + val &= ~(EINT_MASK << shift); + val |= trigger << shift; + writel(val, reg); + + s3c24xx_eint_set_function(d, bank, data->hwirq); + + return 0; +} + +/* Handling of EINTs 0-3 on all except S3C2412 and S3C2413 */ + +static void s3c2410_eint0_3_ack(struct irq_data *data) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct s3c24xx_eint_domain_data *ddata = bank->irq_domain->host_data; + struct s3c24xx_eint_data *eint_data = ddata->eint_data; + int parent_irq = eint_data->parents[data->hwirq]; + struct irq_chip *parent_chip = irq_get_chip(parent_irq); + + parent_chip->irq_ack(irq_get_irq_data(parent_irq)); +} + +static void s3c2410_eint0_3_mask(struct irq_data *data) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct s3c24xx_eint_domain_data *ddata = bank->irq_domain->host_data; + struct s3c24xx_eint_data *eint_data = ddata->eint_data; + int parent_irq = eint_data->parents[data->hwirq]; + struct irq_chip *parent_chip = irq_get_chip(parent_irq); + + parent_chip->irq_mask(irq_get_irq_data(parent_irq)); +} + +static void s3c2410_eint0_3_unmask(struct irq_data *data) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct s3c24xx_eint_domain_data *ddata = bank->irq_domain->host_data; + struct s3c24xx_eint_data *eint_data = ddata->eint_data; + int parent_irq = eint_data->parents[data->hwirq]; + struct irq_chip *parent_chip = irq_get_chip(parent_irq); + + parent_chip->irq_unmask(irq_get_irq_data(parent_irq)); +} + +static struct irq_chip s3c2410_eint0_3_chip = { + .name = "s3c2410-eint0_3", + .irq_ack = s3c2410_eint0_3_ack, + .irq_mask = s3c2410_eint0_3_mask, + .irq_unmask = s3c2410_eint0_3_unmask, + .irq_set_type = s3c24xx_eint_type, +}; + +static void s3c2410_demux_eint0_3(unsigned int irq, struct irq_desc *desc) +{ + struct irq_data *data = irq_desc_get_irq_data(desc); + struct s3c24xx_eint_data *eint_data = irq_get_handler_data(irq); + unsigned int virq; + + /* the first 4 eints have a simple 1 to 1 mapping */ + virq = irq_linear_revmap(eint_data->domains[data->hwirq], data->hwirq); + /* Something must be really wrong if an unmapped EINT is unmasked */ + BUG_ON(!virq); + + generic_handle_irq(virq); +} + +/* Handling of EINTs 0-3 on S3C2412 and S3C2413 */ + +static void s3c2412_eint0_3_ack(struct irq_data *data) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct samsung_pinctrl_drv_data *d = bank->drvdata; + + unsigned long bitval = 1UL << data->hwirq; + writel(bitval, d->virt_base + EINTPEND_REG); +} + +static void s3c2412_eint0_3_mask(struct irq_data *data) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct samsung_pinctrl_drv_data *d = bank->drvdata; + unsigned long mask; + + mask = readl(d->virt_base + EINTMASK_REG); + mask |= (1UL << data->hwirq); + writel(mask, d->virt_base + EINTMASK_REG); +} + +static void s3c2412_eint0_3_unmask(struct irq_data *data) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct samsung_pinctrl_drv_data *d = bank->drvdata; + unsigned long mask; + + mask = readl(d->virt_base + EINTMASK_REG); + mask &= ~(1UL << data->hwirq); + writel(mask, d->virt_base + EINTMASK_REG); +} + +static struct irq_chip s3c2412_eint0_3_chip = { + .name = "s3c2412-eint0_3", + .irq_ack = s3c2412_eint0_3_ack, + .irq_mask = s3c2412_eint0_3_mask, + .irq_unmask = s3c2412_eint0_3_unmask, + .irq_set_type = s3c24xx_eint_type, +}; + +static void s3c2412_demux_eint0_3(unsigned int irq, struct irq_desc *desc) +{ + struct irq_chip *chip = irq_get_chip(irq); + struct irq_data *data = irq_desc_get_irq_data(desc); + struct s3c24xx_eint_data *eint_data = irq_get_handler_data(irq); + unsigned int virq; + + chained_irq_enter(chip, desc); + + /* the first 4 eints have a simple 1 to 1 mapping */ + virq = irq_linear_revmap(eint_data->domains[data->hwirq], data->hwirq); + /* Something must be really wrong if an unmapped EINT is unmasked */ + BUG_ON(!virq); + + generic_handle_irq(virq); + + chained_irq_exit(chip, desc); +} + +/* Handling of all other eints */ + +static void s3c24xx_eint_ack(struct irq_data *data) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct samsung_pinctrl_drv_data *d = bank->drvdata; + unsigned char index = bank->eint_offset + data->hwirq; + + writel(1UL << index, d->virt_base + EINTPEND_REG); +} + +static void s3c24xx_eint_mask(struct irq_data *data) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct samsung_pinctrl_drv_data *d = bank->drvdata; + unsigned char index = bank->eint_offset + data->hwirq; + unsigned long mask; + + mask = readl(d->virt_base + EINTMASK_REG); + mask |= (1UL << index); + writel(mask, d->virt_base + EINTMASK_REG); +} + +static void s3c24xx_eint_unmask(struct irq_data *data) +{ + struct samsung_pin_bank *bank = irq_data_get_irq_chip_data(data); + struct samsung_pinctrl_drv_data *d = bank->drvdata; + unsigned char index = bank->eint_offset + data->hwirq; + unsigned long mask; + + mask = readl(d->virt_base + EINTMASK_REG); + mask &= ~(1UL << index); + writel(mask, d->virt_base + EINTMASK_REG); +} + +static struct irq_chip s3c24xx_eint_chip = { + .name = "s3c-eint", + .irq_ack = s3c24xx_eint_ack, + .irq_mask = s3c24xx_eint_mask, + .irq_unmask = s3c24xx_eint_unmask, + .irq_set_type = s3c24xx_eint_type, +}; + +static inline void s3c24xx_demux_eint(unsigned int irq, struct irq_desc *desc, + u32 offset, u32 range) +{ + struct irq_chip *chip = irq_get_chip(irq); + struct s3c24xx_eint_data *data = irq_get_handler_data(irq); + struct samsung_pinctrl_drv_data *d = data->drvdata; + unsigned int pend, mask; + + chained_irq_enter(chip, desc); + + pend = readl(d->virt_base + EINTPEND_REG); + mask = readl(d->virt_base + EINTMASK_REG); + + pend &= ~mask; + pend &= range; + + while (pend) { + unsigned int virq; + + irq = __ffs(pend); + pend &= ~(1 << irq); + virq = irq_linear_revmap(data->domains[irq], irq - offset); + /* Something is really wrong if an unmapped EINT is unmasked */ + BUG_ON(!virq); + + generic_handle_irq(virq); + } + + chained_irq_exit(chip, desc); +} + +static void s3c24xx_demux_eint4_7(unsigned int irq, struct irq_desc *desc) +{ + s3c24xx_demux_eint(irq, desc, 0, 0xf0); +} + +static void s3c24xx_demux_eint8_23(unsigned int irq, struct irq_desc *desc) +{ + s3c24xx_demux_eint(irq, desc, 8, 0xffff00); +} + +static irq_flow_handler_t s3c2410_eint_handlers[NUM_EINT_IRQ] = { + s3c2410_demux_eint0_3, + s3c2410_demux_eint0_3, + s3c2410_demux_eint0_3, + s3c2410_demux_eint0_3, + s3c24xx_demux_eint4_7, + s3c24xx_demux_eint8_23, +}; + +static irq_flow_handler_t s3c2412_eint_handlers[NUM_EINT_IRQ] = { + s3c2412_demux_eint0_3, + s3c2412_demux_eint0_3, + s3c2412_demux_eint0_3, + s3c2412_demux_eint0_3, + s3c24xx_demux_eint4_7, + s3c24xx_demux_eint8_23, +}; + +static int s3c24xx_gpf_irq_map(struct irq_domain *h, unsigned int virq, + irq_hw_number_t hw) +{ + struct s3c24xx_eint_domain_data *ddata = h->host_data; + struct samsung_pin_bank *bank = ddata->bank; + + if (!(bank->eint_mask & (1 << (bank->eint_offset + hw)))) + return -EINVAL; + + if (hw <= 3) { + if (ddata->eint0_3_parent_only) + irq_set_chip_and_handler(virq, &s3c2410_eint0_3_chip, + handle_edge_irq); + else + irq_set_chip_and_handler(virq, &s3c2412_eint0_3_chip, + handle_edge_irq); + } else { + irq_set_chip_and_handler(virq, &s3c24xx_eint_chip, + handle_edge_irq); + } + irq_set_chip_data(virq, bank); + set_irq_flags(virq, IRQF_VALID); + return 0; +} + +static const struct irq_domain_ops s3c24xx_gpf_irq_ops = { + .map = s3c24xx_gpf_irq_map, + .xlate = irq_domain_xlate_twocell, +}; + +static int s3c24xx_gpg_irq_map(struct irq_domain *h, unsigned int virq, + irq_hw_number_t hw) +{ + struct s3c24xx_eint_domain_data *ddata = h->host_data; + struct samsung_pin_bank *bank = ddata->bank; + + if (!(bank->eint_mask & (1 << (bank->eint_offset + hw)))) + return -EINVAL; + + irq_set_chip_and_handler(virq, &s3c24xx_eint_chip, handle_edge_irq); + irq_set_chip_data(virq, bank); + set_irq_flags(virq, IRQF_VALID); + return 0; +} + +static const struct irq_domain_ops s3c24xx_gpg_irq_ops = { + .map = s3c24xx_gpg_irq_map, + .xlate = irq_domain_xlate_twocell, +}; + +static const struct of_device_id s3c24xx_eint_irq_ids[] = { + { .compatible = "samsung,s3c2410-wakeup-eint", .data = (void *)1 }, + { .compatible = "samsung,s3c2412-wakeup-eint", .data = (void *)0 }, + { } +}; + +static int s3c24xx_eint_init(struct samsung_pinctrl_drv_data *d) +{ + struct device *dev = d->dev; + const struct of_device_id *match; + struct device_node *eint_np = NULL; + struct device_node *np; + struct samsung_pin_bank *bank; + struct s3c24xx_eint_data *eint_data; + const struct irq_domain_ops *ops; + unsigned int i; + bool eint0_3_parent_only; + irq_flow_handler_t *handlers; + + for_each_child_of_node(dev->of_node, np) { + match = of_match_node(s3c24xx_eint_irq_ids, np); + if (match) { + eint_np = np; + eint0_3_parent_only = (bool)match->data; + break; + } + } + if (!eint_np) + return -ENODEV; + + eint_data = devm_kzalloc(dev, sizeof(*eint_data), GFP_KERNEL); + if (!eint_data) + return -ENOMEM; + + eint_data->drvdata = d; + + handlers = eint0_3_parent_only ? s3c2410_eint_handlers + : s3c2412_eint_handlers; + for (i = 0; i < NUM_EINT_IRQ; ++i) { + unsigned int irq; + + irq = irq_of_parse_and_map(eint_np, i); + if (!irq) { + dev_err(dev, "failed to get wakeup EINT IRQ %d\n", i); + return -ENXIO; + } + + eint_data->parents[i] = irq; + irq_set_chained_handler(irq, handlers[i]); + irq_set_handler_data(irq, eint_data); + } + + bank = d->ctrl->pin_banks; + for (i = 0; i < d->ctrl->nr_banks; ++i, ++bank) { + struct s3c24xx_eint_domain_data *ddata; + unsigned int mask; + unsigned int irq; + unsigned int pin; + + if (bank->eint_type != EINT_TYPE_WKUP) + continue; + + ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL); + if (!ddata) + return -ENOMEM; + + ddata->bank = bank; + ddata->eint_data = eint_data; + ddata->eint0_3_parent_only = eint0_3_parent_only; + + ops = (bank->eint_offset == 0) ? &s3c24xx_gpf_irq_ops + : &s3c24xx_gpg_irq_ops; + + bank->irq_domain = irq_domain_add_linear(bank->of_node, + bank->nr_pins, ops, ddata); + if (!bank->irq_domain) { + dev_err(dev, "wkup irq domain add failed\n"); + return -ENXIO; + } + + irq = bank->eint_offset; + mask = bank->eint_mask; + for (pin = 0; mask; ++pin, mask >>= 1) { + if (irq > NUM_EINT) + break; + if (!(mask & 1)) + continue; + eint_data->domains[irq] = bank->irq_domain; + ++irq; + } + } + + return 0; +} + +static struct samsung_pin_bank s3c2412_pin_banks[] = { + PIN_BANK_A(23, 0x000, "gpa"), + PIN_BANK_2BIT(11, 0x010, "gpb"), + PIN_BANK_2BIT(16, 0x020, "gpc"), + PIN_BANK_2BIT(16, 0x030, "gpd"), + PIN_BANK_2BIT(16, 0x040, "gpe"), + PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff), + PIN_BANK_2BIT_EINTW(16, 0x060, "gpg", 8, 0xffff00), + PIN_BANK_2BIT(11, 0x070, "gph"), + PIN_BANK_2BIT(13, 0x080, "gpj"), +}; + +struct samsung_pin_ctrl s3c2412_pin_ctrl[] = { + { + .pin_banks = s3c2412_pin_banks, + .nr_banks = ARRAY_SIZE(s3c2412_pin_banks), + .eint_wkup_init = s3c24xx_eint_init, + .label = "S3C2412-GPIO", + }, +}; + +static struct samsung_pin_bank s3c2416_pin_banks[] = { + PIN_BANK_A(27, 0x000, "gpa"), + PIN_BANK_2BIT(11, 0x010, "gpb"), + PIN_BANK_2BIT(16, 0x020, "gpc"), + PIN_BANK_2BIT(16, 0x030, "gpd"), + PIN_BANK_2BIT(16, 0x040, "gpe"), + PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff), + PIN_BANK_2BIT_EINTW(8, 0x060, "gpg", 8, 0xff00), + PIN_BANK_2BIT(15, 0x070, "gph"), + PIN_BANK_2BIT(16, 0x0e0, "gpk"), + PIN_BANK_2BIT(14, 0x0f0, "gpl"), + PIN_BANK_2BIT(2, 0x100, "gpm"), +}; + +struct samsung_pin_ctrl s3c2416_pin_ctrl[] = { + { + .pin_banks = s3c2416_pin_banks, + .nr_banks = ARRAY_SIZE(s3c2416_pin_banks), + .eint_wkup_init = s3c24xx_eint_init, + .label = "S3C2416-GPIO", + }, +}; + +static struct samsung_pin_bank s3c2440_pin_banks[] = { + PIN_BANK_A(25, 0x000, "gpa"), + PIN_BANK_2BIT(11, 0x010, "gpb"), + PIN_BANK_2BIT(16, 0x020, "gpc"), + PIN_BANK_2BIT(16, 0x030, "gpd"), + PIN_BANK_2BIT(16, 0x040, "gpe"), + PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff), + PIN_BANK_2BIT_EINTW(16, 0x060, "gpg", 8, 0xffff00), + PIN_BANK_2BIT(11, 0x070, "gph"), + PIN_BANK_2BIT(13, 0x0d0, "gpj"), +}; + +struct samsung_pin_ctrl s3c2440_pin_ctrl[] = { + { + .pin_banks = s3c2440_pin_banks, + .nr_banks = ARRAY_SIZE(s3c2440_pin_banks), + .eint_wkup_init = s3c24xx_eint_init, + .label = "S3C2440-GPIO", + }, +}; + +static struct samsung_pin_bank s3c2450_pin_banks[] = { + PIN_BANK_A(28, 0x000, "gpa"), + PIN_BANK_2BIT(11, 0x010, "gpb"), + PIN_BANK_2BIT(16, 0x020, "gpc"), + PIN_BANK_2BIT(16, 0x030, "gpd"), + PIN_BANK_2BIT(16, 0x040, "gpe"), + PIN_BANK_2BIT_EINTW(8, 0x050, "gpf", 0, 0xff), + PIN_BANK_2BIT_EINTW(16, 0x060, "gpg", 8, 0xffff00), + PIN_BANK_2BIT(15, 0x070, "gph"), + PIN_BANK_2BIT(16, 0x0d0, "gpj"), + PIN_BANK_2BIT(16, 0x0e0, "gpk"), + PIN_BANK_2BIT(15, 0x0f0, "gpl"), + PIN_BANK_2BIT(2, 0x100, "gpm"), +}; + +struct samsung_pin_ctrl s3c2450_pin_ctrl[] = { + { + .pin_banks = s3c2450_pin_banks, + .nr_banks = ARRAY_SIZE(s3c2450_pin_banks), + .eint_wkup_init = s3c24xx_eint_init, + .label = "S3C2450-GPIO", + }, +}; diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c index 63ac22e89678..e67ff1b8042c 100644 --- a/drivers/pinctrl/pinctrl-samsung.c +++ b/drivers/pinctrl/pinctrl-samsung.c @@ -1118,6 +1118,16 @@ static const struct of_device_id samsung_pinctrl_dt_match[] = { { .compatible = "samsung,s3c64xx-pinctrl", .data = s3c64xx_pin_ctrl }, #endif +#ifdef CONFIG_PINCTRL_S3C24XX + { .compatible = "samsung,s3c2412-pinctrl", + .data = s3c2412_pin_ctrl }, + { .compatible = "samsung,s3c2416-pinctrl", + .data = s3c2416_pin_ctrl }, + { .compatible = "samsung,s3c2440-pinctrl", + .data = s3c2440_pin_ctrl }, + { .compatible = "samsung,s3c2450-pinctrl", + .data = s3c2450_pin_ctrl }, +#endif {}, }; MODULE_DEVICE_TABLE(of, samsung_pinctrl_dt_match); diff --git a/drivers/pinctrl/pinctrl-samsung.h b/drivers/pinctrl/pinctrl-samsung.h index 26d3519240c9..79fcc2076c00 100644 --- a/drivers/pinctrl/pinctrl-samsung.h +++ b/drivers/pinctrl/pinctrl-samsung.h @@ -255,5 +255,9 @@ extern struct samsung_pin_ctrl exynos4210_pin_ctrl[]; extern struct samsung_pin_ctrl exynos4x12_pin_ctrl[]; extern struct samsung_pin_ctrl exynos5250_pin_ctrl[]; extern struct samsung_pin_ctrl s3c64xx_pin_ctrl[]; +extern struct samsung_pin_ctrl s3c2412_pin_ctrl[]; +extern struct samsung_pin_ctrl s3c2416_pin_ctrl[]; +extern struct samsung_pin_ctrl s3c2440_pin_ctrl[]; +extern struct samsung_pin_ctrl s3c2450_pin_ctrl[]; #endif /* __PINCTRL_SAMSUNG_H */ |