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Diffstat (limited to 'arch/arm/mach-mx3/pcm037.c')
-rw-r--r--arch/arm/mach-mx3/pcm037.c138
1 files changed, 98 insertions, 40 deletions
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c
index 8cea82587222..5fce022114de 100644
--- a/arch/arm/mach-mx3/pcm037.c
+++ b/arch/arm/mach-mx3/pcm037.c
@@ -26,6 +26,8 @@
#include <linux/gpio.h>
#include <linux/smc911x.h>
#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -37,6 +39,10 @@
#include <mach/iomux-mx3.h>
#include <mach/board-pcm037.h>
#include <mach/mxc_nand.h>
+#include <mach/mmc.h>
+#ifdef CONFIG_I2C_IMX
+#include <mach/i2c.h>
+#endif
#include "devices.h"
@@ -117,12 +123,90 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = {
.hw_ecc = 1,
};
+#ifdef CONFIG_I2C_IMX
+static int i2c_1_pins[] = {
+ MX31_PIN_CSPI2_MOSI__SCL,
+ MX31_PIN_CSPI2_MISO__SDA,
+};
+
+static int pcm037_i2c_1_init(struct device *dev)
+{
+ return mxc_iomux_setup_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins),
+ "i2c-1");
+}
+
+static void pcm037_i2c_1_exit(struct device *dev)
+{
+ mxc_iomux_release_multiple_pins(i2c_1_pins, ARRAY_SIZE(i2c_1_pins));
+}
+
+static struct imxi2c_platform_data pcm037_i2c_1_data = {
+ .bitrate = 100000,
+ .init = pcm037_i2c_1_init,
+ .exit = pcm037_i2c_1_exit,
+};
+
+static struct at24_platform_data board_eeprom = {
+ .byte_len = 4096,
+ .page_size = 32,
+ .flags = AT24_FLAG_ADDR16,
+};
+
+static struct i2c_board_info pcm037_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
+ .platform_data = &board_eeprom,
+ }, {
+ I2C_BOARD_INFO("rtc-pcf8563", 0x51),
+ .type = "pcf8563",
+ }
+};
+#endif
+
+static int sdhc1_pins[] = {
+ MX31_PIN_SD1_DATA3__SD1_DATA3,
+ MX31_PIN_SD1_DATA2__SD1_DATA2,
+ MX31_PIN_SD1_DATA1__SD1_DATA1,
+ MX31_PIN_SD1_DATA0__SD1_DATA0,
+ MX31_PIN_SD1_CLK__SD1_CLK,
+ MX31_PIN_SD1_CMD__SD1_CMD,
+};
+
+static int pcm970_sdhc1_init(struct device *dev, irq_handler_t h, void *data)
+{
+ return mxc_iomux_setup_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins),
+ "sdhc-1");
+}
+
+static void pcm970_sdhc1_exit(struct device *dev, void *data)
+{
+ mxc_iomux_release_multiple_pins(sdhc1_pins, ARRAY_SIZE(sdhc1_pins));
+}
+
+/* No card and rw detection at the moment */
+static struct imxmmc_platform_data sdhc_pdata = {
+ .init = pcm970_sdhc1_init,
+ .exit = pcm970_sdhc1_exit,
+};
+
static struct platform_device *devices[] __initdata = {
&pcm037_flash,
&pcm037_eth,
&pcm037_sram_device,
};
+static int uart0_pins[] = {
+ MX31_PIN_CTS1__CTS1,
+ MX31_PIN_RTS1__RTS1,
+ MX31_PIN_TXD1__TXD1,
+ MX31_PIN_RXD1__RXD1
+};
+
+static int uart2_pins[] = {
+ MX31_PIN_CSPI3_MOSI__RXD3,
+ MX31_PIN_CSPI3_MISO__TXD3
+};
+
/*
* Board specific initialization.
*/
@@ -130,59 +214,33 @@ static void __init mxc_board_init(void)
{
platform_add_devices(devices, ARRAY_SIZE(devices));
- mxc_iomux_mode(MX31_PIN_CTS1__CTS1);
- mxc_iomux_mode(MX31_PIN_RTS1__RTS1);
- mxc_iomux_mode(MX31_PIN_TXD1__TXD1);
- mxc_iomux_mode(MX31_PIN_RXD1__RXD1);
-
+ mxc_iomux_setup_multiple_pins(uart0_pins, ARRAY_SIZE(uart0_pins), "uart-0");
mxc_register_device(&mxc_uart_device0, &uart_pdata);
- mxc_iomux_mode(MX31_PIN_CSPI3_MOSI__RXD3);
- mxc_iomux_mode(MX31_PIN_CSPI3_MISO__TXD3);
-
+ mxc_iomux_setup_multiple_pins(uart2_pins, ARRAY_SIZE(uart2_pins), "uart-2");
mxc_register_device(&mxc_uart_device2, &uart_pdata);
- mxc_iomux_mode(MX31_PIN_BATT_LINE__OWIRE);
+ mxc_iomux_setup_pin(MX31_PIN_BATT_LINE__OWIRE, "batt-0wire");
mxc_register_device(&mxc_w1_master_device, NULL);
/* SMSC9215 IRQ pin */
- mxc_iomux_mode(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO));
- if (!gpio_request(MX31_PIN_GPIO3_1, "pcm037-eth"))
+ if (!mxc_iomux_setup_pin(IOMUX_MODE(MX31_PIN_GPIO3_1, IOMUX_CONFIG_GPIO),
+ "pcm037-eth"))
gpio_direction_input(MX31_PIN_GPIO3_1);
- mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
-}
+#ifdef CONFIG_I2C_IMX
+ i2c_register_board_info(1, pcm037_i2c_devices,
+ ARRAY_SIZE(pcm037_i2c_devices));
-/*
- * This structure defines static mappings for the pcm037 board.
- */
-static struct map_desc pcm037_io_desc[] __initdata = {
- {
- .virtual = AIPS1_BASE_ADDR_VIRT,
- .pfn = __phys_to_pfn(AIPS1_BASE_ADDR),
- .length = AIPS1_SIZE,
- .type = MT_DEVICE_NONSHARED
- }, {
- .virtual = AIPS2_BASE_ADDR_VIRT,
- .pfn = __phys_to_pfn(AIPS2_BASE_ADDR),
- .length = AIPS2_SIZE,
- .type = MT_DEVICE_NONSHARED
- },
-};
-
-/*
- * Set up static virtual mappings.
- */
-void __init pcm037_map_io(void)
-{
- mxc_map_io();
- iotable_init(pcm037_io_desc, ARRAY_SIZE(pcm037_io_desc));
+ mxc_register_device(&mxc_i2c_device1, &pcm037_i2c_1_data);
+#endif
+ mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
+ mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
}
static void __init pcm037_timer_init(void)
{
- mxc_clocks_init(26000000);
- mxc_timer_init("ipg_clk.0");
+ mx31_clocks_init(26000000);
}
struct sys_timer pcm037_timer = {
@@ -194,7 +252,7 @@ MACHINE_START(PCM037, "Phytec Phycore pcm037")
.phys_io = AIPS1_BASE_ADDR,
.io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
- .map_io = pcm037_map_io,
+ .map_io = mxc_map_io,
.init_irq = mxc_init_irq,
.init_machine = mxc_board_init,
.timer = &pcm037_timer,