Merge branch 'quilt/usb'

4 files changed, 145 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile
index e3212c8ff421..e35f9bd32624 100644
--- a/arch/arm/plat-mxc/Makefile
+++ b/arch/arm/plat-mxc/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_ARCH_MX1) += iomux-mx1-mx2.o dma-mx1-mx2.o
 obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o dma-mx1-mx2.o
 obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o
 obj-$(CONFIG_MXC_PWM)  += pwm.o
+obj-$(CONFIG_USB_EHCI_MXC) += ehci.o
diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c
new file mode 100644
index 000000000000..41599be882e8
--- /dev/null
+++ b/arch/arm/plat-mxc/ehci.c
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2009 Daniel Mack <daniel@caiaq.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 program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/mxc_ehci.h>
+
+#define USBCTRL_OTGBASE_OFFSET	0x600
+
+#define MX31_OTG_SIC_SHIFT	29
+#define MX31_OTG_SIC_MASK	(0xf << MX31_OTG_SIC_SHIFT)
+#define MX31_OTG_PM_BIT		(1 << 24)
+
+#define MX31_H2_SIC_SHIFT	21
+#define MX31_H2_SIC_MASK	(0xf << MX31_H2_SIC_SHIFT)
+#define MX31_H2_PM_BIT		(1 << 16)
+#define MX31_H2_DT_BIT		(1 << 5)
+
+#define MX31_H1_SIC_SHIFT	13
+#define MX31_H1_SIC_MASK	(0xf << MX31_H1_SIC_SHIFT)
+#define MX31_H1_PM_BIT		(1 << 8)
+#define MX31_H1_DT_BIT		(1 << 4)
+
+int mxc_set_usbcontrol(int port, unsigned int flags)
+{
+	unsigned int v;
+
+	if (cpu_is_mx31()) {
+		v = readl(IO_ADDRESS(MX31_OTG_BASE_ADDR +
+				     USBCTRL_OTGBASE_OFFSET));
+
+		switch (port) {
+		case 0:	/* OTG port */
+			v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT);
+			v |= (flags & MXC_EHCI_INTERFACE_MASK)
+					<< MX31_OTG_SIC_SHIFT;
+			if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+				v |= MX31_OTG_PM_BIT;
+
+			break;
+		case 1: /* H1 port */
+			v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT);
+			v |= (flags & MXC_EHCI_INTERFACE_MASK)
+						<< MX31_H1_SIC_SHIFT;
+			if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+				v |= MX31_H1_PM_BIT;
+
+			if (!(flags & MXC_EHCI_TTL_ENABLED))
+				v |= MX31_H1_DT_BIT;
+
+			break;
+		case 2:	/* H2 port */
+			v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT);
+			v |= (flags & MXC_EHCI_INTERFACE_MASK)
+						<< MX31_H2_SIC_SHIFT;
+			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+				v |= MX31_H2_PM_BIT;
+
+			if (!(flags & MXC_EHCI_TTL_ENABLED))
+				v |= MX31_H2_DT_BIT;
+
+			break;
+		}
+
+		writel(v, IO_ADDRESS(MX31_OTG_BASE_ADDR +
+				     USBCTRL_OTGBASE_OFFSET));
+		return 0;
+	}
+
+	printk(KERN_WARNING
+		"%s() unable to setup USBCONTROL for this CPU\n", __func__);
+	return -EINVAL;
+}
+EXPORT_SYMBOL(mxc_set_usbcontrol);
+
diff --git a/arch/arm/plat-mxc/include/mach/mxc_ehci.h b/arch/arm/plat-mxc/include/mach/mxc_ehci.h
new file mode 100644
index 000000000000..8f796239393e
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mxc_ehci.h
@@ -0,0 +1,37 @@
+#ifndef __INCLUDE_ASM_ARCH_MXC_EHCI_H
+#define __INCLUDE_ASM_ARCH_MXC_EHCI_H
+
+/* values for portsc field */
+#define MXC_EHCI_PHY_LOW_POWER_SUSPEND	(1 << 23)
+#define MXC_EHCI_FORCE_FS		(1 << 24)
+#define MXC_EHCI_UTMI_8BIT		(0 << 28)
+#define MXC_EHCI_UTMI_16BIT		(1 << 28)
+#define MXC_EHCI_SERIAL			(1 << 29)
+#define MXC_EHCI_MODE_UTMI		(0 << 30)
+#define MXC_EHCI_MODE_PHILIPS		(1 << 30)
+#define MXC_EHCI_MODE_ULPI		(2 << 30)
+#define MXC_EHCI_MODE_SERIAL		(3 << 30)
+
+/* values for flags field */
+#define MXC_EHCI_INTERFACE_DIFF_UNI	(0 << 0)
+#define MXC_EHCI_INTERFACE_DIFF_BI	(1 << 0)
+#define MXC_EHCI_INTERFACE_SINGLE_UNI	(2 << 0)
+#define MXC_EHCI_INTERFACE_SINGLE_BI	(3 << 0)
+#define MXC_EHCI_INTERFACE_MASK		(0xf)
+
+#define MXC_EHCI_POWER_PINS_ENABLED	(1 << 5)
+#define MXC_EHCI_TTL_ENABLED		(1 << 6)
+
+struct mxc_usbh_platform_data {
+	int (*init)(struct platform_device *pdev);
+	int (*exit)(struct platform_device *pdev);
+
+	unsigned int		 portsc;
+	unsigned int		 flags;
+	struct otg_transceiver	*otg;
+};
+
+int mxc_set_usbcontrol(int port, unsigned int flags);
+
+#endif /* __INCLUDE_ASM_ARCH_MXC_EHCI_H */
+
diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h
index 33a500eb2f93..a33c69045959 100644
--- a/arch/arm/plat-omap/include/plat/usb.h
+++ b/arch/arm/plat-omap/include/plat/usb.h
@@ -20,6 +20,21 @@ struct ehci_hcd_omap_platform_data {
 	int	reset_gpio_port[OMAP3_HS_USB_PORTS];
 };
 
+#define OMAP3_HS_USB_PORTS	3
+enum ehci_hcd_omap_mode {
+	EHCI_HCD_OMAP_MODE_UNKNOWN,
+	EHCI_HCD_OMAP_MODE_PHY,
+	EHCI_HCD_OMAP_MODE_TLL,
+};
+
+struct ehci_hcd_omap_platform_data {
+	enum ehci_hcd_omap_mode		port_mode[OMAP3_HS_USB_PORTS];
+	unsigned			phy_reset:1;
+
+	/* have to be valid if phy_reset is true and portx is in phy mode */
+	int	reset_gpio_port[OMAP3_HS_USB_PORTS];
+};
+
 /*-------------------------------------------------------------------------*/
 
 #define OMAP1_OTG_BASE			0xfffb0400