[PATCH] ARM: ccmx51js: Add support for USB Host1

Alexander Shiyan shc_work at mail.ru
Mon May 6 02:44:29 EDT 2013


Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
---
 arch/arm/boards/ccxmx51/ccxmx51js.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/boards/ccxmx51/ccxmx51js.c b/arch/arm/boards/ccxmx51/ccxmx51js.c
index 8c1d2dc..ae31caf 100644
--- a/arch/arm/boards/ccxmx51/ccxmx51js.c
+++ b/arch/arm/boards/ccxmx51/ccxmx51js.c
@@ -20,6 +20,8 @@
 #include <init.h>
 #include <mci.h>
 #include <asm/armlinux.h>
+#include <mach/gpio.h>
+#include <mach/generic.h>
 #include <mach/imx51-regs.h>
 #include <mach/iomux-mx51.h>
 #include <mach/devices-imx51.h>
@@ -27,6 +29,8 @@
 
 #include "ccxmx51.h"
 
+#define CCXMX51JS_USBHOST1_RESET	IMX_GPIO_NR(3, 8)
+
 static iomux_v3_cfg_t ccxmx51js_pads[] = {
 	/* SD1 */
 	MX51_PAD_SD1_CLK__SD1_CLK,
@@ -74,6 +78,11 @@ static struct esdhc_platform_data sdhc3_pdata = {
 	.caps		= MMC_MODE_4BIT | MMC_MODE_8BIT,
 };
 
+static struct imxusb_platformdata ccxmx51js_usbhost1_pdata = {
+	.flags	= MXC_EHCI_MODE_ULPI | MXC_EHCI_ITC_NO_THRESHOLD,
+	.mode	= IMX_USB_MODE_HOST,
+};
+
 static int ccxmx51js_init(void)
 {
 	mxc_iomux_v3_setup_multiple_pads(ccxmx51js_pads, ARRAY_SIZE(ccxmx51js_pads));
@@ -83,6 +92,12 @@ static int ccxmx51js_init(void)
 		imx51_add_mmc2(&sdhc3_pdata);
 	}
 
+	gpio_direction_output(CCXMX51JS_USBHOST1_RESET, 0);
+	mdelay(10);
+	gpio_set_value(CCXMX51JS_USBHOST1_RESET, 1);
+	mdelay(10);
+	imx51_add_usbh1(&ccxmx51js_usbhost1_pdata);
+
 	armlinux_set_architecture(ccxmx51_id->wless ? MACH_TYPE_CCWMX51JS : MACH_TYPE_CCMX51JS);
 
 	return 0;
-- 
1.8.1.5




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