From e2936393fd0d5e06cf9cd2ed318f0b4037ca9de0 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Fri, 23 Mar 2012 16:23:50 +0100 Subject: ARM i.MX53 LOCO: Add USB support Signed-off-by: Sascha Hauer --- arch/arm/boards/freescale-mx53-loco/board.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'arch') diff --git a/arch/arm/boards/freescale-mx53-loco/board.c b/arch/arm/boards/freescale-mx53-loco/board.c index 6ae597adad..78e8f9ad4c 100644 --- a/arch/arm/boards/freescale-mx53-loco/board.c +++ b/arch/arm/boards/freescale-mx53-loco/board.c @@ -95,6 +95,8 @@ static struct pad_desc loco_pads[] = { /* I2C0 */ MX53_PAD_CSI0_DAT8__I2C1_SDA, MX53_PAD_CSI0_DAT9__I2C1_SCL, + + MX53_PAD_PATA_DA_2__GPIO7_8, }; static struct i2c_board_info i2c_devices[] = { @@ -149,6 +151,7 @@ static void loco_fec_reset(void) #define LOCO_SD3_CD IMX_GPIO_NR(3, 11) #define LOCO_SD3_WP IMX_GPIO_NR(3, 12) #define LOCO_SD1_CD IMX_GPIO_NR(3, 13) +#define MX53_LOCO_USB_PWREN IMX_GPIO_NR(7, 8) static struct esdhc_platform_data loco_sd1_data = { .cd_gpio = LOCO_SD1_CD, @@ -163,8 +166,19 @@ static struct esdhc_platform_data loco_sd3_data = { .wp_type = ESDHC_WP_GPIO, }; +static void loco_ehci_init(void) +{ + /* USB PWR enable */ + gpio_direction_output(MX53_LOCO_USB_PWREN, 0); + gpio_set_value(MX53_LOCO_USB_PWREN, 1); + + writel(0, MX53_OTG_BASE_ADDR + 0x384); /* setup portsc */ + add_generic_usb_ehci_device(1, MX53_OTG_BASE_ADDR + 0x200, NULL); +} + static int loco_devices_init(void) { + imx53_iim_register_fec_ethaddr(); imx53_add_fec(&fec_info); imx53_add_mmc0(&loco_sd1_data); @@ -172,6 +186,9 @@ static int loco_devices_init(void) i2c_register_board_info(0, i2c_devices, ARRAY_SIZE(i2c_devices)); imx53_add_i2c0(NULL); + if (IS_ENABLED(CONFIG_USB_EHCI)) + loco_ehci_init(); + loco_fec_reset(); set_silicon_rev(imx_silicon_revision()); -- cgit v1.2.3