From 6aa85a5ae610106d89e50c7e1f760c56d12f9bc4 Mon Sep 17 00:00:00 2001 From: Keshava Munegowda Date: Sun, 21 Nov 2010 23:23:42 +0530 Subject: [PATCH] omap4: 4430sdp: enable the ehci port on 4430SDP The OMAP4 SDP has an SMSC3320 PHY hooked up to EHCI on Port1. The PHY power is controlled by GPIO 157. Turn on the PHY power, and register the controller at init. Signed-off-by: Keshava Munegowda Signed-off-by: Anand Gadiyar Acked-by: Tony Lindgren --- arch/arm/mach-omap2/board-4430sdp.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index df5a425a49d1..d7cb9680b4fa 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -42,6 +42,7 @@ #define ETH_KS8851_IRQ 34 #define ETH_KS8851_POWER_ON 48 #define ETH_KS8851_QUART 138 +#define OMAP4SDP_MDM_PWR_EN_GPIO 157 #define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO 184 #define OMAP4_SFH7741_ENABLE_GPIO 188 @@ -225,6 +226,16 @@ static void __init omap_4430sdp_init_irq(void) omap_gpio_init(); } +static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { + .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, + .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .phy_reset = false, + .reset_gpio_port[0] = -EINVAL, + .reset_gpio_port[1] = -EINVAL, + .reset_gpio_port[2] = -EINVAL, +}; + static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_UTMI, .mode = MUSB_PERIPHERAL, @@ -514,6 +525,15 @@ static void __init omap_4430sdp_init(void) platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices)); omap_serial_init(); omap4_twl6030_hsmmc_init(mmc); + + /* Power on the ULPI PHY */ + if (gpio_is_valid(OMAP4SDP_MDM_PWR_EN_GPIO)) { + /* FIXME: Assumes pad is already muxed for GPIO mode */ + gpio_request(OMAP4SDP_MDM_PWR_EN_GPIO, "USBB1 PHY VMDM_3V3"); + gpio_direction_output(OMAP4SDP_MDM_PWR_EN_GPIO, 1); + } + usb_ehci_init(&ehci_pdata); + /* OMAP4 SDP uses internal transceiver so register nop transceiver */ usb_nop_xceiv_register(); /* FIXME: allow multi-omap to boot until musb is updated for omap4 */ -- 2.30.2