[PATCH 2/7] enable usb1 phy power supply
From: Tony Lin <hidden>
Date: 2011-07-20 11:08:21
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
configure usb1 phy power enable gpio and enable usb1 phy power Signed-off-by: Tony Lin <redacted> --- arch/arm/mach-mxs/mach-mx28evk.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index eaaf6ff..6934867 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c@@ -34,6 +34,7 @@ #define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18) #define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30) #define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13) +#define MX28EVK_USB1_PWR_EN MXS_GPIO_NR(3, 8) #define MX28EVK_MMC0_WRITE_PROTECT MXS_GPIO_NR(2, 12) #define MX28EVK_MMC1_WRITE_PROTECT MXS_GPIO_NR(0, 28)
@@ -183,6 +184,8 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = { /* led */ MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL, + /* usb1 */ + MX28_PAD_AUART2_RX__GPIO_3_8 | MXS_PAD_CTRL, }; /* led */
@@ -405,6 +408,12 @@ static void __init mx28evk_init(void) pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret); mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]); + ret = gpio_request_one(MX28EVK_USB1_PWR_EN, GPIOF_DIR_OUT, + "usb1-power-en"); + if (ret) + pr_warn("failed to request gpio usb1-power-en %d\n", ret); + else + gpio_set_value(MX28EVK_USB1_PWR_EN, 1); gpio_led_register_device(0, &mx28evk_led_data); }
--
1.7.0.4