[PATCH 2/7] enable usb1 phy power supply
From: s.hauer@pengutronix.de (Sascha Hauer)
Date: 2011-07-20 19:08:40
On Wed, Jul 20, 2011 at 07:08:21PM +0800, Tony Lin wrote:
configure usb1 phy power enable gpio and enable usb1 phy power
You should add the architecture and board name to the subject so that it's clear what this patch is about. Sascha
quoted hunk ↗ jump to hunk
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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel at lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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