[PATCH 2/7] enable usb1 phy power supply
Tony Lin
tony.lin at freescale.com
Wed Jul 20 07:08:21 EDT 2011
configure usb1 phy power enable gpio and enable usb1 phy power
Signed-off-by: Tony Lin <tony.lin at freescale.com>
---
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
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