Patchwork [v4,4/7] ARM: mxs: enable usb phy power supply

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Submitter Tony Lin
Date Aug. 2, 2011, 8:39 a.m.
Message ID <1312274386-6833-5-git-send-email-tony.lin@freescale.com>
Download mbox | patch
Permalink /patch/107858/
State New
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Tony Lin - Aug. 2, 2011, 8:39 a.m.
configure usb1 phy power enable gpio and enable usb1 phy power

Signed-off-by: Tony Lin <tony.lin@freescale.com>
---
 arch/arm/mach-mxs/mach-mx28evk.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

Patch

diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index eaaf6ff..680d6e4 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -1,5 +1,5 @@ 
 /*
- * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -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 +408,10 @@  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_OUT_INIT_HIGH,
+			       "usb1-power-en");
+	if (ret)
+		pr_warn("failed to request gpio usb1-power-en %d\n", ret);
 	gpio_led_register_device(0, &mx28evk_led_data);
 }