---

yaml --- r: 198472 b: refs/heads/master c: d6b273b h: refs/heads/master v: v3
git-mirror · May 18, 2010 · 91f3684 · 91f3684
1 parent 31fd269
commit 91f3684
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Showing 3 changed files with 14 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4a870fc898db90033585cef35d89cf931e189fa4
+refs/heads/master: d6b273bfdfd3667387f2516c4a3602b691535ee3
diff --git a/trunk/arch/arm/mach-mx5/board-mx51_babbage.c b/trunk/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -33,6 +33,7 @@
 
 #define BABBAGE_USB_HUB_RESET	(0*32 + 7)	/* GPIO_1_7 */
 #define BABBAGE_USBH1_STP	(0*32 + 27)	/* GPIO_1_27 */
+#define BABBAGE_PHY_RESET (1*32 +5)	/* GPIO_2_5 */
 
 /* USB_CTRL_1 */
 #define MX51_USB_CTRL_1_OFFSET			0x10
@@ -101,6 +102,7 @@ static inline void mxc_init_imx_uart(void)
 static int gpio_usbh1_active(void)
 {
 	struct pad_desc usbh1stp_gpio = MX51_PAD_USBH1_STP__GPIO_1_27;
+	struct pad_desc phyreset_gpio = MX51_PAD_EIM_D21__GPIO_2_5;
 	int ret;
 
 	/* Set USBH1_STP to GPIO and toggle it */
@@ -115,6 +117,16 @@ static int gpio_usbh1_active(void)
 	gpio_set_value(BABBAGE_USBH1_STP, 1);
 	msleep(100);
 	gpio_free(BABBAGE_USBH1_STP);
+
+	/* De-assert USB PHY RESETB */
+	mxc_iomux_v3_setup_pad(&phyreset_gpio);
+	ret = gpio_request(BABBAGE_PHY_RESET, "phy_reset");
+
+	if (ret) {
+		pr_debug("failed to get MX51_PAD_EIM_D21__GPIO_2_5: %d\n", ret);
+		return ret;
+	}
+	gpio_direction_output(BABBAGE_PHY_RESET, 1);
 	return 0;
 }
 

diff --git a/trunk/arch/arm/plat-mxc/include/mach/iomux-mx51.h b/trunk/arch/arm/plat-mxc/include/mach/iomux-mx51.h
@@ -63,6 +63,7 @@ typedef enum iomux_config {
 #define MX51_PAD_GPIO_2_3__EIM_D19	IOMUX_PAD(0x3fc, 0x068, 1, 0x0,   0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_2_4__EIM_D20	IOMUX_PAD(0x400, 0x06c, 1, 0x0,   0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_2_5__EIM_D21	IOMUX_PAD(0x404, 0x070, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_D21__GPIO_2_5	IOMUX_PAD(0x404, 0x070, IOMUX_CONFIG_ALT1, 0x0,   0, MX51_GPIO_PAD_CTRL)
 #define MX51_PAD_GPIO_2_6__EIM_D22	IOMUX_PAD(0x408, 0x074, 1, 0x0,   0, NO_PAD_CTRL)
 #define MX51_PAD_GPIO_2_7__EIM_D23	IOMUX_PAD(0x40c, 0x078, 1, 0x0,   0, NO_PAD_CTRL)