Skip to contentSkip to conversation

SMDK5250: Enable VBus for USB 2.0 controller

PATCH Superseded Vivek Gautam 3 participants 4 messages Jan 3, 2013 – Jan 8, 2013

v2 of 4 Superseded Latest is v4 →

lore
Share & tools
lore
#0 lore raw

PATCH v2 1/1 SMDK5250: Enable VBus for USB 2.0 controller

This patch enables Vbus required for USB 2.0 controller.

---

Changes from v1:
- Using the old school method of setting up gpio instead of using the pinmux method, since the required gpio line here is board specific.

 board/samsung/smdk5250/smdk5250.c |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)
board/samsung/smdk5250/smdk5250.c +17 -0
index 268b42c..fad58f3 100644
@@ -35,12 +35,29 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+int board_usb_vbus_init(void)
+{
+	struct exynos5_gpio_part1 *gpio1 = (struct exynos5_gpio_part1 *)
+						samsung_get_base_gpio_part1();
+
+	/* Enable VBUS power switch */
+	s5p_gpio_direction_output(&gpio1->x2, 6, 1);
+
+	/* VBUS turn ON time */
+	mdelay(3);
+
+	return 0;
+}
+
 int board_init(void)
 {
 	gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
 #ifdef CONFIG_EXYNOS_SPI
 	spi_init();
 #endif
+#ifdef CONFIG_USB_EHCI_EXYNOS
+	board_usb_vbus_init();
+#endif
 	return 0;
 }
 
Signature · 1 line
1.7.6.5
#2 lore raw

PATCH v2 1/1 SMDK5250: Enable VBus for USB 2.0 controller

Hi Marek,

CCing: Simon Glass

Quoted 10 lines · Marek Vasut

Dear Vivek Gautam,

Quoted 5 lines

This patch enables Vbus required for USB 2.0 controller.

---

Can you please rebase on top of u-boot-usb/next ?

Since these changes were related to samsung so i based them on u-boot-samsung. :-)
I shall post a patch rebased on top of u-boot-usb/next.

Signature · 2 lines
Thanks & Regards
Vivek
#3 lore raw

PATCH v2 1/1 SMDK5250: Enable VBus for USB 2.0 controller

Dear Vivek Gautam,

Quoted 14 lines

Hi Marek,

CCing: Simon Glass

Quoted 8 lines · Marek Vasut

Dear Vivek Gautam,

Quoted 5 lines

This patch enables Vbus required for USB 2.0 controller.

---

Quoted 5 lines
Quoted 1 line

Can you please rebase on top of u-boot-usb/next ?

Since these changes were related to samsung so i based them on u-boot-samsung. :-)
I shall post a patch rebased on top of u-boot-usb/next.

Oh, I'll pick this for -next.

Best regards,
Marek Vasut