[U-Boot] [PATCH 4/4] rk3036: enable the vbus regulator when borad_init

Kever Yang kever.yang at rock-chips.com
Tue Nov 8 11:13:42 CET 2016


enable the vbus for usb host in board_init().

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

 arch/arm/mach-rockchip/rk3036-board.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/mach-rockchip/rk3036-board.c b/arch/arm/mach-rockchip/rk3036-board.c
index bf2b268..90d3d33 100644
--- a/arch/arm/mach-rockchip/rk3036-board.c
+++ b/arch/arm/mach-rockchip/rk3036-board.c
@@ -16,6 +16,7 @@
 #include <asm/arch/sdram_rk3036.h>
 #include <asm/gpio.h>
 #include <dm/pinctrl.h>
+#include <power/regulator.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -57,7 +58,26 @@ int board_late_init(void)
 
 int board_init(void)
 {
+	int ret;
+	struct udevice *regulator;
+
+	ret = regulator_get_by_platname("vcc5v0_host", &regulator);
+	if (ret) {
+		printf("%s vcc5v0_host init fail! ret %d\n", __func__, ret);
+		goto out;
+	}
+
+	ret = regulator_set_enable(regulator, true);
+	if (ret) {
+		printf("%s vcc5v0-host enable fail!\n", __func__);
+		goto out;
+	}
+
 	return 0;
+out:
+	printf("%s board ini error %x\n", __func__, ret);
+
+	return ret;
 }
 
 int dram_init(void)
-- 
1.9.1



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