From d0d5938a3f8a524a884c460c5870c0c966daf152 Mon Sep 17 00:00:00 2001
From: jamess_huang <Jamess_Huang@asus.com>
Date: Fri, 11 Aug 2017 18:10:22 +0800
Subject: [PATCH 18/50] pmic: enable LDO2 vcc33_mipi at bootup

power up camera module to prevent i2c-2 SDA pulled low

Change-Id: I199bef9c8aa4385dbda33117e2ca0c64dc7a13d4
---
 board/rockchip/tinker_rk3288/tinker-rk3288.c | 38 ++++++++++++++++++++
 1 file changed, 38 insertions(+)
 mode change 100644 => 100755 board/rockchip/tinker_rk3288/tinker-rk3288.c

diff --git a/board/rockchip/tinker_rk3288/tinker-rk3288.c b/board/rockchip/tinker_rk3288/tinker-rk3288.c
index c2872e7330..5618bd9923 100644
--- a/board/rockchip/tinker_rk3288/tinker-rk3288.c
+++ b/board/rockchip/tinker_rk3288/tinker-rk3288.c
@@ -8,6 +8,8 @@
 #include <dm.h>
 #include <i2c_eeprom.h>
 #include <netdev.h>
+#include <power/regulator.h>
+

 static int get_ethaddr_from_eeprom(u8 *addr)
 {
@@ -33,3 +35,39 @@ int rk_board_late_init(void)

 	return 0;
 }
+
+
+#ifdef CONFIG_DM_PMIC
+static int rockchip_set_regulator_on(const char *name, uint uv)
+{
+	struct udevice *dev;
+	int ret;
+
+	ret = regulator_get_by_platname(name, &dev);
+	if (ret) {
+		debug("%s: Cannot find regulator %s\n", __func__, name);
+		return ret;
+	}
+	ret = regulator_set_value(dev, uv);
+	if (ret) {
+		debug("%s: Cannot set regulator %s\n", __func__, name);
+		return ret;
+	}
+	ret = regulator_set_enable(dev, 1);
+	if (ret) {
+		debug("%s: Cannot enable regulator %s\n", __func__, name);
+		return ret;
+	}
+
+	return 0;
+}
+
+int power_init_board(void)
+{
+	int ret = rockchip_set_regulator_on("vcc33_mipi", 3300000);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+#endif
\ No newline at end of file
--
2.17.1