71 lines
1.7 KiB
Diff
71 lines
1.7 KiB
Diff
From d0d5938a3f8a524a884c460c5870c0c966daf152 Mon Sep 17 00:00:00 2001
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From: jamess_huang <Jamess_Huang@asus.com>
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Date: Fri, 11 Aug 2017 18:10:22 +0800
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Subject: [PATCH 18/50] pmic: enable LDO2 vcc33_mipi at bootup
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power up camera module to prevent i2c-2 SDA pulled low
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Change-Id: I199bef9c8aa4385dbda33117e2ca0c64dc7a13d4
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---
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board/rockchip/tinker_rk3288/tinker-rk3288.c | 38 ++++++++++++++++++++
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1 file changed, 38 insertions(+)
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mode change 100644 => 100755 board/rockchip/tinker_rk3288/tinker-rk3288.c
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diff --git a/board/rockchip/tinker_rk3288/tinker-rk3288.c b/board/rockchip/tinker_rk3288/tinker-rk3288.c
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index c2872e7330..5618bd9923 100644
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--- a/board/rockchip/tinker_rk3288/tinker-rk3288.c
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+++ b/board/rockchip/tinker_rk3288/tinker-rk3288.c
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@@ -8,6 +8,8 @@
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#include <dm.h>
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#include <i2c_eeprom.h>
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#include <netdev.h>
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+#include <power/regulator.h>
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+
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static int get_ethaddr_from_eeprom(u8 *addr)
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{
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@@ -33,3 +35,39 @@ int rk_board_late_init(void)
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return 0;
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}
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+
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+
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+#ifdef CONFIG_DM_PMIC
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+static int rockchip_set_regulator_on(const char *name, uint uv)
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+{
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+ struct udevice *dev;
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+ int ret;
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+
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+ ret = regulator_get_by_platname(name, &dev);
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+ if (ret) {
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+ debug("%s: Cannot find regulator %s\n", __func__, name);
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+ return ret;
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+ }
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+ ret = regulator_set_value(dev, uv);
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+ if (ret) {
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+ debug("%s: Cannot set regulator %s\n", __func__, name);
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+ return ret;
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+ }
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+ ret = regulator_set_enable(dev, 1);
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+ if (ret) {
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+ debug("%s: Cannot enable regulator %s\n", __func__, name);
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+ return ret;
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+ }
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+
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+ return 0;
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+}
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+
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+int power_init_board(void)
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+{
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+ int ret = rockchip_set_regulator_on("vcc33_mipi", 3300000);
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+ if (ret)
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+ return ret;
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+
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+ return 0;
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+}
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+#endif
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\ No newline at end of file
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--
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2.17.1
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