The Radxa ROCK3 Model A features a voltage regulator that provides
a 3V3 supply to the MIPI DSI connector. Add this regulator to the
device tree of the board.
Signed-off-by: Michael Riesch <michael.riesch@xxxxxxxxxxxxxx>
---
.../boot/dts/rockchip/rk3568-rock-3a.dts | 22 +++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index 821f9b96914b..33581a36c9c3 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -147,6 +147,22 @@ regulator-state-mem {
regulator-off-in-suspend;
};
};
+
+ vcc_mipi: vcc-mipi {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio3 RK_PC0 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc_mipi_en>;
+ regulator-name = "vcc_mipi";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc3v3_sys>;
+
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
+ };
};
&combphy0 {
@@ -476,6 +492,12 @@ vcc_cam_en: vcc_cam_en {
};
};
+ display {
+ vcc_mipi_en: vcc_mipi_en {
+ rockchip,pins = <3 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
ethernet {
eth_phy_rst: eth_phy_rst {
rockchip,pins = <3 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
--
2.30.2
