From: Michael Riesch <michael.riesch@wolfvision.net>
Date: Tue, 12 Jul 2022 13:32:03 +0000 (+0200)
Subject: arm64: dts: rockchip: add vcc_mipi regulator to rock-3a
X-Git-Tag: v6.1-rc1~154^2~27^2~26
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7a3eabdcd0fdc344d31b18e78e4f4b5d94db8df5;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: rockchip: add vcc_mipi regulator to rock-3a

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@wolfvision.net>
Link: https://lore.kernel.org/r/20220712133204.2524942-2-michael.riesch@wolfvision.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index a848a2a2ab68f..e883afa83617a 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-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 {
@@ -484,6 +500,12 @@
 		};
 	};
 
+	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>;