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From:   Michael Riesch <michael.riesch@wolfvision.net>
To:     devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Heiko Stuebner <heiko@sntech.de>,
        Michael Riesch <michael.riesch@wolfvision.net>
Subject: [PATCH 2/3] arm64: dts: rockchip: add vcc_mipi regulator to rock-3a
Date:   Tue, 12 Jul 2022 15:32:03 +0200
Message-Id: <20220712133204.2524942-2-michael.riesch@wolfvision.net>
In-Reply-To: <20220712133204.2524942-1-michael.riesch@wolfvision.net>
References: <20220712133204.2524942-1-michael.riesch@wolfvision.net>
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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>
---
 .../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