From 7a3eabdcd0fdc344d31b18e78e4f4b5d94db8df5 Mon Sep 17 00:00:00 2001 From: Michael Riesch Date: Tue, 12 Jul 2022 15:32:03 +0200 Subject: 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 Link: https://lore.kernel.org/r/20220712133204.2524942-2-michael.riesch@wolfvision.net Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'arch') diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts index a848a2a2ab68..e883afa83617 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>; -- cgit v1.2.3