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

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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>
Link: https://lore.kernel.org/r/20220712133204.2524942-2-michael.riesch@wolfvision.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Michael Riesch
2022-07-12 15:32:03 +02:00
committed by Heiko Stuebner
parent 2fd8bd0058
commit 7a3eabdcd0
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
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@@ -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>;