arm64: dts: rockchip: add SARADC to rock-5a

Enable ADC support for Rock 5A, which has the following ADC channels:

Channel 0 = Boot Mode Config
Channel 1 = Recovery Key
Channel 2 = PWM Fan
Channel 3 = Headphone Hook
Channel 4 = System Input Voltage
Channel 5 = Board ID Config

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230710165228.105983-13-sebastian.reichel@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
index 956b27a..deb87b9 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
@@ -286,6 +286,11 @@
        };
 };
 
+&saradc {
+       vref-supply = <&avcc_1v8_s0>;
+       status = "okay";
+};
+
 &sdhci {
        bus-width = <8>;
        no-sdio;