arm64: dts: rockchip: define iodomains for rk3368-lion

This is not strictly needed, as 3.3V is the default,
but good to have for descriptive purposes nevertheless.

Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
[fixed ordering]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20210922230429.2162535-2-heiko@sntech.de

diff --git a/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi b/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi
index 6622f11..8e82ca3 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368-lion.dtsi
@@ -273,6 +273,18 @@
        status = "okay";
 };
 
+/* The RK3368-uQ7 "Lion" has most IO voltages hardwired to 3.3V. */
+&io_domains {
+       audio-supply = <&vcc33_io>;
+       dvp-supply = <&vcc33_io>;
+       flash0-supply = <&vcc_18>;
+       gpio30-supply = <&vcc33_io>;
+       gpio1830-supply = <&vcc33_io>;
+       sdcard-supply = <&vcc33_io>;
+       wifi-supply = <&vcc33_io>;
+       status = "okay";
+};
+
 &pinctrl {
        leds {
                module_led_pins: module-led-pins {
@@ -292,6 +304,12 @@
        };
 };
 
+&pmu_io_domains {
+       pmu-supply = <&vcc33_io>;
+       vop-supply = <&vcc33_io>;
+       status = "okay";
+};
+
 &spi1 {
        status = "okay";