ARM: dts: sun8i-h2-plus-bananapi-m2-zero: add regulator nodes vcc-dram and vcc1v2

Add regulator nodes vcc-dram and vcc1v2 to the devicetree. These
regulators correspond to U4 and U5 in the schematics:

http://forum.banana-pi.org/t/bpi-m2-zero-schematic-diagram-public/4111

Signed-off-by: Michael Klein <michael@fossekall.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201130183841.136708-1-michael@fossekall.de

diff --git a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
index e76d56a..b43028f 100644 (file)
--- a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
+++ b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
@@ -62,6 +62,30 @@
                states = <1100000 0>, <1300000 1>;
        };
 
+       reg_vcc_dram: vcc-dram {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc-dram";
+               regulator-min-microvolt = <1500000>;
+               regulator-max-microvolt = <1500000>;
+               regulator-always-on;
+               regulator-boot-on;
+               enable-active-high;
+               gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
+               vin-supply = <&reg_vcc5v0>;
+       };
+
+       reg_vcc1v2: vcc1v2 {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc1v2";
+               regulator-min-microvolt = <1200000>;
+               regulator-max-microvolt = <1200000>;
+               regulator-always-on;
+               regulator-boot-on;
+               enable-active-high;
+               gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
+               vin-supply = <&reg_vcc5v0>;
+       };
+
        wifi_pwrseq: wifi_pwrseq {
                compatible = "mmc-pwrseq-simple";
                reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */