arm64: dts: meson-axg: improve power supplies description

Add the parent supply of the s400 power supplies.
Also add 'regulator-always-on' property on the regulators which can't
be disabled

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
index 9189a5778d76f3a605f9680911706037e2ac9438..093380cd6782596e499b0f446d170da91cf25330 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
@@ -65,6 +65,7 @@ main_12v: regulator-main_12v {
                regulator-name = "12V";
                regulator-min-microvolt = <12000000>;
                regulator-max-microvolt = <12000000>;
+               regulator-always-on;
        };
 
        vddio_boot: regulator-vddio_boot {
@@ -72,6 +73,8 @@ vddio_boot: regulator-vddio_boot {
                regulator-name = "VDDIO_BOOT";
                regulator-min-microvolt = <1800000>;
                regulator-max-microvolt = <1800000>;
+               vin-supply = <&vddao_3v3>;
+               regulator-always-on;
        };
 
        vddao_3v3: regulator-vddao_3v3 {
@@ -79,6 +82,8 @@ vddao_3v3: regulator-vddao_3v3 {
                regulator-name = "VDDAO_3V3";
                regulator-min-microvolt = <3300000>;
                regulator-max-microvolt = <3300000>;
+               vin-supply = <&main_12v>;
+               regulator-always-on;
        };
 
        vddio_ao18: regulator-vddio_ao18 {
@@ -86,6 +91,8 @@ vddio_ao18: regulator-vddio_ao18 {
                regulator-name = "VDDIO_AO18";
                regulator-min-microvolt = <1800000>;
                regulator-max-microvolt = <1800000>;
+               vin-supply = <&vddao_3v3>;
+               regulator-always-on;
        };
 
        vcc_3v3: regulator-vcc_3v3 {
@@ -93,6 +100,8 @@ vcc_3v3: regulator-vcc_3v3 {
                regulator-name = "VCC_3V3";
                regulator-min-microvolt = <3300000>;
                regulator-max-microvolt = <3300000>;
+               vin-supply = <&vddao_3v3>;
+               regulator-always-on;
        };
 
        emmc_pwrseq: emmc-pwrseq {