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authorNeil Armstrong <narmstrong@baylibre.com>2021-06-07 08:54:33 +0200
committerNeil Armstrong <narmstrong@baylibre.com>2021-06-14 09:57:45 +0200
commit164147f094ec5d0fc2c2098a888f4b50cf3096a7 (patch)
tree1e6fb7b4a6a2df8246f811699b8d19d4d3dd15d6
parent703e84d6615a4a95fb504c8f2e4c9426b86f3930 (diff)
arm64: dts: meson-sm1-odroid-hc4: add regulators controlled by GPIOH_8
As described in the HC4 schematics, GPIOH_8 controls the USB 5V and 12V regulators used to power the SATA drives. And is set as Open Drain since this GPIO doesn't support Push-Pull. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Link: https://lore.kernel.org/r/20210607065435.577334-6-narmstrong@baylibre.com
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
index 0a34b658f994..fdad6b994c88 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
@@ -44,6 +44,32 @@
};
};
+ /* Powers the SATA Disk 0 regulator, which is enabled when a disk load is detected */
+ p12v_0: regulator-p12v_0 {
+ compatible = "regulator-fixed";
+ regulator-name = "P12V_0";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ vin-supply = <&main_12v>;
+
+ gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
+ /* Powers the SATA Disk 1 regulator, which is enabled when a disk load is detected */
+ p12v_1: regulator-p12v_1 {
+ compatible = "regulator-fixed";
+ regulator-name = "P12V_1";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ vin-supply = <&main_12v>;
+
+ gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
sound {
model = "ODROID-HC4";
};