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arm64: dts: meson-sm1-odroid-hc4: add regulators controlled by GPIOH_8

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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
This commit is contained in:
Neil Armstrong 2021-06-07 08:54:33 +02:00
parent 703e84d661
commit 164147f094
1 changed files with 26 additions and 0 deletions
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26
arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
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@ -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";
};