From: Ondrej Jirman <megous@xxxxxxxxxx>
Xulong Orange Pi One uses GPIO based regulator that
switches between two voltages: 1.1V and 1.3V. The
regulator is controlled from the PL6 pin.
Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>
---
v2
- add missing pinctrl-names for gpio-regulator
---
arch/arm/boot/dts/sun8i-h3-orangepi-one.dts | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
index 0adf932..b1bd6b0 100644
--- a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
@@ -88,6 +88,25 @@
gpios = <&r_pio 0 3 GPIO_ACTIVE_LOW>;
};
};
+
+ vdd_soc: gpio-regulator {
+ compatible = "regulator-gpio";
+ pinctrl-names = "default";
+ pinctrl-0 = <&vdd_reg_r_opc>;
+
+ regulator-name = "soc-vdd-supply";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1300000>;
+ regulator-boot-on;
+ regulator-type = "voltage";
+
+ gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>;
+ states = <1100000 0x0
+ 1300000 0x1>;
+
+ startup-delay-us = <100000>;
+ enable-active-high;
+ };
};
&ehci1 {
@@ -131,6 +150,13 @@
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
+
+ vdd_reg_r_opc: regulator_pins@0 {
+ allwinner,pins = "PL6";
+ allwinner,function = "gpio_out";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
};
&uart0 {
--
2.9.0
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