Messages in this thread Patch in this message |  | | From | Icenowy Zheng <> | Subject | [PATCH 5/5] ARM: sun8i: h2+: add SY8113B regulator used by Orange Pi Zero board | Date | Sun, 9 Apr 2017 02:50:25 +0800 |
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Orange Pi Zero board has a SY8113B regulator, which is controlled via GPIO and capable of outputing 1.1V when the PL6 GPIO is set to output 0 or 1.3V when the PL6 GPIO is set to input or output 1, and the output is the power supply of the ARM cores in H2+ SoC.
Add the device tree node of this regulator and set the cpu's cpu-supply property to it.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io> --- arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts index 9e8b082c134f..8f6acca7d12d 100644 --- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts +++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts @@ -93,6 +93,27 @@ reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; post-power-on-delay-ms = <200>; }; + + reg_sy8113b: gpio-regulator { + compatible = "regulator-gpio"; + + regulator-name = "vdd-cpux"; + regulator-type = "voltage"; + regulator-boot-on; + regulator-always-on; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1300000>; + regulator-ramp-delay = <50>; /* 4ms */ + + gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */ + gpios-states = <0x1>; + states = <1100000 0x0 + 1300000 0x1>; + }; +}; + +&cpu0 { + cpu-supply = <®_sy8113b>; }; &ehci0 { -- 2.12.2
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