Messages in this thread Patch in this message | | | From | Icenowy Zheng <> | Subject | [PATCH 2/2] ARM: sun8i: h3: add SY8113B regulator on Banana Pi M2 Zero board | Date | Wed, 11 Jul 2018 21:44:50 +0800 |
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Banana Pi M2 Zero board has a SY8113B regulator, which is controlled via GPIO and capable of outputing 1.1V when the PL1 GPIO is set to output 0 or 1.1V when the PL6 GPIO is set to input or output 1, and the output is the power supply of the ARM cores in H3 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> --- .../dts/sun8i-h2-plus-bananapi-m2-zero.dts | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts index eb61dcf32797..abc8dc750f4b 100644 --- a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts +++ b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts @@ -59,6 +59,23 @@ }; }; + reg_vdd_cpux: vdd-cpux-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 1 GPIO_ACTIVE_HIGH>; /* PL1 */ + enable-active-high; + gpios-states = <0x1>; + states = <1100000 0x0 + 1300000 0x1>; + }; + wifi_pwrseq: wifi_pwrseq { compatible = "mmc-pwrseq-simple"; pinctrl-names = "default"; @@ -66,6 +83,10 @@ }; }; +&cpu0 { + cpu-supply = <®_vdd_cpux>; +}; + &de { status = "okay"; }; -- 2.17.1
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