Messages in this thread Patch in this message | | | From | Ondrej Jirman <> | Subject | [PATCH] arm64: dts: sun50i-h5-orange-pi-pc2: Add CPUX voltage regulator | Date | Sat, 22 Feb 2020 22:45:41 +0100 |
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Orange Pi PC2 features sy8106a regulator just like Orange Pi PC.
Signed-off-by: Ondrej Jirman <megous@megous.com> --- .../dts/allwinner/sun50i-h5-orangepi-pc2.dts | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts index 70b5f09984218..5feedde95b5fc 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts @@ -85,6 +85,10 @@ reg_usb0_vbus: usb0-vbus { }; }; +&cpu0 { + cpu-supply = <®_vdd_cpux>; +}; + &codec { allwinner,audio-routing = "Line Out", "LINEOUT", @@ -180,6 +184,31 @@ flash@0 { }; }; +&r_i2c { + status = "okay"; + + reg_vdd_cpux: regulator@65 { + compatible = "silergy,sy8106a"; + reg = <0x65>; + regulator-name = "vdd-cpux"; + silergy,fixed-microvolt = <1200000>; + /* + * The datasheet uses 1.1V as the minimum value of VDD-CPUX, + * however both the Armbian DVFS table and the official one + * have operating points with voltage under 1.1V, and both + * DVFS table are known to work properly at the lowest + * operating point. + * + * Use 1.0V as the minimum voltage instead. + */ + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1400000>; + regulator-ramp-delay = <200>; + regulator-boot-on; + regulator-always-on; + }; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pa_pins>; -- 2.25.1
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