From 4f6975a334c979d5dc27b0b7dbcf2eee947c9f06 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ond=C5=99ej=20Jirman?= Date: Thu, 30 Mar 2017 13:01:10 +0200 Subject: [PATCH 006/389] arm64: dts: sun50i-h5-orangepi-pc2: Add CPUX regulator, enable cpufreq Orange Pi PC2 features sy8106a regulator just like Orange Pi PC. Signed-off-by: Ondrej Jirman --- .../dts/allwinner/sun50i-h5-orangepi-pc2.dts | 30 +++++++++++++++++++ 1 file changed, 30 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 b5c1ff19b4c4..2d041f962681 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-pc2.dts @@ -3,6 +3,7 @@ /dts-v1/; #include "sun50i-h5.dtsi" +#include "sun50i-h5-cpu-opp.dtsi" #include #include @@ -86,6 +87,10 @@ reg_usb0_vbus: usb0-vbus { }; }; +&cpu0 { + cpu-supply = <®_vdd_cpux>; +}; + &codec { allwinner,audio-routing = "Line Out", "LINEOUT", @@ -201,6 +206,31 @@ 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>; -- 2.35.3