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Commit 06139c82 authored by Ondrej Jirman's avatar Ondrej Jirman Committed by Maxime Ripard
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ARM: dts: sun8i: h3: Add SY8106A regulator to Orange Pi PC 



Add SY8106A regulator to r_i2c bus and enable the r_i2c bus on
Orange Pi PC, then set the power supply of the ARM cores to this
regulator, in order to enable DVFS.

Signed-off-by: default avatarOndrej Jirman <megous@megous.com>
[Icenowy: Enable DVFS in this patch, slight changes and change commit
 message]
Signed-off-by: default avatarIcenowy Zheng <icenowy@aosc.io>
Reviewed-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
parent af5d05bd

arch/arm/boot/dts/sun8i-h3-orangepi-pc.dts

+28 −0
Original line number Diff line number Diff line
@@ -113,6 +113,10 @@ 
	status = "okay";

};



&cpu0 {

	cpu-supply = <&reg_vdd_cpux>;

};



&ehci0 {

	status = "okay";

};
@@ -182,6 +186,30 @@ 
	};

};



&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 = <1300000>;

		regulator-boot-on;

		regulator-always-on;

	};

};



&r_pio {

	leds_r_opc: led_pins {

		pins = "PL10";