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arm64: dts: rockchip: Enable mp8859 regulator on rk3399-roc-pc 

The rk3399-roc-pc uses a MP8859 DC/DC converter for 12V supply.
This supplies 5V only in default state after booting.
Now we can control the output voltage via I2C interface.
Add a node for the driver to reach 12V.

Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
Link: https://lore.kernel.org/r/20200106211633.2882-6-m.reichl@fivetechno.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Markus Reichl 2020-01-06 22:16:28 +01:00 committed by Heiko Stuebner
parent 25418f9d49
commit 1fc61ed04d
1 changed files with 18 additions and 14 deletions
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32
arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
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@ -110,20 +110,6 @@ vcc_vbus_typec0: vcc-vbus-typec0 {
regulator-max-microvolt = <5000000>;
};
/*
* should be placed inside mp8859, but not until mp8859 has
* its own dt-binding.
*/
dc_12v: mp8859-dcdc1 {
compatible = "regulator-fixed";
regulator-name = "dc_12v";
regulator-always-on;
regulator-boot-on;
regulator-min-microvolt = <12000000>;
regulator-max-microvolt = <12000000>;
vin-supply = <&vcc_vbus_typec0>;
};
/* switched by pmic_sleep */
vcc1v8_s3: vcca1v8_s3: vcc1v8-s3 {
compatible = "regulator-fixed";
@ -546,6 +532,24 @@ fusb0: usb-typec@22 {
vbus-supply = <&vcc_vbus_typec0>;
status = "okay";
};
mp8859: regulator@66 {
compatible = "mps,mp8859";
reg = <0x66>;
dc_12v: mp8859_dcdc {
regulator-name = "dc_12v";
regulator-min-microvolt = <12000000>;
regulator-max-microvolt = <12000000>;
regulator-always-on;
regulator-boot-on;
vin-supply = <&vcc_vbus_typec0>;
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <12000000>;
};
};
};
};
&i2s0 {