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authorMarkus Reichl <m.reichl@fivetechno.de>2020-01-06 22:16:28 +0100
committerHeiko Stuebner <heiko@sntech.de>2020-01-09 00:28:40 +0100
commit1fc61ed04d309b0b8b3562acf701ab988eee12de (patch)
tree57e2751d4d1b6ca0d92e4001b5af672b610037b8 /arch/arm64/boot/dts/rockchip
parent25418f9d4996c5fff8ad2bae88865643cd304dd0 (diff)
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>
Diffstat (limited to 'arch/arm64/boot/dts/rockchip')
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi32
1 files changed, 18 insertions, 14 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
index 8e01b04144b7..9f225e9c3d54 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
@@ -110,20 +110,6 @@
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 @@
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 {