On 14/04/2023 11:34, Cristian Ciocaltea wrote: > The RK8602 and RK8603 voltage regulators on the Rock 5B board provide > the power lines vdd_cpu_big0 and vdd_cpu_big1, respectively. > > Add the necessary device tree nodes and bind them to the corresponding > CPU big core nodes. > > Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx> > --- > .../boot/dts/rockchip/rk3588-rock-5b.dts | 56 +++++++++++++++++++ > 1 file changed, 56 insertions(+) > > diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > index 8cc97d146a73..3e4aee8f70c1 100644 > --- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts > @@ -53,6 +53,62 @@ vcc5v0_sys: vcc5v0-sys-regulator { > }; > }; > > +&cpu_b0 { > + cpu-supply = <&vdd_cpu_big0_s0>; > +}; > + > +&cpu_b1 { > + cpu-supply = <&vdd_cpu_big0_s0>; > +}; > + > +&cpu_b2 { > + cpu-supply = <&vdd_cpu_big1_s0>; > +}; > + > +&cpu_b3 { > + cpu-supply = <&vdd_cpu_big1_s0>; > +}; > + > +&i2c0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c0m2_xfer>; > + status = "okay"; > + > + vdd_cpu_big0_s0: regulator@42 { > + compatible = "rockchip,rk8602"; Looking at your next node, this is surprising... Double check if you have correct compatibles everywhere. > + reg = <0x42>; > + fcs,suspend-voltage-selector = <1>; Does not look like you tested the DTS against bindings. Please run `make dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst for instructions). > + regulator-name = "vdd_cpu_big0_s0"; > + regulator-always-on; > + regulator-boot-on; > + regulator-min-microvolt = <550000>; > + regulator-max-microvolt = <1050000>; > + regulator-ramp-delay = <2300>; > + vin-supply = <&vcc5v0_sys>; > + > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > + }; > + > + vdd_cpu_big1_s0: regulator@43 { > + compatible = "rockchip,rk8603", "rockchip,rk8602"; > + reg = <0x43>; > + fcs,suspend-voltage-selector = <1>; Does not look like you tested the DTS against bindings. Please run `make dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst for instructions). Best regards, Krzysztof