arm64: dts: rockchip: Add PMIC support for Khadas Edge 2L

Add RK806 PMIC support for the Khadas Edge 2L board. Assign the
corresponding PMIC regulators (vdd_cpu_lit_s0 and vdd_cpu_big_s0)
to the little and big CPU clusters to enable proper power
management and CPU frequency scaling.

Signed-off-by: Gray Huang <gray.huang@wesion.com>
Link: https://patch.msgid.link/20260325054614.1497147-2-gray.huang@wesion.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
index 68630379af630420726a467def6895e9b435b16d..627d56764c6144c64dac39f691c2a63be0979bfe 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts
@@ -17,6 +17,416 @@
        chosen {
                stdout-path = "serial0:1500000n8";
        };
+
+       vcc_sys: regulator-vcc5v0-sys {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc_sys";
+               regulator-always-on;
+               regulator-boot-on;
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+       };
+
+       vcc_1v1_nldo_s3: regulator-vcc-1v1-nldo-s3 {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc_1v1_nldo_s3";
+               regulator-boot-on;
+               regulator-always-on;
+               regulator-min-microvolt = <1100000>;
+               regulator-max-microvolt = <1100000>;
+               vin-supply = <&vcc_sys>;
+       };
+
+       vcc_2v0_pldo_s3: regulator-vcc-2v0-pldo-s3 {
+               compatible = "regulator-fixed";
+               regulator-name = "vcc_2v0_pldo_s3";
+               regulator-boot-on;
+               regulator-always-on;
+               regulator-min-microvolt = <2000000>;
+               regulator-max-microvolt = <2000000>;
+               vin-supply = <&vcc_sys>;
+       };
+};
+
+&cpu_l0 {
+       cpu-supply = <&vdd_cpu_lit_s0>;
+};
+
+&cpu_b0 {
+       cpu-supply = <&vdd_cpu_big_s0>;
+};
+
+&i2c1 {
+       status = "okay";
+
+       rk806: pmic@23 {
+               compatible = "rockchip,rk806";
+               reg = <0x23>;
+               interrupt-parent = <&gpio0>;
+               interrupts = <6 IRQ_TYPE_LEVEL_LOW>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pmic_pins>, <&rk806_dvs1_null>,
+                           <&rk806_dvs2_null>, <&rk806_dvs3_null>;
+               system-power-controller;
+
+               vcc1-supply = <&vcc_sys>;
+               vcc2-supply = <&vcc_sys>;
+               vcc3-supply = <&vcc_sys>;
+               vcc4-supply = <&vcc_sys>;
+               vcc5-supply = <&vcc_sys>;
+               vcc6-supply = <&vcc_sys>;
+               vcc7-supply = <&vcc_sys>;
+               vcc8-supply = <&vcc_sys>;
+               vcc9-supply = <&vcc_sys>;
+               vcc10-supply = <&vcc_sys>;
+               vcc11-supply = <&vcc_2v0_pldo_s3>;
+               vcc12-supply = <&vcc_sys>;
+               vcc13-supply = <&vcc_1v1_nldo_s3>;
+               vcc14-supply = <&vcc_1v1_nldo_s3>;
+               vcca-supply = <&vcc_sys>;
+
+               rk806_dvs1_null: dvs1-null-pins {
+                       pins = "gpio_pwrctrl1";
+                       function = "pin_fun0";
+               };
+
+               rk806_dvs2_null: dvs2-null-pins {
+                       pins = "gpio_pwrctrl2";
+                       function = "pin_fun0";
+               };
+
+               rk806_dvs3_null: dvs3-null-pins {
+                       pins = "gpio_pwrctrl3";
+                       function = "pin_fun0";
+               };
+
+               rk806_dvs1_slp: dvs1-slp-pins {
+                       pins = "gpio_pwrctrl1";
+                       function = "pin_fun1";
+               };
+
+               rk806_dvs1_pwrdn: dvs1-pwrdn-pins {
+                       pins = "gpio_pwrctrl1";
+                       function = "pin_fun2";
+               };
+
+               rk806_dvs1_rst: dvs1-rst-pins {
+                       pins = "gpio_pwrctrl1";
+                       function = "pin_fun3";
+               };
+
+               rk806_dvs2_slp: dvs2-slp-pins {
+                       pins = "gpio_pwrctrl2";
+                       function = "pin_fun1";
+               };
+
+               rk806_dvs2_pwrdn: dvs2-pwrdn-pins {
+                       pins = "gpio_pwrctrl2";
+                       function = "pin_fun2";
+               };
+
+               rk806_dvs2_rst: dvs2-rst-pins {
+                       pins = "gpio_pwrctrl2";
+                       function = "pin_fun3";
+               };
+
+               rk806_dvs2_dvs: dvs2-dvs-pins {
+                       pins = "gpio_pwrctrl2";
+                       function = "pin_fun4";
+               };
+
+               rk806_dvs2_gpio: dvs2-gpio-pins {
+                       pins = "gpio_pwrctrl2";
+                       function = "pin_fun5";
+               };
+
+               rk806_dvs3_slp: dvs3-slp-pins {
+                       pins = "gpio_pwrctrl3";
+                       function = "pin_fun1";
+               };
+
+               rk806_dvs3_pwrdn: dvs3-pwrdn-pins {
+                       pins = "gpio_pwrctrl3";
+                       function = "pin_fun2";
+               };
+
+               rk806_dvs3_rst: dvs3-rst-pins {
+                       pins = "gpio_pwrctrl3";
+                       function = "pin_fun3";
+               };
+
+               rk806_dvs3_dvs: dvs3-dvs-pins {
+                       pins = "gpio_pwrctrl3";
+                       function = "pin_fun4";
+               };
+
+               rk806_dvs3_gpio: dvs3-gpio-pins {
+                       pins = "gpio_pwrctrl3";
+                       function = "pin_fun5";
+               };
+
+               regulators {
+                       vdd_cpu_big_s0: dcdc-reg1 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <550000>;
+                               regulator-max-microvolt = <950000>;
+                               regulator-ramp-delay = <12500>;
+                               regulator-name = "vdd_cpu_big_s0";
+                               regulator-enable-ramp-delay = <400>;
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vdd_npu_s0: dcdc-reg2 {
+                               regulator-boot-on;
+                               regulator-min-microvolt = <550000>;
+                               regulator-max-microvolt = <950000>;
+                               regulator-ramp-delay = <12500>;
+                               regulator-name = "vdd_npu_s0";
+                               regulator-enable-ramp-delay = <400>;
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vdd_cpu_lit_s0: dcdc-reg3 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <550000>;
+                               regulator-max-microvolt = <950000>;
+                               regulator-ramp-delay = <12500>;
+                               regulator-name = "vdd_cpu_lit_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                                       regulator-suspend-microvolt = <750000>;
+                               };
+                       };
+
+                       vcc_3v3_s3: dcdc-reg4 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcc_3v3_s3";
+
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <3300000>;
+                               };
+                       };
+
+                       vdd_gpu_s0: dcdc-reg5 {
+                               regulator-boot-on;
+                               regulator-min-microvolt = <550000>;
+                               regulator-max-microvolt = <900000>;
+                               regulator-ramp-delay = <12500>;
+                               regulator-name = "vdd_gpu_s0";
+                               regulator-enable-ramp-delay = <400>;
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                                       regulator-suspend-microvolt = <850000>;
+                               };
+                       };
+
+                       vddq_ddr_s0: dcdc-reg6 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-name = "vddq_ddr_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vdd_logic_s0: dcdc-reg7 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <550000>;
+                               regulator-max-microvolt = <800000>;
+                               regulator-name = "vdd_logic_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcc_1v8_s3: dcdc-reg8 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-name = "vcc_1v8_s3";
+
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <1800000>;
+                               };
+                       };
+
+                       vdd2_ddr_s3: dcdc-reg9 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-name = "vdd2_ddr_s3";
+
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                               };
+                       };
+
+                       vdd_ddr_s0: dcdc-reg10 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <550000>;
+                               regulator-max-microvolt = <1200000>;
+                               regulator-name = "vdd_ddr_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcca_1v8_s0: pldo-reg1 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-name = "vcca_1v8_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcca1v8_pldo2_s0: pldo-reg2 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-name = "vcca1v8_pldo2_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vdda_1v2_s0: pldo-reg3 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1200000>;
+                               regulator-max-microvolt = <1200000>;
+                               regulator-name = "vdda_1v2_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcca_3v3_s0: pldo-reg4 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <3300000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vcca_3v3_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vccio_sd_s0: pldo-reg5 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <3300000>;
+                               regulator-name = "vccio_sd_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vcca1v8_pldo6_s3: pldo-reg6 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-name = "vcca1v8_pldo6_s3";
+
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <1800000>;
+                               };
+                       };
+
+                       vdd_0v75_s3: nldo-reg1 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <550000>;
+                               regulator-max-microvolt = <750000>;
+                               regulator-name = "vdd_0v75_s3";
+
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <750000>;
+                               };
+                       };
+
+                       vdda_ddr_pll_s0: nldo-reg2 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <850000>;
+                               regulator-max-microvolt = <850000>;
+                               regulator-name = "vdda_ddr_pll_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vdda0v75_hdmi_s0: nldo-reg3 {
+                               regulator-boot-on;
+                               regulator-min-microvolt = <837500>;
+                               regulator-max-microvolt = <837500>;
+                               regulator-name = "vdda0v75_hdmi_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vdda_0v85_s0: nldo-reg4 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <850000>;
+                               regulator-max-microvolt = <850000>;
+                               regulator-name = "vdda_0v85_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       vdda_0v75_s0: nldo-reg5 {
+                               regulator-always-on;
+                               regulator-boot-on;
+                               regulator-min-microvolt = <750000>;
+                               regulator-max-microvolt = <750000>;
+                               regulator-name = "vdda_0v75_s0";
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+               };
+       };
 };
 
 &sdhci {