@@ -9,6 +9,7 @@
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pwm/pwm.h>
#include "rk3528.dtsi"
/ {
@@ -80,6 +81,26 @@ led-wan {
};
};
+ vdd_0v9: regulator-0v9-vdd {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_0v9";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc_ddr: regulator-1v1-vcc-ddr {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc_ddr";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
vcc_1v8: regulator-1v8-vcc {
compatible = "regulator-fixed";
regulator-name = "vcc_1v8";
@@ -108,6 +129,46 @@ vcc5v0_sys: regulator-5v0-vcc-sys {
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
+
+ vdd_arm: regulator-vdd-arm {
+ compatible = "pwm-regulator";
+ pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>;
+ pwm-supply = <&vcc5v0_sys>;
+ regulator-name = "vdd_arm";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <746000>;
+ regulator-max-microvolt = <1201000>;
+ regulator-settling-time-up-us = <250>;
+ };
+
+ vdd_logic: regulator-vdd-logic {
+ compatible = "pwm-regulator";
+ pwms = <&pwm2 0 5000 PWM_POLARITY_INVERTED>;
+ pwm-supply = <&vcc5v0_sys>;
+ regulator-name = "vdd_logic";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <705000>;
+ regulator-max-microvolt = <1006000>;
+ regulator-settling-time-up-us = <250>;
+ };
+};
+
+&cpu0 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu1 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu2 {
+ cpu-supply = <&vdd_arm>;
+};
+
+&cpu3 {
+ cpu-supply = <&vdd_arm>;
};
&pinctrl {
@@ -132,6 +193,18 @@ wan_led_g: wan-led-g {
};
};
+&pwm1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm1m0_pins>;
+ status = "okay";
+};
+
+&pwm2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm2m0_pins>;
+ status = "okay";
+};
+
&saradc {
vref-supply = <&vcc_1v8>;
status = "okay";
Enable pwm and fixed regulators for Radxa E20C. The pwm regulator is used to power the CPU and GPU. Note that the LPDDR4 voltage is 1.1V. Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn> --- .../boot/dts/rockchip/rk3528-radxa-e20c.dts | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+)