arm64: dts: meson-g12a-u200: add regulators

Add system regulators for the S905D U200 reference design.

Add some regulators. Still missing
* VDD_EE (0.8V - PWM controlled)
* VDD_CPU (PWM controlled)

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
index f2afd0b..c69328d 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-u200.dts
@@ -6,6 +6,8 @@
 /dts-v1/;
 
 #include "meson-g12a.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
 
 / {
        compatible = "amlogic,u200", "amlogic,g12a";
@@ -21,6 +23,83 @@
                device_type = "memory";
                reg = <0x0 0x0 0x0 0x40000000>;
        };
+
+       flash_1v8: regulator-flash_1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "FLASH_1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vcc_3v3>;
+               regulator-always-on;
+       };
+
+       main_12v: regulator-main_12v {
+               compatible = "regulator-fixed";
+               regulator-name = "12V";
+               regulator-min-microvolt = <12000000>;
+               regulator-max-microvolt = <12000000>;
+               regulator-always-on;
+       };
+
+       vcc_1v8: regulator-vcc_1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vcc_3v3>;
+               regulator-always-on;
+       };
+
+       vcc_3v3: regulator-vcc_3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&vddao_3v3>;
+               regulator-always-on;
+               /* FIXME: actually controlled by VDDCPU_B_EN */
+       };
+
+       vcc_5v: regulator-vcc_5v {
+               compatible = "regulator-fixed";
+               regulator-name = "VCC_5V";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               vin-supply = <&main_12v>;
+
+               gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
+               enable-active-high;
+       };
+
+       usb_pwr_en: regulator-usb_pwr_en {
+               compatible = "regulator-fixed";
+               regulator-name = "USB_PWR_EN";
+               regulator-min-microvolt = <5000000>;
+               regulator-max-microvolt = <5000000>;
+               vin-supply = <&vcc_5v>;
+
+               gpio = <&gpio GPIOH_6 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vddao_1v8: regulator-vddao_1v8 {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDAO_1V8";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vddao_3v3>;
+               regulator-always-on;
+       };
+
+       vddao_3v3: regulator-vddao_3v3 {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDAO_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               vin-supply = <&main_12v>;
+               regulator-always-on;
+       };
+
 };
 
 &uart_AO {