ARM: dts: rockchip: enable pwm3 as pwm regulator for rk3066a based boards

Rayeager/Bqcurie2/Marsboard use pwm3 modulate the vdd_logic voltage,
so enable it.

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

1 files changed, 16 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/rk3066a-rayeager.dts b/arch/arm/boot/dts/rk3066a-rayeager.dts
index 341c1f87936a..84f44f5ee3de 100644
--- a/arch/arm/boot/dts/rk3066a-rayeager.dts
+++ b/arch/arm/boot/dts/rk3066a-rayeager.dts
@@ -74,6 +74,18 @@
                 };
         };
 
+        vdd_log: vdd-log {
+                compatible = "pwm-regulator";
+                pwms = <&pwm3 0 1000>;
+                regulator-name = "vdd_log";
+                regulator-min-microvolt = <1200000>;
+                regulator-max-microvolt = <1200000>;
+                regulator-always-on;
+                voltage-table = <1000000 100>,
+                                <1200000 42>;
+                status = "okay";
+        };
+
         vsys: vsys-regulator {
                 compatible = "regulator-fixed";
                 regulator-name = "vsys";
@@ -431,6 +443,10 @@
         status = "okay";
 };
 
+&pwm3 {
+        status = "okay";
+};
+
 &saradc {
         vref-supply = <&vcc_25>;
         status = "okay";