MLK-23190-4 ARM64: dts: imx8mp: add pwm support

Add pwm1/2/4 nodes support.
Enable pwm1 on pin GPIO1_IO01 for DSI_BL_PWM
       pwm2 on pin GPIO1_IO11 for LVDS_BL_PWM
       pwm4 on pin SAI5_RXFS for J21-32

Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index 1cdbfda..948e379 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -110,6 +110,24 @@
        cpu-supply = <&buck2_reg>;
 };
 
+&pwm1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm1>;
+       status = "okay";
+};
+
+&pwm2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm2>;
+       status = "okay";
+};
+
+&pwm4 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm4>;
+       status = "okay";
+};
+
 &eqos {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_eqos>;
@@ -414,6 +432,24 @@
                >;
        };
 
+       pinctrl_pwm1: pwm1grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_GPIO1_IO01__PWM1_OUT       0x116
+               >;
+       };
+
+       pinctrl_pwm2: pwm2grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_GPIO1_IO11__PWM2_OUT       0x116
+               >;
+       };
+
+       pinctrl_pwm4: pwm4grp {
+               fsl,pins = <
+                       MX8MP_IOMUXC_SAI5_RXFS__PWM4_OUT        0x116
+               >;
+       };
+
        pinctrl_eqos: eqosgrp {
                fsl,pins = <
                        MX8MP_IOMUXC_ENET_MDC__ENET_QOS_MDC             0x3