arm64: dts: renesas: r8a77990: Enable PWM for Ebisu board

This patch adds PWM device nodes and enables PWM3 and PWM5 for
R-Car E3 Ebisu board. These devices are used for backlight control.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index 2bc3a48..31934a3 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
@@ -67,6 +67,16 @@
                };
        };
 
+       pwm3_pins: pwm3 {
+               groups = "pwm3_b";
+               function = "pwm3";
+       };
+
+       pwm5_pins: pwm5 {
+               groups = "pwm5_a";
+               function = "pwm5";
+       };
+
        usb0_pins: usb {
                groups = "usb0_b";
                function = "usb0";
@@ -78,6 +88,20 @@
        };
 };
 
+&pwm3 {
+       pinctrl-0 = <&pwm3_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+};
+
+&pwm5 {
+       pinctrl-0 = <&pwm5_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+};
+
 &rwdt {
        timeout-sec = <60>;
        status = "okay";

diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index 2c8f119..2ee0edf 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -337,6 +337,76 @@
                        status = "disabled";
                };
 
+               pwm0: pwm@e6e30000 {
+                       compatible = "renesas,pwm-r8a77990", "renesas,pwm-rcar";
+                       reg = <0 0xe6e30000 0 0x8>;
+                       clocks = <&cpg CPG_MOD 523>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 523>;
+                       #pwm-cells = <2>;
+                       status = "disabled";
+               };
+
+               pwm1: pwm@e6e31000 {
+                       compatible = "renesas,pwm-r8a77990", "renesas,pwm-rcar";
+                       reg = <0 0xe6e31000 0 0x8>;
+                       clocks = <&cpg CPG_MOD 523>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 523>;
+                       #pwm-cells = <2>;
+                       status = "disabled";
+               };
+
+               pwm2: pwm@e6e32000 {
+                       compatible = "renesas,pwm-r8a77990", "renesas,pwm-rcar";
+                       reg = <0 0xe6e32000 0 0x8>;
+                       clocks = <&cpg CPG_MOD 523>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 523>;
+                       #pwm-cells = <2>;
+                       status = "disabled";
+               };
+
+               pwm3: pwm@e6e33000 {
+                       compatible = "renesas,pwm-r8a77990", "renesas,pwm-rcar";
+                       reg = <0 0xe6e33000 0 0x8>;
+                       clocks = <&cpg CPG_MOD 523>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 523>;
+                       #pwm-cells = <2>;
+                       status = "disabled";
+               };
+
+               pwm4: pwm@e6e34000 {
+                       compatible = "renesas,pwm-r8a77990", "renesas,pwm-rcar";
+                       reg = <0 0xe6e34000 0 0x8>;
+                       clocks = <&cpg CPG_MOD 523>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 523>;
+                       #pwm-cells = <2>;
+                       status = "disabled";
+               };
+
+               pwm5: pwm@e6e35000 {
+                       compatible = "renesas,pwm-r8a77990", "renesas,pwm-rcar";
+                       reg = <0 0xe6e35000 0 0x8>;
+                       clocks = <&cpg CPG_MOD 523>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 523>;
+                       #pwm-cells = <2>;
+                       status = "disabled";
+               };
+
+               pwm6: pwm@e6e36000 {
+                       compatible = "renesas,pwm-r8a77990", "renesas,pwm-rcar";
+                       reg = <0 0xe6e36000 0 0x8>;
+                       clocks = <&cpg CPG_MOD 523>;
+                       power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 523>;
+                       #pwm-cells = <2>;
+                       status = "disabled";
+               };
+
                scif2: serial@e6e88000 {
                        compatible = "renesas,scif-r8a77990",
                                     "renesas,rcar-gen3-scif", "renesas,scif";