[PATCH v4 3/4] ARM: dts: add pwm node for r40.

[hao_zhang]

This patch add pwm node for r40.

Signed-off-by: hao_zhang <hao5781...@gmail.com>
---
 arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts |  6 ++++++
 arch/arm/boot/dts/sun8i-r40.dtsi                  | 13 +++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts 
b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
index 8c5efe2..6cf6273 100644
--- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
@@ -196,6 +196,12 @@
        status = "okay";
 };
 
+&pwm {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pwm_pins>;
+       status = "okay";
+};
+
 &uart0 {
        pinctrl-names = "default";
        pinctrl-0 = <&uart0_pb_pins>;
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 173dcc1..6628b17 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -295,6 +295,11 @@
                                bias-pull-up;
                        };
 
+                       pwm_pins: pwm0-pin {
+                               pins = "PB2", "PB3";
+                               function = "pwm";
+                       };
+
                        uart0_pb_pins: uart0-pb-pins {
                                pins = "PB22", "PB23";
                                function = "uart0";
@@ -306,6 +311,14 @@
                        reg = <0x01c20c90 0x10>;
                };
 
+               pwm: pwm@1c23400 {
+                            compatible = "allwinner,sun8i-r40-pwm";
+                            reg = <0x01c23400 0x154>;
+                            clocks = <&osc24M>;
+                            #pwm-cells = <3>;
+                            status = "disabled";
+               };
+
                uart0: serial@1c28000 {
                        compatible = "snps,dw-apb-uart";
                        reg = <0x01c28000 0x400>;
-- 
2.7.4