Add pinctrl node for Actions Semi S500 SoC.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
Reviewed-by: Manivannan Sadhasivam <redacted>
---
Changes in v3:
  - Added Reviewed-by from Mani

  arch/arm/boot/dts/owl-s500.dtsi | 20 ++++++++++++++++++++
  1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/owl-s500.dtsi b/arch/arm/boot/dts/owl-s500.dtsi
index 449e9807c4ec..b16172615db0 100644
--- a/arch/arm/boot/dts/owl-s500.dtsi
+++ b/arch/arm/boot/dts/owl-s500.dtsi

@@ -6,6 +6,7 @@
   */
  
  #include <dt-bindings/clock/actions,s500-cmu.h>
+#include <dt-bindings/gpio/gpio.h>
  #include <dt-bindings/interrupt-controller/arm-gic.h>
  #include <dt-bindings/power/owl-s500-powergate.h>
  #include <dt-bindings/reset/actions,s500-reset.h>

@@ -208,6 +209,25 @@ sps: power-controller@b01b0100 {
  			#power-domain-cells = <1>;
  		};
  
+		pinctrl: pinctrl@b01b0000 {
+			compatible = "actions,s500-pinctrl";
+			reg = <0xb01b0000 0x40>, /* GPIO */
+			      <0xb01b0040 0x10>, /* Multiplexing Control */
+			      <0xb01b0060 0x18>, /* PAD Control */
+			      <0xb01b0080 0xc>;  /* PAD Drive Capacity */
+			clocks = <&cmu CLK_GPIO>;
+			gpio-controller;
+			gpio-ranges = <&pinctrl 0 0 132>;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>, /* GPIOA */
+				     <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>, /* GPIOB */
+				     <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>, /* GPIOC */
+				     <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>, /* GPIOD */
+				     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>; /* GPIOE */
+		};
+
  		dma: dma-controller@b0260000 {
  			compatible = "actions,s500-dma";
  			reg = <0xb0260000 0xd00>;