arm: dts: owl-s500: Add pinctrl & GPIO support

Add pinctrl node for Actions Semi S500 SoC.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

diff --git a/arch/arm/boot/dts/owl-s500.dtsi b/arch/arm/boot/dts/owl-s500.dtsi
index 449e980..b161726 100644 (file)
--- 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 @@
                        #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>;