[PATCH 3/4] riscv: dts: spacemit: k3: add GPIO support

[Yixun Lan]

Add GPIO node in the Device Tree, so devices are able to request GPIO
resource properly.

Signed-off-by: Yixun Lan <dlan at kernel.org>
---
 arch/riscv/boot/dts/spacemit/k3.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k3.dtsi b/arch/riscv/boot/dts/spacemit/k3.dtsi
index 6449ab056293..3683a1a65362 100644
--- a/arch/riscv/boot/dts/spacemit/k3.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k3.dtsi
@@ -536,6 +536,24 @@ uart9: serial at d4017800 {
 			status = "disabled";
 		};
 
+		gpio: gpio at d4019000 {
+			compatible = "spacemit,k3-gpio";
+			reg = <0x0 0xd4019000 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_APBC_GPIO>,
+				 <&syscon_apbc CLK_APBC_GPIO_BUS>;
+			clock-names = "core", "bus";
+			gpio-controller;
+			#gpio-cells = <3>;
+			interrupts = <58 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-parent = <&saplic>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			gpio-ranges = <&pinctrl 0 0 0 32>,
+				      <&pinctrl 1 0 32 32>,
+				      <&pinctrl 2 0 64 32>,
+				      <&pinctrl 3 0 96 32>;
+		};
+
 		pinctrl: pinctrl at d401e000 {
 			compatible = "spacemit,k3-pinctrl";
 			reg = <0x0 0xd401e000 0x0 0x1000>;

-- 
2.53.0