diff mbox series

[3/4] arm64: tegra: Add AON GPIO controller

Message ID 20181128171957.25924-3-thierry.reding@gmail.com
State Accepted
Headers show
Series [1/4] arm64: tegra: Enable PMC wake events on Tegra186 | expand

Commit Message

Thierry Reding Nov. 28, 2018, 5:19 p.m. UTC 
From: Thierry Reding <treding@nvidia.com>

The AON GPIO controller is in an always-on power partition and typically
provides pins for functions that need to always work, such as the power
key for example.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra194.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index c4f5d94cbb99..7389b0be6e0d 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -770,6 +770,21 @@ 
 			status = "disabled";
 		};
 
+		gpio_aon: gpio@c2f0000 {
+			compatible = "nvidia,tegra194-gpio-aon";
+			reg-names = "security", "gpio";
+			reg = <0xc2f0000 0x1000>,
+			      <0xc2f1000 0x1000>;
+			interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
 		pwm4: pwm@c340000 {
 			compatible = "nvidia,tegra194-pwm",
 				     "nvidia,tegra186-pwm";