From: Thierry Reding <treding@xxxxxxxxxx>
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@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 15 +++++++++++++++
1 file changed, 15 insertions(+)
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";
--
2.19.1
