diff mbox series

[2/2] arm64: tegra: Make the RTC a wakeup source on Jetson TX2

Message ID 20200417171117.2556374-2-thierry.reding@gmail.com
State Accepted
Headers show
Series [1/2] soc/tegra: pmc: Enable PMIC wake event on Tegra186 | expand

Commit Message

Thierry Reding April 17, 2020, 5:11 p.m. UTC 
From: Thierry Reding <treding@nvidia.com>

The RTC found on the MAX77620 PMIC can be used as a wakeup source on
Jetson TX2, which is useful to wake the system from suspend at a given
time.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Comments

Jon Hunter April 20, 2020, 2:43 p.m. UTC | #1 
On 17/04/2020 18:11, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.com>
> 
> The RTC found on the MAX77620 PMIC can be used as a wakeup source on
> Jetson TX2, which is useful to wake the system from suspend at a given
> time.
> 
> Signed-off-by: Thierry Reding <treding@nvidia.com>
> ---
>  arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
> index da96de04d003..7a0fa157f48c 100644
> --- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
> +++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
> @@ -221,7 +221,8 @@ pmic: pmic@3c {
>  				compatible = "maxim,max77620";
>  				reg = <0x3c>;
>  
> -				interrupts = <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>;
> +				interrupt-parent = <&pmc>;
> +				interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
>  				#interrupt-cells = <2>;
>  				interrupt-controller;
>  
> @@ -379,6 +380,10 @@ vdd_pex: ldo8 {
>  						regulator-max-microvolt = <1050000>;
>  					};
>  				};
> +
> +				rtc {
> +					wakeup-source;
> +				};
>  			};
>  		};
>  	};
> 


Acked-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>

Cheers
Jon
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
index da96de04d003..7a0fa157f48c 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
@@ -221,7 +221,8 @@  pmic: pmic@3c {
 				compatible = "maxim,max77620";
 				reg = <0x3c>;
 
-				interrupts = <GIC_SPI 209 IRQ_TYPE_LEVEL_HIGH>;
+				interrupt-parent = <&pmc>;
+				interrupts = <24 IRQ_TYPE_LEVEL_LOW>;
 				#interrupt-cells = <2>;
 				interrupt-controller;
 
@@ -379,6 +380,10 @@  vdd_pex: ldo8 {
 						regulator-max-microvolt = <1050000>;
 					};
 				};
+
+				rtc {
+					wakeup-source;
+				};
 			};
 		};
 	};