RE: [PATCH v2 3/3] arm64: dts: exynosautov9: add RTC DT node

[Alim Akhtar]

> -----Original Message-----
> From: Devang Tailor <dev.tailor@xxxxxxxxxxx>
> Sent: Thursday, July 10, 2025 2:05 PM
> To: robh@xxxxxxxxxx; krzk+dt@xxxxxxxxxx; conor+dt@xxxxxxxxxx;
> alim.akhtar@xxxxxxxxxxx; alexandre.belloni@xxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> samsung-soc@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-
> rtc@xxxxxxxxxxxxxxx; faraz.ata@xxxxxxxxxxx
> Cc: Devang Tailor <dev.tailor@xxxxxxxxxxx>
> Subject: [PATCH v2 3/3] arm64: dts: exynosautov9: add RTC DT node
> 
> Add DT node for on-chip RTC for ExynosAutov9
> 
> Signed-off-by: Devang Tailor <dev.tailor@xxxxxxxxxxx>
> ---
Reviewed-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>

You can also send a top-up patch to correct the ordering of the nodes based on the ascending addresses.

>  arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts |  4 ++++
>  arch/arm64/boot/dts/exynos/exynosautov9.dtsi     | 10 ++++++++++
>  2 files changed, 14 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> index de2c1de51a76..5f5167571f7a 100644
> --- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> +++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
> @@ -106,6 +106,10 @@ &pwm {
>  	status = "okay";
>  };
> 
> +&rtc {
> +	status = "okay";
> +};
> +
>  &serial_0 {
>  	pinctrl-0 = <&uart0_bus_dual>;
>  	status = "okay";
> diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
> b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
> index 66628cb32776..afa6b258153c 100644
> --- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
> @@ -1633,6 +1633,16 @@ pwm: pwm@103f0000 {
>  			clock-names = "timers";
>  			status = "disabled";
>  		};
> +
> +		rtc: rtc@10540000 {
> +			compatible = "samsung,exynosautov9-rtc";
> +			reg = <0x10540000 0x100>;
> +			interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&xtcxo>;
> +			clock-names = "rtc";
> +			status = "disabled";
> +		};
>  	};
>  };
> 
> --
> 2.34.1