linux-kernel - Re: [PATCH V2 1/2] arm64: dts: ti: k3-am62-wakeup: Introduce RTC node

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Date:   Mon, 20 Mar 2023 20:06:52 +0530
From:   Dhruva Gole <d-gole@...com>
To:     Nishanth Menon <nm@...com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Tero Kristo <kristo@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>
Subject: Re: [PATCH V2 1/2] arm64: dts: ti: k3-am62-wakeup: Introduce RTC node

Hi,

On 15/03/23 22:37, Nishanth Menon wrote:
> Introduce digital RTC node in wakeup domain. Even though this has
> no specific battery backup supply, this on-chip RTC is used in
> cost-optimized board designs as a wakeup source.
>
> Signed-off-by: Nishanth Menon <nm@...com>
> ---
>
> No changes since V1
> V1: https://lore.kernel.org/all/20230311105850.21811-2-nm@ti.com/
>
>  arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
> index 38dced6b4fef..fec81546fbbd 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
> @@ -40,4 +40,14 @@ wkup_i2c0: i2c@...00000 {
>  		clock-names = "fck";
>  		status = "disabled";
>  	};
> +
> +	wkup_rtc0: rtc@...f0000 {
> +		compatible = "ti,am62-rtc";
> +		reg = <0x00 0x2b1f0000 0x00 0x100>;
> +		interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&k3_clks 117 6> , <&k3_clks 117 0>;
> +		clock-names = "vbus", "osc32k";
> +		power-domains = <&k3_pds 117 TI_SCI_PD_EXCLUSIVE>;
> +		wakeup-source;
> +	};
>  };

LGTM!

Reviewed-by: Dhruva Gole <d-gole@...com>

-- 
Best regards,
Dhruva Gole
Texas Instruments Incorporated