linux-kernel - Re: [PATCH] arm64: dts: visconti: Add watchdog support for TMPV7708 SoC

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Date:   Thu, 03 Dec 2020 19:13:43 +0900
From:   Punit Agrawal <punit1.agrawal@...hiba.co.jp>
To:     Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
Cc:     linux-arm-kernel@...ts.infradead.org, yuji2.ishikawa@...hiba.co.jp,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: visconti: Add watchdog support for TMPV7708 SoC

Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp> writes:

> Add watchdog node in TMPV7708's dtsi, and tmpv7708-rm-mbrc boards's
> dts.
>
> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>
> ---
>  arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts |  5 +++++
>  arch/arm64/boot/dts/toshiba/tmpv7708.dtsi        | 12 ++++++++++++
>  2 files changed, 17 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
> index ed0bf7f13f54..37da418393e0 100644
> --- a/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
> +++ b/arch/arm64/boot/dts/toshiba/tmpv7708-rm-mbrc.dts
> @@ -41,3 +41,8 @@ &uart1 {
>  	clocks = <&uart_clk>;
>  	clock-names = "apb_pclk";
>  };
> +
> +&wdt {
> +	status = "okay";
> +	clocks = <&wdt_clk>;
> +};
> diff --git a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
> index 242f25f4e12a..c360e68bef1d 100644
> --- a/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
> +++ b/arch/arm64/boot/dts/toshiba/tmpv7708.dtsi
> @@ -134,6 +134,12 @@ uart_clk: uart-clk {
>  		#clock-cells = <0>;
>  	};
>  
> +	wdt_clk: wdt-clk {
> +		compatible = "fixed-clock";
> +		clock-frequency = <150000000>;
> +		#clock-cells = <0>;
> +	};
> +
>  	soc {
>  		#address-cells = <2>;
>  		#size-cells = <2>;
> @@ -384,6 +390,12 @@ spi6: spi@...46000 {
>  			#size-cells = <0>;
>  			status = "disabled";
>  		};
> +
> +		wdt: wdt@...30000 {
> +			compatible = "toshiba,visconti-wdt";
> +			reg = <0 0x28330000 0 0x1000>;
> +			status = "disabled";
> +		};
>  	};
>  };

FWIW,

Reviewed-by: Punit Agrawal <punit1.agrawal@...hiba.co.jp>

Thanks,
Punit