linux-kernel - Re: [PATCH 1/3] ARM: dts: bcm5301x: Add TWD WD Support to DT

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Date:	Sat, 19 Dec 2015 00:51:26 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Jon Mason <jonmason@...adcom.com>,
	Florian Fainelli <f.fainelli@...il.com>
Cc:	Hauke Mehrtens <hauke@...ke-m.de>,
	bcm-kernel-feedback-list@...adcom.com,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH 1/3] ARM: dts: bcm5301x: Add TWD WD Support to DT

Hello.

On 12/19/2015 12:37 AM, Jon Mason wrote:

> Add support for the ARM TWD Watchdog to the bcm5301x device tree.  The
> ARM TWD timer allocated the register space for the WDT, so this patch
> necessitated shrinking that.  Also, the GIC masks were added for these.
>
> Signed-off-by: Jon Mason <jonmason@...adcom.com>
> ---
>   arch/arm/boot/dts/bcm5301x.dtsi | 15 ++++++++++++---
>   1 file changed, 12 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
> index 65a1309..c31fafe 100644
> --- a/arch/arm/boot/dts/bcm5301x.dtsi
> +++ b/arch/arm/boot/dts/bcm5301x.dtsi
> @@ -66,10 +66,19 @@
>   			clocks = <&periph_clk>;
>   		};
>
> -		local-timer@...00 {
> +		twd-timer@...00 {

    Please just "timer". The node names should be very generic, according to 
the ePAPR standard.

>   			compatible = "arm,cortex-a9-twd-timer";
> -			reg = <0x20600 0x100>;
> -			interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
> +			reg = <0x20600 0x20>;
> +			interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
> +						  IRQ_TYPE_LEVEL_HIGH)>;
> +			clocks = <&periph_clk>;
> +		};
> +
> +		twd-watchdog@...20 {

    Please, just "watchdog".

MBR, Sergei

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