linux-kernel - Re: [PATCH 3/4] watchdog: st_wdt: Provide binding documentation for ST's LPC Watchdog driver

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Message-ID: <20140905152758.GA10670@roeck-us.net>
Date:	Fri, 5 Sep 2014 08:27:58 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kernel@...inux.com, wim@...ana.be, linux-watchdog@...r.kernel.org,
	David Paris <david.paris@...com>
Subject: Re: [PATCH 3/4] watchdog: st_wdt: Provide binding documentation for
 ST's LPC Watchdog driver

On Thu, Sep 04, 2014 at 03:39:51PM +0100, Lee Jones wrote:
> Signed-off-by: David Paris <david.paris@...com>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

You might want to copy the devicetree mailing list for bindings approval.

> ---
>  .../devicetree/bindings/watchdog/st-lpc-wdt.txt    | 27 ++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/st-lpc-wdt.txt
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/st-lpc-wdt.txt b/Documentation/devicetree/bindings/watchdog/st-lpc-wdt.txt
> new file mode 100644
> index 0000000..f0e57ba
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/st-lpc-wdt.txt
> @@ -0,0 +1,27 @@
> +STMicroelectronics LPC Watchdog
> +===============================
> +
> +Required properties
> +
> +- compatible 	: "st,<soc>-watchdog"

Is this acceptable ? I thought the supported bindings have to be listed
explicitly.

> +- reg		: LPC registers base address + range
> +- reg-names	: Register map "base" and "syscfg-en" are compulsory "type" is

'.' after compulsory ?

> +		  platform dependent and not required for the STiH407.
> +- clock-names 	: Should be "lpc_wdt"
> +- clocks	: Clock used by LPC device
> +- timeout-sec	: Qatchdog timeout in seconds

Watchdog

> +- st,syscfg	: Syscfg node used to configure cpu reset type and mask
> +- st,warm_reset	: If present, reset type will be 'warm'. If not, it will be cold

s/cold/cold./ ?

> +
> +Example:
> +	watchdog@...05000 {
> +		compatible	= "st,stih416-lpc-watchdog";
> +		reg		= <0xfde05000 0x1000> <0x204 0x4>;
> +		reg-names	= "base", "syscfg-en"
> +		clock-names	= "lpc_wdt";
> +		clocks 		= <&clk_s_d3_flexgen CLK_LPC_0>;
> +		timeout-sec	= <600>;
> +		st,syscfg	= <&syscfg_core>;
> +		st,warm_reset;
> +	};
> +

Empty line at the end results in a whitespace error when applying.

Guenter
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