linux-kernel - Re: [Patch v4 4/5] ARM: dts: keystone: update reset node to work with reset driver

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Message-ID: <15259908.YoiO6LMEzV@wuerfel>
Date:	Wed, 21 May 2014 16:50:55 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Ivan Khoronzhuk <ivan.khoronzhuk@...com>
Cc:	dbaryshkov@...il.com, dwmw2@...radead.org,
	santosh.shilimkar@...com, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, grant.likely@...aro.org,
	rdunlap@...radead.org, linux@....linux.org.uk,
	grygorii.strashko@...com, olof@...om.net, w-kwok2@...com,
	sboyd@...eaurora.org, devicetree@...r.kernel.org,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, m-karicheri2@...com
Subject: Re: [Patch v4 4/5] ARM: dts: keystone: update reset node to work with reset driver

On Wednesday 21 May 2014 17:27:33 Ivan Khoronzhuk wrote:
> The keystone driver requires the next additional properties:
> 
> "ti,syscon-pll" - syscon register range used to access pll controller
>                   registers in order to use reset control registers.
> "ti,syscon-dev" - syscon register range used to access device state
>                   control registers in order to use mux block
>                   registers for all watchdogs.
> 
> "ti,wdt_list"   - option to declare what watchdog are used to reboot
>                   the SoC, so set "0" WDT as default.
> 
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...com>

Same comment as what I had for the binding: it's not a register range
any more, but a phandle for a device.

> ---
>  arch/arm/boot/dts/keystone.dtsi | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi
> index 8b899ba..783da60 100644
> --- a/arch/arm/boot/dts/keystone.dtsi
> +++ b/arch/arm/boot/dts/keystone.dtsi
> @@ -78,7 +78,9 @@
>  
>                 rstctrl: reset-controller {
>                         compatible = "ti,keystone-reset";
> -                       reg = <0x023100e8 4>;   /* pll reset control reg */
> +                       ti,syscon-pll = <&pllctrl>;
> +                       ti,syscon-dev = <&devctrl>;
> +                       ti,wdt_list = <0>;
>                 };
>  

I don't see a definition for the two labels, so this will cause a
build error. It makes sense to add them in the same patch.

	Arnd
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