[RFC PATCH 2/2] ARM: i.MX: dts: add fsl, imx25-wdt compatible to all relevant watchdog nodes

Baruch Siach baruch at tkos.co.il
Sun Sep 25 21:34:19 PDT 2016


Hi Vladimir,

On Mon, Sep 26, 2016 at 03:39:21AM +0300, Vladimir Zapolskiy wrote:
> Watchdog device controller found on all modern SoCs from i.MX series
> and firstly introduced in i.MX25 is not one in one compatible with the
> watchdog controllers on i.MX21, i.MX27 and i.MX31, the latter
> controlles don't have WICR (and pretimeout notification support) and
> WMCR registers. To get benefit from the more advanced watchdog device
> and to avoid operations over non-existing registers on legacy SoCs add
> fsl,imx25-wdt compatible to descriptions of all i.MX25 compatible
> watchdog controllers.

Maybe also update Documentation/devicetree/bindings/watchdog/fsl-imx-wdt.txt? 
In a separate patch.

baruch

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