On Wed, Oct 26, 2016 at 05:56:37PM +0100, Steve Twiss wrote:
> From: Steve Twiss <stwiss.opensource@xxxxxxxxxxx>
>
> Add binding information for DA9062 and DA9061 watchdog.
>
> Example bindings for both devices are added.
>
> The original binding for DA9062 (only) used to reside inside the
> Documentation/devicetree/bindings/mfd/da9062.txt MFD document.
> The da9062-watchdog section was deleted in that file and replaced
> with a link to the new DA9061/62 binding information stored in this
> patch.
>
> Signed-off-by: Steve Twiss <stwiss.opensource@xxxxxxxxxxx>
>
> ---
> This patch applies against linux-next and v4.8
>
> v1 -> v2
> - Patch renamed from [PATCH V1 07/10] to [PATCH V2 02/10] -- these
> changes were made to fix checkpatch warnings caused by the patch
> set dependency order
> - Updated the patch description to be explicit about where parts of
> this binding had originally been stored
> - A second example for DA9061 is provided to highlight the use of a
> fall-back compatible option for the DA9062 watchdog driver
>
> Hi,
>
> This patch depends on the acceptance of DA9061 watchdog driver:
> [PATCH V2 08/10] watchdog: da9061: watchdog driver
>
> This previous [PATCH V1 07/10] was acked-by: Rob Herring, however changes
> in the Linux device driver have meant an additional binding example is
> necessary to describe the use of DA9061.
>
> The Linux device driver changes for DA9061 were rejected after
> conversations with the watchdog maintainers, specifically about
> compatibility between DA9061 and DA9062 watchdog hardware components. In
> the case of the watchdog the DA9062 device driver is compatible with the
> DA9061 and for this reason there is minimal change required to the DA9062
> watchdog device driver and so the example for the DA9061 watchdog shows
> the use of a fall-back compatible string.
>
> Regards,
> Steve Twiss, Dialog Semiconductor Ltd.
>
>
> .../devicetree/bindings/watchdog/da9062-wdt.txt | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
>
> diff --git a/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
> new file mode 100644
> index 0000000..1f8255c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
> @@ -0,0 +1,21 @@
> +* Dialog Semiconductor DA9062/61 Watchdog Timer
> +
> +Required properties:
> +- compatible: "dlg,da9062-watchdog"
> + "dlg,da9061-watchdog"
Similar comment here. List each valid combination.
> +
> +Example: DA9062
> +
> + pmic0: da9062@58 {
> + watchdog {
> + compatible = "dlg,da9062-watchdog";
> + };
> + };
> +
> +Example: DA9061 using a fall-back compatible for the DA9062 watchdog driver
> +
> + pmic0: da9061@58 {
> + watchdog {
> + compatible = "dlg,da9061-watchdog", "dlg,da9062-watchdog";
> + };
> + };
> --
> end-of-patch for PATCH V2
>
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