Messages in this thread | | | Subject | Re: [PATCH v2 00/10] pinctrl: exynos/samsung: Add header with values used for configuration | From | Krzysztof Kozlowski <> | Date | Fri, 16 Sep 2016 13:42:41 +0200 |
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On 09/07/2016 10:20 PM, Linus Walleij wrote: > I have one comment though, if you're anyway making changes to all > the DTS files: > > On Thu, Sep 1, 2016 at 9:23 AM, Krzysztof Kozlowski > <k.kozlowski@samsung.com> wrote: > >> - samsung,pin-function = <2>; >> - samsung,pin-pud = <0>; >> - samsung,pin-drv = <0>; >> + samsung,pin-function = <EXYNOS_PIN_FUNC_2>; >> + samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; >> + samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; > > Nowadays we have standard bindings for this, see > Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt > > Section "Generic pin multiplexing node content". > > By patching the driver and bindings to accept also the standard > bindings with just function and pins and also adding support > for standard pin configurations like bias-disable > bias-pull-up with the old samsung,* bindings as a fallback > etc you can actually modernize the whole binding and > DTS looks to something simpler. > > You will find that this is how newer platforms do it. > > But it is admittedly a bigger project.
Indeed it would be nice to support generic bindings. Almost certainly I won't have time for implementing this but it looks like a good task for newcomers.
Best regards, Krzysztof
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