RE: [PATCH] ARM: dts: add pin state information for DP HPD support toExynos5250
From: Kukjin Kim
Date: Mon Jun 10 2013 - 04:35:27 EST
Doug Anderson wrote:
>
> Jingoo,
>
> On Sat, May 11, 2013 at 1:09 AM, Jingoo Han <jg1.han@xxxxxxxxxxx> wrote:
> > Add pin state information for DP HPD support that requires
> > pin configuration support using pinctrl interface.
> >
> > Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
> > ---
> > Tested on Exynos5250
> >
> > arch/arm/boot/dts/exynos5250-pinctrl.dtsi | 7 +++++++
> > arch/arm/boot/dts/exynos5250-smdk5250.dts | 3 +++
> > 2 files changed, 10 insertions(+), 0 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
> > index d1650fb..e9cdee3 100644
> > --- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
> > +++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi
> > @@ -553,6 +553,13 @@
> > samsung,pin-pud = <0>;
> > samaung,pin-drv = <0>;
> > };
> > +
> > + dp_hpd: dp_hpd {
> > + samsung,pins = "gpx0-7";
> > + samsung,pin-function = <3>;
> > + samsung,pin-pud = <0>;
> > + samaung,pin-drv = <0>;
> > + };
> > };
> >
> > pinctrl@13400000 {
> > diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> > index 3e0c792..d53ea34 100644
> > --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
> > +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> > @@ -224,6 +224,9 @@
> > samsung,color-depth = <1>;
> > samsung,link-rate = <0x0a>;
> > samsung,lane-count = <4>;
> > +
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&dp_hpd>;
>
> I was going to suggest moving this to exynos5250.dtsi but then
> realized that I saw a board recently that used a non-standard HPD pin
> recently! ...so keeping it in the board file (like you've done) is
> good.
>
> ...so looks good to me.
>
> Reviewed-by: Doug Anderson <dianders@xxxxxxxxxxxx>
Yeah, I agreed with Doug's comment :-)
Applied, thanks.
- Kukjin
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