Hi Minkyu,
On 15 May 2014 00:51, Minkyu Kang <mk7.k...@samsung.com> wrote:
> On 03/04/14 08:24, Simon Glass wrote:
>> Enable LCD for snow. This is a 1366 x 768 panel.
>>
>> Signed-off-by: Simon Glass <s...@chromium.org>
>> ---
>>
>> Changes in v2:
>> - Add a device tree node for the snow EDP bridge chip
>>
>> arch/arm/dts/exynos5250-snow.dts | 57
>> ++++++++++++++++++++++++++++++++++++++++
>> 1 file changed, 57 insertions(+)
>>
>> diff --git a/arch/arm/dts/exynos5250-snow.dts
>> b/arch/arm/dts/exynos5250-snow.dts
>> index 42a687b..2a6bc78 100644
>> --- a/arch/arm/dts/exynos5250-snow.dts
>> +++ b/arch/arm/dts/exynos5250-snow.dts
>> @@ -88,6 +88,19 @@
>> reg = <0x22>;
>> compatible = "maxim,max98095-codec";
>> };
>> +
>> + ptn3460-bridge@20 {
>> + compatible = "nxp,ptn3460";
>> + reg = <0x20>;
>> + /*
>> + * TODO(s...@chromium.org): Exynos GPIOs broken
>> + * powerdown-gpio = <&gpy2 5 0>;
>> + * reset-gpio = <&gpx1 5 0>;
>> + * edid-emulation = <5>;
>> + * pinctrl-names = "default";
>> + * pinctrl-0 = <&ptn3460_gpios>;
>> + */
>
> Now you can use GPIOs.
Yes it is a big help. However, I would like to make this change in a
follow-on series. It involves changing the code to stop hard-coding
the GPIOs. But there are many GPIOs involved, not just this bridge
chip, and not just the LCD. So I think we need a separate series after
this one to move the GPIOs to the device tree.
Regards,
Simon
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