Re: [PATCH v2] ARM: dts: Add cros_ec to exynos5420-peach-pit and exynos5800-peach-pi

From: Doug Anderson
Date: Tue Jun 24 2014 - 12:28:59 EST


Tushar,

On Mon, Jun 23, 2014 at 11:43 PM, Tushar Behera <trblinux@xxxxxxxxx> wrote:
> On 06/24/2014 02:19 AM, Doug Anderson wrote:
>> This adds cros_ec to exynos5420-peach-pit and exynos5800-peach-pi,
>> including:
>> * The keyboard
>> * The i2c tunnel
>> * The tps65090 under the i2c tunnel
>> * The battery under the i2c tunnel
>>
>> To add extra motivation, it should be noted that tps65090 is one of
>> the things needed to get display-related FETs turned on for pit and
>> pi.
>>
>> Note that this relies on a few outstanding changes:
>> * Needs (spi: s3c64xx: fix broken "cs_gpios" usage in the driver) and
>> (spi: s3c64xx: for DT platofrms always get the chipselect info from
>> DT node) to work properly and match the documented bindings. See
>> <https://patchwork.kernel.org/patch/4346701/> and
>> <https://patchwork.kernel.org/patch/4346711/>
>>
>> Signed-off-by: Doug Anderson <dianders@xxxxxxxxxxxx>
>> Tested-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
>
> Along with the dependency patches on next-20140623, tested keyboard on
> Peach-Pi board.
>
> Tested-by: Tushar Behera <tushar.b@xxxxxxxxxxx>
>
> Some comments below.
>
>> ---
>> Changes in v2:
>> - Now just one patch since mfd patch landed.
>> - Rebased to ToT linux-next
>>
>> arch/arm/boot/dts/exynos5420-peach-pit.dts | 145 +++++++++++++++++++++++++++++
>> arch/arm/boot/dts/exynos5800-peach-pi.dts | 145 +++++++++++++++++++++++++++++
>> 2 files changed, 290 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
>> index 7649982..581f385 100644
>> --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
>> +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
>
>> + regulators {
>> + dcdc1 {
>> + ti,enable-ext-control;
>> + };
>> + dcdc2 {
>> + ti,enable-ext-control;
>> + };
>> + dcdc3 {
>> + ti,enable-ext-control;
>> + };
>> + fet1 {
>
> "tps65090_fet1: fet1 {" ?
>
>> + regulator-name = "vcd_led";
>> + };
>> + tps65090_fet2: fet2 {
>
> I would suggest we add similar labels to fet1, fet3, fet4, fet5 and fet6
> also. That way it would be easy to reference them in subsequent DT nodes.
>
> Same comment for Peach-Pi dts file too.

OK. I added it to all the regulators in tps65090. That'll probably
be useful for Javier in his max77802 work.

-Doug
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