Re: [PATCH 6/9] arm64: dts: mediatek: Add MT8186 Krabby platform based Tentacruel / Tentacool

AngeloGioacchino Del Regno
2023-11-27T13:05:55Z

Il 27/11/23 05:00, Chen-Yu Tsai ha scritto:
> On Mon, Oct 23, 2023 at 5:05 PM Eugen Hristev
> <eugen.hristev@collabora.com> wrote:
>>
>> On 10/13/23 02:02, Chen-Yu Tsai wrote:
>>> Tentacruel and Tentacool are MT8186 based Chromebooks based on the
>>> Krabby design.
>>>
>>> Tentacruel, also known as the ASUS Chromebook CM14 Flip CM1402F, is a
>>> convertible device with touchscreen and stylus.
>>>
>>> Tentacool, also known as the ASUS Chromebook CM14 CM1402C, is a laptop
>>> device. It does not have a touchscreen or stylus.
>>>
>>> The two devices both have two variants. The difference is a second
>>> source touchpad controller that shares the same address as the original,
>>> but is incompatible.
>>>
>>> The extra SKU IDs for the Tentacruel devices map to different sensor
>>> components attached to the Embedded Controller. These are not visible
>>> to the main processor.
>>>
>>> Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
>>> ---
>>> arch/arm64/boot/dts/mediatek/Makefile | 4 +
>>> .../dts/mediatek/mt8186-corsola-krabby.dtsi | 130 ++
>>> .../mt8186-corsola-tentacool-sku327681.dts | 49 +
>>> .../mt8186-corsola-tentacool-sku327683.dts | 26 +
>>> .../mt8186-corsola-tentacruel-sku262144.dts | 44 +
>>> .../mt8186-corsola-tentacruel-sku262148.dts | 28 +
>>> .../boot/dts/mediatek/mt8186-corsola.dtsi | 1704 +++++++++++++++++
>>> 7 files changed, 1985 insertions(+)
>>> create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-corsola-krabby.dtsi
>>> create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-corsola-tentacool-sku327681.dts
>>> create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-corsola-tentacool-sku327683.dts
>>> create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-corsola-tentacruel-sku262144.dts
>>> create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-corsola-tentacruel-sku262148.dts
>>> create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi
>>>
>
> [...]
>
>>> diff --git a/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi b/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi
>>> new file mode 100644
>>> index 000000000000..42ebab1bafeb
>>> --- /dev/null
>>> +++ b/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi
>>> @@ -0,0 +1,1704 @@
>
> [...]
>
>>
>> Hi Chen-Yu,
>>
>> These two aud_gpio_tdm empty entries cause this message to be printed:
>>
>> [ 12.949519] mt8186_mt6366_rt1019_rt5682s sound: there is not valid
>> maps for state aud_gpio_tdm_off
>> [ 12.959025] mt8186_mt6366_rt1019_rt5682s sound: there is not valid
>> maps for state aud_gpio_tdm_on
>
> I guess we need to teach the sound driver to ignore empty pinmux states?

...and we need to teach to the bindings that the aud_gpio_tdm_{off,on} are
optional states and can be omitted.

Cheers,
Angelo

>
> ChenYu