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

Chen-Yu Tsai
2023-11-27T04:00:22Z

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?

ChenYu