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Message-ID: <bffad9a5-6154-3b9a-c39c-680ed3350a5f@collabora.com>
Date:   Tue, 5 Jul 2022 17:01:41 +0200
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Subject: Re: [PATCH v4 00/19] Introduce support for MediaTek MT8192 Google
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To:     =?UTF-8?B?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= 
        <nfraprado@collabora.com>, Chen-Yu Tsai <wenst@chromium.org>
Cc:     Matthias Brugger <matthias.bgg@gmail.com>, kernel@collabora.com,
        Allen-KH Cheng <allen-kh.cheng@mediatek.com>,
        Fabien Parent <fparent@baylibre.com>,
        Hsin-Yi Wang <hsinyi@chromium.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Luca Weiss <luca@z3ntu.xyz>, Maxim Kutnij <gtk3@inbox.ru>,
        Rob Herring <robh+dt@kernel.org>,
        Sam Shih <sam.shih@mediatek.com>,
        Sean Wang <sean.wang@mediatek.com>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-mediatek@lists.infradead.org
References: <20220629155956.1138955-1-nfraprado@collabora.com>
 <CAGXv+5Epmo1=DZvoFkqj57hiO8nim=cuP1v3i9b2diZwqBe3Mw@mail.gmail.com>
 <20220701150145.2myyk2o3vxydyhql@notapiano>
 <CAGXv+5FsTNKgWG75eSKt4ngnhmSekWNT+oS1ke+P4tazHDdnzQ@mail.gmail.com>
 <20220705135611.jlfltaormhcpuutc@notapiano>
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
In-Reply-To: <20220705135611.jlfltaormhcpuutc@notapiano>
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Il 05/07/22 15:56, Nícolas F. R. A. Prado ha scritto:
> On Tue, Jul 05, 2022 at 12:03:08PM +0800, Chen-Yu Tsai wrote:
>> On Fri, Jul 1, 2022 at 11:01 PM Nícolas F. R. A. Prado
>> <nfraprado@collabora.com> wrote:
>>>
>>> On Fri, Jul 01, 2022 at 08:44:53PM +0800, Chen-Yu Tsai wrote:
>>>> On Thu, Jun 30, 2022 at 12:00 AM Nícolas F. R. A. Prado
>>>> <nfraprado@collabora.com> wrote:
>>>>>
>>>>>
>>>>> This series introduces Devicetrees for the MT8192-based Asurada platform
>>>>> as well as Asurada Spherion and Asurada Hayato boards.
>>>>>
>>>>> Support for the boards is added to the extent that is currently enabled
>>>>> in the mt8192.dtsi, and using only properties already merged in the
>>>>> dt-bindings, as to not add any dependencies to this series.
>>>>>
>>>>> This series was peer-reviewed internally before submission.
>>>>>
>>>>> Series tested on next-20220629.
>>>>
>>>> Just FYI I also got the internal display to work after some fixes to
>>>> the dtsi [1] and copying the stuff over from the ChromeOS kernel tree.
>>>>
>>>> It might be harder to enable the external display, given that we don't
>>>> have a good way of describing the weird design of using the DP bridge
>>>> also as a mux. See [2] for ongoing discussion.
>>>
>>> Hi ChenYu,
>>>
>>> I actually have both the internal and external display working on my local
>>> branch [1], but the commits there aren't final, and I'm also following the
>>> Type-C switch discussion to update my commits whenever the binding is settled
>>> on.
>>
>> I see. I think the internal display part is more or less final. It should
>> be worth including it, as it is a fairly visible indication that things
>> are working.
> 
> Yeah, it is final, but not all of the display-related nodes in mt8192.dtsi have
> been merged yet [1] and I didn't want to introduce dependencies to the series.
> 
> If that series gets merged before this one, I could add the display to this
> series as well, but I'm just worried that by introducing new commits with almost
> every new series version, this series might never get reviewed and merged, and
> this series is pretty big already. So I'd prefer to leave the display for a
> following series.
> 
> Thanks,
> Nícolas
> 
> [1] https://lore.kernel.org/all/20220701090547.21429-1-allen-kh.cheng@mediatek.com
> 

Matthias, can you please give an advice on that?

Thank you,
Angelo


>>
>> ChenYu
>>
>>> I noticed the lack of the mandatory display aliases in the mt8192 series but
>>> somehow missed mentioning that in the review, so thanks for adding that.
>>>
>>> Thanks,
>>> Nícolas
>>>
>>> [1] https://gitlab.collabora.com/nfraprado/linux/-/commits/mt8192-asurada
>>>
>>>>
>>>> ChenYu
>>>>
>>>> [1] https://lore.kernel.org/linux-mediatek/CAGXv+5F_Gi_=vV1NSk0AGRVYCa3Q8+gBaE+nv3OJ1AKe2voOwg@mail.gmail.com/
>>>> [2] https://lore.kernel.org/dri-devel/20220622173605.1168416-1-pmalani@chromium.org/
>>>>
>>>>> v3: https://lore.kernel.org/all/20220512205602.158273-1-nfraprado@collabora.com/
>>>>> v2: https://lore.kernel.org/all/20220505194550.3094656-1-nfraprado@collabora.com/
>>>>> v1: https://lore.kernel.org/all/20220316151327.564214-1-nfraprado@collabora.com/
>>>>>
>>>>> Changes in v4:
>>>>> - Added patches 17-19 enabling MMC, SCP and SPI NOR flash
>>>>> - Switched mediatek,drive-strength-adv for drive-strength-microamp
>>>>> - Switched mediatek,pull-up-adv for bias-pull-up
>>>>> - Updated Vgpu minimum voltage to appropriate value
>>>>>
>>>>> Changes in v3:
>>>>> - Renamed regulator nodes to be generic
>>>>> - Fixed keyboard layout for Hayato
>>>>>
>>>>> Changes in v2:
>>>>> - Added patches 1-2 for Mediatek board dt-bindings
>>>>> - Added patches 13-16 enabling hardware for Asurada that has since been
>>>>>    enabled on mt8192.dtsi
>>>>>
>>>>> Nícolas F. R. A. Prado (19):
>>>>>    dt-bindings: arm64: dts: mediatek: Add mt8192-asurada-spherion
>>>>>    dt-bindings: arm64: dts: mediatek: Add mt8192-asurada-hayato
>>>>>    arm64: dts: mediatek: Introduce MT8192-based Asurada board family
>>>>>    arm64: dts: mediatek: asurada: Document GPIO names
>>>>>    arm64: dts: mediatek: asurada: Add system-wide power supplies
>>>>>    arm64: dts: mediatek: asurada: Enable and configure I2C and SPI busses
>>>>>    arm64: dts: mediatek: asurada: Add ChromeOS EC
>>>>>    arm64: dts: mediatek: asurada: Add keyboard mapping for the top row
>>>>>    arm64: dts: mediatek: asurada: Add Cr50 TPM
>>>>>    arm64: dts: mediatek: asurada: Add Elan eKTH3000 I2C trackpad
>>>>>    arm64: dts: mediatek: asurada: Add I2C touchscreen
>>>>>    arm64: dts: mediatek: spherion: Add keyboard backlight
>>>>>    arm64: dts: mediatek: asurada: Enable XHCI
>>>>>    arm64: dts: mediatek: asurada: Enable PCIe and add WiFi
>>>>>    arm64: dts: mediatek: asurada: Add MT6359 PMIC
>>>>>    arm64: dts: mediatek: asurada: Add SPMI regulators
>>>>>    arm64: dts: mediatek: asurada: Enable MMC
>>>>>    arm64: dts: mediatek: asurada: Enable SCP
>>>>>    arm64: dts: mediatek: asurada: Add SPI NOR flash memory
>>>>>
>>>>>   .../devicetree/bindings/arm/mediatek.yaml     |  13 +
>>>>>   arch/arm64/boot/dts/mediatek/Makefile         |   2 +
>>>>>   .../dts/mediatek/mt8192-asurada-hayato-r1.dts |  47 +
>>>>>   .../mediatek/mt8192-asurada-spherion-r0.dts   |  62 ++
>>>>>   .../boot/dts/mediatek/mt8192-asurada.dtsi     | 959 ++++++++++++++++++
>>>>>   5 files changed, 1083 insertions(+)
>>>>>   create mode 100644 arch/arm64/boot/dts/mediatek/mt8192-asurada-hayato-r1.dts
>>>>>   create mode 100644 arch/arm64/boot/dts/mediatek/mt8192-asurada-spherion-r0.dts
>>>>>   create mode 100644 arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
>>>>>
>>>>> --
>>>>> 2.36.1
>>>>>