Re: [PATCH v4 00/19] Introduce support for MediaTek MT8192 Google Chromebooks

From: Chen-Yu Tsai
Date: Fri Jul 01 2022 - 08:45:16 EST


On Thu, Jun 30, 2022 at 12:00 AM Nícolas F. R. A. Prado
<nfraprado@xxxxxxxxxxxxx> 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.

ChenYu

[1] https://lore.kernel.org/linux-mediatek/CAGXv+5F_Gi_=vV1NSk0AGRVYCa3Q8+gBaE+nv3OJ1AKe2voOwg@xxxxxxxxxxxxxx/
[2] https://lore.kernel.org/dri-devel/20220622173605.1168416-1-pmalani@xxxxxxxxxxxx/

> v3: https://lore.kernel.org/all/20220512205602.158273-1-nfraprado@xxxxxxxxxxxxx/
> v2: https://lore.kernel.org/all/20220505194550.3094656-1-nfraprado@xxxxxxxxxxxxx/
> v1: https://lore.kernel.org/all/20220316151327.564214-1-nfraprado@xxxxxxxxxxxxx/
>
> 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
>