linux-kernel - Re: [PATCH v13 0/1] Add basic node support for MediaTek MT8186 SoC

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Date:   Tue, 2 Aug 2022 13:15:56 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Allen-KH Cheng <allen-kh.cheng@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Project_Global_Chrome_Upstream_Group@...iatek.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        Chen-Yu Tsai <wenst@...omium.org>, hsinyi@...omium.org,
        Allen-kh Cheng <allen-kh.cheng@...iatek.corp-partner.google.com>
Subject: Re: [PATCH v13 0/1] Add basic node support for MediaTek MT8186 SoC

Hi Allen,

Below some notes for myself.

On 02/08/2022 10:51, Allen-KH Cheng wrote:
> From: Allen-kh Cheng <allen-kh.cheng@...iatek.corp-partner.google.com>
> 
> MT8186 is a SoC based on 64bit ARMv8 architecture. It contains 6 CA55
> and 2 CA76 cores. MT8186 share many HW IP with MT65xx series. This
> patchset was tested on MT8186 evaluation board to shell.
> 
> This series is based on tag: next-20220728, linux-next/master
> Since we have a another dts series of mt8195 [1] which is waiting for
> review from maintainers. I remove power domains controller node from
> this mt8186 series and will update in another patch.
> 
> There are some corrections in mt8186 hardware bindings. We need to
> apply the below patches.
> https://patchwork.kernel.org/project/linux-mediatek/patch/20220725110702.11362-2-allen-kh.cheng@mediatek.com/
> https://patchwork.kernel.org/project/linux-mediatek/patch/20220725110702.11362-3-allen-kh.cheng@mediatek.com/

Both are already merged.

> https://patchwork.kernel.org/project/linux-mediatek/patch/20220720130604.14113-2-allen-kh.cheng@mediatek.com/

Acked but not yet merged.

> https://patchwork.kernel.org/project/linux-mediatek/patch/20220721014845.19044-2-allen-kh.cheng@mediatek.com/

We still have some discussions here.


Regards,
Matthias

> 
> [1]
> https://patchwork.kernel.org/project/linux-mediatek/list/?series=663978
> 
> changes since v12:
>   - remove drive-strength fom i2c pins
>   - use lowercase hex addresses in pinctrl node
>   - correct clk order in xhci0
>   - add clk26m for dma_ck
> 
> changes since v11:
>   - add #cooling-cells in cpu nodes
>   - add pmu nodes for mt8186
>   - change #interrupt-cells from 3 to 4
>   - correct interrupts property in each nodes for 4 interrupt cells
>   - remove power domains controller node
>   - move #address-cells and #size-cells into mt8186.dts
>   - remove unused ahb_cg clock in mmc0
>   - add efuse node
>   - add dsi node and remove dpi node
>   - move i2c status position in mt8186-evb.dts
>   - change i2c child nodee name in pio node to *-pins
>   - change property from mediatek,drive-strength-adv to drive-strength-microamp in i2c child nodes of pio
>   - change drive-strength value from MTK_DRIVE_4mA to 4 in i2c child nodes of pio
>   - change i2c child nodes from pins-sda-sc1 to pins-bus
>   - correct pintctrl clk names
> 
> changes since v10:
>   - remove merged PATCHes
>   - add pmu nodes
>   - add #cooling-cells
>   - change #interrupt-cells number from 3 to 4
>   - remove power domains controller node
>   - move #address-cells/#size-cells into mt8186.dts from evb dts for i2c
>   - move status = 'okay' position in i2cx
>   - fix pinctrl patternproperties name in pio
>   - add efuse node
>   - fix dsi node
>   - add #reset-cells in infracfg_ao: syscon
> 
> changes since v9:
>   - remove some merged PATCHs from series
>   - reorder nodes in dts (cpu-map)
>   - remove okay status in auxadc
>   - remove unnecessary suffix node name for i2c
>   - add pwm node
>   - add dsi-phy node
>   - add dpi node
> 
> changes since v9:
>   - add one space before equal sign of drive-strength-adv
>   - corect compatible name for big cores (ca76)
>   - use upper case of address in pinctrl
>   - add pwrap node
>   - add pwm node
> 
> changes since v8:
>   - change name from pins_bus to pins-sda-scl
>   - correct email address
>   - add capacity-dmips-mhz for each CPU
>   - add ppi-partitions in gic node
>   - change name to power-domain
>   - remove status "okay" in scp node
>   - update timer and pericfg compatible in series
> 
> changes since v7:
>   - add scp&auxadc node
> 
> changes since v6:
>   - remove unnecessary blank line
> 
> changes since v5:
>   - replace Mediatek a to MediaTek
>   - use GPL-2.0-only OR BSD-2-Clause
> 
> changes since v4:
>   - correct driver clock of mt8186
>   - add power domains controller and clock controllers
>   - add pinctrl, usb host, spi and i2c nodes
>   - add node status in mt8186-evb.dts
>   - correct some dtbs_check warnings
> 
> changes since v3:
>   - remove serial, mmc and phy patch from series. (already merged)
>   - remove mcusysoff node
>   - move oscillator nodes at the head of dts
>   - change name from usb-phy to t-phy
> 
> changes since v2:
>   - add soc {} in mt8186.dtsi
> 
> changes since v1:
>   - add dt-bindings: arm: Add compatible for MediaTek MT8186
> 
> Allen-KH Cheng (1):
>    arm64: dts: Add MediaTek MT8186 dts and evaluation board and Makefile
> 
>   arch/arm64/boot/dts/mediatek/Makefile       |   1 +
>   arch/arm64/boot/dts/mediatek/mt8186-evb.dts | 228 +++++
>   arch/arm64/boot/dts/mediatek/mt8186.dtsi    | 875 ++++++++++++++++++++
>   3 files changed, 1104 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/mediatek/mt8186-evb.dts
>   create mode 100644 arch/arm64/boot/dts/mediatek/mt8186.dtsi
>