linux-kernel - Re: [PATCH 0/3] pinctrl: meson-g12a: add pinctrl driver support

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Date:   Sat, 14 Jul 2018 22:47:14 +0800
From:   Yixun Lan <yixun.lan@...ogic.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        <linus.walleij@...aro.org>
CC:     <yixun.lan@...ogic.com>, <carlo@...one.org>, <b.galvani@...il.com>,
        <linux-gpio@...r.kernel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        <jbrunet@...libre.com>, <khilman@...libre.com>, <robh@...nel.org>,
        <xingyu.chen@...ogic.com>, <linux-amlogic@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: Re: [PATCH 0/3] pinctrl: meson-g12a: add pinctrl driver support

Hi Martin

see my comments

On 07/14/2018 10:36 PM, Martin Blumenstingl wrote:
> On Tue, Jul 10, 2018 at 12:07 AM Martin Blumenstingl
> <martin.blumenstingl@...glemail.com> wrote:
>>
>> Hi Linus,
>>
>> On Mon, Jul 9, 2018 at 3:35 PM Linus Walleij <linus.walleij@...aro.org> wrote:
>>>
>>> On Wed, Jul 4, 2018 at 4:48 PM Yixun Lan <yixun.lan@...ogic.com> wrote:
>>>>
>>>> This patch series try to add pinctrl driver support for
>>>> the Meson-G12A SoC.
>>>>
>>>>
>>>> Yixun Lan (3):
>>>>   documentation: Add compatibles for Amlogic Meson G12A pin controllers
>>>>   dt-bindings: pinctrl: meson-g12a: document pin name
>>>>   pinctrl: meson-g12a: add pinctrl driver support
>>>
>>> Overall this looks good to me, could we get some review or ACKs
>>> from Beniamino, Martin and/or Carlo as an indication that everything
>>> seems all right before I apply the series?
>> I do not have any documentation for this hardware (I'm not even sure
>> if this is the successor to AXG/"the Audio SoCs" or rather a successor
>> of GXL or GXM/"the OTT/STB SoCs"
> for those who are interested: according to [0] the marketing name of
> this SoC will be "A311D" - specs from the linked PDF:
A311D is the G12B SoC series
This pinctrl patch is target for G12A for now, but can be very easily
extend to support G12B..
> - CPU: Quad Cortex-A73 + Dual Cortex-A53 (max frequency: TBD)
> - GPU: ARM G52 MP4 (4ppc)
> - Memory: DDR3/4 LPDDR3/4
> - Video decoding: 4K H265&VP9&AVS2
> - Video Encoding: 1080P H264 H265
> - HDMI-Tx: 4K2K
> - Ethernet: 10/100M/1000M
> - AV output: CVBS
> - IP License: Dolby, DTS
> 
> W400 is the reference board for this SoC, it comes with:
> - EMMC
> - WIFI AP6398S
> - DDR 2GB
> 
yes, W400 for G12B, and U200 for G12A

> if I had to guess then I would say it's the successor of the GXL (or
> GXM?) family
> 
Yes, successor of GXL

> 
> Regards
> Martin
> 
> 
> [0] http://openlinux.amlogic.com:8000/download/doc/Amlogic_A311D_Buildroot_Preview_Release_Notes_V20180706.pdf
> 
> .
>