linux-kernel - Re: [linux-sunxi] [PATCH v6] arm64: allwinner: a64: Add initial NanoPi A64 support

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Message-ID: <CAGb2v64cbogGW4yMVEvzPQibQisEoYwcrxv2MKuWQ_hS7HxpLQ@mail.gmail.com>
Date:   Tue, 15 Aug 2017 12:09:56 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Jagan Teki <jagannadh.teki@...il.com>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Icenowy Zheng <icenowy@...c.io>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        yftan <yftan@...endlyarm.com>,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: Re: [linux-sunxi] [PATCH v6] arm64: allwinner: a64: Add initial
 NanoPi A64 support

On Tue, Aug 15, 2017 at 11:51 AM, Jagan Teki <jagannadh.teki@...il.com> wrote:
> On Tue, Aug 15, 2017 at 9:14 AM, Chen-Yu Tsai <wens@...e.org> wrote:
>> On Mon, Aug 14, 2017 at 6:36 PM, Jagan Teki <jagannadh.teki@...il.com> wrote:

[...]

>>> +/* i2c1 connected with gpio headers like pine64, bananapi */
>>> +&i2c1 {
>>> +       pinctrl-names = "default";
>>> +       pinctrl-0 = <&i2c1_pins>;
>>> +       status = "okay";
>>
>> So I rechecked some of the current dts files we have. We typically
>> don't enable peripherals by default if they are on some generic
>> expansion header. We do however allow listing them with an explicit
>>
>>     status = "disabled";
>>
>> Users are free to enable it themselves. The listing lets them enable
>> it from U-boot with a single fdt command.

[...]

>>> +&reg_dldo1 {
>>> +       regulator-always-on;
>>> +       regulator-min-microvolt = <3300000>;
>>> +       regulator-max-microvolt = <3300000>;
>>> +       /* Same used for vcc-dsi */
>>> +       regulator-name = "vcc-hdmi";
>>
>> We normally just tack on all the consumers to the name, so
>> "vcc-hdmi-dsi" in this case.
>>
>>> +};
>>> +
>>> +&reg_dldo4 {
>>> +       regulator-always-on;
>>> +       regulator-min-microvolt = <3000000>;
>>> +       regulator-max-microvolt = <3000000>;
>>> +       /* Same used for vdd_wifi-io */
>>> +       regulator-name = "vcc-pg";
>>
>> And "vcc-pg-wifi-io" here.
>>
>> I can fix up these bits when applying, if you are OK with the changes.
>
> OK, please make necessary changes.
>
> thanks!

Done. Please check the results of both your patches here:

https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git/log/?h=sunxi/dt64-for-4.14

ChenYu