linux-kernel - Re: [PATCH v2 4/6] ARM: dts: imx6qdl: Add Variscite DART-MX6 SoM support

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Message-ID: <bbbd71e2-eb31-4d43-7dfc-0ef817c5e13e@baylibre.com>
Date:   Fri, 24 Nov 2017 15:41:13 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 4/6] ARM: dts: imx6qdl: Add Variscite DART-MX6 SoM
 support

Hi Fabio,

On 24/11/2017 15:31, Fabio Estevam wrote:
> On Wed, Nov 22, 2017 at 9:02 AM, Neil Armstrong <narmstrong@...libre.com> wrote:
> 
>> +       reg_wl18xx_vmmc: regulator-wl18xx {
>> +               compatible = "regulator-fixed";
>> +               regulator-name = "vwl1807";
>> +               regulator-min-microvolt = <1800000>;
>> +               regulator-max-microvolt = <1800000>;
>> +               gpio = <&gpio7 8 GPIO_ACTIVE_HIGH>;
> 
> Is this really GPIO_ACTIVE_HIGH?
> 
> If so, then a 'enable-active-high' property would be needed.

Indeed, it's quite redundant with the GPIO_ACTIVE_* flag, but whatever.

> 
>> +&hdmi {
> 
> No ddc-i2c-bus property?

It's in the board dts.

> 
>> +       pinctrl_pmic: pmicgrp {
>> +               fsl,pins = <
>> +                       /* PMIC INT */
>> +                       MX6QDL_PAD_GPIO_17__GPIO7_IO12          0x80000000
> 
> No 0x80000000 please. Use the real IOMUX value here instead.

Ok

> 
>> +&pcie {
>> +       fsl,tx-swing-full = <103>;
>> +       fsl,tx-swing-low = <103>;
>> +       status = "disabled";
> 
> No 'reset-gpio' property?
> 

It will be in the board dts.

Neil