linux-kernel - Re: [PATCH 1/8] ARM: dts: imx7d-sbc-iot: add initial iot gateway dts

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Date:   Tue, 5 Dec 2017 12:58:44 -0800
From:   Tyler Baker <tyler@...nsourcefoundries.com>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Fabio Estevam <fabio.estevam@....com>,
        Sascha Hauer <kernel@...gutronix.de>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Ilya Ledvich <ilya@...pulab.co.il>
Subject: Re: [PATCH 1/8] ARM: dts: imx7d-sbc-iot: add initial iot gateway dts

On Fri, Dec 1, 2017 at 12:10 PM, Fabio Estevam <festevam@...il.com> wrote:
> On Thu, Nov 30, 2017 at 6:14 PM,  <tyler@...nsourcefoundries.com> wrote:
>
>> +&ecspi3 {
>> +       fsl,spi-num-chipselects = <1>;
>
> Please remove this property. It is no longer used.

Ack.

>
>
>> +       dvicape@39 {
>> +               compatible = "sil164_simple";
>
> This compatible string does not exist.

I'm going to drop this, and address the display hardware it in a later series.

>
>
>
>> +&lcdif {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&pinctrl_lcdif_dat
>> +                    &pinctrl_lcdif_ctrl>;
>> +       display = <&display0>;
>> +       status = "okay";
>> +
>> +       display0: display {
>> +               bits-per-pixel = <24>;
>> +               bus-width = <24>;
>> +
>> +               display-timings {
>> +                       native-mode = <&timing0>;
>> +                       timing0: dvi {
>> +                               /* 1024x768p60 */
>> +                               clock-frequency = <65000000>;
>> +                               hactive = <1024>;
>> +                               hfront-porch = <40>;
>> +                               hback-porch = <220>;
>> +                               hsync-len = <60>;
>> +                               vactive = <768>;
>> +                               vfront-porch = <7>;
>> +                               vback-porch = <21>;
>> +                               vsync-len = <10>;
>> +
>> +                               hsync-active = <0>;
>> +                               vsync-active = <0>;
>> +                               de-active = <1>;
>> +                               pixelclk-active = <0>;
>
> Which panel is this? Could you use a simple panel driver compatible
> string instead?

I'll switch to a simple panel driver and do some more testing. Will
submit a follow up series to address the LCD panel and dvi cape.

>
>
>> +                       };
>> +               };
>> +       };
>> +};
>> +
>> +&uart2 {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&pinctrl_uart2>;
>> +       assigned-clocks = <&clks IMX7D_UART2_ROOT_SRC>;
>> +       assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
>> +       fsl,uart-has-rtscts;
>
> Please use 'uart-has-rtscts' instead.

Ack.

>
>> +       status = "okay";
>> +};
>> +
>> +&uart5 {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&pinctrl_uart5>;
>> +       assigned-clocks = <&clks IMX7D_UART5_ROOT_SRC>;
>> +       assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
>> +       fsl,uart-has-rtscts;
>
> Ditto.

Ack.

>
>> +       status = "okay";
>> +};
>> +
>> +&uart7 {
>> +       pinctrl-names = "default";
>> +       pinctrl-0 = <&pinctrl_uart7>;
>> +       assigned-clocks = <&clks IMX7D_UART7_ROOT_SRC>;
>> +       assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
>> +       fsl,uart-has-rtscts;
>
> Ditto

Ack.