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SubjectRe: [PATCH 3/3] ARM: dts: imx7: add Toradex Colibri iMX7S/iMX7D support
On 2016-06-11 19:31, Shawn Guo wrote:
> On Tue, Jun 07, 2016 at 07:37:09PM -0700, Stefan Agner wrote:
>> +&lcdif {
>> + status = "okay";
>> + display = <&display0>;
>
> Please put 'status' at the bottom of property list.
>
>> +
>> + display0: lcd-display {
>> + bits-per-pixel = <16>;
>> + bus-width = <18>;
>> +
>> + display-timings {
>> + native-mode = <&timing_vga>;
>> +
>> + /* Standard VGA timing */
>> + timing_vga: 640x480 {
>> + clock-frequency = <25175000>;
>> + hactive = <640>;
>> + vactive = <480>;
>> + hback-porch = <40>;
>> + hfront-porch = <24>;
>> + vback-porch = <32>;
>> + vfront-porch = <11>;
>> + hsync-len = <96>;
>> + vsync-len = <2>;
>> + de-active = <1>;
>> + hsync-active = <0>;
>> + vsync-active = <0>;
>> + pixelclk-active = <0>;
>> + };
>> + };
>> + };
>> +};
>
> <snip>
>
>> +&usdhc1 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_cd_usdhc1>;
>> + no-1-8-v;
>> + cd-gpios = <&gpio1 0 0>;
>
> Use the macro in include/dt-bindings/gpio/gpio.h.
>
>> + enable-sdio-wakeup;
>
> This is deprecated. Please use wakeup-source instead.
>
>> + fsl,tuning-step = <2>;
>> + keep-power-in-suspend;
>> + status = "okay";
>> +};
>
> <snip>
>
>> +&fec1 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_enet1>;
>> + clocks = <&clks IMX7D_ENET_AXI_ROOT_CLK>,
>> + <&clks IMX7D_ENET_AXI_ROOT_CLK>,
>> + <&clks IMX7D_ENET1_TIME_ROOT_CLK>,
>> + <&clks IMX7D_PLL_ENET_MAIN_50M_CLK>;
>> + clock-names = "ipg", "ahb", "ptp", "enet_clk_ref";
>> +
>
> Drop this newline.
>
>> + assigned-clocks = <&clks IMX7D_ENET1_TIME_ROOT_SRC>,
>> + <&clks IMX7D_ENET1_TIME_ROOT_CLK>;
>> + assigned-clock-parents = <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>;
>> + assigned-clock-rates = <0>, <100000000>;
>> + phy-mode = "rmii";
>> + phy-supply = <&reg_LDO1>;
>> + fsl,magic-packet;
>> +};
>
> <snip>
>
>> +&uart1 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_uart1 &pinctrl_uart1_ctrl1 &pinctrl_uart1_ctrl2>;
>> + assigned-clocks = <&clks IMX7D_UART1_ROOT_SRC>;
>> + assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
>> + fsl,uart-has-rtscts;
>
> Please use generic 'uart-has-rtscts' instead.
>
>> + fsl,dte-mode;
>> +};
>> +
>> +&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;
>
> Ditto
>
>> + fsl,dte-mode;
>> +};

Agreed on all the stuff above.

>
> <snip>
>
>> +/ {
>> + model = "Toradex Colibri iMX7D on Colibri Evaluation Board V3";
>> + compatible = "toradex,colibri_imx7d-eval", "toradex,colibri_imx7d", \
>
> We always use hyphen than underscore in compatible string.

We always used underscores, this goes back to the first Colibri specific
device tree: tegra20-iris-512.dts.

I would rather prefer to not change this for the sake of consistency...
What do you think?

>
>> + "fsl,imx7d";
>> +
>> + reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
>> + compatible = "regulator-fixed";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_usbotg2_reg>;
>> + regulator-name = "VCC_USB[1-4]";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + gpio = <&gpio4 7 GPIO_ACTIVE_LOW>;
>> + };
>> +};
>> +/ {
>> + model = "Toradex Colibri iMX7S on Colibri Evaluation Board V3";
>> + compatible = "toradex,colibri_imx7s-eval", "toradex,colibri_imx7s", \
>> + "fsl,imx7s", "fsl,imx7d";
>
> You may not want to have "fsl,imx7d" here. Otherwise, the detection
> between imx7s and imx7d colibri-eval-v3 board will be difficult.

Yeah my idea behind this is that "imx7d" is still kind of the base name
of that SoC. But I agree for the bindings it does not make that much
sense.

I have to add imx7s to arch/arm/mach-imx/mach-imx7d.c though.

--
Stefan

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