RE: [PATCH v3 2/2] ARM: dts: imx: Add basic dts support for imx6sll EVK board

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> Subject: Re: [PATCH v3 2/2] ARM: dts: imx: Add basic dts support for imx6sll EVK
> board
> 
> On Wed, Feb 7, 2018 at 12:11 AM, Bai Ping <ping.bai@xxxxxxx> wrote:
> 
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/imx6sll-evk.dts
> > @@ -0,0 +1,374 @@
> > +/*
> > + * Copyright 2016 Freescale Semiconductor, Inc.
> > + * Copyright 2017-2018 NXP.
> > + *
> > + * SPDX-License-Identifier: (GPL-2.0 OR MIT)
> 
> The SPDX line should be the first one and it should start with //
> 
> > + */
> > +
> > +/dts-v1/;
> > +
> > +#include <dt-bindings/gpio/gpio.h>
> > +#include <dt-bindings/input/input.h>
> > +#include "imx6sll.dtsi"
> > +
> > +/ {
> > +       model = "Freescale i.MX6SLL EVK Board";
> > +       compatible = "fsl,imx6sll-evk", "fsl,imx6sll";
> > +
> > +       memory {
> 
> memory@80000000
> 
> > +               reg = <0x80000000 0x80000000>;
> 
> > +       reg_aud4v: reg-aud4v {
> > +               compatible = "regulator-fixed";
> > +               regulator-name = "wm8962-supply-4v2";
> > +               regulator-min-microvolt = <4325000>;
> > +               regulator-max-microvolt = <4325000>;
> > +               regulator-boot-on;
> > +       };
> > +
> > +       reg_lcd: reg-lcd {
> > +               compatible = "regulator-fixed";
> > +               regulator-name = "lcd-pwr";
> > +               gpio = <&gpio4 8 0>;
> 
> Please use GPIO_ACTIVE_HIGH here.
> 
> 
> > +&i2c1 {
> > +       clock-frequency = <100000>;
> > +       pinctrl-names = "default";
> > +       pinctrl-0 = <&pinctrl_i2c1>;
> > +       status = "okay";
> > +
> > +       pmic: pfuze100@08 {
> 
> Please remove the leading 0, so this should be @8.
> 
> Please build it with W=1 and make sure it generates no warnings.
> 
> > +&iomuxc {
> > +       pinctrl-names = "default";
> > +       pinctrl-0 = <&pinctrl_hog0>, <&pinctrl_hog1>;
> > +
> > +       pinctrl_hog0: hog0grp {
> > +               pinmux = <
> > +                       MX6SLL_PAD_KEY_ROW7__GPIO4_IO07
> > +                       MX6SLL_PAD_GPIO4_IO22__GPIO4_IO22
> > +                       MX6SLL_PAD_KEY_COL3__GPIO3_IO30
> > +                       MX6SLL_PAD_KEY_COL4__GPIO4_IO00
> > +                       MX6SLL_PAD_REF_CLK_32K__GPIO3_IO22 /*
> SD3 CD
> > + */
> 
> I see no SD3 pinctrl entry. If this is related to SD3 card detection, then it should
> be part of SD3 pinctrl instead of hog.
> 
> 
> > +                       MX6SLL_PAD_KEY_COL6__GPIO4_IO04 /*SD3
> RESET */
> 
> Same here.
> 
> > +                       MX6SLL_PAD_KEY_COL5__GPIO4_IO02
> > +                       MX6SLL_PAD_GPIO4_IO24__GPIO4_IO24 /* HP
> DETECT
> > + */
> 
> Does HP mean head phone? If so, this should be part of audio pinctrl instead of
> hog.
> 
> 
> > +&usdhc1 {
> > +       pinctrl-names = "default", "state_100mhz", "state_200mhz";
> > +       pinctrl-0 = <&pinctrl_usdhc1_data>, <&pinctrl_usdhc1_clk>;
> > +       pinctrl-1 = <&pinctrl_usdhc1_data_100mhz>,
> <&pinctrl_usdhc1_clk_100mhz>;
> > +       pinctrl-2 = <&pinctrl_usdhc1_data_200mhz>,
> <&pinctrl_usdhc1_clk_200mhz>;
> > +       cd-gpios = <&gpio4 7 GPIO_ACTIVE_LOW>;
> > +       wp-gpios = <&gpio4 22 GPIO_ACTIVE_HIGH>;
> > +       keep-power-in-suspend;
> > +       enable-sdio-wakeup;
> 
> This property is deprecated as described in
> Documentation/devicetree/bindings/mmc/mmc.txt.
> 
> Please use 'wakeup-source' instead.

Thanks for review, will fix all.

BR
Jacky Bai
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