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Message-ID: <CACGtqyxxF09Wd5P_oUXt_4QEFWbojnEwEwTKN_zCvkdhTyBH9A@mail.gmail.com>
Date: Mon, 5 Feb 2018 11:42:30 -0800
From: Yung-Ching LIN <yungching0725@...il.com>
To: Shawn Guo <shawnguo@...nel.org>
Cc: kernel@...gutronix.de, robh+dt@...nel.org, mark.rutland@....com,
Russell King - ARM Linux <linux@...linux.org.uk>,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: imx: Add support for Advantech DMS-BA16
Hi Shawn,
Will apply all the changes required to the v2.
Thank you for your comments and detailed reviews.
On Mon, Feb 5, 2018 at 6:12 AM, Shawn Guo <shawnguo@...nel.org> wrote:
> On Mon, Feb 05, 2018 at 02:45:14AM +0800, Ken Lin wrote:
>> Add support for Advantech DMS-BA16 board, which use
>> the Advantech BA-16 module.
>>
>> Signed-off-by: Ken Lin <yungching0725@...il.com>
>> ---
>> arch/arm/boot/dts/Makefile | 1 +
>> arch/arm/boot/dts/imx6q-dms-ba16.dts | 154 +++++++++++++++++++++++++++++++++++
>> 2 files changed, 155 insertions(+)
>> create mode 100644 arch/arm/boot/dts/imx6q-dms-ba16.dts
>>
>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>> index ade7a38543dc..d97511273f30 100644
>> --- a/arch/arm/boot/dts/Makefile
>> +++ b/arch/arm/boot/dts/Makefile
>> @@ -428,6 +428,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>> imx6q-b450v3.dtb \
>> imx6q-b650v3.dtb \
>> imx6q-b850v3.dtb \
>> + imx6q-dms-ba16.dtb \
>> imx6q-cm-fx6.dtb \
>> imx6q-cubox-i.dtb \
>> imx6q-cubox-i-emmc-som-v15.dtb \
>> diff --git a/arch/arm/boot/dts/imx6q-dms-ba16.dts b/arch/arm/boot/dts/imx6q-dms-ba16.dts
>> new file mode 100644
>> index 000000000000..4c5e17a17cbd
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/imx6q-dms-ba16.dts
>> @@ -0,0 +1,154 @@
>> +/*
>> + * Copyright 2018 Advantech Corporation
>> + *
>> + * The code contained herein is licensed under the GNU General Public
>> + * License. You may obtain a copy of the GNU General Public License
>> + * Version 2 or later at the following locations:
>> + *
>> + * http://www.opensource.org/licenses/gpl-license.html
>> + * http://www.gnu.org/copyleft/gpl.html
>> + */
>
> Please use SPDX tag.
>
>> +
>> +/dts-v1/;
>> +
>> +#include <dt-bindings/gpio/gpio.h>
>> +#include "imx6q-ba16.dtsi"
>> +
>> +/ {
>> + model = "Advantech DMS-BA16";
>> + compatible = "fsl,imx6q-dms-ba16", "fsl,imx6q";
>> +
>> + clocks {
>> + mclk: clock@0 {
>
> Please give it an unique name like clock-xxx and put it directly under
> root, and drop unit-address and 'reg' property.
>
>> + compatible = "fixed-clock";
>> + reg = <0>;
>> + #clock-cells = <0>;
>> + clock-frequency = <22000000>;
>> + };
>> + };
>> +
>> + sound {
>> + compatible = "fsl,imx6q-ba16-sgtl5000",
>> + "fsl,imx-audio-sgtl5000";
>> + model = "imx6q-ba16-sgtl5000";
>> + ssi-controller = <&ssi1>;
>> + audio-codec = <&sgtl5000>;
>> + audio-routing =
>> + "MIC_IN", "Mic Jack",
>> + "Mic Jack", "Mic Bias",
>> + "Headphone Jack", "HP_OUT";
>> + mux-int-port = <1>;
>> + mux-ext-port = <4>;
>> + };
>> +
>> + reg_usb_otg_vbus: regulator-usbotgvbus {
>> + compatible = "regulator-fixed";
>> + regulator-name = "usb_otg_vbus";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_usbotgvbus>;
>> + gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
>> + enable-active-high;
>> + };
>> +};
>> +
>> +&iomuxc {
>> +
>> + pinctrl_usbotgvbus: usbotgvbusgrp {
>
> Please sort pinctrl entries alphabetically.
>
>> + fsl,pins = <
>> + MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x000b0
>> + MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x17059
>> + >;
>> + };
>> +
>> + pinctrl_i2c1_gpio: i2c1gpiogrp {
>> + fsl,pins = <
>> + MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x1b0b0
>> + MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x1b0b0
>> + >;
>> + };
>> +
>> + pinctrl_i2c2_gpio: i2c2gpiogrp {
>> + fsl,pins = <
>> + MX6QDL_PAD_KEY_COL3__GPIO4_IO12 0x1b0b0
>> + MX6QDL_PAD_KEY_ROW3__GPIO4_IO13 0x1b0b0
>> + >;
>> + };
>> +
>> + pinctrl_i2c3_gpio: i2c3gpiogrp {
>> + fsl,pins = <
>> + MX6QDL_PAD_GPIO_3__GPIO1_IO03 0x1b0b0
>> + MX6QDL_PAD_GPIO_6__GPIO1_IO06 0x1b0b0
>> + >;
>> + };
>> +};
>> +
>> +&ecspi5 {
>> + fsl,spi-num-chipselects = <1>;
>
> The property is obsoleted, and shouldn't be needed any more.
>
>> + cs-gpios = <&gpio1 17 0>;
>
> Use polarity defines in dt-bindings/gpio/gpio.h.
>
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_ecspi5>;
>> + status = "okay";
>> +
>> + m25_eeprom: m25p80@0 {
>> + compatible = "atmel,at25";
>> + spi-max-frequency = <20000000>;
>> + size = <0x8000>;
>> + pagesize = <64>;
>> + reg = <0>;
>> + address-width = <16>;
>> + };
>> +};
>> +
>> +&i2c1 {
>> + clock-frequency = <100000>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_i2c1>;
>> + status = "okay";
>> +
>> + sgtl5000: codec@0a {
>
> Drop the leading zeros in unit-address.
>
>> + compatible = "fsl,sgtl5000";
>> + reg = <0x0a>;
>> + clocks = <&mclk>;
>> + lrclk-strength = <0x3>;
>> + VDDA-supply = <®_1p8v>;
>> + VDDIO-supply = <®_3p3v>;
>> + };
>> +};
>> +
>> +&usbotg {
>> + vbus-supply = <®_usb_otg_vbus>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_usbotg>;
>> + dr_mode = "otg";
>> + disable-over-current;
>> + status = "okay";
>> +};
>> +
>> +&sata {
>> + fsl,no-spread-spectrum;
>> + fsl,transmit-atten-16ths = <12>;
>> + fsl,transmit-boost-mdB = <3330>;
>> + fsl,transmit-level-mV = <1133>;
>> + fsl,receive-dpll-mode = <1>;
>> + status = "okay";
>> +};
>> +
>> +&usdhc4 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_usdhc4>;
>> + bus-width = <8>;
>> + cd-gpios = <&gpio6 11 1>;
>
> Polarity defines.
>
>> + no-1-8-v;
>> + keep-power-in-suspend;
>> + enable-sdio-wakeup;
>
> Use property 'wakeup-source' instead.
>
>> + status = "okay";
>> +};
>> +
>> +&pwm2 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_pwm2>;
>> + status = "okay";
>> +};
>
> Please sort these labelled nodes alphabetically.
>
> Shawn
>
>> +
>> --
>> 2.11.0
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