linux-kernel - Re: [v3] ARM: dts: imx: Add support for Advantech DMS-BA16

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Message-ID: <20180208090345.GH31910@dragon>
Date:   Thu, 8 Feb 2018 17:03:46 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Ken Lin <yungching0725@...il.com>
Cc:     kernel@...gutronix.de, fabio.estevam@....com, robh+dt@...nel.org,
        mark.rutland@....com, linux@...linux.org.uk,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [v3] ARM: dts: imx: Add support for Advantech DMS-BA16

On Wed, Feb 07, 2018 at 03:17:04AM +0800, Ken Lin wrote:
> Add support for Advantech DMS-BA16 board, which uses
> the Advantech BA-16 module.
> 
> Signed-off-by: Ken Lin <yungching0725@...il.com>
> ---
> Changes in v3:
> - Fix the SPDX lines issue
> - Fix the eeprom setting issue
> 
>  arch/arm/boot/dts/Makefile           |   1 +
>  arch/arm/boot/dts/imx6q-dms-ba16.dts | 140 +++++++++++++++++++++++++++++++++++
>  2 files changed, 141 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..585c3da4a47a 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -435,6 +435,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6q-dfi-fs700-m60.dtb \
>  	imx6q-display5-tianma-tm070-1280x768.dtb \
>  	imx6q-dmo-edmqmx6.dtb \
> +	imx6q-dms-ba16.dtb \
>  	imx6q-evi.dtb \
>  	imx6q-gk802.dtb \
>  	imx6q-gw51xx.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..b5047fd88290
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6q-dms-ba16.dts
> @@ -0,0 +1,140 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include "imx6q-ba16.dtsi"
> +
> +/ {
> +	model = "Advantech DMS-BA16";
> +	compatible = "advantech,imx6q-dms-ba16", "advantech,imx6q-ba16", "fsl,imx6q";
> +
> +	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;
> +	};
> +
> +	sys_mclk: clock-sys-mclk {
> +		compatible = "fixed-clock";
> +		#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>;
> +	};
> +};
> +
> +&ecspi5 {
> +	cs-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_ecspi5>;
> +	status = "okay";
> +
> +	m25_eeprom: m25p80@0 {
> +		compatible = "atmel,at25256B", "atmel,at25";
> +		spi-max-frequency = <20000000>;
> +		size = <0x8000>;
> +		pagesize = <64>;
> +		reg = <0>;
> +		address-width = <16>;
> +	};
> +};
> +
> +&iomuxc {
> +

Unnecessary newline.

> +	pinctrl_usbotgvbus: usbotgvbusgrp {

Please keep the pinctrl entries under iomuxc node alphabetically sorted.

> +		fsl,pins = <
> +			MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x000b0
> +			MX6QDL_PAD_GPIO_1__USB_OTG_ID   0x17059

MX6QDL_PAD_GPIO_1__USB_OTG_ID shouldn't belong to this group but
pinctrl_usbotg.  However that has been defined in imx6q-ba16.dtsi using
another USB_OTG_ID pinmux.  Confusing.

Shawn

> +		>;
> +	};
> +
> +	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
> +		>;
> +	};
> +};
> +
> +&i2c1 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c1>;
> +	status = "okay";
> +
> +	sgtl5000: codec@a {
> +		compatible = "fsl,sgtl5000";
> +		reg = <0x0a>;
> +		clocks = <&sys_mclk>;
> +		lrclk-strength = <0x3>;
> +		VDDA-supply = <&reg_1p8v>;
> +		VDDIO-supply = <&reg_3p3v>;
> +	};
> +};
> +
> +&pwm2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm2>;
> +	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";
> +};
> +
> +&usbotg {
> +	vbus-supply = <&reg_usb_otg_vbus>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usbotg>;
> +	dr_mode = "otg";
> +	disable-over-current;
> +	status = "okay";
> +};
> +
> +&usdhc4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usdhc4>;
> +	bus-width = <8>;
> +	cd-gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
> +	no-1-8-v;
> +	keep-power-in-suspend;
> +	wakeup-source;
> +	status = "okay";
> +};
> -- 
> 2.11.0
>