Message-ID: <20191211071948.GM15858@dragon>
Date:   Wed, 11 Dec 2019 15:19:49 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Robert Jones <rjones@...eworks.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        devicetree@...r.kernel.org, Tim Harvey <tharvey@...eworks.com>,
        linux-kernel@...r.kernel.org, NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: imx: Add GW5907

On Thu, Dec 05, 2019 at 02:08:25PM -0800, Robert Jones wrote:
> The Gateworks GW5907 is an IMX6 SoC based single board computer with:
>  - IMX6Q or IMX6DL
>  - 32bit DDR3 DRAM
>  - FEC GbE Phy
>  - bi-color front-panel LED
>  - 256MB NAND boot device
>  - Gateworks System Controller (hwmon, pushbutton controller, EEPROM)
>  - Digital IO expander (pca9555)
>  - Joystick 12bit adc (ads1015)
> 
> Signed-off-by: Tim Harvey <tharvey@...eworks.com>
> Signed-off-by: Robert Jones <rjones@...eworks.com>

Please have a more complete patch subject, probably like:

 ARM: dts: imx: Add GW5907 board support

> ---
>  arch/arm/boot/dts/Makefile            |   2 +
>  arch/arm/boot/dts/imx6dl-gw5907.dts   |  14 ++
>  arch/arm/boot/dts/imx6q-gw5907.dts    |  14 ++
>  arch/arm/boot/dts/imx6qdl-gw5907.dtsi | 399 ++++++++++++++++++++++++++++++++++
>  4 files changed, 429 insertions(+)
>  create mode 100644 arch/arm/boot/dts/imx6dl-gw5907.dts
>  create mode 100644 arch/arm/boot/dts/imx6q-gw5907.dts
>  create mode 100644 arch/arm/boot/dts/imx6qdl-gw5907.dtsi
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 76920fc..34f8166 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -417,6 +417,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6dl-gw560x.dtb \
>  	imx6dl-gw5903.dtb \
>  	imx6dl-gw5904.dtb \
> +	imx6dl-gw5907.dtb \
>  	imx6dl-gw5910.dtb \
>  	imx6dl-gw5912.dtb \
>  	imx6dl-gw5913.dtb \
> @@ -491,6 +492,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6q-gw560x.dtb \
>  	imx6q-gw5903.dtb \
>  	imx6q-gw5904.dtb \
> +	imx6q-gw5907.dtb \
>  	imx6q-gw5910.dtb \
>  	imx6q-gw5912.dtb \
>  	imx6q-gw5913.dtb \
> diff --git a/arch/arm/boot/dts/imx6dl-gw5907.dts b/arch/arm/boot/dts/imx6dl-gw5907.dts
> new file mode 100644
> index 0000000..3fa2822
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6dl-gw5907.dts
> @@ -0,0 +1,14 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright 2019 Gateworks Corporation
> + */
> +
> +/dts-v1/;
> +
> +#include "imx6dl.dtsi"
> +#include "imx6qdl-gw5907.dtsi"
> +
> +/ {
> +	model = "Gateworks Ventana i.MX6 DualLite/Solo GW5907";
> +	compatible = "gw,imx6dl-gw5907", "gw,ventana", "fsl,imx6dl";

Any new compatible needs to be documented.

> +};
> diff --git a/arch/arm/boot/dts/imx6q-gw5907.dts b/arch/arm/boot/dts/imx6q-gw5907.dts
> new file mode 100644
> index 0000000..e5e9c41
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6q-gw5907.dts
> @@ -0,0 +1,14 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright 2019 Gateworks Corporation
> + */
> +
> +/dts-v1/;
> +
> +#include "imx6q.dtsi"
> +#include "imx6qdl-gw5907.dtsi"
> +
> +/ {
> +	model = "Gateworks Ventana i.MX6 Dual/Quad GW5907";
> +	compatible = "gw,imx6q-gw51xx", "gw,ventana", "fsl,imx6q";
> +};
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5907.dtsi b/arch/arm/boot/dts/imx6qdl-gw5907.dtsi
> new file mode 100644
> index 0000000..ed44288
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6qdl-gw5907.dtsi
> @@ -0,0 +1,399 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright 2019 Gateworks Corporation
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/ {
> +	/* these are used by bootloader for disabling nodes */
> +	aliases {
> +		led0 = &led0;
> +		led1 = &led1;
> +		nand = &gpmi;
> +		usb0 = &usbh1;
> +		usb1 = &usbotg;
> +	};
> +
> +	chosen {
> +		stdout-path = &uart2;
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_gpio_leds>;
> +
> +		led0: user1 {
> +			label = "user1";
> +			gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDG */
> +			default-state = "on";
> +			linux,default-trigger = "heartbeat";
> +		};
> +
> +		led1: user2 {
> +			label = "user2";
> +			gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDR */
> +			default-state = "off";
> +		};
> +	};
> +
> +	memory@...00000 {
> +		device_type = "memory";
> +		reg = <0x10000000 0x20000000>;
> +	};
> +
> +	pps {
> +		compatible = "pps-gpio";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_pps>;
> +		gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
> +		status = "okay";
> +	};
> +
> +	reg_3p3v: regulator-3p3v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "3P3V";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_5p0v: regulator-5p0v {
> +		compatible = "regulator-fixed";
> +		regulator-name = "5P0V";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		regulator-always-on;
> +	};
> +
> +	reg_usb_otg_vbus: regulator-usb-otg-vbus {
> +		compatible = "regulator-fixed";
> +		regulator-name = "usb_otg_vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +	};
> +};
> +
> +&fec {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_enet>;
> +	phy-mode = "rgmii-id";
> +	phy-reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
> +	status = "okay";
> +};
> +
> +&gpmi {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_gpmi_nand>;
> +	status = "okay";
> +};
> +
> +&hdmi {
> +	ddc-i2c-bus = <&i2c3>;
> +	status = "okay";
> +};
> +
> +&i2c1 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c1>;
> +	status = "okay";
> +
> +	pca9555: gpio@23 {
> +		compatible = "nxp,pca9555";
> +		reg = <0x23>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +	};
> +
> +	eeprom1: eeprom@50 {
> +		compatible = "atmel,24c02";
> +		reg = <0x50>;
> +		pagesize = <16>;
> +	};
> +
> +	eeprom2: eeprom@51 {
> +		compatible = "atmel,24c02";
> +		reg = <0x51>;
> +		pagesize = <16>;
> +	};
> +
> +	eeprom3: eeprom@52 {
> +		compatible = "atmel,24c02";
> +		reg = <0x52>;
> +		pagesize = <16>;
> +	};
> +
> +	eeprom4: eeprom@53 {
> +		compatible = "atmel,24c02";
> +		reg = <0x53>;
> +		pagesize = <16>;
> +	};
> +
> +	dts1672: rtc@68 {
> +		compatible = "dallas,ds1672";
> +		reg = <0x68>;
> +	};
> +};
> +
> +&i2c2 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c2>;
> +	status = "okay";
> +};
> +
> +&i2c3 {
> +	clock-frequency = <100000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c3>;
> +	status = "okay";
> +
> +	pca9555@20 {

Use a generic node name.

> +		compatible = "nxp,pca9555";
> +		reg = <0x20>;
> +		gpio-controller;
> +		#gpio-cells = <2>;
> +	};
> +
> +	ads1015@48 {

Ditto

Shawn

> +		compatible = "ti,ads1015";
> +		reg = <0x48>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		channel@4 {
> +			reg = <4>;
> +			ti,gain = <0>;
> +			ti,datarate = <5>;
> +		};
> +
> +		channel@5 {
> +			reg = <5>;
> +			ti,gain = <0>;
> +			ti,datarate = <5>;
> +		};
> +
> +		channel@6 {
> +			reg = <6>;
> +			ti,gain = <0>;
> +			ti,datarate = <5>;
> +		};
> +	};
> +};
> +
> +&pcie {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pcie>;
> +	reset-gpio = <&gpio1 0 GPIO_ACTIVE_LOW>;
> +	status = "okay";
> +};
> +
> +&pwm2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm2>; /* MX6_DIO1 */
> +	status = "disabled";
> +};
> +
> +&pwm3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm3>; /* MX6_DIO2 */
> +	status = "disabled";
> +};
> +
> +&pwm4 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_pwm4>; /* MX6_DIO3 */
> +	status = "disabled";
> +};
> +
> +&uart1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart1>;
> +	status = "okay";
> +};
> +
> +&uart2 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart2>;
> +	status = "okay";
> +};
> +
> +&uart3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart3>;
> +	status = "okay";
> +};
> +
> +&uart5 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart5>;
> +	status = "okay";
> +};
> +
> +&usbotg {
> +	vbus-supply = <&reg_usb_otg_vbus>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_usbotg>;
> +	disable-over-current;
> +	status = "okay";
> +};
> +
> +&usbh1 {
> +	status = "okay";
> +};
> +
> +&wdog1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_wdog>;
> +	fsl,ext-reset-output;
> +};
> +
> +&iomuxc {
> +	pinctrl_enet: enetgrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b0b0
> +			MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x1b0b0
> +			MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x1b0b0
> +			MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b0b0
> +			MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b0b0
> +			MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x1b0b0
> +			MX6QDL_PAD_RGMII_TXC__RGMII_TXC		0x1b0b0
> +			MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b0b0
> +			MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b0b0
> +			MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b0b0
> +			MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b0b0
> +			MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b0b0
> +			MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x1b0b0
> +			MX6QDL_PAD_ENET_MDIO__ENET_MDIO		0x1b0b0
> +			MX6QDL_PAD_ENET_MDC__ENET_MDC		0x1b0b0
> +			MX6QDL_PAD_GPIO_16__ENET_REF_CLK	0x4001b0a8
> +			MX6QDL_PAD_ENET_TXD0__GPIO1_IO30	0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_gpio_leds: gpioledsgrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_KEY_COL0__GPIO4_IO06		0x1b0b0
> +			MX6QDL_PAD_KEY_ROW0__GPIO4_IO07		0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_gpmi_nand: gpminandgrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_NANDF_CLE__NAND_CLE		0xb0b1
> +			MX6QDL_PAD_NANDF_ALE__NAND_ALE		0xb0b1
> +			MX6QDL_PAD_NANDF_WP_B__NAND_WP_B	0xb0b1
> +			MX6QDL_PAD_NANDF_RB0__NAND_READY_B	0xb000
> +			MX6QDL_PAD_NANDF_CS0__NAND_CE0_B	0xb0b1
> +			MX6QDL_PAD_SD4_CMD__NAND_RE_B		0xb0b1
> +			MX6QDL_PAD_SD4_CLK__NAND_WE_B		0xb0b1
> +			MX6QDL_PAD_NANDF_D0__NAND_DATA00	0xb0b1
> +			MX6QDL_PAD_NANDF_D1__NAND_DATA01	0xb0b1
> +			MX6QDL_PAD_NANDF_D2__NAND_DATA02	0xb0b1
> +			MX6QDL_PAD_NANDF_D3__NAND_DATA03	0xb0b1
> +			MX6QDL_PAD_NANDF_D4__NAND_DATA04	0xb0b1
> +			MX6QDL_PAD_NANDF_D5__NAND_DATA05	0xb0b1
> +			MX6QDL_PAD_NANDF_D6__NAND_DATA06	0xb0b1
> +			MX6QDL_PAD_NANDF_D7__NAND_DATA07	0xb0b1
> +		>;
> +	};
> +
> +	pinctrl_i2c1: i2c1grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_EIM_D21__I2C1_SCL		0x4001b8b1
> +			MX6QDL_PAD_EIM_D28__I2C1_SDA		0x4001b8b1
> +			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0x0001b0b0
> +		>;
> +	};
> +
> +	pinctrl_i2c2: i2c2grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_KEY_COL3__I2C2_SCL		0x4001b8b1
> +			MX6QDL_PAD_KEY_ROW3__I2C2_SDA		0x4001b8b1
> +		>;
> +	};
> +
> +	pinctrl_i2c3: i2c3grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_GPIO_3__I2C3_SCL		0x4001b8b1
> +			MX6QDL_PAD_GPIO_6__I2C3_SDA		0x4001b8b1
> +			MX6QDL_PAD_GPIO_2__GPIO1_IO02		0x1b0b0
> +			MX6QDL_PAD_GPIO_19__GPIO4_IO05		0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_pcie: pciegrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_GPIO_0__GPIO1_IO00		0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_pps: ppsgrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_ENET_RXD1__GPIO1_IO26	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_pwm2: pwm2grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_SD1_DAT2__PWM2_OUT		0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_pwm3: pwm3grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_SD1_DAT1__PWM3_OUT		0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_pwm4: pwm4grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_SD1_CMD__PWM4_OUT		0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_uart1: uart1grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA	0x1b0b1
> +			MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_uart2: uart2grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA	0x1b0b1
> +			MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_uart3: uart3grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_EIM_D24__UART3_TX_DATA	0x1b0b1
> +			MX6QDL_PAD_EIM_D25__UART3_RX_DATA	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_uart5: uart5grp {
> +		fsl,pins = <
> +			MX6QDL_PAD_KEY_COL1__UART5_TX_DATA	0x1b0b1
> +			MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA	0x1b0b1
> +		>;
> +	};
> +
> +	pinctrl_usbotg: usbotggrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_GPIO_1__USB_OTG_ID		0x17059
> +			MX6QDL_PAD_EIM_D22__GPIO3_IO22		0x1b0b0
> +		>;
> +	};
> +
> +	pinctrl_wdog: wdoggrp {
> +		fsl,pins = <
> +			MX6QDL_PAD_DISP0_DAT8__WDOG1_B		0x1b0b0
> +		>;
> +	};
> +};
> -- 
> 2.9.2
> 
> 
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