Re: [PATCH v2 2/2] ARM: dts: add Protonic WD3 board

From: Shawn Guo
Date: Thu Oct 29 2020 - 10:23:34 EST


On Thu, Sep 24, 2020 at 06:57:06AM +0200, Oleksij Rempel wrote:
> Protonic WD3 is a proof of concept platform for tractor e-cockpit applications
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/imx6qp-prtwd3.dts | 553 ++++++++++++++++++++++++++++
> 2 files changed, 554 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx6qp-prtwd3.dts

checkpatch warnings:

WARNING: DT compatible string vendor "virtual" appears un-documented -- check ./Documentation/devicetree/bindings/vendor-prefixes.yaml
#85: FILE: arch/arm/boot/dts/imx6qp-prtwd3.dts:53:
+ compatible = "virtual,mdio-gpio";

WARNING: DT compatible string "ethernet-phy-id0180.dc80" appears un-documented -- check ./Documentation/devicetree/bindings/
#108: FILE: arch/arm/boot/dts/imx6qp-prtwd3.dts:76:
+ compatible = "ethernet-phy-id0180.dc80";

WARNING: DT compatible string "microchip,mcp25xxfd" appears un-documented -- check ./Documentation/devicetree/bindings/
#230: FILE: arch/arm/boot/dts/imx6qp-prtwd3.dts:198:
+ compatible = "microchip,mcp25xxfd";

>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 0730cbfe13db..2355b43a0f4b 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -578,6 +578,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
> imx6qp-nitrogen6_max.dtb \
> imx6qp-nitrogen6_som2.dtb \
> imx6qp-phytec-mira-rdk-nand.dtb \
> + imx6qp-prtwd3.dtb \
> imx6qp-sabreauto.dtb \
> imx6qp-sabresd.dtb \
> imx6qp-tx6qp-8037.dtb \
> diff --git a/arch/arm/boot/dts/imx6qp-prtwd3.dts b/arch/arm/boot/dts/imx6qp-prtwd3.dts
> new file mode 100644
> index 000000000000..1957d5686dee
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6qp-prtwd3.dts
> @@ -0,0 +1,553 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> +/*
> + * Copyright (c) 2018 Protonic Holland
> + */
> +
> +/dts-v1/;
> +#include <dt-bindings/gpio/gpio.h>
> +#include "imx6qp.dtsi"
> +
> +/ {
> + model = "Protonic WD3 board";
> + compatible = "prt,prtwd3", "fsl,imx6qp";
> +
> + chosen {
> + stdout-path = &uart4;
> + };
> +
> + memory@10000000 {
> + device_type = "memory";
> + reg = <0x10000000 0x20000000>;
> + };
> +
> + memory@80000000 {
> + device_type = "memory";
> + reg = <0x80000000 0x20000000>;
> + };
> +
> + clock_ksz8081: clock-ksz8081 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <50000000>;
> + };
> +
> + clock_ksz9031: clock-ksz9031 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <25000000>;
> + };
> +
> + clock_mcp25xx: clock-mcp25xx {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <20000000>;
> + };
> +
> + clock_sja1105: clock-sja1105 {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <25000000>;
> + };
> +
> + mdio {
> + compatible = "virtual,mdio-gpio";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_mdio>;
> +

We generally do not have newlines in middle of property list. Please
clean them up unless you really have a good reason to do so.

> + #address-cells = <1>;
> + #size-cells = <0>;
> + gpios = <&gpio5 6 GPIO_ACTIVE_HIGH
> + &gpio5 7 GPIO_ACTIVE_HIGH>;
> +
> + /* Microchip KSZ8081 */
> + usbeth_phy: ethernet-phy@3 {
> + reg = <0x3>;
> +
> + interrupts-extended = <&gpio5 12 IRQ_TYPE_LEVEL_LOW>;
> + reset-gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <500>;
> + reset-deassert-us = <1000>;
> + clocks = <&clock_ksz8081>;
> + clock-names = "rmii-ref";
> + micrel,led-mode = <0>;
> + };
> +
> + tja1102_phy0: ethernet-phy@4 {
> + compatible = "ethernet-phy-id0180.dc80";
> + reg = <0x4>;
> +
> + interrupts-extended = <&gpio5 8 IRQ_TYPE_LEVEL_LOW>;
> + reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <20>;
> + reset-deassert-us = <2000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + tja1102_phy1: ethernet-phy@5 {
> + reg = <0x5>;
> +
> + interrupts-extended = <&gpio5 8 IRQ_TYPE_LEVEL_LOW>;
> + };
> + };
> + };
> +
> + reg_5v0: regulator-5v0 {
> + compatible = "regulator-fixed";
> + regulator-name = "5v0";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + };
> +
> + reg_otg_vbus: regulator-otg-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "otg-vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + usdhc2_wifi_pwrseq: usdhc2-wifi-pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wifi_npd>;
> + reset-gpios = <&gpio6 10 GPIO_ACTIVE_LOW>;
> + };
> +};
> +
> +&can1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_can1>;
> + xceiver-supply = <&reg_5v0>;
> + status = "okay";
> +};
> +
> +&ecspi2 {
> + cs-gpios = <&gpio2 26 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ecspi2>;
> + status = "okay";
> +
> + switch@0 {
> + compatible = "nxp,sja1105q";
> + reg = <0>;
> + spi-max-frequency = <4000000>;
> + spi-rx-delay-us = <1>;
> + spi-tx-delay-us = <1>;
> + spi-cpha;
> +
> + reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>;
> +
> + clocks = <&clock_sja1105>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + label = "usb";
> + phy-handle = <&usbeth_phy>;
> + phy-mode = "rmii";
> + };
> +
> + port@1 {
> + reg = <1>;
> + label = "t1slave";
> + phy-handle = <&tja1102_phy1>;
> + phy-mode = "rmii";
> + };
> +
> + port@2 {
> + reg = <2>;
> + label = "t1master";
> + phy-handle = <&tja1102_phy0>;
> + phy-mode = "rmii";
> +

Meaningless newline.

> + };
> +
> + port@3 {
> + reg = <3>;
> + label = "rj45";
> + phy-handle = <&rgmii_phy>;
> + phy-mode = "rgmii-id";
> + };
> +
> + port@4 {
> + reg = <4>;
> + label = "cpu";
> + ethernet = <&fec>;
> + phy-mode = "rgmii-id";
> +
> + fixed-link {
> + speed = <100>;
> + full-duplex;
> + };
> + };
> + };
> + };
> +};
> +
> +&ecspi3 {
> + cs-gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ecspi3>;
> + status = "okay";
> +
> + can@0 {
> + compatible = "microchip,mcp25xxfd";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_can2>;
> + reg = <0>;
> + clocks = <&clock_mcp25xx>;
> + spi-max-frequency = <5000000>;
> + interrupts-extended = <&gpio4 25 IRQ_TYPE_EDGE_FALLING>;
> + };
> +};
> +
> +&fec {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet>;
> + status = "okay";
> +
> + phy-mode = "rgmii";

We generally end property list with 'status'.

Shawn

> +
> + fixed-link {
> + speed = <100>;
> + full-duplex;
> + };
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* Microchip KSZ9031 */
> + rgmii_phy: ethernet-phy@2 {
> + reg = <2>;
> +
> + interrupts-extended = <&gpio1 28 IRQ_TYPE_EDGE_FALLING>;
> + reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <10000>;
> + reset-deassert-us = <1000>;
> +
> + clocks = <&clock_ksz9031>;
> + };
> + };
> +};
> +
> +&gpio1 {
> + gpio-line-names =
> + "", "SD1_CD", "", "", "", "", "", "",
> + "", "", "", "", "", "", "", "",
> + "", "", "", "", "", "", "", "",
> + "", "PHY3_RESET", "", "", "PHY3_INT", "", "", "";
> +};
> +
> +&gpio2 {
> + gpio-line-names =
> + "", "", "", "", "", "", "", "",
> + "REV_ID0", "REV_ID1", "REV_ID2", "REV_ID3", "BOARD_ID3",
> + "BOARD_ID0", "BOARD_ID1", "BOARD_ID2",
> + "", "", "", "", "", "", "", "",
> + "", "", "ECSPI2_SS0", "", "", "", "", "";
> +};
> +
> +&gpio3 {
> + gpio-line-names =
> + "", "", "", "", "", "", "", "",
> + "", "", "", "", "", "", "", "",
> + "", "", "", "", "", "USB_OTG_OC", "USB_OTG_PWR", "",
> + "", "", "", "", "", "", "", "";
> +};
> +
> +&gpio4 {
> + gpio-line-names =
> + "", "", "", "", "", "", "", "",
> + "", "", "", "", "CAN1_SR", "CAN2_SR", "", "",
> + "", "", "", "", "", "", "", "",
> + "ECSPI3_SS0", "CANFD_INT", "USB_ETH_RESET", "", "", "", "", "";
> +};
> +
> +&gpio5 {
> + gpio-line-names =
> + "", "", "", "", "", "SW_RESET", "", "",
> + "PHY12_INT", "PHY12_RESET", "PHY12_EN", "PHY0_RESET",
> + "PHY0_INT", "", "", "",
> + "", "", "DISP1_EN", "DISP1_LR", "DISP1_TS_IRQ", "LVDS1_PD",
> + "", "",
> + "", "LVDS1_INT", "", "", "DISP0_LR", "DISP0_TS_IRQ",
> + "DISP0_EN", "CAM_GPIO0";
> +};
> +
> +&gpio6 {
> + gpio-line-names =
> + "LVDS0_INT", "LVDS0_PD", "CAM_INT", "CAM_GPIO1", "CAM_PD",
> + "CAM_LOCK", "", "POWER_TG",
> + "POWER_VSEL", "", "WLAN_REG_ON", "USB_ETH_CHG", "", "",
> + "USB_ETH_CHG_ID0", "USB_ETH_CHG_ID1",
> + "USB_ETH_CHG_ID2", "", "", "", "", "", "", "",
> + "", "", "", "", "", "", "", "";
> +};
> +
> +&i2c1 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +
> + /* additional i2c devices are added automatically by the boot loader */
> +};
> +
> +&i2c3 {
> + adc@49 {
> + compatible = "ti,ads1015";
> + reg = <0x49>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + /* VIN */
> + channel@4 {
> + reg = <4>;
> + ti,gain = <1>;
> + ti,datarate = <3>;
> + };
> +
> + /* VBUS */
> + channel@5 {
> + reg = <5>;
> + ti,gain = <1>;
> + ti,datarate = <3>;
> + };
> +
> + /* ICHG */
> + channel@6 {
> + reg = <6>;
> + ti,gain = <1>;
> + ti,datarate = <3>;
> + };
> +
> + channel@7 {
> + reg = <7>;
> + ti,gain = <1>;
> + ti,datarate = <3>;
> + };
> + };
> +};
> +
> +&uart4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart4>;
> + status = "okay";
> +};
> +
> +&usbotg {
> + vbus-supply = <&reg_otg_vbus>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usbotg>;
> + phy_type = "utmi";
> + dr_mode = "host";
> + disable-over-current;
> + status = "okay";
> +};
> +
> +&usbphynop1 {
> + status = "disabled";
> +};
> +
> +&usbphynop2 {
> + status = "disabled";
> +};
> +
> +&usdhc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc1>;
> + cd-gpios = <&gpio1 1 GPIO_ACTIVE_LOW>;
> + no-1-8-v;
> + disable-wp;
> + cap-sd-highspeed;
> + no-mmc;
> + no-sdio;
> + status = "okay";
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + no-1-8-v;
> + non-removable;
> + mmc-pwrseq = <&usdhc2_wifi_pwrseq>;
> + status = "okay";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + brcmf: bcrmf@1 {
> + reg = <1>;
> + compatible = "brcm,bcm4329-fmac";
> + };
> +};
> +
> +&usdhc3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + bus-width = <8>;
> + no-1-8-v;
> + non-removable;
> + no-sd;
> + no-sdio;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_can1: can1grp {
> + fsl,pins = <
> + MX6QDL_PAD_KEY_ROW2__FLEXCAN1_RX 0x1b000
> + MX6QDL_PAD_KEY_COL2__FLEXCAN1_TX 0x3008
> + /* CAN1_SR */
> + MX6QDL_PAD_KEY_COL3__GPIO4_IO12 0x13008
> + >;
> + };
> +
> + pinctrl_can2: can2grp {
> + fsl,pins = <
> + /* CAN2_nINT */
> + MX6QDL_PAD_DISP0_DAT4__GPIO4_IO25 0x1b0b1
> + /* CAN2_SR */
> + MX6QDL_PAD_KEY_ROW3__GPIO4_IO13 0x13070
> + >;
> + };
> +
> + pinctrl_ecspi2: ecspi2grp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_OE__ECSPI2_MISO 0x100b1
> + MX6QDL_PAD_EIM_CS0__ECSPI2_SCLK 0x100b1
> + MX6QDL_PAD_EIM_CS1__ECSPI2_MOSI 0x100b1
> + MX6QDL_PAD_EIM_RW__GPIO2_IO26 0x000b1
> + >;
> + };
> +
> + pinctrl_ecspi3: ecspi3grp {
> + fsl,pins = <
> + MX6QDL_PAD_DISP0_DAT0__ECSPI3_SCLK 0x100b1
> + MX6QDL_PAD_DISP0_DAT1__ECSPI3_MOSI 0x100b1
> + MX6QDL_PAD_DISP0_DAT2__ECSPI3_MISO 0x100b1
> + /* CS */
> + MX6QDL_PAD_DISP0_DAT3__GPIO4_IO24 0x000b1
> + >;
> + };
> +
> + pinctrl_enet: enetgrp {
> + fsl,pins = <
> + MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b030
> + MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x1b030
> + MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x1b030
> + MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b030
> + MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b030
> + MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b030
> + MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x10030
> + MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x10030
> + MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x10030
> + MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x10030
> + MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x10030
> + MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x10030
> +
> + MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x10030
> + MX6QDL_PAD_ENET_MDC__ENET_MDC 0x10030
> +
> + /* Configure clock provider for RGMII ref clock */
> + MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0x4001b0b0
> + /* Configure clock consumer for RGMII ref clock */
> + MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x10030
> +
> + /* SJA1105Q switch reset */
> + MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05 0x10030
> +
> + /* phy3/rgmii_phy reset */
> + MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25 0x10030
> + /* phy3/rgmii_phy int */
> + MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28 0x40010000
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001f8b1
> + MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001f8b1
> + >;
> + };
> +
> + pinctrl_mdio: mdiogrp {
> + fsl,pins = <
> + /* phy0/usbeth_phy reset */
> + MX6QDL_PAD_DISP0_DAT17__GPIO5_IO11 0x10030
> + /* phy0/usbeth_phy int */
> + MX6QDL_PAD_DISP0_DAT18__GPIO5_IO12 0x100b1
> +
> + /* phy12/tja1102_phy0 reset */
> + MX6QDL_PAD_DISP0_DAT15__GPIO5_IO09 0x10030
> + /* phy12/tja1102_phy0 int */
> + MX6QDL_PAD_DISP0_DAT14__GPIO5_IO08 0x100b1
> + /* phy12/tja1102_phy0 enable. Set 100K pull-up */
> + MX6QDL_PAD_DISP0_DAT16__GPIO5_IO10 0x1f030
> + >;
> + };
> +
> + pinctrl_uart4: uart4grp {
> + fsl,pins = <
> + MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
> + MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
> + >;
> + };
> +
> + pinctrl_usbotg: usbotggrp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_D21__USB_OTG_OC 0x1b0b0
> + MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x1b0b0
> + >;
> + };
> +
> + pinctrl_usdhc1: usdhc1grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD1_CMD__SD1_CMD 0x170f9
> + MX6QDL_PAD_SD1_CLK__SD1_CLK 0x100f9
> + MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x170f9
> + MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x170f9
> + MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x170f9
> + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x170f9
> + MX6QDL_PAD_GPIO_1__GPIO1_IO01 0x1b0b0
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD2_CMD__SD2_CMD 0x170b9
> + MX6QDL_PAD_SD2_CLK__SD2_CLK 0x100b9
> + MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170b9
> + MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170b9
> + MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170b9
> + MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x170b9
> + >;
> + };
> +
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17099
> + MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10099
> + MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17099
> + MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17099
> + MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17099
> + MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17099
> + MX6QDL_PAD_SD3_DAT4__SD3_DATA4 0x17099
> + MX6QDL_PAD_SD3_DAT5__SD3_DATA5 0x17099
> + MX6QDL_PAD_SD3_DAT6__SD3_DATA6 0x17099
> + MX6QDL_PAD_SD3_DAT7__SD3_DATA7 0x17099
> + MX6QDL_PAD_SD3_RST__SD3_RESET 0x1b0b1
> + >;
> + };
> +
> + pinctrl_wifi_npd: wifinpd {
> + fsl,pins = <
> + /* WL_REG_ON */
> + MX6QDL_PAD_NANDF_RB0__GPIO6_IO10 0x13069
> + >;
> + };
> +};
> --
> 2.28.0
>