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Date: Wed, 21 Oct 2020 14:48:25 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>,
Rob Herring <robh+dt@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Shawn Guo <shawnguo@...nel.org>,
Robin van der Gracht <robin@...tonic.nl>,
devicetree@...r.kernel.org, Fabio Estevam <festevam@...il.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
NXP Linux Team <linux-imx@....com>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
David Jander <david@...tonic.nl>
Subject: Re: [PATCH v2 3/3] ARM: dts: add Van der Laan LANMCU board
Hello Krzysztof,
On Tue, Oct 20, 2020 at 12:23:55PM +0200, Krzysztof Kozlowski wrote:
> On Thu, Oct 15, 2020 at 11:09:24AM +0200, Oleksij Rempel wrote:
> > Van der Laan LANMCU is a module for the food storage rooms to control
> > proper gas composition.
> >
> > Co-Developed-by: Robin van der Gracht <robin@...tonic.nl>
> > Signed-off-by: Robin van der Gracht <robin@...tonic.nl>
> > Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> > ---
> > arch/arm/boot/dts/Makefile | 1 +
> > arch/arm/boot/dts/imx6dl-lanmcu.dts | 469 ++++++++++++++++++++++++++++
> > 2 files changed, 470 insertions(+)
> > create mode 100644 arch/arm/boot/dts/imx6dl-lanmcu.dts
> >
> > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> > index 2289a28c0ff6..dc2543a7b7e9 100644
> > --- a/arch/arm/boot/dts/Makefile
> > +++ b/arch/arm/boot/dts/Makefile
> > @@ -447,6 +447,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
> > imx6dl-icore.dtb \
> > imx6dl-icore-mipi.dtb \
> > imx6dl-icore-rqs.dtb \
> > + imx6dl-lanmcu.dtb \
> > imx6dl-mamoj.dtb \
> > imx6dl-nit6xlite.dtb \
> > imx6dl-nitrogen6x.dtb \
> > diff --git a/arch/arm/boot/dts/imx6dl-lanmcu.dts b/arch/arm/boot/dts/imx6dl-lanmcu.dts
> > new file mode 100644
> > index 000000000000..36c029dcc832
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/imx6dl-lanmcu.dts
> > @@ -0,0 +1,469 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later
> > +/*
> > + * Copyright (c) 2019 Protonic Holland
> > + * Copyright (c) 2020 Oleksij Rempel <kernel@...gutronix.de>, Pengutronix
> > + */
> > +
> > +/dts-v1/;
> > +#include <dt-bindings/gpio/gpio.h>
> > +#include <dt-bindings/leds/common.h>
> > +#include "imx6dl.dtsi"
> > +
> > +/ {
> > + model = "Van der Laan LANMCU";
> > + compatible = "vdl,lanmcu", "fsl,imx6dl";
> > +
> > + chosen {
> > + stdout-path = &uart4;
> > + };
> > +
> > + clock_ksz8081: clock-ksz8081 {
> > + compatible = "fixed-clock";
> > + #clock-cells = <0>;
> > + clock-frequency = <50000000>;
> > + };
> > +
> > + backlight: backlight {
> > + compatible = "pwm-backlight";
> > + pwms = <&pwm1 0 5000000 0>;
> > + brightness-levels = <0 1000>;
> > + num-interpolated-steps = <20>;
> > + default-brightness-level = <19>;
> > + };
> > +
> > + display {
> > + compatible = "fsl,imx-parallel-display";
> > + pinctrl-0 = <&pinctrl_ipu1_disp>;
> > + pinctrl-names = "default";
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@0 {
> > + reg = <0>;
> > +
> > + display_in: endpoint {
> > + remote-endpoint = <&ipu1_di0_disp0>;
> > + };
> > + };
> > +
> > + port@1 {
> > + reg = <1>;
> > +
> > + display_out: endpoint {
> > + remote-endpoint = <&panel_in>;
> > + };
> > + };
> > + };
> > +
> > + leds {
> > + compatible = "gpio-leds";
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_leds>;
> > +
> > + led-debug {
>
> led-0 (dt spec naming requirement, upcomming dtschema as well) and add a
> label if you want it to be nicely labeled for user-space.
ok, done
> > + function = LED_FUNCTION_STATUS;
> > + gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
> > + linux,default-trigger = "heartbeat";
> > + };
> > + };
> > +
> > + panel {
> > + compatible = "edt,etm0700g0bdh6";
> > + backlight = <&backlight>;
> > +
> > + port {
> > + panel_in: endpoint {
> > + remote-endpoint = <&display_out>;
> > + };
> > + };
> > + };
> > +
> > + 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>;
> > + status = "okay";
> > +};
> > +
> > +&can2 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_can2>;
> > + status = "okay";
> > +};
> > +
> > +&fec {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_enet>;
> > + phy-mode = "rmii";
> > + clocks = <&clks IMX6QDL_CLK_ENET>,
> > + <&clks IMX6QDL_CLK_ENET>,
> > + <&clock_ksz8081>;
> > + clock-names = "ipg", "ahb", "ptp";
> > + phy-handle = <&rgmii_phy>;
> > + status = "okay";
> > +
> > + mdio {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + /* Microchip KSZ8081RNA PHY */
> > + rgmii_phy: ethernet-phy@0 {
> > + reg = <0>;
> > + interrupts-extended = <&gpio5 23 IRQ_TYPE_LEVEL_LOW>;
> > + reset-gpios = <&gpio5 22 GPIO_ACTIVE_LOW>;
> > + reset-assert-us = <10000>;
> > + reset-deassert-us = <300>;
> > + };
> > + };
> > +};
> > +
> > +&gpio1 {
> > + gpio-line-names =
> > + "", "SD1_CD", "", "", "", "", "", "",
> > + "DEBUG_0", "BL_PWM", "", "", "", "", "", "",
> > + "", "", "", "", "", "", "", "ENET_LED_GREEN",
> > + "", "", "", "", "", "", "", "";
> > +};
> > +
> > +&gpio3 {
> > + gpio-line-names =
> > + "", "", "", "", "", "", "", "",
> > + "", "", "", "", "", "", "", "",
> > + "", "", "", "", "TS_INT", "USB_OTG1_OC", "USB_OTG1_PWR", "",
> > + "", "", "", "", "UART2_CTS", "", "UART3_CTS", "";
> > +};
> > +
> > +&gpio5 {
> > + gpio-line-names =
> > + "", "", "", "", "", "", "", "",
> > + "", "", "", "", "", "", "", "",
> > + "", "", "", "", "", "", "ENET_RST", "ENET_INT",
> > + "", "", "I2C1_SDA", "I2C1_SCL", "", "", "", "";
> > +};
> > +
> > +&gpio6 {
> > + gpio-line-names =
> > + "", "", "", "", "", "", "", "",
> > + "", "", "WLAN_REG_ON", "", "", "", "", "",
> > + "", "", "", "", "", "", "", "",
> > + "", "", "", "", "", "", "", "";
> > +};
> > +
> > +&gpio7 {
> > + gpio-line-names =
> > + "", "", "", "", "", "", "", "",
> > + "EMMC_RST", "", "", "", "", "", "", "",
> > + "", "", "", "", "", "", "", "",
> > + "", "", "", "", "", "", "", "";
> > +};
> > +
> > +&i2c1 {
> > + clock-frequency = <100000>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_i2c1>;
> > + status = "okay";
> > +
> > + /* additional i2c devices are added automatically by the boot loader */
> > +};
> > +
> > +&i2c3 {
> > + clock-frequency = <100000>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_i2c3>;
> > + status = "okay";
> > +
> > + touchscreen@38 {
> > + compatible = "edt,edt-ft5406";
> > + reg = <0x38>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_ts_edt>;
> > + interrupts-extended = <&gpio3 20 IRQ_TYPE_EDGE_FALLING>;
> > +
> > + touchscreen-size-x = <1792>;
> > + touchscreen-size-y = <1024>;
> > +
> > + touchscreen-fuzz-x = <0>;
> > + touchscreen-fuzz-y = <0>;
> > +
> > + /* Touch screen calibration */
> > + threshold = <50>;
> > + gain = <5>;
> > + offset = <10>;
> > + };
> > +
> > + rtc@51 {
> > + compatible = "nxp,pcf8563";
> > + reg = <0x51>;
> > + };
> > +};
> > +
> > +&ipu1_di0_disp0 {
> > + remote-endpoint = <&display_in>;
> > +};
> > +
> > +&pwm1 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_pwm1>;
> > + status = "okay";
> > +};
> > +
> > +&uart2 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_uart2>;
> > + linux,rs485-enabled-at-boot-time;
> > + uart-has-rtscts;
> > + status = "okay";
> > +};
> > +
> > +&uart3 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_uart3>;
> > + linux,rs485-enabled-at-boot-time;
> > + uart-has-rtscts;
> > + status = "okay";
> > +};
> > +
> > +&uart4 {
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_uart4>;
> > + status = "okay";
> > +};
> > +
> > +&usbotg {
> > + vbus-supply = <®_otg_vbus>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pinctrl_usbotg>;
> > + phy_type = "utmi";
> > + dr_mode = "host";
> > + status = "okay";
> > +};
> > +
> > +&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>;
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + status = "okay";
> > +
> > + brcmf: bcrmf@1 {
>
> node name "wifi"? Or "wifi-bt"? DT spec requires nodes to have more or
> less generic names.
I'll take wifi@ it is mostly used pattern.
> Best regards,
> Krzysztof
Thx for review,
should I add your Reviewed-by?
Regards,
Oleksij
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