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SubjectRe: [PATCH v2 3/3] ARM: dts: add Van der Laan LANMCU board
On Wed, Oct 21, 2020 at 02:48:25PM +0200, Oleksij Rempel wrote:
> 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@protonic.nl>
> > > Signed-off-by: Robin van der Gracht <robin@protonic.nl>
> > > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.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@pengutronix.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 = <&reg_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?

With the changes, can be:
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>

Best regards,
Krzysztof

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