On 21/01/2025 10:33, Antonin Godard wrote: > This patch adds support for the Variscite Concerto Carrier Board. Please do not use "This commit/patch/change", but imperative mood. See longer explanation here: https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95 > > This Carrier-Board has the following: > - LVDS interface for the VLCD-CAP-GLD-LVDS 7" LCD 800 x 480 touch > display (not configured) > - USB Host + USB OTG Connector > - 10/100 Mbps Ethernet > - miniPCI-Express slot > - SD Card connector > - Audio Headphone/Line In jack connectors > - S-ATA > - On-board DMIC > > Product Page: https://www.variscite.com/product/single-board-computers/concerto-board > > This file is based on the one provided by Variscite on their own kernel, > but adapted for mainline. > > Signed-off-by: Antonin Godard <antonin.godard@xxxxxxxxxxx> > --- > arch/arm/boot/dts/nxp/imx/Makefile | 1 + > .../boot/dts/nxp/imx/imx6ul-var-som-concerto.dts | 331 +++++++++++++++++++++ > 2 files changed, 332 insertions(+) > > diff --git a/arch/arm/boot/dts/nxp/imx/Makefile b/arch/arm/boot/dts/nxp/imx/Makefile > index 39a153536d2a2b8f75b5fbe4332660f89442064a..94c9bc94cc8e2daa1fb3b5686b0b58db1f6678b6 100644 > --- a/arch/arm/boot/dts/nxp/imx/Makefile > +++ b/arch/arm/boot/dts/nxp/imx/Makefile > @@ -329,6 +329,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \ > imx6ul-tx6ul-0010.dtb \ > imx6ul-tx6ul-0011.dtb \ > imx6ul-tx6ul-mainboard.dtb \ > + imx6ul-var-som-concerto.dtb \ > imx6ull-14x14-evk.dtb \ > imx6ull-colibri-aster.dtb \ > imx6ull-colibri-emmc-aster.dtb \ > diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-concerto.dts b/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-concerto.dts > new file mode 100644 > index 0000000000000000000000000000000000000000..4289641d94c5a72ba985f339652039dbf13da40c > --- /dev/null > +++ b/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-concerto.dts > @@ -0,0 +1,331 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Support for Variscite MX6 Concerto Carrier board with the VAR-SOM-MX6UL > + * Variscite SoM mounted on it > + * > + * Copyright 2019 Variscite Ltd. > + * Copyright 2025 Bootlin > + */ > + > +#include "imx6ul-var-som.dtsi" > + > +/ { > + model = "Variscite VAR-SOM-MX6UL Concerto Board"; > + compatible = "variscite,mx6concerto", "variscite,var-som-imx6ul", "fsl,imx6ul"; > + > + backlight { > + compatible = "pwm-backlight"; > + pwms = <&pwm4 0 20000 0>; > + brightness-levels = <0 4 8 16 32 64 128 255>; > + default-brightness-level = <6>; > + status = "okay"; Which file disables it? > + }; > + > + chosen { > + stdout-path = &uart1; > + }; > + > + gpio-keys { > + compatible = "gpio-keys"; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_gpio_key_back>, <&pinctrl_gpio_key_wakeup>; > + > + key-back { > + gpios = <&gpio4 14 GPIO_ACTIVE_LOW>; > + linux,code = <KEY_BACK>; > + }; > + > + key-wakeup { > + gpios = <&gpio5 8 GPIO_ACTIVE_LOW>; > + linux,code = <KEY_WAKEUP>; > + wakeup-source; > + }; > + }; > + > + leds { > + compatible = "gpio-leds"; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_gpio_leds>; > + > + gpled2 { led-0 led-1 led-2 Are there other leds here? > + gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>; > + linux,default-trigger = "heartbeat"; Missing function and color > + }; > + }; > +}; > + > +&can1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_flexcan1>; > + status = "okay"; > +}; > + > +&fec1 { > + status = "disabled"; > +}; > + > +&fec2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_enet2>, <&pinctrl_enet2_gpio>, <&pinctrl_enet2_mdio>; > + phy-mode = "rmii"; > + phy-handle = <ðphy1>; > + phy-reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>; > + phy-reset-duration = <100>; > + status = "okay"; > + > + mdio { > + #address-cells = <1>; > + #size-cells = <0>; > + > + ethphy1: ethernet-phy@3 { > + compatible = "ethernet-phy-ieee802.3-c22"; > + micrel,rmii-reference-clock-select-25-mhz = <1>; > + micrel,led-mode = <0>; > + clocks = <&rmii_ref_clk>; > + clock-names = "rmii-ref"; > + reg = <3>; > + }; > + }; > +}; > + > +&i2c1 { > + clock-frequency = <100000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c1>; > + status = "okay"; > + > + /* DS1337 RTC module */ Drop comment, obvious. This cannot be anything else, because node name and compatible told that. > + rtc@68 { > + /* > + * To actually use this interrupt > + * connect pins J14.8 & J14.10 on the Concerto-Board. > + */ > + compatible = "dallas,ds1337"; > + reg = <0x68>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_rtc>; > + interrupt-parent = <&gpio1>; > + interrupts = <10 IRQ_TYPE_EDGE_FALLING>; > + }; > +}; Best regards, Krzysztof