Re: [PATCH 07/14] ARM: dts: imx6ul-var-som-concerto: Factor out common parts for all CPU variants
From: Frank Li
Date: Mon Mar 02 2026 - 16:51:56 EST
On Mon, Mar 02, 2026 at 04:07:31PM -0500, Hugo Villeneuve wrote:
> Hi Frank,
>
> On Mon, 2 Mar 2026 15:50:21 -0500
> Frank Li <Frank.li@xxxxxxx> wrote:
>
> > On Mon, Mar 02, 2026 at 02:03:43PM -0500, Hugo Villeneuve wrote:
> > > From: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>
> > >
> > > Export common parts to the Variscite VAR-SOM-6UL dtsi so that they can be
> > > reused on other boards.
> > >
> > > This will simplify adding future dedicated device tree files for each CPU
> > > variant.
> >
> > Simplify adding ...
> >
> > >
> > > Add i2c1 pinctrl to var-som dtsi pinmux, so that it can be reused by other
> > > boards.
> > >
> > > Reorder pinctrl_gpio_leds to respect alphabetical order.
> >
> > this one use new patch.
>
> I'm not sure what you mean by that? Do you mean to move this change to a
> separate patch?
yes
Frank
>
>
> >
> > >
> > > Signed-off-by: Hugo Villeneuve <hvilleneuve@xxxxxxxxxxxx>
> > > ---
> > > arch/arm/boot/dts/nxp/imx/Makefile | 1 +
> > > .../dts/nxp/imx/imx6ul-var-som-common.dtsi | 7 +
> > > ...ts => imx6ul-var-som-concerto-common.dtsi} | 17 +-
> > > .../dts/nxp/imx/imx6ul-var-som-concerto.dts | 312 +-----------------
> > > .../dts/nxp/imx/imx6ull-var-som-concerto.dts | 17 +
> > > 5 files changed, 33 insertions(+), 321 deletions(-)
> > > copy arch/arm/boot/dts/nxp/imx/{imx6ul-var-som-concerto.dts => imx6ul-var-som-concerto-common.dtsi} (95%)
> > > create mode 100644 arch/arm/boot/dts/nxp/imx/imx6ull-var-som-concerto.dts
> > >
> > > diff --git a/arch/arm/boot/dts/nxp/imx/Makefile b/arch/arm/boot/dts/nxp/imx/Makefile
> > > index de4142e8f3ce8..bc534d0fb1412 100644
> > > --- a/arch/arm/boot/dts/nxp/imx/Makefile
> > > +++ b/arch/arm/boot/dts/nxp/imx/Makefile
> > > @@ -376,6 +376,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
> > > imx6ull-tarragon-slavext.dtb \
> > > imx6ull-tqma6ull2-mba6ulx.dtb \
> > > imx6ull-tqma6ull2l-mba6ulx.dtb \
> > > + imx6ull-var-som-concerto.dtb \
> >
> > keep alphabet order
>
> Ok
>
> >
> > Frank
> > > imx6ull-uti260b.dtb \
> > > imx6ulz-14x14-evk.dtb \
> > > imx6ulz-bsh-smm-m2.dtb
> > > diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-common.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-common.dtsi
> > > index 2072e8ba4d469..22b0c4e0725a5 100644
> > > --- a/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-common.dtsi
> > > +++ b/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-common.dtsi
> > > @@ -104,6 +104,13 @@ MX6UL_PAD_SNVS_TAMPER6__GPIO5_IO06 0x03029 /* WLAN Enable */
> > > >;
> > > };
> > >
> > > + pinctrl_i2c1: i2c1grp {
> > > + fsl,pins = <
> > > + MX6UL_PAD_CSI_PIXCLK__I2C1_SCL 0x4001b8b0
> > > + MX6UL_PAD_CSI_MCLK__I2C1_SDA 0x4001b8b0
> > > + >;
> > > + };
> > > +
> > > pinctrl_sai2: sai2grp {
> > > fsl,pins = <
> > > MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK 0x17088
> > > 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-common.dtsi
> > > similarity index 95%
> > > copy from arch/arm/boot/dts/nxp/imx/imx6ul-var-som-concerto.dts
> > > copy to arch/arm/boot/dts/nxp/imx/imx6ul-var-som-concerto-common.dtsi
> > > index d16e75164fd18..10a23ae104359 100644
> > > --- a/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-concerto.dts
> > > +++ b/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-concerto-common.dtsi
> > > @@ -1,19 +1,15 @@
> > > // SPDX-License-Identifier: GPL-2.0+
> > > /*
> > > * Support for Variscite MX6 Concerto Carrier board with the VAR-SOM-6UL
> > > - * Variscite SoM mounted on it
> > > + * Variscite SoM mounted on it, for all CPU variants.
> > > *
> > > * Copyright 2019 Variscite Ltd.
> > > * Copyright 2025 Bootlin
> > > */
> > >
> > > -#include "imx6ul-var-som.dtsi"
> > > #include <dt-bindings/leds/common.h>
> > >
> > > / {
> > > - model = "Variscite VAR-SOM-6UL Concerto Board";
> > > - compatible = "variscite,mx6ulconcerto", "variscite,var-som-imx6ul", "fsl,imx6ul";
> > > -
> > > chosen {
> > > stdout-path = &uart1;
> > > };
> > > @@ -144,22 +140,15 @@ MX6UL_PAD_NAND_CE1_B__GPIO4_IO14 0x17059
> > > >;
> > > };
> > >
> > > - pinctrl_gpio_leds: gpio-ledsgrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_UART3_RX_DATA__GPIO1_IO25 0x1b0b0 /* GPLED2 */
> > > - >;
> > > - };
> > > -
> > > pinctrl_gpio_key_wakeup: gpio-keys-wakeupgrp {
> > > fsl,pins = <
> > > MX6UL_PAD_SNVS_TAMPER8__GPIO5_IO08 0x17059
> > > >;
> > > };
> > >
> > > - pinctrl_i2c1: i2c1grp {
> > > + pinctrl_gpio_leds: gpio-ledsgrp {
> > > fsl,pins = <
> > > - MX6UL_PAD_CSI_PIXCLK__I2C1_SCL 0x4001b8b0
> > > - MX6UL_PAD_CSI_MCLK__I2C1_SDA 0x4001b8b0
> > > + MX6UL_PAD_UART3_RX_DATA__GPIO1_IO25 0x1b0b0 /* GPLED2 */
> > > >;
> > > };
> > >
> > > 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
> > > index d16e75164fd18..11b45f105b7ad 100644
> > > --- a/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-concerto.dts
> > > +++ b/arch/arm/boot/dts/nxp/imx/imx6ul-var-som-concerto.dts
> > > @@ -1,320 +1,18 @@
> > > // SPDX-License-Identifier: GPL-2.0+
> > > /*
> > > * Support for Variscite MX6 Concerto Carrier board with the VAR-SOM-6UL
> > > - * Variscite SoM mounted on it
> > > + * Variscite SoM mounted on it (6UL CPU variant).
> > > *
> > > * Copyright 2019 Variscite Ltd.
> > > * Copyright 2025 Bootlin
> > > */
> > >
> > > +/dts-v1/;
> > > +
> > > #include "imx6ul-var-som.dtsi"
> > > -#include <dt-bindings/leds/common.h>
> > > +#include "imx6ul-var-som-concerto-common.dtsi"
> > >
> > > / {
> > > - model = "Variscite VAR-SOM-6UL Concerto Board";
> > > + model = "Variscite VAR-SOM-6UL Concerto Board (6UL CPU)";
> > > compatible = "variscite,mx6ulconcerto", "variscite,var-som-imx6ul", "fsl,imx6ul";
> > > -
> > > - 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>;
> > > -
> > > - led-0 {
> > > - function = LED_FUNCTION_STATUS;
> > > - color = <LED_COLOR_ID_GREEN>;
> > > - label = "gpled2";
> > > - gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>;
> > > - linux,default-trigger = "heartbeat";
> > > - };
> > > - };
> > > -};
> > > -
> > > -&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>;
> > > - status = "okay";
> > > -
> > > - mdio {
> > > - #address-cells = <1>;
> > > - #size-cells = <0>;
> > > -
> > > - ethphy1: ethernet-phy@3 {
> > > - compatible = "ethernet-phy-ieee802.3-c22";
> > > - reg = <3>;
> > > - clocks = <&rmii_ref_clk>;
> > > - clock-names = "rmii-ref";
> > > - reset-gpios = <&gpio5 5 GPIO_ACTIVE_LOW>;
> > > - reset-assert-us = <100000>;
> > > - micrel,led-mode = <0>;
> > > - micrel,rmii-reference-clock-select-25-mhz;
> > > - };
> > > - };
> > > -};
> > > -
> > > -&i2c1 {
> > > - clock-frequency = <100000>;
> > > - pinctrl-names = "default";
> > > - pinctrl-0 = <&pinctrl_i2c1>;
> > > - status = "okay";
> > > -
> > > - 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>;
> > > - };
> > > -};
> > > -
> > > -&iomuxc {
> > > - pinctrl_enet2: enet2grp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN 0x1b0b0
> > > - MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER 0x1b0b0
> > > - MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0
> > > - MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0
> > > - MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN 0x1b0b0
> > > - MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0b0
> > > - MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0b0
> > > - MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b031
> > > - >;
> > > - };
> > > -
> > > - pinctrl_enet2_gpio: enet2-gpiogrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_SNVS_TAMPER5__GPIO5_IO05 0x1b0b0 /* fec2 reset */
> > > - >;
> > > - };
> > > -
> > > - pinctrl_enet2_mdio: enet2-mdiogrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_GPIO1_IO06__ENET2_MDIO 0x1b0b0
> > > - MX6UL_PAD_GPIO1_IO07__ENET2_MDC 0x1b0b0
> > > - >;
> > > - };
> > > -
> > > - pinctrl_flexcan1: flexcan1grp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX 0x1b020
> > > - MX6UL_PAD_UART3_CTS_B__FLEXCAN1_TX 0x1b020
> > > - >;
> > > - };
> > > -
> > > - pinctrl_gpio_key_back: gpio-key-backgrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_NAND_CE1_B__GPIO4_IO14 0x17059
> > > - >;
> > > - };
> > > -
> > > - pinctrl_gpio_leds: gpio-ledsgrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_UART3_RX_DATA__GPIO1_IO25 0x1b0b0 /* GPLED2 */
> > > - >;
> > > - };
> > > -
> > > - pinctrl_gpio_key_wakeup: gpio-keys-wakeupgrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_SNVS_TAMPER8__GPIO5_IO08 0x17059
> > > - >;
> > > - };
> > > -
> > > - pinctrl_i2c1: i2c1grp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_CSI_PIXCLK__I2C1_SCL 0x4001b8b0
> > > - MX6UL_PAD_CSI_MCLK__I2C1_SDA 0x4001b8b0
> > > - >;
> > > - };
> > > -
> > > - pinctrl_pwm4: pwm4grp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_GPIO1_IO05__PWM4_OUT 0x110b0
> > > - >;
> > > - };
> > > -
> > > - pinctrl_rtc: rtcgrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_JTAG_MOD__GPIO1_IO10 0x1b0b0 /* RTC alarm IRQ */
> > > - >;
> > > - };
> > > -
> > > - pinctrl_uart1: uart1grp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
> > > - MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
> > > - >;
> > > - };
> > > -
> > > - pinctrl_uart5: uart5grp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_CSI_DATA00__UART5_DCE_TX 0x1b0b1
> > > - MX6UL_PAD_CSI_DATA01__UART5_DCE_RX 0x1b0b1
> > > - MX6UL_PAD_GPIO1_IO09__UART5_DCE_CTS 0x1b0b1
> > > - MX6UL_PAD_GPIO1_IO08__UART5_DCE_RTS 0x1b0b1
> > > - >;
> > > - };
> > > -
> > > - pinctrl_usb_otg1_id: usbotg1idgrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_UART3_TX_DATA__ANATOP_OTG1_ID 0x17059
> > > - >;
> > > - };
> > > -
> > > - pinctrl_usdhc1: usdhc1grp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059
> > > - MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x17059
> > > - MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
> > > - MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
> > > - MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
> > > - MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
> > > - >;
> > > - };
> > > -
> > > - pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9
> > > - MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9
> > > - MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9
> > > - MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9
> > > - MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9
> > > - MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9
> > > - >;
> > > - };
> > > -
> > > - pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9
> > > - MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9
> > > - MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9
> > > - MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9
> > > - MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9
> > > - MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9
> > > - >;
> > > - };
> > > -
> > > - pinctrl_usdhc1_gpio: usdhc1-gpiogrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_GPIO1_IO00__GPIO1_IO00 0x1b0b1 /* CD */
> > > - >;
> > > - };
> > > -
> > > - pinctrl_wdog: wdoggrp {
> > > - fsl,pins = <
> > > - MX6UL_PAD_GPIO1_IO01__WDOG1_WDOG_B 0x78b0
> > > - >;
> > > - };
> > > -};
> > > -
> > > -&pwm4 {
> > > - pinctrl-names = "default";
> > > - pinctrl-0 = <&pinctrl_pwm4>;
> > > - status = "okay";
> > > -};
> > > -
> > > -&snvs_pwrkey {
> > > - status = "disabled";
> > > -};
> > > -
> > > -&snvs_rtc {
> > > - status = "disabled";
> > > -};
> > > -
> > > -&tsc {
> > > - /*
> > > - * Conflics with wdog1 ext-reset-output & SD CD pins,
> > > - * so we keep it disabled by default.
> > > - */
> > > - status = "disabled";
> > > -};
> > > -
> > > -/* Console UART */
> > > -&uart1 {
> > > - pinctrl-names = "default";
> > > - pinctrl-0 = <&pinctrl_uart1>;
> > > - status = "okay";
> > > -};
> > > -
> > > -/* ttymxc4 UART */
> > > -&uart5 {
> > > - pinctrl-names = "default";
> > > - pinctrl-0 = <&pinctrl_uart5>;
> > > - uart-has-rtscts;
> > > - status = "okay";
> > > -};
> > > -
> > > -&usbotg1 {
> > > - pinctrl-names = "default";
> > > - pinctrl-0 = <&pinctrl_usb_otg1_id>;
> > > - dr_mode = "otg";
> > > - disable-over-current;
> > > - srp-disable;
> > > - hnp-disable;
> > > - adp-disable;
> > > - status = "okay";
> > > -};
> > > -
> > > -&usbotg2 {
> > > - dr_mode = "host";
> > > - disable-over-current;
> > > - status = "okay";
> > > -};
> > > -
> > > -&usdhc1 {
> > > - pinctrl-names = "default", "state_100mhz", "state_200mhz";
> > > - pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_usdhc1_gpio>;
> > > - pinctrl-1 = <&pinctrl_usdhc1_100mhz>, <&pinctrl_usdhc1_gpio>;
> > > - pinctrl-2 = <&pinctrl_usdhc1_200mhz>, <&pinctrl_usdhc1_gpio>;
> > > - cd-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
> > > - no-1-8-v;
> > > - keep-power-in-suspend;
> > > - wakeup-source;
> > > - status = "okay";
> > > -};
> > > -
> > > -&wdog1 {
> > > - pinctrl-names = "default";
> > > - pinctrl-0 = <&pinctrl_wdog>;
> > > - /*
> > > - * To actually use ext-reset-output
> > > - * connect pins J17.3 & J17.8 on the Concerto-Board
> > > - */
> > > - fsl,ext-reset-output;
> > > };
> > > diff --git a/arch/arm/boot/dts/nxp/imx/imx6ull-var-som-concerto.dts b/arch/arm/boot/dts/nxp/imx/imx6ull-var-som-concerto.dts
> > > new file mode 100644
> > > index 0000000000000..7c601af2657d7
> > > --- /dev/null
> > > +++ b/arch/arm/boot/dts/nxp/imx/imx6ull-var-som-concerto.dts
> > > @@ -0,0 +1,17 @@
> > > +// SPDX-License-Identifier: GPL-2.0+
> > > +/*
> > > + * Support for Variscite MX6 Concerto Carrier board with the VAR-SOM-6UL
> > > + * Variscite SoM mounted on it (6ULL CPU variant).
> > > + *
> > > + * Copyright 2026 Dimonoff
> > > + */
> > > +
> > > +/dts-v1/;
> > > +
> > > +#include "imx6ull-var-som.dtsi"
> > > +#include "imx6ul-var-som-concerto-common.dtsi"
> > > +
> > > +/ {
> > > + model = "Variscite VAR-SOM-6UL Concerto Board (6ULL CPU)";
> > > + compatible = "variscite,mx6ullconcerto", "variscite,var-som-imx6ull", "fsl,imx6ull";
> > > +};
> > > --
> > > 2.47.3
> > >
> >
>
>
> --
> Hugo Villeneuve