Thread (33 messages) 33 messages, 4 authors, 2026-03-05

Re: [PATCH 07/14] ARM: dts: imx6ul-var-som-concerto: Factor out common parts for all CPU variants

From: Frank Li <Frank.li@nxp.com>
Date: 2026-03-02 21:28:33
Also in: dri-devel, imx, linux-arm-kernel, lkml

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 [off-list ref] wrote:
quoted
On Mon, Mar 02, 2026 at 02:03:43PM -0500, Hugo Villeneuve wrote:
quoted
From: Hugo Villeneuve <hvilleneuve@dimonoff.com>

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 ...
quoted
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
quoted
quoted
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
---
 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
quoted
Frank
quoted
 	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 = <&ethphy1>;
-	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
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