[PATCH 1/6] arm: dts: imx8mn-var-som: Move SOM-specific nodes to SOM u-boot.dtsi

Hugo Villeneuve hugo at hugovil.com
Fri Feb 6 21:55:24 CET 2026


From: Hugo Villeneuve <hvilleneuve at dimonoff.com>

Move SOM-specific stuff into a new SOM u-boot.dtsi file.
This way, it can be used by multiple boards.

Signed-off-by: Hugo Villeneuve <hvilleneuve at dimonoff.com>
---
 .../dts/imx8mn-var-som-symphony-u-boot.dtsi   | 63 +------------------
 ...u-boot.dtsi => imx8mn-var-som-u-boot.dtsi} | 39 +++---------
 2 files changed, 9 insertions(+), 93 deletions(-)
 copy arch/arm/dts/{imx8mn-var-som-symphony-u-boot.dtsi => imx8mn-var-som-u-boot.dtsi} (75%)

diff --git a/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi b/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
index 2bbc4a49418..a94a571df5e 100644
--- a/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
+++ b/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
@@ -3,52 +3,7 @@
  * Copyright 2021 Collabora Ltd.
  */
 
-#include "imx8mn-u-boot.dtsi"
-
-&{/soc at 0/bus at 30800000/i2c at 30a20000/pmic at 4b} {
-	bootph-pre-ram;
-};
-
-&{/soc at 0/bus at 30800000/i2c at 30a20000/pmic at 4b/regulators} {
-	bootph-pre-ram;
-};
-
-&eeprom_som {
-	#address-cells = <1>;
-	#size-cells = <1>;
-	eth_mac_address: eth-mac-address at 19 {
-		reg = <0x19 0x06>;
-	};
-};
-
-&fec1 {
-	nvmem-cells = <&eth_mac_address>;
-	nvmem-cell-names = "mac-address";
-};
-
-&gpio1 {
-	bootph-pre-ram;
-};
-
-&gpio2 {
-	bootph-pre-ram;
-};
-
-&gpio4 {
-	bootph-pre-ram;
-};
-
-&i2c1 {
-	bootph-all;
-};
-
-&pinctrl_i2c1 {
-	bootph-all;
-};
-
-&pinctrl_pmic {
-	bootph-pre-ram;
-};
+#include "imx8mn-var-som-u-boot.dtsi"
 
 &pinctrl_reg_usdhc2_vmmc {
 	bootph-pre-ram;
@@ -62,14 +17,6 @@
 	bootph-pre-ram;
 };
 
-&pinctrl_usdhc3 {
-	bootph-pre-ram;
-};
-
-&pinctrl_wdog {
-	bootph-pre-ram;
-};
-
 &uart4 {
 	bootph-pre-ram;
 };
@@ -77,11 +24,3 @@
 &usdhc2 {
 	bootph-pre-ram;
 };
-
-&usdhc3 {
-	bootph-pre-ram;
-};
-
-&eeprom_som {
-	bootph-all;
-};
diff --git a/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi b/arch/arm/dts/imx8mn-var-som-u-boot.dtsi
similarity index 75%
copy from arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
copy to arch/arm/dts/imx8mn-var-som-u-boot.dtsi
index 2bbc4a49418..c27ad08377e 100644
--- a/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
+++ b/arch/arm/dts/imx8mn-var-som-u-boot.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright 2021 Collabora Ltd.
+ * Copyright 2025 Dimonoff
  */
 
 #include "imx8mn-u-boot.dtsi"
@@ -14,6 +14,7 @@
 };
 
 &eeprom_som {
+	bootph-all;
 	#address-cells = <1>;
 	#size-cells = <1>;
 	eth_mac_address: eth-mac-address at 19 {
@@ -42,46 +43,22 @@
 	bootph-all;
 };
 
+&usdhc3 {
+	bootph-pre-ram;
+};
+
 &pinctrl_i2c1 {
 	bootph-all;
 };
 
-&pinctrl_pmic {
-	bootph-pre-ram;
-};
-
-&pinctrl_reg_usdhc2_vmmc {
-	bootph-pre-ram;
-};
-
-&pinctrl_uart4 {
-	bootph-pre-ram;
-};
-
-&pinctrl_usdhc2 {
-	bootph-pre-ram;
-};
-
-&pinctrl_usdhc3 {
-	bootph-pre-ram;
-};
-
 &pinctrl_wdog {
 	bootph-pre-ram;
 };
 
-&uart4 {
+&pinctrl_pmic {
 	bootph-pre-ram;
 };
 
-&usdhc2 {
+&pinctrl_usdhc3 {
 	bootph-pre-ram;
 };
-
-&usdhc3 {
-	bootph-pre-ram;
-};
-
-&eeprom_som {
-	bootph-all;
-};
-- 
2.47.3



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