[PATCH v4 4/5] arm64: dts: ti: k3-j721e: disable "mcu_cpsw" in SoC file and enable it in board file

Siddharth Vadapalli s-vadapalli at ti.com
Wed Oct 15 04:13:36 PDT 2025


Following the existing convention of disabling nodes in the SoC file and
enabling only the required ones in the board file, disable "mcu_cpsw" node
in the SoC file "k3-j721e-mcu-wakeup.dtsi" and enable it in the board
files:
a) k3-j721e-beagleboneai64.dts
b) k3-j721e-common-proc-board.dts
c) k3-j721e-sk.dts

Signed-off-by: Siddharth Vadapalli <s-vadapalli at ti.com>
---

v3 of this patch is at:
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20251014125349.3408784-5-s-vadapalli@ti.com/
Changes since v3:
- Rebased patch on next-20251014.
- Enabled cpsw in k3-j721e-beagleboneai64.dts and k3-j721e-sk.dts

 arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts    | 1 +
 arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts | 1 +
 arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi       | 2 ++
 arch/arm64/boot/dts/ti/k3-j721e-sk.dts                | 1 +
 4 files changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
index 352fb60e6ce8..9907ef641ffc 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
@@ -663,6 +663,7 @@ adc {
 &mcu_cpsw {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mcu_cpsw_pins_default>;
+	status = "okay";
 };
 
 &davinci_mdio {
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 45311438315f..5906dfa97205 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -769,6 +769,7 @@ exp5: gpio at 20 {
 &mcu_cpsw {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mcu_cpsw_pins_default>, <&mcu_mdio_pins_default>;
+	status = "okay";
 };
 
 &davinci_mdio {
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
index 42a21398e389..d5e5e89be5e9 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
@@ -551,6 +551,8 @@ mcu_cpsw: ethernet at 46000000 {
 			    "tx4", "tx5", "tx6", "tx7",
 			    "rx";
 
+		status = "disabled";
+
 		ethernet-ports {
 			#address-cells = <1>;
 			#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
index 5e5784ef6f85..0c65c541b02b 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
@@ -1034,6 +1034,7 @@ &usb1 {
 &mcu_cpsw {
 	pinctrl-names = "default";
 	pinctrl-0 = <&mcu_cpsw_pins_default>, <&mcu_mdio_pins_default>;
+	status = "okay";
 };
 
 &davinci_mdio {
-- 
2.51.0




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