[PATCH v4 1/2] arm64: dts: ti: k3-am68-sk-base-board: Add bootph-all property to enable Ethernet boot

Chintan Vankar c-vankar at ti.com
Tue Apr 29 00:26:43 PDT 2025


Ethernet boot requires CPSW nodes to be present starting from R5 SPL
stage. Add bootph-all property to required nodes to enable Ethernet boot
on AM68-SK.

Reviewed-by: Siddharth Vadapalli <s-vadapalli at ti.com>
Signed-off-by: Chintan Vankar <c-vankar at ti.com>
---

Link to v3:
https://lore.kernel.org/r/20250425051055.2393301-2-c-vankar@ti.com/

Changes from v3 to v4:
- As per Nishanth's suggestion, moved nodes which require "bootph-all"
  property into board specific file for AM68-SK.

 arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
index 5fa70a874d7b..e84c504c87d2 100644
--- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
@@ -344,6 +344,7 @@ J721S2_WKUP_IOPAD(0x008, PIN_OUTPUT, 0) /* (E22) MCU_RGMII1_TD3 */
 			J721S2_WKUP_IOPAD(0x018, PIN_OUTPUT, 0) /* (F21) MCU_RGMII1_TXC */
 			J721S2_WKUP_IOPAD(0x000, PIN_OUTPUT, 0) /* (F22) MCU_RGMII1_TX_CTL */
 		>;
+		bootph-all;
 	};
 
 	mcu_mdio_pins_default: mcu-mdio-default-pins {
@@ -351,6 +352,7 @@ mcu_mdio_pins_default: mcu-mdio-default-pins {
 			J721S2_WKUP_IOPAD(0x034, PIN_OUTPUT, 0) /* (A21) MCU_MDIO0_MDC */
 			J721S2_WKUP_IOPAD(0x030, PIN_INPUT, 0) /* (A22) MCU_MDIO0_MDIO */
 		>;
+		bootph-all;
 	};
 
 	mcu_mcan0_pins_default: mcu-mcan0-default-pins {
@@ -412,6 +414,14 @@ J721S2_WKUP_IOPAD(0x000, PIN_INPUT, 7) /* (K26) WKUP_GPIO0_49 */
 	};
 };
 
+&cpsw_mac_syscon {
+	bootph-all;
+};
+
+&phy_gmii_sel {
+	bootph-all;
+};
+
 &main_gpio0 {
 	status = "okay";
 	pinctrl-names = "default";
@@ -626,6 +636,7 @@ &mcu_cpsw {
 &davinci_mdio {
 	phy0: ethernet-phy at 0 {
 		reg = <0>;
+		bootph-all;
 		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
 		ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
 		ti,min-output-impedance;
@@ -635,6 +646,7 @@ phy0: ethernet-phy at 0 {
 &cpsw_port1 {
 	phy-mode = "rgmii-rxid";
 	phy-handle = <&phy0>;
+	bootph-all;
 };
 
 &mcu_mcan0 {
-- 
2.34.1




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