Re: [PATCH v2 1/2] arm64: dts: ti: k3-am68-sk/k3-j721s2-mcu: Add bootph-all property to enable Ethernet boot

["Vankar, Chintan" <c-vankar@ti.com>]

Hello Vignesh,

On 3/3/2025 1:44 PM, Vignesh Raghavendra wrote:
> 
> 
> On 02/03/25 21:05, Chintan Vankar wrote:
>> 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 and J721S2-EVM.
>>
>> Signed-off-by: Chintan Vankar <c-vankar@ti.com>
>> ---
>>
>> Link to v1:
>> https://lore.kernel.org/r/20250106123122.3531845-2-c-vankar@ti.com/
>>
>> Changes from v1 to v2:
>> - No changes.
>>
>>   arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts | 3 +++
>>   arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 4 ++++
>>   2 files changed, 7 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 11522b36e0ce..8e9101dd2152 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
>> @@ -333,6 +333,7 @@ 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 {
>> @@ -340,6 +341,7 @@ 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 {
>> @@ -615,6 +617,7 @@ &mcu_cpsw {
>>   &davinci_mdio {
>>   	phy0: ethernet-phy@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;
>> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
>> index bc31266126d0..29cd4b1ffbbf 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
>> @@ -154,12 +154,14 @@ mcu_conf: bus@40f00000 {
>>   		cpsw_mac_syscon: ethernet-mac-syscon@200 {
>>   			compatible = "ti,am62p-cpsw-mac-efuse", "syscon";
>>   			reg = <0x200 0x8>;
>> +			bootph-all;
>>   		};
>>   
>>   		phy_gmii_sel: phy@4040 {
>>   			compatible = "ti,am654-phy-gmii-sel";
>>   			reg = <0x4040 0x4>;
>>   			#phy-cells = <1>;
>> +			bootph-all;
>>   		};
>>   
>>   	};
>> @@ -538,6 +540,7 @@ mcu_cpsw: ethernet@46000000 {
>>   		clocks = <&k3_clks 29 28>;
>>   		clock-names = "fck";
>>   		power-domains = <&k3_pds 29 TI_SCI_PD_EXCLUSIVE>;
>> +		bootph-all;
>>   
> 
> Since a child node has bootph-all, no need to put the same in the parent
> hierarchy.
> 

Thank you for pointing this out, I will remove it from the parent node
and post the next version.

Regards,
Chintan.

>>   		dmas = <&mcu_udmap 0xf000>,
>>   		       <&mcu_udmap 0xf001>,
>> @@ -562,6 +565,7 @@ cpsw_port1: port@1 {
>>   				label = "port1";
>>   				ti,syscon-efuse = <&cpsw_mac_syscon 0x0>;
>>   				phys = <&phy_gmii_sel 1>;
>> +				bootph-all;
>>   			};
>>   		};
>>   
> 
>