linux-kernel - Re: [PATCH v5 1/4] arm64: dts: ti: Add bootph property to nodes at source for am62a

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <dfc9feec-e385-451a-bdf0-0a02bb4b66a6@ti.com>
Date: Thu, 3 Jul 2025 11:23:37 +0530
From: Paresh Bhagat <p-bhagat@...com>
To: Bryan Brattlof <bb@...com>
CC: <nm@...com>, <vigneshr@...com>, <praneeth@...com>, <kristo@...nel.org>,
        <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <khasim@...com>, <v-singh1@...com>,
        <afd@...com>, <devarsht@...com>, <s-vadapalli@...com>,
        <andrew@...n.ch>
Subject: Re: [PATCH v5 1/4] arm64: dts: ti: Add bootph property to nodes at
 source for am62a

Hi Bryan,


On 01/07/25 21:38, Bryan Brattlof wrote:
> On June 27, 2025 thus sayeth Paresh Bhagat:
>> Add bootph property directly into the original definitions of relevant
>> nodes (e.g., power domains, USB controllers, and other peripherals)
>> within their respective DTSI files (ex. main, mcu, and wakeup) for
>> am62a.
>>
>> By defining bootph in the nodes source definitions instead of appending
>> it later in final DTS files, this change ensures that the property is
>> inherently present wherever the nodes are reused across derived device
>> trees.
>>
>> Signed-off-by: Paresh Bhagat <p-bhagat@...com>
>> ---
>>   arch/arm64/boot/dts/ti/k3-am62a-main.dtsi   | 14 ++++++++++++++
>>   arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi    |  1 +
>>   arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi |  2 ++
>>   3 files changed, 17 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
>> index 63e097ddf988..770f1258b0aa 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
>>   
> ...
>
>>   	main_pmx0: pinctrl@...00 {
>> @@ -262,6 +271,7 @@ main_pmx0: pinctrl@...00 {
>>   		#pinctrl-cells = <1>;
>>   		pinctrl-single,register-width = <32>;
>>   		pinctrl-single,function-mask = <0xffffffff>;
>> +		bootph-all;
>>   	};
> I don't think the boot phase flags for the pinmux nodes need to be here.
> The child nodes for the MMC, UART and Ethernet pins should take care of
> this.
>
> ...
>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
>> b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
>> index ee961ced7208..df4aa131097f 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
>> @@ -12,6 +12,7 @@ mcu_pmx0: pinctrl@...4000 {
>>   		#pinctrl-cells = <1>;
>>   		pinctrl-single,register-width = <32>;
>>   		pinctrl-single,function-mask = <0xffffffff>;
>> +		bootph-all;
>>   	};
> Same here. If we need any pins from the MCU domain during bootup those
> nodes can take care of adding the boot phase flag.
>
> ~Bryan


Will fix this thanks.