linux-kernel - Re: [PATCH 2/3] arm64: dts: ti: k3-j784s4-mcu-wakeup: Add bootph-pre-ram property for SPL nodes

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Date:   Mon, 7 Aug 2023 10:01:16 +0530
From:   "Kumar, Udit" <u-kumar1@...com>
To:     Apurva Nandan <a-nandan@...com>, Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Hari Nagalla <hnagalla@...com>
Subject: Re: [PATCH 2/3] arm64: dts: ti: k3-j784s4-mcu-wakeup: Add
 bootph-pre-ram property for SPL nodes

Hi Apurva

On 8/6/2023 10:18 PM, Apurva Nandan wrote:
> Add bootph-pre-ram property for all the nodes used in SPL stage,
> for syncing it later to u-boot j784s4 dts.
>
> Signed-off-by: Apurva Nandan <a-nandan@...com>
> ---
>   arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi | 9 +++++++++
>   1 file changed, 9 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
> index 740ee794d7b9..57bf0261c343 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
> @@ -6,7 +6,9 @@
>    */
>   
>   &cbass_mcu_wakeup {
> +	bootph-pre-ram;
>   	sms: system-controller@...83000 {
> +		bootph-pre-ram;
>   		compatible = "ti,k2g-sci";
>   		ti,host-id = <12>;
>   
> @@ -19,22 +21,26 @@ sms: system-controller@...83000 {
>   		reg = <0x00 0x44083000 0x00 0x1000>;
>   
>   		k3_pds: power-controller {
> +			bootph-pre-ram;
>   			compatible = "ti,sci-pm-domain";
>   			#power-domain-cells = <2>;
>   		};
>   
>   		k3_clks: clock-controller {
> +			bootph-pre-ram;
>   			compatible = "ti,k2g-sci-clk";
>   			#clock-cells = <2>;
>   		};
>   
>   		k3_reset: reset-controller {
> +			bootph-pre-ram;
>   			compatible = "ti,sci-reset";
>   			#reset-cells = <2>;
>   		};
>   	};
>   
>   	chipid@...00014 {
> +		bootph-pre-ram;
>   		compatible = "ti,am654-chipid";
>   		reg = <0x00 0x43000014 0x00 0x4>;
>   	};
> @@ -442,6 +448,7 @@ mcu_spi2: spi@...20000 {
>   	};


mcu_timer0: timer@...00000 should be part of your list.

>   
>   	mcu_navss: bus@...80000 {
> +		bootph-pre-ram;
>   		compatible = "simple-bus";
>   		#address-cells = <2>;
>   		#size-cells = <2>;
> @@ -451,6 +458,7 @@ mcu_navss: bus@...80000 {
>   		dma-ranges;
>   
>   		mcu_ringacc: ringacc@...00000 {
> +			bootph-pre-ram;
>   			compatible = "ti,am654-navss-ringacc";
>   			reg = <0x00 0x2b800000 0x00 0x400000>,
>   			      <0x00 0x2b000000 0x00 0x400000>,
> @@ -465,6 +473,7 @@ mcu_ringacc: ringacc@...00000 {
>   		};
>   
>   		mcu_udmap: dma-controller@...c0000 {
> +			bootph-pre-ram;
>   			compatible = "ti,j721e-navss-mcu-udmap";
>   			reg = <0x00 0x285c0000 0x00 0x100>,
>   			      <0x00 0x2a800000 0x00 0x40000>,