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

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Date:   Mon, 7 Aug 2023 10:04:37 +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 3/3] arm64: dts: ti: k3-j784s4-evm: 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-evm.dts | 23 +++++++++++++++++++++++
>   1 file changed, 23 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> index 1e38a8f1bec5..12455baf68b0 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> @@ -252,7 +252,9 @@ vdd_sd_dv: regulator-TLV71033 {
>   };
>   
>   &main_pmx0 {
> [...]
>   
>   	mcu_fss0_ospi1_pins_default: mcu-fss0-ospi1-default-pins {
> +		bootph-pre-ram;
>   		pinctrl-single,pins = <
>   			J784S4_WKUP_IOPAD(0x040, PIN_OUTPUT, 0) /* (F32) MCU_OSPI1_CLK */
>   			J784S4_WKUP_IOPAD(0x05c, PIN_OUTPUT, 0) /* (G32) MCU_OSPI1_CSn0 */

Unfortunately this is not under correct pin mux , OSPI1 falls under 
wkup_pmx1.

Patch under review is 
https://lore.kernel.org/all/20230802114126.162445-1-u-kumar1@ti.com/


> @@ -399,6 +409,7 @@ J784S4_WKUP_IOPAD(0x044, PIN_INPUT, 0) /* (C31) MCU_OSPI1_LBCLKO */
>   };
> [...]
>   
>