Re: [PATCH 2/3] arm64: dts: qcom: sdm670: add qfprom node

[Bjorn Andersson <andersson@kernel.org>]

On Mon, Dec 05, 2022 at 06:01:15PM -0500, Richard Acayan wrote:
> Some hardware quirks and capabilities can be determined by reading the
> fuse-programmable read-only memory. Add the QFPROM node so consumers
> know if they need to do anything extra to support the hardware.
> 
> Signed-off-by: Richard Acayan <mailingradian@gmail.com>
> ---
>  arch/arm64/boot/dts/qcom/sdm670.dtsi | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm670.dtsi b/arch/arm64/boot/dts/qcom/sdm670.dtsi
> index f93705bc549f..933ad2fabf3a 100644
> --- a/arch/arm64/boot/dts/qcom/sdm670.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm670.dtsi
> @@ -731,6 +731,13 @@ gcc: clock-controller@100000 {
>  			#power-domain-cells = <1>;
>  		};
>  
> +		qfprom: qfprom@780000 {
> +			compatible = "qcom,sdm670-qfprom", "qcom,qfprom";
> +			reg = <0 0x780000 0 0x1000>;

I suspect the qfprom block is inherited from SDM845, if so 0x780000
contains raw, uncorrected data, while 0x784000 contains ECC-corrected
versions of these. Please validate and use the same.

Also, please pad the address to 8 digits, to make it easier to check the
sort order.

Thanks,
Bjorn

> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +		};
> +
>  		sdhc_1: mmc@7c4000 {
>  			compatible = "qcom,sdm670-sdhci", "qcom,sdhci-msm-v5";
>  			reg = <0 0x007c4000 0 0x1000>,
> -- 
> 2.38.1
>