Re: [RFT PATCH v2 13/14] arm64: dts: qcom: sdm630: switch TCSR mutex to MMIO

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On 17.08.2022 15:03, Krzysztof Kozlowski wrote:
> The TCSR mutex bindings allow device to be described only with address
> space (so it uses MMIO, not syscon regmap).  This seems reasonable as
> TCSR mutex is actually a dedicated IO address space and it also fixes DT
> schema checks:
> 
>   qcom/sdm636-sony-xperia-ganges-mermaid.dtb: hwlock: 'reg' is a required property
>   qcom/sdm636-sony-xperia-ganges-mermaid.dtb: hwlock: 'syscon' does not match any of the regexes: 'pinctrl-[0-9]+'
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
Not tested on a device, but looks good to the eye:
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>

Konrad
>  arch/arm64/boot/dts/qcom/sdm630.dtsi | 13 ++++---------
>  1 file changed, 4 insertions(+), 9 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> index 1bc9091cad2a..40a40d00eae4 100644
> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
> @@ -697,9 +697,10 @@ tsens: thermal-sensor@10ae000 {
>  			#thermal-sensor-cells = <1>;
>  		};
>  
> -		tcsr_mutex_regs: syscon@1f40000 {
> -			compatible = "syscon";
> -			reg = <0x01f40000 0x40000>;
> +		tcsr_mutex: hwlock@1f40000 {
> +			compatible = "qcom,tcsr-mutex";
> +			reg = <0x01f40000 0x20000>;
> +			#hwlock-cells = <1>;
>  		};
>  
>  		tlmm: pinctrl@3100000 {
> @@ -2351,12 +2352,6 @@ intc: interrupt-controller@17a00000 {
>  		};
>  	};
>  
> -	tcsr_mutex: hwlock {
> -		compatible = "qcom,tcsr-mutex";
> -		syscon = <&tcsr_mutex_regs 0 0x1000>;
> -		#hwlock-cells = <1>;
> -	};
> -
>  	sound: sound {
>  	};
>  



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