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SubjectRe: [RFT PATCH v3 16/16] arm64: dts: qcom: sm8150: switch TCSR mutex to MMIO
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On 19.08.2022 10:32, 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/sm8150-mtp.dtb: hwlock: 'reg' is a required property
> qcom/sm8150-mtp.dtb: hwlock: 'syscon' does not match any of the regexes: 'pinctrl-[0-9]+'
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>

Konrad
> arch/arm64/boot/dts/qcom/sm8150.dtsi | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> index 6df2e6828282..da737ba54490 100644
> --- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
> @@ -585,12 +585,6 @@ scm: scm {
> };
> };
>
> - tcsr_mutex: hwlock {
> - compatible = "qcom,tcsr-mutex";
> - syscon = <&tcsr_mutex_regs 0 0x1000>;
> - #hwlock-cells = <1>;
> - };
> -
> memory@80000000 {
> device_type = "memory";
> /* We expect the bootloader to fill in the size */
> @@ -2054,9 +2048,10 @@ ipa_virt: interconnect@1e00000 {
> qcom,bcm-voters = <&apps_bcm_voter>;
> };
>
> - tcsr_mutex_regs: syscon@1f40000 {
> - compatible = "syscon";
> + tcsr_mutex: hwlock@1f40000 {
> + compatible = "qcom,tcsr-mutex";
> reg = <0x0 0x01f40000 0x0 0x20000>;
> + #hwlock-cells = <1>;
> };
>
> tcsr_regs_1: sycon@1f60000 {

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