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/msm8996-xiaomi-natrium.dtb: hwlock: 'reg' is a required property
> qcom/msm8996-xiaomi-natrium.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/msm8996.dtsi | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> index 3411ced96db6..166374566a49 100644
> --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
> @@ -363,12 +363,6 @@ 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 reg */
> @@ -838,9 +832,10 @@ pnoc: interconnect@5c0000 {
> <&rpmcc RPM_SMD_PCNOC_A_CLK>;
> };
>
> - tcsr_mutex_regs: syscon@740000 {
> - compatible = "syscon";
> + tcsr_mutex: hwlock@740000 {
> + compatible = "qcom,tcsr-mutex";
> reg = <0x00740000 0x20000>;
> + #hwlock-cells = <1>;
> };
>
> tcsr_1: sycon@760000 {
