On 17.08.2022 15:03, Krzysztof Kozlowski wrote:
> The TCSR halt regs are next to TCSR mutex, so before converting the TCSR
> mutex into device with address space, we need to split the halt regs to
> its own syscon device. This also describes more accurately the devices
> and their IO address space.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
Not tested on a device, but looks good to the eye:
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Konrad
> arch/arm64/boot/dts/qcom/sc7180.dtsi | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 49f28cb531f6..5d2dd21da79c 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -1464,10 +1464,15 @@ ipa: ipa@1e40000 {
>
> tcsr_mutex_regs: syscon@1f40000 {
> compatible = "syscon";
> - reg = <0 0x01f40000 0 0x40000>;
> + reg = <0 0x01f40000 0 0x20000>;
> };
>
> - tcsr_regs: syscon@1fc0000 {
> + tcsr_regs_1: sycon@1f60000 {
> + compatible = "qcom,sc7180-tcsr", "syscon";
> + reg = <0 0x01f60000 0 0x20000>;
> + };
> +
> + tcsr_regs_2: syscon@1fc0000 {
> compatible = "qcom,sc7180-tcsr", "syscon";
> reg = <0 0x01fc0000 0 0x40000>;
> };
> @@ -1932,8 +1937,8 @@ remoteproc_mpss: remoteproc@4080000 {
> <&pdc_reset PDC_MODEM_SYNC_RESET>;
> reset-names = "mss_restart", "pdc_reset";
>
> - qcom,halt-regs = <&tcsr_mutex_regs 0x23000 0x25000 0x24000>;
> - qcom,spare-regs = <&tcsr_regs 0xb3e4>;
> + qcom,halt-regs = <&tcsr_regs_1 0x3000 0x5000 0x4000>;
> + qcom,spare-regs = <&tcsr_regs_2 0xb3e4>;
>
> status = "disabled";
>