On Sun 29 Jan 21:44 PST 2017, Jeremy McNicoll wrote:
> SMEM allows various subsystems/processors to share
> memory/data (heap format) in order to enable various
> peripherals.
>
Fyi, the sfpb_mutex is actually called tcsr_mutex, but downstream kept
the old name...
Acked-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Regards,
Bjorn
> Signed-off-by: Jeremy McNicoll <jeremymc@xxxxxxxxxx>
> ---
>
> [ Moved sfpb_mutex and smem outside sock as they didn't have
> 'reg' entries. Everything else is exactly the same. ]
>
> arch/arm64/boot/dts/qcom/msm8992.dtsi | 42 +++++++++++++++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8992.dtsi b/arch/arm64/boot/dts/qcom/msm8992.dtsi
> index 13fb6f7..1715787 100644
> --- a/arch/arm64/boot/dts/qcom/msm8992.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8992.dtsi
> @@ -79,6 +79,19 @@
> regulator-always-on;
> };
>
> + sfpb_mutex: hwmutex {
> + compatible = "qcom,sfpb-mutex";
> + syscon = <&sfpb_mutex_regs 0x0 0x100>;
> + #hwlock-cells = <1>;
> + };
> +
> + smem {
> + compatible = "qcom,smem";
> + memory-region = <&smem_region>;
> + qcom,rpm-msg-ram = <&rpm_msg_ram>;
> + hwlocks = <&sfpb_mutex 3>;
> + };
> +
> soc {
> #address-cells = <1>;
> #size-cells = <1>;
> @@ -93,6 +106,11 @@
> <0xf9002000 0x1000>;
> };
>
> + apcs: syscon@f900d000 {
> + compatible = "syscon";
> + reg = <0xf900d000 0x2000>;
> + };
> +
> timer@f9020000 {
> #address-cells = <1>;
> #size-cells = <1>;
> @@ -183,12 +201,36 @@
> #power-domain-cells = <1>;
> reg = <0xfc400000 0x2000>;
> };
> +
> + rpm_msg_ram: memory@fc428000 {
> + compatible = "qcom,rpm-msg-ram";
> + reg = <0xfc428000 0x4000>;
> + };
> +
> + sfpb_mutex_regs: syscon@fd484000 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "syscon";
> + reg = <0xfd484000 0x400>;
> + };
> };
>
> memory {
> device_type = "memory";
> reg = <0 0 0 0>; // bootloader will update
> };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + smem_region: smem@6a00000 {
> + reg = <0x0 0x6a00000 0x0 0x200000>;
> + no-map;
> + };
> + };
> +
> };
>
>
> --
> 2.6.1
>
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