| Message ID | 1485755073-6416-1-git-send-email-jeremymc@redhat.com (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Delegated to: | Andy Gross |
| Headers | show |
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@linaro.org> Regards, Bjorn > Signed-off-by: Jeremy McNicoll <jeremymc@redhat.com> > --- > > [ 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 > -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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; + }; + }; + };
SMEM allows various subsystems/processors to share memory/data (heap format) in order to enable various peripherals. Signed-off-by: Jeremy McNicoll <jeremymc@redhat.com> --- [ 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(+)