arm64: dts: smem enablement for msm8992

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>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/msm8992.dtsi b/arch/arm64/boot/dts/qcom/msm8992.dtsi
index 13fb6f7..1715787 100644 (file)
--- 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;
+               };
+       };
+
 };