ARM: dts: msm: Add APPS RSC device bindings for sdm670

Add device bindings for the apps processor's RSC. The RSC
contains the TCS that will be used to send sleep/wake/active
requests to the RPMH blocks for the APPS processor.

Change-Id: I24327e69fac38a9ee08349a4435fc0727137a011
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/sdm670.dtsi b/arch/arm64/boot/dts/qcom/sdm670.dtsi
index ef5296f..9679567 100644
--- a/arch/arm64/boot/dts/qcom/sdm670.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm670.dtsi
@@ -19,6 +19,7 @@
 #include <dt-bindings/clock/qcom,videocc-sdm845.h>
 #include <dt-bindings/clock/qcom,cpucc-sdm845.h>
 #include <dt-bindings/clock/qcom,rpmh.h>
+#include <dt-bindings/soc/qcom,tcs-mbox.h>
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
 
 / {
@@ -995,6 +996,19 @@
 		reg = <0xc3f000c 0x8>;
 	};
 
+	apps_rsc: mailbox@179e0000 {
+		compatible = "qcom,tcs-drv";
+		label = "apps_rsc";
+		reg = <0x179e0000 0x100>, <0x179e0d00 0x3000>;
+		interrupts = <0 5 0>;
+		#mbox-cells = <1>;
+		qcom,drv-id = <2>;
+		qcom,tcs-config = <ACTIVE_TCS  2>,
+				<SLEEP_TCS     3>,
+				<WAKE_TCS      3>,
+				<CONTROL_TCS   1>;
+	};
+
 	dcc: dcc_v2@10a2000 {
 		compatible = "qcom,dcc_v2";
 		reg = <0x10a2000 0x1000>,