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Commit 4255db14 authored by Jeremy McNicoll's avatar Jeremy McNicoll Committed by Andy Gross
Browse files

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: default avatarJeremy McNicoll <jeremymc@redhat.com>
Signed-off-by: default avatarAndy Gross <andy.gross@linaro.org>
parent 75a3f782

arch/arm64/boot/dts/qcom/msm8992.dtsi

+42 −0
Original line number Diff line number Diff line
@@ -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;

		};

	};



};