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Commit 71c8428e authored by Sibi S's avatar Sibi S Committed by Andy Gross
Browse files

arm64: dts: qcom: Add SDM845 SMEM nodes 



Add all the necessary dt nodes to support SMEM driver
on SDM845. It also adds the required memory carveouts
so that the kernel does not access memory that is in
use.

Signed-off-by: default avatarSibi Sankar <sibis@codeaurora.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: default avatarAndy Gross <andy.gross@linaro.org>
parent 03208ff7

arch/arm64/boot/dts/qcom/sdm845.dtsi

+38 −0
Original line number Diff line number Diff line
@@ -21,6 +21,27 @@ 
		reg = <0 0x80000000 0 0>;

	};



	reserved-memory {

		#address-cells = <2>;

		#size-cells = <2>;

		ranges;



		memory@85fc0000 {

			reg = <0 0x85fc0000 0 0x20000>;

			no-map;

		};



		smem_mem: memory@86000000 {

			reg = <0x0 0x86000000 0x0 0x200000>;

			no-map;

		};



		memory@86200000 {

			reg = <0 0x86200000 0 0x2d00000>;

			no-map;

		};

	};



	cpus {

		#address-cells = <2>;

		#size-cells = <0>;
@@ -147,6 +168,18 @@ 
		};

	};



	tcsr_mutex: hwlock {

		compatible = "qcom,tcsr-mutex";

		syscon = <&tcsr_mutex_regs 0 0x1000>;

		#hwlock-cells = <1>;

	};



	smem {

		compatible = "qcom,smem";

		memory-region = <&smem_mem>;

		hwlocks = <&tcsr_mutex 3>;

	};



	psci {

		compatible = "arm,psci-1.0";

		method = "smc";
@@ -273,6 +306,11 @@ 
			cell-index = <0>;

		};



		tcsr_mutex_regs: syscon@1f40000 {

			compatible = "syscon";

			reg = <0x1f40000 0x40000>;

		};



		apss_shared: mailbox@17990000 {

			compatible = "qcom,sdm845-apss-shared";

			reg = <0x17990000 0x1000>;