From 71c8428e487d640d42f3fb7991e56914ea3f76b5 Mon Sep 17 00:00:00 2001 From: Sibi S Date: Mon, 30 Apr 2018 20:14:28 +0530 Subject: [PATCH] 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: Sibi Sankar Reviewed-by: Bjorn Andersson Signed-off-by: Andy Gross --- arch/arm64/boot/dts/qcom/sdm845.dtsi | 38 ++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 740c4182cbe1..71e45c14abc1 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -21,6 +21,27 @@ memory@80000000 { 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 @@ sleep_clk: sleep-clk { }; }; + 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 @@ spmi_bus: spmi@c440000 { 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>; -- 2.45.2