[V4,4/6] arm64: dts: smem enablement for msm8992

Commit Message

Jeremy McNicoll Jan. 27, 2017, 9:10 a.m. UTC

SMEM allows various subsystems/processors to share
memory/data (heap format) in order to enable various
peripherals.

Signed-off-by: Jeremy McNicoll <[e-mail]>
---
 arch/arm64/boot/dts/qcom/msm8992.dtsi | 42 +++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

Comments

Stephen Boyd Jan. 27, 2017, 7:58 p.m. UTC | #1

On 01/27, Jeremy McNicoll wrote:
> diff --git a/arch/arm64/boot/dts/qcom/msm8992.dtsi b/arch/arm64/boot/dts/qcom/msm8992.dtsi
> index 13fb6f7..2c05ec7 100644
> --- a/arch/arm64/boot/dts/qcom/msm8992.dtsi
> +++ b/arch/arm64/boot/dts/qcom/msm8992.dtsi
> +
> +		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>;
> +		};

Move these nodes outside soc node please.

Patch

diff --git a/arch/arm64/boot/dts/qcom/msm8992.dtsi b/arch/arm64/boot/dts/qcom/msm8992.dtsi
index 13fb6f7..2c05ec7 100644
--- a/arch/arm64/boot/dts/qcom/msm8992.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8992.dtsi
@@ -93,6 +93,11 @@ 
 				<0xf9002000 0x1000>;
 		};
 
+		apcs: syscon@f900d000 {
+			compatible = "syscon";
+			reg = <0xf900d000 0x2000>;
+		};
+
 		timer@f9020000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
@@ -183,12 +188,49 @@ 
 			#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>;
+		};
+
+		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>;
+		};
 	};
 
 	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;
+		};
+	};
+
 };