From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy McNicoll Subject: [PATCH V4 4/6] arm64: dts: smem enablement for msm8992 Date: Fri, 27 Jan 2017 01:10:03 -0800 Message-ID: <1485508205-1904-5-git-send-email-jeremymc@redhat.com> References: <1485508205-1904-1-git-send-email-jeremymc@redhat.com> Return-path: In-Reply-To: <1485508205-1904-1-git-send-email-jeremymc@redhat.com> Sender: linux-arm-msm-owner@vger.kernel.org To: linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-mmc@vger.kernel.org, linux-clk@vger.kernel.org Cc: andy.gross@linaro.org, sboyd@codeaurora.org, robh@kernel.org, arnd@arndb.de, bjorn.andersson@linaro.org, riteshh@codeaurora.org, git@kchr.de, ulf.hansson@linaro.org, jszhang@marvell.com, jeremymc@redhat.com List-Id: devicetree@vger.kernel.org SMEM allows various subsystems/processors to share memory/data (heap format) in order to enable various peripherals. Signed-off-by: Jeremy McNicoll --- arch/arm64/boot/dts/qcom/msm8992.dtsi | 42 +++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) 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; + }; + }; + }; -- 2.6.1