linux-kernel - [PATCH v5 04/13] arm64: dts: qcom: sc7180: Add cmd

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Message-Id: <20191108092824.9773-5-rnayak@codeaurora.org>
Date:   Fri,  8 Nov 2019 14:58:15 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     agross@...nel.org, robh+dt@...nel.org, bjorn.andersson@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, mka@...omium.org,
        swboyd@...omium.org, Maulik Shah <mkshah@...eaurora.org>,
        Rajendra Nayak <rnayak@...eaurora.org>
Subject: [PATCH v5 04/13] arm64: dts: qcom: sc7180: Add cmd_db reserved area

From: Maulik Shah <mkshah@...eaurora.org>

Command_db provides mapping for resource key and address managed
by remote processor. Add cmd_db reserved memory area.

Signed-off-by: Maulik Shah <mkshah@...eaurora.org>
Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 383593142f07..af9626da4edb 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -30,6 +30,18 @@
 		};
 	};
 
+	reserved_memory: reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		aop_cmd_db_mem: memory@...20000 {
+			reg = <0x0 0x80820000 0x0 0x20000>;
+			compatible = "qcom,cmd-db";
+			no-map;
+		};
+	};
+
 	cpus {
 		#address-cells = <2>;
 		#size-cells = <0>;
-- 
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