linux-kernel - [PATCHv3 2/7] arm64: dts: stratix10: add service driver binding to base dtsi

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Message-Id: <1522182014-7338-3-git-send-email-richard.gong@linux.intel.com>
Date:   Tue, 27 Mar 2018 15:20:09 -0500
From:   richard.gong@...ux.intel.com
To:     catalin.marinas@....com, will.deacon@....com, dinguyen@...nel.org,
        robh+dt@...nel.org, mark.rutland@....com, atull@...nel.org,
        mdf@...nel.org, arnd@...db.de, gregkh@...uxfoundation.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-fpga@...r.kernel.org,
        yves.vandervennet@...ux.intel.com, richard.gong@...ux.intel.com,
        richard.gong@...el.com
Subject: [PATCHv3 2/7] arm64: dts: stratix10: add service driver binding to base dtsi

From: Richard Gong <richard.gong@...el.com>

Add Intel Stratix10 service layer to the device tree

Signed-off-by: Richard Gong <richard.gong@...el.com>
Signed-off-by: Alan Tull <atull@...nel.org>
---
v2: Change to put service layer driver node under the firmware node
    Change compatible to "intel, stratix10-svc"
v3: No change
---
 arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index 5a6a699..4395e76 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -24,6 +24,20 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		service_reserved: svcbuffer@0 {
+			compatible = "shared-dma-pool";
+			reg = <0x0 0x0 0x0 0x1000000>;
+			alignment = <0x1000>;
+			no-map;
+		};
+	};
+
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -433,5 +447,13 @@
 			resets = <&rst WATCHDOG3_RESET>;
 			status = "disabled";
 		};
+
+		firmware {
+			svc {
+				compatible = "intel,stratix10-svc";
+				method = "smc";
+				memory-region = <&service_reserved>;
+			};
+		};
 	};
 };
-- 
2.7.4