linux-kernel - [PATCHv9 2/8] arm64: dts: stratix10: add stratix10 service driver binding to base dtsi

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Date:   Thu,  6 Sep 2018 14:25:04 -0500
From:   richard.gong@...ux.intel.com
To:     gregkh@...uxfoundation.org, 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, corbet@....net
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-fpga@...r.kernel.org,
        linux-doc@...r.kernel.org, yves.vandervennet@...ux.intel.com,
        richard.gong@...el.com
Subject: [PATCHv9 2/8] arm64: dts: stratix10: add stratix10 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>
Acked-by: Moritz Fischer <mdf@...nel.org>
---
v2: change to put service layer driver node under the firmware node
    change compatible to "intel, stratix10-svc"
v3: no change
v4: s/service driver/stratix10 service driver/ in subject line
v5: no change
v6: add Moritz's Acked-by
v7: no change
v8: no change
v9: no change
---
 arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index d033da4..ee4715a 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -24,6 +24,19 @@
 	#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>;
@@ -493,5 +506,13 @@
 
 			status = "disabled";
 		};
+
+		firmware {
+			svc {
+				compatible = "intel,stratix10-svc";
+				method = "smc";
+				memory-region = <&service_reserved>;
+			};
+		};
 	};
 };
-- 
2.7.4