linux-kernel - [PATCH v15 5/5] arm64: dts: mt8183: add scp node

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Message-Id: <20190807104352.259767-6-pihsun@chromium.org>
Date:   Wed,  7 Aug 2019 18:43:46 +0800
From:   Pi-Hsun Shih <pihsun@...omium.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Pi-Hsun Shih <pihsun@...omium.org>,
        Eddie Huang <eddie.huang@...iatek.com>,
        Erin Lo <erin.lo@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Mediatek SoC
        support),
        linux-mediatek@...ts.infradead.org (moderated list:ARM/Mediatek SoC
        support), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v15 5/5] arm64: dts: mt8183: add scp node

From: Eddie Huang <eddie.huang@...iatek.com>

Add scp node to mt8183 and mt8183-evb

Signed-off-by: Erin Lo <erin.lo@...iatek.com>
Signed-off-by: Pi-Hsun Shih <pihsun@...omium.org>
Signed-off-by: Eddie Huang <eddie.huang@...iatek.com>
---
Changes from v14:
 - No change.

Changes from v13:
 - Change the size of the cfg register region.

Changes from v12, v11, v10:
 - No change.

Changes from v9:
 - Remove extra reserve-memory-vpu_share node.

Changes from v8:
 - New patch.
---
 arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 11 +++++++++++
 arch/arm64/boot/dts/mediatek/mt8183.dtsi    | 12 ++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
index d8e555cbb5d3..e46e34ce3159 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8183-evb.dts
@@ -24,6 +24,17 @@
 	chosen {
 		stdout-path = "serial0:921600n8";
 	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		scp_mem_reserved: scp_mem_region {
+			compatible = "shared-dma-pool";
+			reg = <0 0x50000000 0 0x2900000>;
+			no-map;
+		};
+	};
 };
 
 &auxadc {
diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index c2749c4631bc..871754c2f477 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -254,6 +254,18 @@
 			clock-names = "spi", "wrap";
 		};
 
+		scp: scp@...00000 {
+			compatible = "mediatek,mt8183-scp";
+			reg = <0 0x10500000 0 0x80000>,
+			      <0 0x105c0000 0 0x19080>;
+			reg-names = "sram", "cfg";
+			interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&infracfg CLK_INFRA_SCPSYS>;
+			clock-names = "main";
+			memory-region = <&scp_mem_reserved>;
+			status = "disabled";
+		};
+
 		auxadc: auxadc@...01000 {
 			compatible = "mediatek,mt8183-auxadc",
 				     "mediatek,mt8173-auxadc";
-- 
2.22.0.770.g0f2c4a37fd-goog