[PATCH v11 5/5] arm64: dts: mt8183: add scp node

Pi-Hsun Shih pihsun at chromium.org
Wed Jun 12 21:06:52 PDT 2019


From: Eddie Huang <eddie.huang at mediatek.com>

Add scp node to mt8183 and mt8183-evb

Signed-off-by: Erin Lo <erin.lo at mediatek.com>
Signed-off-by: Pi-Hsun Shih <pihsun at chromium.org>
Signed-off-by: Eddie Huang <eddie.huang at mediatek.com>
---
Changes from 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..133146b52904 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 at 10500000 {
+			compatible = "mediatek,mt8183-scp";
+			reg = <0 0x10500000 0 0x80000>,
+			      <0 0x105c0000 0 0x5000>;
+			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 at 11001000 {
 			compatible = "mediatek,mt8183-auxadc",
 				     "mediatek,mt8173-auxadc";
-- 
2.22.0.rc2.383.gf4fbbf30c2-goog




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