linux-kernel - [PATCH] arm64: dts: meson: vim3: add NNA node

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Date:   Sat,  5 Jun 2021 11:10:07 +0800
From:   xieqinick@...il.com
To:     robh+dt@...nel.org, narmstrong@...libre.com, khilman@...libre.com,
        jbrunet@...libre.com, martin.blumenstingl@...glemail.com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     nick@...das.com, artem@...das.com
Subject: [PATCH] arm64: dts: meson: vim3: add NNA node

From: Nick Xie <nick@...das.com>

Add Neural Network Accelerator device tree node
for Khadas VIM3.

Signed-off-by: Nick Xie <nick@...das.com>
---
 .../amlogic/meson-g12b-a311d-khadas-vim3.dts  | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
index 124a80901084..4aa2b20bfbf2 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
@@ -13,6 +13,41 @@
 
 / {
 	compatible = "khadas,vim3", "amlogic,a311d", "amlogic,g12b";
+
+	reserved-memory {
+		galcore_reserved:linux,galcore {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x0 0x1000000>;
+			alignment = <0x0 0x400000>;
+			linux,contiguous-region;
+		};
+	};
+
+	galcore {
+		compatible = "amlogic, galcore";
+		dev_name = "galcore";
+		status = "okay";
+		clocks = <&clkc CLKID_NNA_AXI_CLK>,
+			<&clkc CLKID_NNA_CORE_CLK>;
+		clock-names = "cts_vipnanoq_axi_clk_composite",
+			"cts_vipnanoq_core_clk_composite";
+		interrupts = <0 147 4>;
+		interrupt-names = "galcore";
+		reg = <0x0 0xff100000 0x0 0x800
+			0x0 0xff000000 0x0 0x400000
+			0x0 0xff63c10c 0x0 0x4
+			0x0 0xff63c110 0x0 0x4
+			0x0 0xffd01088 0x0 0x4
+			0X0 0xff63c1c8 0X0 0x4
+			>;
+		reg-names = "NN_REG","NN_SRAM","NN_MEM0",
+			"NN_MEM1","NN_RESET","NN_CLK";
+		nn_power_version = <2>;
+		nn_efuse = <0xff63003c 0x20>;
+
+		memory-region = <&galcore_reserved>;
+	};
 };
 
 /*
-- 
2.25.1