linux-kernel - [PATCH 2/4] arm64: dts: mediatek: cherry: Enable the Audio DSP for SOF

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Date:   Thu, 22 Sep 2022 11:49:06 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     matthias.bgg@...il.com
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, wenst@...omium.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH 2/4] arm64: dts: mediatek: cherry: Enable the Audio DSP for SOF

This platform is able to use the Audio DSP embedded into the
MT8195 SoC: in preparation for adding audio support for Cherry,
add the ADSP related memory nodes and enable it.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../arm64/boot/dts/mediatek/mt8195-cherry.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index bc7890300a57..3bc624e6f499 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -118,14 +118,32 @@ scp_mem: memory@...00000 {
 			no-map;
 		};
 
+		adsp_mem: memory@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x60000000 0 0xd80000>;
+			no-map;
+		};
+
 		afe_mem: memory@...80000 {
 			compatible = "shared-dma-pool";
 			reg = <0 0x60d80000 0 0x100000>;
 			no-map;
 		};
+
+		adsp_device_mem: memory@...80000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x60e80000 0 0x280000>;
+			no-map;
+		};
 	};
 };
 
+&adsp {
+	status = "okay";
+
+	memory-region = <&adsp_device_mem>, <&adsp_mem>;
+};
+
 &afe {
 	status = "okay";
 
-- 
2.37.2