linux-kernel - [PATCH v2 2/2] arm64: dts: imx8mp: add reserve-memory nodes for DSP

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Date:   Tue, 12 Sep 2023 18:30:21 +0300
From:   "Iuliana Prodan (OSS)" <iuliana.prodan@....nxp.com>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        Shawn Guo <shawnguo@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        "S.J. Wang" <shengjiu.wang@....com>,
        Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
        Daniel Baluta <daniel.baluta@....com>,
        Mpuaudiosw <Mpuaudiosw@....com>,
        Iuliana Prodan <iuliana.prodan@....com>
Cc:     linux-imx <linux-imx@....com>, linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        LnxRevLi <LnxRevLi@....com>
Subject: [PATCH v2 2/2] arm64: dts: imx8mp: add reserve-memory nodes for DSP

From: Iuliana Prodan <iuliana.prodan@....com>

Add the reserve-memory nodes used by DSP when the rpmsg
feature is enabled.

Signed-off-by: Iuliana Prodan <iuliana.prodan@....com>
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index cc406bb338fe..59e672382b07 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -211,6 +211,19 @@
 			reg = <0 0x92400000 0 0x2000000>;
 			no-map;
 		};
+		dsp_vdev0vring0: vdev0vring0@...f0000 {
+			reg = <0 0x942f0000 0 0x8000>;
+			no-map;
+		};
+		dsp_vdev0vring1: vdev0vring1@...f8000 {
+			reg = <0 0x942f8000 0 0x8000>;
+			no-map;
+		};
+		dsp_vdev0buffer: vdev0buffer@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x94300000 0 0x100000>;
+			no-map;
+		};
 	};
 
 	pmu {
-- 
2.17.1