linux-kernel - [PATCH V3 1/3] arm64: dts: imx8mp: Add easrc node

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Message-Id: <20230831044431.250338-1-aford173@gmail.com>
Date:   Wed, 30 Aug 2023 23:44:29 -0500
From:   Adam Ford <aford173@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     marex@...x.de, aford@...conembedded.com,
        Adam Ford <aford173@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Abel Vesa <abelvesa@...nel.org>, Peng Fan <peng.fan@....com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: [PATCH V3 1/3] arm64: dts: imx8mp: Add easrc node

The i.MX8MP has an asynchronous sample rate converter which seems
to be the same as what is available on the i.MX8M Nano.

Signed-off-by: Adam Ford <aford173@...il.com>
---
V3:  No Change.  The dt-binding update was already accepted into the sound tree, so that patch
     was dropped from the series

V2:  No Change.
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 83d907294fbc..3167706d81e1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1459,6 +1459,26 @@ sai7: sai@...80000 {
 					interrupts = <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>;
 					status = "disabled";
 				};
+
+				easrc: easrc@...90000 {
+					compatible = "fsl,imx8mp-easrc", "fsl,imx8mn-easrc";
+					reg = <0x30c90000 0x10000>;
+					interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_ASRC_IPG>;
+					clock-names = "mem";
+					dmas = <&sdma2 16 23 0> , <&sdma2 17 23 0>,
+					       <&sdma2 18 23 0> , <&sdma2 19 23 0>,
+					       <&sdma2 20 23 0> , <&sdma2 21 23 0>,
+					       <&sdma2 22 23 0> , <&sdma2 23 23 0>;
+					dma-names = "ctx0_rx", "ctx0_tx",
+						    "ctx1_rx", "ctx1_tx",
+						    "ctx2_rx", "ctx2_tx",
+						    "ctx3_rx", "ctx3_tx";
+					firmware-name = "imx/easrc/easrc-imx8mn.bin";
+					fsl,asrc-rate  = <8000>;
+					fsl,asrc-format = <2>;
+					status = "disabled";
+				};
 			};
 
 			sdma3: dma-controller@...00000 {
-- 
2.39.2