linux-kernel - [PATCH 2/3] arm64: dts: imx8qxp: Add DSP DT node

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Date:   Thu, 18 Jul 2019 18:13:45 +0300
From:   Daniel Baluta <daniel.baluta@....com>
To:     shawnguo@...nel.org
Cc:     robh+dt@...nel.org, mark.rutland@....com, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        daniel.baluta@....com, shengjiu.wang@....com, paul.olaru@....com,
        aisheng.dong@....com, leonard.crestez@....com, anson.huang@....com,
        peng.fan@....com, Frank.Li@....com, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        sound-open-firmware@...a-project.org
Subject: [PATCH 2/3] arm64: dts: imx8qxp: Add DSP DT node

This includes DSP reserved memory, ADMA DSP device and DSP MU
communication channels description.

Signed-off-by: Daniel Baluta <daniel.baluta@....com>
---
 arch/arm64/boot/dts/freescale/imx8qxp-mek.dts |  4 +++
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi    | 32 +++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
index bfdada2db176..19468058e6ae 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
@@ -230,3 +230,7 @@
 		>;
 	};
 };
+
+&adma_dsp {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 05fa0b7f36bb..6a4efb1f0fa2 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -113,6 +113,17 @@
 		interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		dsp_reserved: dsp@...00000 {
+			reg = <0 0x92400000 0 0x2000000>;
+			no-map;
+		};
+	};
+
 	pmu {
 		compatible = "arm,armv8-pmuv3";
 		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
@@ -204,6 +215,27 @@
 			#clock-cells = <1>;
 		};
 
+		adma_dsp: dsp@...e8000 {
+			compatible = "fsl,imx8qxp-dsp";
+			reg = <0x596e8000 0x88000>;
+			clocks = <&adma_lpcg IMX_ADMA_LPCG_DSP_IPG_CLK>,
+				<&adma_lpcg IMX_ADMA_LPCG_OCRAM_IPG_CLK>,
+				<&adma_lpcg IMX_ADMA_LPCG_DSP_CORE_CLK>;
+			clock-names = "ipg", "ocram", "core";
+			power-domains = <&pd IMX_SC_R_MU_13A>,
+				<&pd IMX_SC_R_MU_13B>,
+				<&pd IMX_SC_R_DSP>,
+				<&pd IMX_SC_R_DSP_RAM>;
+			mbox-names = "txdb0", "txdb1",
+				"rxdb0", "rxdb1";
+			mboxes = <&lsio_mu13 2 0>,
+				<&lsio_mu13 2 1>,
+				<&lsio_mu13 3 0>,
+				<&lsio_mu13 3 1>;
+			reserved-region = <&dsp_reserved>;
+			status = "disabled";
+		};
+
 		adma_lpuart0: serial@...60000 {
 			compatible = "fsl,imx8qxp-lpuart", "fsl,imx7ulp-lpuart";
 			reg = <0x5a060000 0x1000>;
-- 
2.17.1