MLK-23585-4: arm64: dts: Enable audio features for imx8dxl-evk

Enable SAI/ASRC/WM8960
1. Update the interrupt number for audio modules
2. Enable 3 wm8960 codecs

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>

4 files changed, 247 insertions, 24 deletions

diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi
index e430afe4194f..13796cff0b64 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-audio.dtsi
@@ -35,11 +35,13 @@ audio_subsys: bus@59000000 {
 			<0x592d0000 0x10000>, /* sai0 tx */
 			<0x592e0000 0x10000>, /* sai1 rx */
 			<0x592f0000 0x10000>, /* sai1 tx */
+			<0x59300000 0x10000>, /* sai2 rx */
+			<0x59310000 0x10000>, /* sai3 rx */
 			<0x59350000 0x10000>,
 			<0x59370000 0x10000>;
 		#dma-cells = <3>;
 		shared-interrupt;
-		dma-channels = <16>;
+		dma-channels = <18>;
 		interrupts = <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>, /* asrc 0 */
 				<GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>,
 				<GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>,
@@ -54,6 +56,8 @@ audio_subsys: bus@59000000 {
 				<GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
 				<GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>, /* sai1 */
 				<GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 319 IRQ_TYPE_LEVEL_HIGH>, /* sai2 */
+				<GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>, /* sai3 */
 				<GIC_SPI 391 IRQ_TYPE_LEVEL_HIGH>,
 				<GIC_SPI 393 IRQ_TYPE_LEVEL_HIGH>;
 		interrupt-names = "edma0-chan0-rx", "edma0-chan1-rx", /* asrc0 */
@@ -63,6 +67,7 @@ audio_subsys: bus@59000000 {
 				"edma0-chan8-rx", "edma0-chan9-tx", /* spdif0 */
 				"edma0-chan12-rx", "edma0-chan13-tx", /* sai0 */
 				"edma0-chan14-rx", "edma0-chan15-tx", /* sai1 */
+				"edma0-chan16-rx", "edma0-chan17-rx", /* sai2, sai3 */
 				"edma0-chan21-tx",              /* gpt5 */
 				"edma0-chan23-rx";              /* gpt7 */
 		power-domains = <&pd IMX_SC_R_DMA_0_CH0>,
@@ -79,6 +84,8 @@ audio_subsys: bus@59000000 {
 				<&pd IMX_SC_R_DMA_0_CH13>,
 				<&pd IMX_SC_R_DMA_0_CH14>,
 				<&pd IMX_SC_R_DMA_0_CH15>,
+				<&pd IMX_SC_R_DMA_0_CH16>,
+				<&pd IMX_SC_R_DMA_0_CH17>,
 				<&pd IMX_SC_R_DMA_0_CH21>,
 				<&pd IMX_SC_R_DMA_0_CH23>;
 		power-domain-names = "edma0-chan0", "edma0-chan1",
@@ -88,6 +95,7 @@ audio_subsys: bus@59000000 {
 				     "edma0-chan8", "edma0-chan9",
 				     "edma0-chan12", "edma0-chan13",
 				     "edma0-chan14", "edma0-chan15",
+				     "edma0-chan16", "edma0-chan17",
 				     "edma0-chan21", "edma0-chan23";
 		status = "okay";
 	};
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index 1642dbf31977..9af2ea59b675 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -155,6 +155,105 @@
 		gpio = <&pca6416_1 10 GPIO_ACTIVE_LOW>;
 		regulator-always-on;
 	};
+
+	clock_mclk_out1: clock_mclk_out1 {
+		compatible = "gpio-gate-clock";
+		clocks = <&mclkout1_lpcg 0>;
+		#clock-cells = <0>;
+		enable-gpios = <&pca6416_1 4 GPIO_ACTIVE_HIGH>;
+	};
+
+	sound-wm8960 {
+		compatible = "fsl,imx7d-evk-wm8960",
+			   "fsl,imx-audio-wm8960";
+		model = "wm8960-audio";
+		cpu-dai = <&sai1>;
+		audio-codec = <&wm8960_1>;
+		asrc-controller = <&asrc0>;
+		codec-master;
+		/*
+		 * hp-det = <hp-det-pin hp-det-polarity>;
+		 * hp-det-pin: JD1 JD2  or JD3
+		 * hp-det-polarity = 0: hp detect high for headphone
+		 * hp-det-polarity = 1: hp detect high for speaker
+		 */
+		hp-det = <2 0>;
+		hp-det-gpios = <&pca6416_3 2 GPIO_ACTIVE_HIGH>;
+		mic-det-gpios = <&pca6416_3 2 GPIO_ACTIVE_HIGH>;
+		audio-routing =
+			"Headphone Jack", "HP_L",
+			"Headphone Jack", "HP_R",
+			"Ext Spk", "SPK_LP",
+			"Ext Spk", "SPK_LN",
+			"Ext Spk", "SPK_RP",
+			"Ext Spk", "SPK_RN",
+			"LINPUT1", "Mic Jack",
+			"Mic Jack", "MICB",
+			"CPU-Playback", "ASRC-Playback",
+			"Playback", "CPU-Playback",
+			"ASRC-Capture", "CPU-Capture",
+			"CPU-Capture", "Capture";
+	};
+
+	sound-wm8960-2 {
+		compatible = "fsl,imx7d-evk-wm8960",
+			   "fsl,imx-audio-wm8960";
+		model = "wm8960-audio-2";
+		cpu-dai = <&sai2>;
+		audio-codec = <&wm8960_2>;
+		codec-master;
+		capture-only;
+		/*
+		 * hp-det = <hp-det-pin hp-det-polarity>;
+		 * hp-det-pin: JD1 JD2  or JD3
+		 * hp-det-polarity = 0: hp detect high for headphone
+		 * hp-det-polarity = 1: hp detect high for speaker
+		 */
+		hp-det = <2 0>;
+		hp-det-gpios = <&pca6416_3 3 GPIO_ACTIVE_HIGH>;
+		mic-det-gpios = <&pca6416_3 3 GPIO_ACTIVE_HIGH>;
+		audio-routing =
+			"Headphone Jack", "HP_L",
+			"Headphone Jack", "HP_R",
+			"Ext Spk", "SPK_LP",
+			"Ext Spk", "SPK_LN",
+			"Ext Spk", "SPK_RP",
+			"Ext Spk", "SPK_RN",
+			"LINPUT1", "Mic Jack",
+			"Mic Jack", "MICB",
+			"Playback", "CPU-Playback",
+			"CPU-Capture", "Capture";
+	};
+
+	sound-wm8960-3 {
+		compatible = "fsl,imx7d-evk-wm8960",
+			   "fsl,imx-audio-wm8960";
+		model = "wm8960-audio-3";
+		cpu-dai = <&sai3>;
+		audio-codec = <&wm8960_3>;
+		codec-master;
+		capture-only;
+		/*
+		 * hp-det = <hp-det-pin hp-det-polarity>;
+		 * hp-det-pin: JD1 JD2  or JD3
+		 * hp-det-polarity = 0: hp detect high for headphone
+		 * hp-det-polarity = 1: hp detect high for speaker
+		 */
+		hp-det = <2 0>;
+		hp-det-gpios = <&pca6416_3 4 GPIO_ACTIVE_HIGH>;
+		mic-det-gpios = <&pca6416_3 4 GPIO_ACTIVE_HIGH>;
+		audio-routing =
+			"Headphone Jack", "HP_L",
+			"Headphone Jack", "HP_R",
+			"Ext Spk", "SPK_LP",
+			"Ext Spk", "SPK_LN",
+			"Ext Spk", "SPK_RP",
+			"Ext Spk", "SPK_RN",
+			"LINPUT1", "Mic Jack",
+			"Mic Jack", "MICB",
+			"Playback", "CPU-Playback",
+			"CPU-Capture", "Capture";
+	};
 };
 
 &adc0 {
@@ -239,18 +338,60 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x1>;
+
+			wm8960_1: wm8960@1a {
+				compatible = "wlf,wm8960";
+				reg = <0x1a>;
+				clocks = <&clock_mclk_out1>;
+				clock-names = "mclk";
+				wlf,shared-lrclk;
+				power-domains = <&pd IMX_SC_R_MCLK_OUT_1>;
+				assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
+						  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
+						  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
+						  <&mclkout1_lpcg 0>;
+				assigned-clock-rates = <786432000>, <49152000>, <12288000>, <12288000>;
+			};
 		};
 
 		i2c@2 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x2>;
+
+			wm8960_2: wm8960@1a {
+				compatible = "wlf,wm8960";
+				reg = <0x1a>;
+				clocks = <&clock_mclk_out1>;
+				clock-names = "mclk";
+				wlf,shared-lrclk;
+				power-domains = <&pd IMX_SC_R_MCLK_OUT_1>;
+				assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
+						  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
+						  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
+						  <&mclkout1_lpcg 0>;
+				assigned-clock-rates = <786432000>, <49152000>, <12288000>, <12288000>;
+			};
 		};
 
 		i2c@3 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0x3>;
+
+			wm8960_3: wm8960@1a {
+				compatible = "wlf,wm8960";
+				reg = <0x1a>;
+				clocks = <&clock_mclk_out1>;
+				clock-names = "mclk";
+				wlf,shared-lrclk;
+				power-domains = <&pd IMX_SC_R_MCLK_OUT_1>;
+				assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
+						  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
+						  <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
+						  <&mclkout1_lpcg 0>;
+				assigned-clock-rates = <786432000>, <49152000>, <12288000>, <12288000>;
+			};
 		};
 
 		i2c@4 {
@@ -286,6 +427,8 @@
 		reg = <0x20>;
 		gpio-controller;
 		#gpio-cells = <2>;
+		interrupt-parent = <&lsio_gpio2>;
+		interrupts = <5 IRQ_TYPE_EDGE_RISING>;
 	};
 
 	pca9548_2: pca9548@70 {
@@ -371,6 +514,46 @@
 	status = "disabled";
 };
 
+&asrc0 {
+	fsl,asrc-rate  = <48000>;
+	status = "okay";
+};
+
+&sai1 {
+	assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
+			<&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
+			<&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
+			<&sai1_lpcg 0>;
+	assigned-clock-rates = <786432000>, <49152000>, <12288000>, <49152000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai1>;
+	status = "okay";
+};
+
+&sai2 {
+	assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
+			<&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
+			<&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
+			<&sai2_lpcg 0>;
+	assigned-clock-rates = <786432000>, <49152000>, <12288000>, <49152000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai2>;
+	fsl,sai-asynchronous;
+	status = "okay";
+};
+
+&sai3 {
+	assigned-clocks = <&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_PLL>,
+			<&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_SLV_BUS>,
+			<&clk IMX_SC_R_AUDIO_PLL_0 IMX_SC_PM_CLK_MST_BUS>,
+			<&sai3_lpcg 0>;
+	assigned-clock-rates = <786432000>, <49152000>, <12288000>, <49152000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai3>;
+	fsl,sai-asynchronous;
+	status = "okay";
+};
+
 &thermal_zones {
 	pmic-thermal0 {
 		polling-delay-passive = <250>;
@@ -511,6 +694,8 @@
 		pinctrl_hog: hoggrp {
 			fsl,pins = <
 				IMX8DXL_COMP_CTL_GPIO_1V8_3V3_GPIORHB_PAD	0x000514a0
+				IMX8DXL_SPI3_CS0_ADMA_ACM_MCLK_OUT1		0x0600004c
+				IMX8DXL_SNVS_TAMPER_OUT1_LSIO_GPIO2_IO05_IN	0x0600004c
 			>;
 		};
 
@@ -638,6 +823,31 @@
 			>;
 		};
 
+		pinctrl_sai1: sai1grp {
+			fsl,pins = <
+				IMX8DXL_FLEXCAN0_RX_ADMA_SAI1_TXC     0x06000040
+				IMX8DXL_FLEXCAN0_TX_ADMA_SAI1_TXFS    0x06000040
+				IMX8DXL_FLEXCAN1_RX_ADMA_SAI1_TXD     0x06000040
+				IMX8DXL_FLEXCAN1_TX_ADMA_SAI1_RXD     0x06000060
+			>;
+		};
+
+		pinctrl_sai2: sai2grp {
+			fsl,pins = <
+				IMX8DXL_SNVS_TAMPER_OUT3_ADMA_SAI2_RXC   0x06000040
+				IMX8DXL_SNVS_TAMPER_IN0_ADMA_SAI2_RXFS   0x06000040
+				IMX8DXL_SNVS_TAMPER_OUT4_ADMA_SAI2_RXD   0x06000060
+			>;
+		};
+
+		pinctrl_sai3: sai3grp {
+			fsl,pins = <
+				IMX8DXL_SNVS_TAMPER_IN1_ADMA_SAI3_RXC    0x06000040
+				IMX8DXL_SNVS_TAMPER_IN3_ADMA_SAI3_RXFS   0x06000040
+				IMX8DXL_SNVS_TAMPER_IN2_ADMA_SAI3_RXD    0x06000060
+			>;
+		};
+
 		pinctrl_usdhc1: usdhc1grp {
 			fsl,pins = <
 				IMX8DXL_EMMC0_CLK_CONN_EMMC0_CLK	0x06000041
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-ss-adma.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl-ss-adma.dtsi
index b6d6921d893d..f3f9013aee69 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-ss-adma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-ss-adma.dtsi
@@ -44,6 +44,8 @@
 			<0x592d0000 0x10000>, /* sai0 tx */
 			<0x592e0000 0x10000>, /* sai1 rx */
 			<0x592f0000 0x10000>, /* sai1 tx */
+			<0x59300000 0x10000>, /* sai2 rx */
+			<0x59310000 0x10000>, /* sai3 rx */
 			<0x59350000 0x10000>, /* gpt0 */
 			<0x59360000 0x10000>, /* gpt1 */
 			<0x59370000 0x10000>, /* gpt2 */
@@ -60,6 +62,8 @@
 		<GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>,
 		<GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>, /* sai1 */
 		<GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>,
+		<GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>, /* sai2 */
+		<GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH>, /* sai3 */
 		<GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>, /* gpt0 */
 		<GIC_SPI 269 IRQ_TYPE_LEVEL_HIGH>, /* gpt1 */
 		<GIC_SPI 270 IRQ_TYPE_LEVEL_HIGH>, /* gpt2 */
@@ -70,6 +74,7 @@
 			"edma0-chan8-rx", "edma0-chan9-tx", /* spdif0 */
 			"edma0-chan12-rx", "edma0-chan13-tx", /* sai0 */
 			"edma0-chan14-rx", "edma0-chan15-tx", /* sai1 */
+			"edma0-chan16-rx", "edma0-chan17-rx", /* sai2, sai3 */
 			"edma0-chan21-tx",              /* gpt0 */
 			"edma0-chan22-tx",              /* gpt1 */
 			"edma0-chan23-tx",              /* gpt2 */
@@ -86,6 +91,8 @@
 			<&pd IMX_SC_R_DMA_0_CH13>,
 			<&pd IMX_SC_R_DMA_0_CH14>,
 			<&pd IMX_SC_R_DMA_0_CH15>,
+			<&pd IMX_SC_R_DMA_0_CH16>,
+			<&pd IMX_SC_R_DMA_0_CH17>,
 			<&pd IMX_SC_R_DMA_0_CH21>,
 			<&pd IMX_SC_R_DMA_0_CH22>,
 			<&pd IMX_SC_R_DMA_0_CH23>,
@@ -96,6 +103,7 @@
 			     "edma0-chan8", "edma0-chan9",
 			     "edma0-chan12", "edma0-chan13",
 			     "edma0-chan14", "edma0-chan15",
+			     "edma0-chan16", "edma0-chan17",
 			     "edma0-chan21", "edma0-chan22",
 			     "edma0-chan23", "edma0-chan24";
 };
@@ -192,34 +200,23 @@
 	interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
 };
 
-&spdif0_lpcg {
-	status = "disabled";
+&sai0 {
+	interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>;
 };
 
-&sai0_lpcg {
-	status = "disabled";
+&sai1 {
+	interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>;
 };
 
-&sai1_lpcg {
-	status = "disabled";
+&sai2 {
+	interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
 };
 
-&sai2_lpcg {
-	status = "disabled";
+&sai3 {
+	interrupts = <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>;
 };
 
-&sai3_lpcg {
-	status = "disabled";
-};
-
-&mqs0_lpcg {
-	status = "disabled";
-};
-
-&mclkout0_lpcg {
-	status = "disabled";
-};
-
-&mclkout1_lpcg {
-	status = "disabled";
+&spdif0 {
+	interrupts =  <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>, /* rx */
+		      <GIC_SPI 328 IRQ_TYPE_LEVEL_HIGH>; /* tx */
 };
diff --git a/arch/arm64/boot/dts/freescale/imx8qm-ss-audio.dtsi b/arch/arm64/boot/dts/freescale/imx8qm-ss-audio.dtsi
index 72d54406c505..e3bdf15e0a36 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-ss-audio.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qm-ss-audio.dtsi
@@ -28,9 +28,11 @@
 		<0x592d0000 0x10000>, /* sai0 tx */
 		<0x592e0000 0x10000>, /* sai1 rx */
 		<0x592f0000 0x10000>, /* sai1 tx */
+		<0x59300000 0x10000>, /* sai2 rx */
+		<0x59310000 0x10000>, /* sai3 rx */
 		<0x59320000 0x10000>, /* sai4 rx */
 		<0x59330000 0x10000>; /* sai5 tx */
-	dma-channels = <18>;
+	dma-channels = <20>;
 	interrupts = <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>, /* asrc0 */
 			<GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>,
 			<GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>,
@@ -47,6 +49,8 @@
 			<GIC_SPI 315 IRQ_TYPE_LEVEL_HIGH>,
 			<GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>, /* sai1 */
 			<GIC_SPI 317 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 319 IRQ_TYPE_LEVEL_HIGH>, /* sai2 */
+			<GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>, /* sai3 */
 			<GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>, /* sai4 */
 			<GIC_SPI 328 IRQ_TYPE_LEVEL_HIGH>; /* sai5 */
 	interrupt-names = "edma2-chan0-rx", "edma2-chan1-rx", /* asrc0 */
@@ -57,6 +61,7 @@
 			"edma2-chan10-rx", "edma2-chan11-tx", /* spdif1 */
 			"edma2-chan12-rx", "edma2-chan13-tx", /* sai0 */
 			"edma2-chan14-rx", "edma2-chan15-tx", /* sai1 */
+			"edma2-chan16-rx", "edma2-chan17-tx", /* sai2, dai3 */
 			"edma2-chan18-rx", "edma2-chan19-tx"; /* sai4, sai5 */
 	power-domains = <&pd IMX_SC_R_DMA_2_CH0>,
 			<&pd IMX_SC_R_DMA_2_CH1>,
@@ -74,6 +79,8 @@
 			<&pd IMX_SC_R_DMA_2_CH13>,
 			<&pd IMX_SC_R_DMA_2_CH14>,
 			<&pd IMX_SC_R_DMA_2_CH15>,
+			<&pd IMX_SC_R_DMA_2_CH16>,
+			<&pd IMX_SC_R_DMA_2_CH17>,
 			<&pd IMX_SC_R_DMA_2_CH18>,
 			<&pd IMX_SC_R_DMA_2_CH19>;
 	power-domain-names = "edma2-chan0", "edma2-chan1",
@@ -84,6 +91,7 @@
 			     "edma2-chan10", "edma2-chan11",
 			     "edma2-chan12", "edma2-chan13",
 			     "edma2-chan14", "edma2-chan15",
+			     "edma2-chan16", "edma2-chan17",
 			     "edma2-chan18", "edma2-chan19";
 };