Add ASoC support for boards/HATs using ESS Sabre ES9023 DAC

arch/arm/boot/dts/overlays/Makefile

@@ -15,6 +15,7 @@ endif
 dtbo-$(RPI_DT_OVERLAYS) += adau1977-adc.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += ads1015.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += ads7846.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += akkordion-es9023-audio.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += akkordion-iqdacplus.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += at86rf233.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += audioinjector-wm8731-audio.dtbo
@@ -25,15 +26,18 @@ dtbo-$(RPI_DT_OVERLAYS) += dpi24.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += dwc-otg.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += dwc2.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += enc28j60.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += es9023-audio.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += gpio-ir.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += gpio-poweroff.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hifiberry-amp.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hifiberry-dac.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hifiberry-dacplus.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += hifiberry-dacpluslight-es9023-audio.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hifiberry-digi.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hifiberry-digi-pro.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hy28a.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += hy28b.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += i-sabre-dac-es9023-audio.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += i2c-gpio.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += i2c-mux.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += i2c-pwm-pca9685a.dtbo
@@ -48,6 +52,7 @@ dtbo-$(RPI_DT_OVERLAYS) += iqaudio-digi-wm8804-audio.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += justboom-dac.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += justboom-digi.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += lirc-rpi.dtbo
+dtbo-$(RPI_DT_OVERLAYS) += mamboberry-dacplus-es9023-audio.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += mcp23017.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += mcp2515-can0.dtbo
 dtbo-$(RPI_DT_OVERLAYS) += mcp2515-can1.dtbo

arch/arm/boot/dts/overlays/README

@@ -215,6 +215,26 @@ Params: cs                      SPI bus Chip Select (default 1)
         www.kernel.org/doc/Documentation/devicetree/bindings/input/ads7846.txt
 
 
+Name:   akkordion-es9023-audio
+Info:   Configures the Digital Dreamtime Akkordion Music Player (with ESS Sabre
+        ES9023 DAC).
+Load:   dtoverlay=akkordion-es9023-audio,<param>
+Params: 384k                    Instructs the es9023 codec driver to support
+                                352k8 and 384k sample rates.
+        bclk_ratio_int_div      Use bclk_ratio=50 for 16/24bps and
+                                bclk_ratio=100 for 32bps media when sample
+                                rate is a multiple of 8kHz and less than
+                                192kHz. Which causes the selection of the 19M2
+                                OSC as the parent for the PCM clock with an
+                                integer divider, rather than PLLD with
+                                fractional divider and MASH noise shaping.
+        card_name               Override the default, "Akkordion", card name.
+        dai_name                Override the default, "Akkordion DAC",
+                                dai name.
+        dai_stream_name         Override the default, "Akkordion DAC HiFi",
+                                dai stream name.
+
+
 Name:   akkordion-iqdacplus
 Info:   Configures the Digital Dreamtime Akkordion Music Player (based on the
         OEM IQAudIO DAC+ or DAC Zero module).
@@ -314,6 +334,24 @@ Params: int_pin                 GPIO used for INT (default 25)
         speed                   SPI bus speed (default 12000000)
 
 
+Name:   es9023-audio
+Info:   Configures a generic board or HAT using ESS Sabre ES9023 DAC
+Load:   dtoverlay=es9023-audio,<param>
+Params: 384k                    Instructs the es9023 codec driver to support
+                                352k8 and 384k sample rates.
+        bclk_ratio_int_div      Use bclk_ratio=50 for 16/24bps and
+                                bclk_ratio=100 for 32bps media when sample
+                                rate is a multiple of 8kHz and less than
+                                192kHz. Which causes the selection of the 19M2
+                                OSC as the parent for the PCM clock with an
+                                integer divider, rather than PLLD with
+                                fractional divider and MASH noise shaping.
+        card_name               Override the default, "es9023", card name.
+        dai_name                Override the default, "ES9023 DAC" dai name.
+        dai_stream_name         Override the default, "ES9023 DAC HiFi",
+                                dai stream name.
+
+
 Name:   gpio-ir
 Info:   Use GPIO pin as rc-core style infrared receiver input. The rc-core-
         based gpio_ir_recv driver maps received keys directly to a
@@ -376,6 +414,26 @@ Params: 24db_digital_gain       Allow gain to be applied via the PCM512x codec
                                 master for bit clock and frame clock.
 
 
+Name:   hifiberry-dacpluslight-es9023-audio
+Info:   Configures the HiFiBerry DAC+ Light audio card
+Load:   dtoverlay=hifiberry-dacpluslight-es9023-audio,<param>
+Params: 384k                    Instructs the es9023 codec driver to support
+                                352k8 and 384k sample rates.
+        bclk_ratio_int_div      Use bclk_ratio=50 for 16/24bps and
+                                bclk_ratio=100 for 32bps media when sample
+                                rate is a multiple of 8kHz and less than
+                                192kHz. Which causes the selection of the 19M2
+                                OSC as the parent for the PCM clock with an
+                                integer divider, rather than PLLD with
+                                fractional divider and MASH noise shaping.
+        card_name               Override the default, "snd_rpi_hifiberry_dac",
+                                card name.
+        dai_name                Override the default, "HifiBerry DAC",
+                                dai name.
+        dai_stream_name         Override the default, "HifiBerry DAC HiFi",
+                                dai stream name.
+
+
 Name:   hifiberry-digi
 Info:   Configures the HifiBerry Digi and Digi+ audio card
 Load:   dtoverlay=hifiberry-digi
@@ -426,6 +484,24 @@ Params: speed                   Display SPI bus speed
         ledgpio                 GPIO used to control backlight
 
 
+Name:   i-sabre-dac-es9023-audio
+Info:   Configures the Audiophonics I-Sabre DAC
+Load:   dtoverlay=i-sabre-dac-es9023-audio,<param>
+Params: 384k                    Instructs the es9023 codec driver to support
+                                352k8 and 384k sample rates.
+        bclk_ratio_int_div      Use bclk_ratio=50 for 16/24bps and
+                                bclk_ratio=100 for 32bps media when sample
+                                rate is a multiple of 8kHz and less than
+                                192kHz. Which causes the selection of the 19M2
+                                OSC as the parent for the PCM clock with an
+                                integer divider, rather than PLLD with
+                                fractional divider and MASH noise shaping.
+        card_name               Override the default, "ISabre", card name.
+        dai_name                Override the default, "ISabre DAC", dai name.
+        dai_stream_name         Override the default, "ISabre DAC HiFi",
+                                dai stream name.
+
+
 Name:   i2c-gpio
 Info:   Adds support for software i2c controller on gpio pins
 Load:   dtoverlay=i2c-gpio,<param>=<val>
@@ -619,6 +695,25 @@ Params: gpio_out_pin            GPIO for output (default "17")
                                 (default "off")
 
 
+Name:   mamboberry-dacplus-es9023-audio
+Info:   Configures the Collybia Mamboberry HiFi DAC+
+Load:   dtoverlay=mamboberry-dacplus-es9023-audio,<param>
+Params: 384k                    Instructs the es9023 codec driver to support
+                                352k8 and 384k sample rates.
+        bclk_ratio_int_div      Use bclk_ratio=50 for 16/24bps and
+                                bclk_ratio=100 for 32bps media when sample
+                                rate is a multiple of 8kHz and less than
+                                192kHz. Which causes the selection of the 19M2
+                                OSC as the parent for the PCM clock with an
+                                integer divider, rather than PLLD with
+                                fractional divider and MASH noise shaping.
+        card_name               Override the default, "Mamboberry", card name.
+        dai_name                Override the default, "Mamboberry DAC+",
+                                dai name.
+        dai_stream_name         Override the default, "Mamboberry DAC+ HiFi",
+                                dai stream name.
+
+
 Name:   mcp23017
 Info:   Configures the MCP23017 I2C GPIO expander
 Load:   dtoverlay=mcp23017,<param>=<val>

arch/arm/boot/dts/overlays/akkordion-es9023-audio-overlay.dts

@@ -0,0 +1,57 @@
+// Definitions for Digital Dreamtime Akkordion using ESS Sabre ES9023 DAC
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2708";
+
+	fragment@0 {
+		target = <&i2s>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target-path = "/";
+		__overlay__ {
+			es9023_codec: es9023-codec {
+				#sound-dai-cells = <0>;
+				compatible = "ess,es9023";
+				status = "okay";
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&sound>;
+		es9023_dac: __overlay__ {
+			compatible = "digitaldreamtime,es9023-akkordion-dac";
+			/*
+			 * These are the default names that will be
+			 *  applied by the es9023-dac machine driver
+			 *  based on the compatible parameter.
+			 *
+			 * es9023-dac,card-name = "Akkordion"
+			 * es9023-dac,dai-name = "Akkordion DAC";
+			 * es9023-dac,dai-stream-name = "Akkordion DAC HiFi";
+			 */
+			status = "okay";
+			es9023-dac,cpu {
+				sound-dai = <&i2s>;
+			};
+			es9023-dac,codec {
+				sound-dai = <&es9023_codec>;
+			};
+		};
+	};
+
+	__overrides__ {
+		384k = <&es9023_codec>,"es9023,384k?";
+		bclk_ratio_int_div =
+			<&es9023_dac>,"es9023-dac,bclk-ratio-int-div?";
+		card_name = <&es9023_dac>,"es9023-dac,card-name";
+		dai_name = <&es9023_dac>,"es9023-dac,dai-name";
+		dai_stream_name = <&es9023_dac>,"es9023-dac,dai-stream-name";
+	};
+};

arch/arm/boot/dts/overlays/es9023-audio-overlay.dts

@@ -0,0 +1,64 @@
+// Definitions for a generic board or HAT using ESS Sabre ES9023 DAC
+
+// NB. Manufacturers of ES9023 DAC boards wishing to use their own ALSA names
+//      in preference to the generic names defined here, should copy this
+//      file, rename and edit it. Do not change the card, dai, and dai stream
+//      names being set below, in this generic es9023-audio overlay!
+//      (eg. akkordion-es9023-audio and i-sabre-dac-es9023-audio.)
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2708";
+
+	fragment@0 {
+		target = <&i2s>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target-path = "/";
+		__overlay__ {
+			es9023_codec: es9023-codec {
+				#sound-dai-cells = <0>;
+				compatible = "ess,es9023";
+				status = "okay";
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&sound>;
+		es9023_dac: __overlay__ {
+			compatible = "es9023-dac";
+			/*
+			 * These are the default names that will be
+			 *  applied by the es9023-dac machine driver
+			 *  based on the compatible parameter.
+			 *
+			 * es9023-dac,card-name = "es9023";
+			 * es9023-dac,dai-name = "ES9023 DAC";
+			 * es9023-dac,dai-stream-name = "ES9023 DAC HiFi";
+			 */
+			status = "okay";
+			es9023-dac,cpu {
+				sound-dai = <&i2s>;
+			};
+			es9023-dac,codec {
+				sound-dai = <&es9023_codec>;
+			};
+		};
+	};
+
+	__overrides__ {
+		384k = <&es9023_codec>,"es9023,384k?";
+		bclk_ratio_int_div =
+			<&es9023_dac>,"es9023-dac,bclk-ratio-int-div?";
+		card_name = <&es9023_dac>,"es9023-dac,card-name";
+		dai_name = <&es9023_dac>,"es9023-dac,dai-name";
+		dai_stream_name = <&es9023_dac>,"es9023-dac,dai-stream-name";
+	};
+};

arch/arm/boot/dts/overlays/hifiberry-dacpluslight-es9023-audio-overlay.dts

@@ -0,0 +1,57 @@
+// Definitions for HiFiBerry DAC+ Light using ESS Sabre ES9023 DAC
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "brcm,bcm2708";
+
+	fragment@0 {
+		target = <&i2s>;
+		__overlay__ {
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target-path = "/";
+		__overlay__ {
+			es9023_codec: es9023-codec {
+				#sound-dai-cells = <0>;
+				compatible = "ess,es9023";
+				status = "okay";
+			};
+		};
+	};
+
+	fragment@2 {
+		target = <&sound>;
+		es9023_dac: __overlay__ {
+			compatible = "hifiberry,es9023-dacpluslight";
+			/*
+			 * These are the default names that will be
+			 *  applied by the es9023-dac machine driver
+			 *  based on the compatible parameter.
+			 *
+			 * es9023-dac,card-name = "snd_rpi_hifiberry_dac";
+			 * es9023-dac,dai-name = "HifiBerry DAC";
+			 * es9023-dac,dai-stream-name = "HifiBerry DAC HiFi";
+			 */
+			status = "okay";
+			es9023-dac,cpu {
+				sound-dai = <&i2s>;
+			};
+			es9023-dac,codec {
+				sound-dai = <&es9023_codec>;
+			};
+		};
+	};
+
+	__overrides__ {
+		384k = <&es9023_codec>,"es9023,384k?";
+		bclk_ratio_int_div =
+			<&es9023_dac>,"es9023-dac,bclk-ratio-int-div?";
+		card_name = <&es9023_dac>,"es9023-dac,card-name";
+		dai_name = <&es9023_dac>,"es9023-dac,dai-name";
+		dai_stream_name = <&es9023_dac>,"es9023-dac,dai-stream-name";
+	};
+};