Unverified Commit 43a38a0f authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: codecs: add support for ES8375 

Merge series from Zhang Yi <zhangyi@everest-semi.com>:

The driver is for codec ES8375 of everest-semi.
parents fe644621 de2b3119

Documentation/devicetree/bindings/sound/everest,es8375.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/sound/everest,es8375.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Everest ES8375 audio CODEC



maintainers:

  - Michael Zhang <zhangyi@everest-semi.com>



allOf:

  - $ref: dai-common.yaml#



properties:

  compatible:

    const: everest,es8375



  reg:

    maxItems: 1



  clocks:

    items:

      - description: clock for master clock (MCLK)



  clock-names:

    items:

      - const: mclk



  vdda-supply:

    description:

      Analogue power supply.



  vddd-supply:

    description:

      Interface power supply.



  everest,mclk-src:

    $ref: /schemas/types.yaml#/definitions/uint8

    description: |

      Represents the MCLK/SCLK pair pins used as the internal clock.

      0 represents selecting MCLK.

      1 represents selecting SCLK.

    enum: [0, 1]

    default: 0



  "#sound-dai-cells":

    const: 0



required:

  - compatible

  - reg

  - "#sound-dai-cells"

  - vdda-supply

  - vddd-supply



additionalProperties: false



examples:

  - |

    i2c {

      #address-cells = <1>;

      #size-cells = <0>;

      es8375: codec@18 {

        compatible = "everest,es8375";

        reg = <0x18>;

        vdda-supply = <&vdd3v3>;

        vddd-supply = <&vdd3v3>;

        #sound-dai-cells = <0>;

      };

    };

sound/soc/codecs/Kconfig

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@@ -120,6 +120,7 @@ config SND_SOC_ALL_CODECS 
	imply SND_SOC_ES8326

	imply SND_SOC_ES8328_SPI

	imply SND_SOC_ES8328_I2C

	imply SND_SOC_ES8375

	imply SND_SOC_ES8389

	imply SND_SOC_ES7134

	imply SND_SOC_ES7241
@@ -1211,6 +1212,10 @@ config SND_SOC_ES8328_SPI 
	depends on SPI_MASTER

	select SND_SOC_ES8328



config SND_SOC_ES8375

	tristate "Everest Semi ES8375 CODEC"

	depends on I2C



config SND_SOC_ES8389

	tristate "Everest Semi ES8389 CODEC"

	depends on I2C

sound/soc/codecs/Makefile

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@@ -134,6 +134,7 @@ snd-soc-es8326-y := es8326.o 
snd-soc-es8328-y := es8328.o

snd-soc-es8328-i2c-y := es8328-i2c.o

snd-soc-es8328-spi-y := es8328-spi.o

snd-soc-es8375-y := es8375.o

snd-soc-es8389-y := es8389.o

snd-soc-framer-y := framer-codec.o

snd-soc-gtm601-y := gtm601.o
@@ -556,6 +557,7 @@ obj-$(CONFIG_SND_SOC_ES8326) += snd-soc-es8326.o 
obj-$(CONFIG_SND_SOC_ES8328)	+= snd-soc-es8328.o

obj-$(CONFIG_SND_SOC_ES8328_I2C)+= snd-soc-es8328-i2c.o

obj-$(CONFIG_SND_SOC_ES8328_SPI)+= snd-soc-es8328-spi.o

obj-$(CONFIG_SND_SOC_ES8375)    += snd-soc-es8375.o

obj-$(CONFIG_SND_SOC_ES8389)    += snd-soc-es8389.o

obj-$(CONFIG_SND_SOC_FRAMER)	+= snd-soc-framer.o

obj-$(CONFIG_SND_SOC_GTM601)    += snd-soc-gtm601.o

sound/soc/codecs/es8375.c

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File added.

Preview size limit exceeded, changes collapsed.

sound/soc/codecs/es8375.h

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/* SPDX-License-Identifier: GPL-2.0-only */

/*

* ES8375.h  --  ES8375 ALSA SoC Audio Codec

*

* Authors:

*

* Based on ES8375.h by Michael Zhang

*/

#ifndef _ES8375_H

#define _ES8375_H



// Registors

#define ES8375_RESET1              0x00

#define ES8375_MCLK_SEL            0x01

#define ES8375_CLK_MGR2            0x02

#define ES8375_CLK_MGR3            0x03

#define ES8375_CLK_MGR4            0x04

#define ES8375_CLK_MGR5            0x05

#define ES8375_CLK_MGR6            0x06

#define ES8375_CLK_MGR7            0x07

#define ES8375_CLK_MGR8            0x08

#define ES8375_CLK_MGR9            0x09

#define ES8375_CLK_MGR10           0x0A

#define ES8375_CLK_MGR11           0x0B

#define ES8375_CLK_MGR12           0x0C

#define ES8375_DIV_SPKCLK          0x0E

#define ES8375_CSM1                0x0F

#define ES8375_CSM2                0x10

#define ES8375_VMID_CHARGE2        0x11

#define ES8375_VMID_CHARGE3        0x12

#define ES8375_SDP                 0x15

#define ES8375_SDP2                0x16

#define ES8375_ADC1                0x17

#define ES8375_ADC2                0x18

#define ES8375_ADC_OSR_GAIN        0x19

#define ES8375_ADC_VOLUME          0x1A

#define ES8375_ADC_AUTOMUTE        0x1B

#define ES8375_ADC_AUTOMUTE_ATTN   0x1C

#define ES8375_HPF1                0x1D

#define ES8375_DAC1                0x1F

#define ES8375_DAC2                0x20

#define ES8375_DAC_VOLUME          0x21

#define ES8375_DAC_VPPSCALE        0x22

#define ES8375_DAC_AUTOMUTE1       0x23

#define ES8375_DAC_AUTOMUTE        0x24

#define ES8375_DAC_CAL             0x25

#define ES8375_DAC_OTP             0x27

#define ES8375_ANALOG_SPK1         0x28

#define ES8375_ANALOG_SPK2         0x29

#define ES8375_VMID_SEL            0x2D

#define ES8375_ANALOG1             0x2E

#define ES8375_ANALOG2             0x32

#define ES8375_ANALOG3             0x37

#define ES8375_ADC2DAC_CLKTRI      0xF8

#define ES8375_SYS_CTRL2           0xF9

#define ES8375_FLAGS2              0xFB

#define ES8375_SPK_OFFSET          0xFC

#define ES8375_CHIP_ID1            0xFD

#define ES8375_CHIP_ID0            0xFE

#define ES8375_CHIP_VERSION        0xFF



// Bit Shifts

#define ADC_OSR_GAIN_SHIFT_0        0

#define ADC_RAMPRATE_SHIFT_0        0

#define ADC_VOLUME_SHIFT_0          0

#define ADC_AUTOMUTE_NG_SHIFT_0     0

#define ADC_AUTOMUTE_ATTN_SHIFT_0   0

#define DAC_RAMPRATE_SHIFT_0        0

#define DAC_VOLUME_SHIFT_0          0

#define DAC_VPPSCALE_SHIFT_0        0

#define DAC_AUTOMUTE_NG_SHIFT_0     0

#define DAC_AUTOMUTE_ATTN_SHIFT_0   0

#define DMIC_GAIN_SHIFT_2           2

#define ADC_AUTOMUTE_WS_SHIFT_3     3

#define DMIC_POL_SHIFT_4            4

#define DAC_RAMCLR_SHIFT_4          4

#define ES8375_EN_MODL_SHIFT_4      4

#define ADC_RAMCLR_SHIFT_5          5

#define ADC_HPF_SHIFT_5             5

#define DAC_INV_SHIFT_5             5

#define DAC_AUTOMUTE_WS_SHIFT_5     5

#define ES8375_EN_PGAL_SHIFT_5      5

#define ES8375_ADC_P2S_MUTE_SHIFT_5 5

#define ADC_INV_SHIFT_6             6

#define DAC_DEMMUTE_SHIFT_6         6

#define ES8375_DAC_S2P_MUTE_SHIFT_6 6

#define ADC_SRC_SHIFT_7             7

#define ADC_AUTOMUTE_SHIFT_7        7

#define DAC_DSMMUTE_SHIFT_7         7

#define DAC_AUTOMUTE_EN_SHIFT_7     7



// Function values

#define ES8375_ADC_OSR_GAIN_MAX         0x3F

#define ES8375_DMIC_GAIN_MAX            0x04

#define ES8375_ADC_AUTOMUTE_ATTN_MAX    0x1F

#define ES8375_AUTOMUTE_NG_MAX          0x07

#define ES8375_ADC_VOLUME_MAX           0xFF

#define ES8375_DAC_VOLUME_MAX           0xFF

#define ES8375_DAC_VPPSCALE_MAX         0x3F

#define ES8375_DAC_AUTOMUTE_ATTN_MAX    0x17

#define ES8375_REG_MAX                  0xFF



enum ES8375_supplies {

	ES8375_SUPPLY_VD = 0,

	ES8375_SUPPLY_VA,

};



// Properties

#define ES8375_3V3  1

#define ES8375_1V8  0



#define ES8375_MCLK_PIN	0

#define ES8375_BCLK_PIN 1

#define ES8375_MCLK_SOURCE	ES8375_MCLK_PIN



#define DMIC_POSITIVE_EDGE  0

#define DMIC_NEGATIVE_EDGE  1

#define DMIC_POL  DMIC_POSITIVE_EDGE



#define PA_SHUTDOWN     0

#define PA_ENABLE       1



#endif