ASoC: rt5575: Add the codec driver for the ALC5575 (c7ac7499) · Commits · git / linux-net

Documentation/devicetree/bindings/sound/realtek,rt5575.yaml

0 → 100644

+61 −0

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		# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
		%YAML 1.2
		---
		$id: http://devicetree.org/schemas/sound/realtek,rt5575.yaml#
		$schema: http://devicetree.org/meta-schemas/core.yaml#

		title: ALC5575 audio CODEC

		maintainers:
		- Oder Chiou <oder_chiou@realtek.com>

		description:
		The device supports both I2C and SPI. I2C is mandatory, while SPI is
		optional depending on the hardware configuration. SPI is used for
		firmware loading if present.

		allOf:
		- $ref: dai-common.yaml#

		properties:
		compatible:
		const: realtek,rt5575

		reg:
		maxItems: 1

		spi-parent:
		description:
		Optional phandle reference to the SPI controller used for firmware
		loading. The argument specifies the chip select.
		$ref: /schemas/types.yaml#/definitions/phandle-array

		required:
		- compatible
		- reg

		unevaluatedProperties: false

		examples:
		# I2C-only node
		- \|
		i2c {
		#address-cells = <1>;
		#size-cells = <0>;
		codec@57 {
		compatible = "realtek,rt5575";
		reg = <0x57>;
		};
		};

		# I2C + optional SPI node
		- \|
		i2c {
		#address-cells = <1>;
		#size-cells = <0>;
		codec@57 {
		compatible = "realtek,rt5575";
		reg = <0x57>;
		spi-parent = <&spi0 0>; /* chip-select 0 */
		};
		};

+13 −10

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		@@ -4761,17 +4761,9 @@ EXPORT_SYMBOL_GPL(spi_write_then_read);

		/-------------------------------------------------------------------------/

		#if IS_ENABLED(CONFIG_OF_DYNAMIC)
		/* Must call put_device() when done with returned spi_device device */
		static struct spi_device of_find_spi_device_by_node(struct device_node node)
		{
		struct device *dev = bus_find_device_by_of_node(&spi_bus_type, node);

		return dev ? to_spi_device(dev) : NULL;
		}

		#if IS_ENABLED(CONFIG_OF)
		/* The spi controllers are not using spi_bus, so we find it with another way */
		static struct spi_controller of_find_spi_controller_by_node(struct device_node node)
		struct spi_controller of_find_spi_controller_by_node(struct device_node node)
		{
		struct device *dev;

		@@ -4784,6 +4776,17 @@ static struct spi_controller *of_find_spi_controller_by_node(struct device_node
		/* Reference got in class_find_device */
		return container_of(dev, struct spi_controller, dev);
		}
		EXPORT_SYMBOL_GPL(of_find_spi_controller_by_node);
		#endif

		#if IS_ENABLED(CONFIG_OF_DYNAMIC)
		/* Must call put_device() when done with returned spi_device device */
		static struct spi_device of_find_spi_device_by_node(struct device_node node)
		{
		struct device *dev = bus_find_device_by_of_node(&spi_bus_type, node);

		return dev ? to_spi_device(dev) : NULL;
		}

		static int of_spi_notify(struct notifier_block *nb, unsigned long action,
		void *arg)

+9 −0

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		@@ -882,6 +882,15 @@ extern int devm_spi_register_controller(struct device *dev,
		struct spi_controller *ctlr);
		extern void spi_unregister_controller(struct spi_controller *ctlr);

		#if IS_ENABLED(CONFIG_OF)
		extern struct spi_controller of_find_spi_controller_by_node(struct device_node node);
		#else
		static inline struct spi_controller of_find_spi_controller_by_node(struct device_node node)
		{
		return NULL;
		}
		#endif

		#if IS_ENABLED(CONFIG_ACPI) && IS_ENABLED(CONFIG_SPI_MASTER)
		extern struct spi_controller acpi_spi_find_controller_by_adev(struct acpi_device adev);
		extern struct spi_device acpi_spi_device_alloc(struct spi_controller ctlr,

+10 −0

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		@@ -212,6 +212,7 @@ config SND_SOC_ALL_CODECS
		imply SND_SOC_RT1305
		imply SND_SOC_RT1308
		imply SND_SOC_RT5514
		imply SND_SOC_RT5575
		imply SND_SOC_RT5616
		imply SND_SOC_RT5631
		imply SND_SOC_RT5640
		@@ -1783,6 +1784,15 @@ config SND_SOC_RT5514_SPI_BUILTIN
		bool # force RT5514_SPI to be built-in to avoid link errors
		default SND_SOC_RT5514=y && SND_SOC_RT5514_SPI=m

		config SND_SOC_RT5575
		tristate "Realtek ALC5575 Codec - I2C"
		depends on I2C

		config SND_SOC_RT5575_SPI
		tristate "Realtek ALC5575 Codec - SPI"
		depends on SPI_MASTER && I2C
		depends on SND_SOC_RT5575

		config SND_SOC_RT5616
		tristate "Realtek RT5616 CODEC"
		depends on I2C

+3 −0

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		@@ -253,6 +253,8 @@ snd-soc-rt286-y := rt286.o
		snd-soc-rt298-y := rt298.o
		snd-soc-rt5514-y := rt5514.o
		snd-soc-rt5514-spi-y := rt5514-spi.o
		snd-soc-rt5575-y := rt5575.o
		snd-soc-rt5575-$(CONFIG_SND_SOC_RT5575_SPI) += rt5575-spi.o
		snd-soc-rt5616-y := rt5616.o
		snd-soc-rt5631-y := rt5631.o
		snd-soc-rt5640-y := rt5640.o
		@@ -686,6 +688,7 @@ obj-$(CONFIG_SND_SOC_RT298) += snd-soc-rt298.o
		obj-$(CONFIG_SND_SOC_RT5514) += snd-soc-rt5514.o
		obj-$(CONFIG_SND_SOC_RT5514_SPI) += snd-soc-rt5514-spi.o
		obj-$(CONFIG_SND_SOC_RT5514_SPI_BUILTIN) += snd-soc-rt5514-spi.o
		obj-$(CONFIG_SND_SOC_RT5575) += snd-soc-rt5575.o
		obj-$(CONFIG_SND_SOC_RT5616) += snd-soc-rt5616.o
		obj-$(CONFIG_SND_SOC_RT5631) += snd-soc-rt5631.o
		obj-$(CONFIG_SND_SOC_RT5640) += snd-soc-rt5640.o