Loading Documentation/devicetree/bindings/sound/armada-370db-audio.txt 0 → 100644 +24 −0 Original line number Diff line number Diff line Device Tree bindings for the Armada 370 DB audio ================================================ These Device Tree bindings are used to describe the audio complex found on the Armada 370 DB platform. Mandatory properties: * compatible: must be "marvell,a370db-audio" * marvell,audio-controller: a phandle that points to the audio controller of the Armada 370 SoC. * marvell,audio-codec: a phandle that points to the analog audio codec connected to the Armada 370 SoC. Example: sound { compatible = "marvell,a370db-audio"; marvell,audio-controller = <&audio_controller>; marvell,audio-codec = <&audio_codec>; status = "okay"; }; Documentation/devicetree/bindings/sound/mvebu-audio.txt +1 −0 Original line number Diff line number Diff line Loading @@ -5,6 +5,7 @@ Required properties: - compatible: "marvell,kirkwood-audio" for Kirkwood platforms "marvell,dove-audio" for Dove platforms "marvell,armada370-audio" for Armada 370 platforms - reg: physical base address of the controller and length of memory mapped region. Loading sound/soc/kirkwood/Kconfig +9 −1 Original line number Diff line number Diff line config SND_KIRKWOOD_SOC tristate "SoC Audio for the Marvell Kirkwood and Dove chips" depends on ARCH_KIRKWOOD || ARCH_DOVE || COMPILE_TEST depends on ARCH_KIRKWOOD || ARCH_DOVE || ARCH_MVEBU || COMPILE_TEST help Say Y or M if you want to add support for codecs attached to the Kirkwood I2S interface. You will also need to select the audio interfaces to support below. config SND_KIRKWOOD_SOC_ARMADA370_DB tristate "SoC Audio support for Armada 370 DB" depends on SND_KIRKWOOD_SOC && (ARCH_MVEBU || COMPILE_TEST) && I2C select SND_SOC_CS42L51 help Say Y if you want to add support for SoC audio on the Armada 370 Development Board. config SND_KIRKWOOD_SOC_OPENRD tristate "SoC Audio support for Kirkwood Openrd Client" depends on SND_KIRKWOOD_SOC && (MACH_OPENRD_CLIENT || MACH_OPENRD_ULTIMATE || COMPILE_TEST) Loading sound/soc/kirkwood/Makefile +2 −0 Original line number Diff line number Diff line Loading @@ -4,6 +4,8 @@ obj-$(CONFIG_SND_KIRKWOOD_SOC) += snd-soc-kirkwood.o snd-soc-openrd-objs := kirkwood-openrd.o snd-soc-t5325-objs := kirkwood-t5325.o snd-soc-armada-370-db-objs := armada-370-db.o obj-$(CONFIG_SND_KIRKWOOD_SOC_ARMADA370_DB) += snd-soc-armada-370-db.o obj-$(CONFIG_SND_KIRKWOOD_SOC_OPENRD) += snd-soc-openrd.o obj-$(CONFIG_SND_KIRKWOOD_SOC_T5325) += snd-soc-t5325.o sound/soc/kirkwood/armada-370-db.c 0 → 100644 +120 −0 Original line number Diff line number Diff line /* * Copyright (C) 2014 Marvell * * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <sound/soc.h> #include <linux/of.h> #include <linux/platform_data/asoc-kirkwood.h> #include "../codecs/cs42l51.h" static int a370db_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; unsigned int freq; switch (params_rate(params)) { default: case 44100: freq = 11289600; break; case 48000: freq = 12288000; break; case 96000: freq = 24576000; break; } return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN); } static struct snd_soc_ops a370db_ops = { .hw_params = a370db_hw_params, }; static const struct snd_soc_dapm_widget a370db_dapm_widgets[] = { SND_SOC_DAPM_HP("Out Jack", NULL), SND_SOC_DAPM_LINE("In Jack", NULL), }; static const struct snd_soc_dapm_route a370db_route[] = { { "Out Jack", NULL, "HPL" }, { "Out Jack", NULL, "HPR" }, { "AIN1L", NULL, "In Jack" }, { "AIN1L", NULL, "In Jack" }, }; static struct snd_soc_dai_link a370db_dai[] = { { .name = "CS42L51", .stream_name = "analog", .cpu_dai_name = "i2s", .codec_dai_name = "cs42l51-hifi", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS, .ops = &a370db_ops, }, }; static struct snd_soc_card a370db = { .name = "a370db", .owner = THIS_MODULE, .dai_link = a370db_dai, .num_links = ARRAY_SIZE(a370db_dai), .dapm_widgets = a370db_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(a370db_dapm_widgets), .dapm_routes = a370db_route, .num_dapm_routes = ARRAY_SIZE(a370db_route), }; static int a370db_probe(struct platform_device *pdev) { struct snd_soc_card *card = &a370db; card->dev = &pdev->dev; a370db_dai[0].cpu_of_node = of_parse_phandle(pdev->dev.of_node, "marvell,audio-controller", 0); a370db_dai[0].platform_of_node = a370db_dai[0].cpu_of_node; a370db_dai[0].codec_of_node = of_parse_phandle(pdev->dev.of_node, "marvell,audio-codec", 0); return devm_snd_soc_register_card(card->dev, card); } static const struct of_device_id a370db_dt_ids[] = { { .compatible = "marvell,a370db-audio" }, { }, }; static struct platform_driver a370db_driver = { .driver = { .name = "a370db-audio", .owner = THIS_MODULE, .of_match_table = of_match_ptr(a370db_dt_ids), }, .probe = a370db_probe, }; module_platform_driver(a370db_driver); MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>"); MODULE_DESCRIPTION("ALSA SoC a370db audio client"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:a370db-audio"); Loading
Documentation/devicetree/bindings/sound/armada-370db-audio.txt 0 → 100644 +24 −0 Original line number Diff line number Diff line Device Tree bindings for the Armada 370 DB audio ================================================ These Device Tree bindings are used to describe the audio complex found on the Armada 370 DB platform. Mandatory properties: * compatible: must be "marvell,a370db-audio" * marvell,audio-controller: a phandle that points to the audio controller of the Armada 370 SoC. * marvell,audio-codec: a phandle that points to the analog audio codec connected to the Armada 370 SoC. Example: sound { compatible = "marvell,a370db-audio"; marvell,audio-controller = <&audio_controller>; marvell,audio-codec = <&audio_codec>; status = "okay"; };
Documentation/devicetree/bindings/sound/mvebu-audio.txt +1 −0 Original line number Diff line number Diff line Loading @@ -5,6 +5,7 @@ Required properties: - compatible: "marvell,kirkwood-audio" for Kirkwood platforms "marvell,dove-audio" for Dove platforms "marvell,armada370-audio" for Armada 370 platforms - reg: physical base address of the controller and length of memory mapped region. Loading
sound/soc/kirkwood/Kconfig +9 −1 Original line number Diff line number Diff line config SND_KIRKWOOD_SOC tristate "SoC Audio for the Marvell Kirkwood and Dove chips" depends on ARCH_KIRKWOOD || ARCH_DOVE || COMPILE_TEST depends on ARCH_KIRKWOOD || ARCH_DOVE || ARCH_MVEBU || COMPILE_TEST help Say Y or M if you want to add support for codecs attached to the Kirkwood I2S interface. You will also need to select the audio interfaces to support below. config SND_KIRKWOOD_SOC_ARMADA370_DB tristate "SoC Audio support for Armada 370 DB" depends on SND_KIRKWOOD_SOC && (ARCH_MVEBU || COMPILE_TEST) && I2C select SND_SOC_CS42L51 help Say Y if you want to add support for SoC audio on the Armada 370 Development Board. config SND_KIRKWOOD_SOC_OPENRD tristate "SoC Audio support for Kirkwood Openrd Client" depends on SND_KIRKWOOD_SOC && (MACH_OPENRD_CLIENT || MACH_OPENRD_ULTIMATE || COMPILE_TEST) Loading
sound/soc/kirkwood/Makefile +2 −0 Original line number Diff line number Diff line Loading @@ -4,6 +4,8 @@ obj-$(CONFIG_SND_KIRKWOOD_SOC) += snd-soc-kirkwood.o snd-soc-openrd-objs := kirkwood-openrd.o snd-soc-t5325-objs := kirkwood-t5325.o snd-soc-armada-370-db-objs := armada-370-db.o obj-$(CONFIG_SND_KIRKWOOD_SOC_ARMADA370_DB) += snd-soc-armada-370-db.o obj-$(CONFIG_SND_KIRKWOOD_SOC_OPENRD) += snd-soc-openrd.o obj-$(CONFIG_SND_KIRKWOOD_SOC_T5325) += snd-soc-t5325.o
sound/soc/kirkwood/armada-370-db.c 0 → 100644 +120 −0 Original line number Diff line number Diff line /* * Copyright (C) 2014 Marvell * * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. */ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <sound/soc.h> #include <linux/of.h> #include <linux/platform_data/asoc-kirkwood.h> #include "../codecs/cs42l51.h" static int a370db_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *codec_dai = rtd->codec_dai; unsigned int freq; switch (params_rate(params)) { default: case 44100: freq = 11289600; break; case 48000: freq = 12288000; break; case 96000: freq = 24576000; break; } return snd_soc_dai_set_sysclk(codec_dai, 0, freq, SND_SOC_CLOCK_IN); } static struct snd_soc_ops a370db_ops = { .hw_params = a370db_hw_params, }; static const struct snd_soc_dapm_widget a370db_dapm_widgets[] = { SND_SOC_DAPM_HP("Out Jack", NULL), SND_SOC_DAPM_LINE("In Jack", NULL), }; static const struct snd_soc_dapm_route a370db_route[] = { { "Out Jack", NULL, "HPL" }, { "Out Jack", NULL, "HPR" }, { "AIN1L", NULL, "In Jack" }, { "AIN1L", NULL, "In Jack" }, }; static struct snd_soc_dai_link a370db_dai[] = { { .name = "CS42L51", .stream_name = "analog", .cpu_dai_name = "i2s", .codec_dai_name = "cs42l51-hifi", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS, .ops = &a370db_ops, }, }; static struct snd_soc_card a370db = { .name = "a370db", .owner = THIS_MODULE, .dai_link = a370db_dai, .num_links = ARRAY_SIZE(a370db_dai), .dapm_widgets = a370db_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(a370db_dapm_widgets), .dapm_routes = a370db_route, .num_dapm_routes = ARRAY_SIZE(a370db_route), }; static int a370db_probe(struct platform_device *pdev) { struct snd_soc_card *card = &a370db; card->dev = &pdev->dev; a370db_dai[0].cpu_of_node = of_parse_phandle(pdev->dev.of_node, "marvell,audio-controller", 0); a370db_dai[0].platform_of_node = a370db_dai[0].cpu_of_node; a370db_dai[0].codec_of_node = of_parse_phandle(pdev->dev.of_node, "marvell,audio-codec", 0); return devm_snd_soc_register_card(card->dev, card); } static const struct of_device_id a370db_dt_ids[] = { { .compatible = "marvell,a370db-audio" }, { }, }; static struct platform_driver a370db_driver = { .driver = { .name = "a370db-audio", .owner = THIS_MODULE, .of_match_table = of_match_ptr(a370db_dt_ids), }, .probe = a370db_probe, }; module_platform_driver(a370db_driver); MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>"); MODULE_DESCRIPTION("ALSA SoC a370db audio client"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:a370db-audio");
