Document the device tree binding for the ALC5631 codec and update vendor specific prefix for the Realtek.

Signed-off-by: Krishna Mohan Dani krishna.md@samsung.com --- Documentation/devicetree/bindings/sound/rt5631.txt | 48 ++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rt5631.txt

diff --git a/Documentation/devicetree/bindings/sound/rt5631.txt b/Documentation/devicetree/bindings/sound/rt5631.txt new file mode 100644 index 0000000..92b986c --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rt5631.txt @@ -0,0 +1,48 @@ +ALC5631/RT5631 audio CODEC + +This device supports I2C only. + +Required properties: + + - compatible : "realtek,alc5631" or "realtek,rt5631" + + - reg : the I2C address of the device. + +Pins on the device (for linking into audio routes): + + * SPK_OUT_R_P + * SPK_OUT_R_N + * SPK_OUT_L_P + * SPK_OUT_L_N + * HP_OUT_L + * HP_OUT_R + * AUX_OUT2_LP + * AUX_OUT2_RN + * AUX_OUT1_LP + * AUX_OUT1_RN + * AUX_IN_L_JD + * AUX_IN_R_JD + * MONO_IN_P + * MONO_IN_N + * MIC1_P + * MIC1_N + * MIC2_P + * MIC2_N + * MONO_OUT_P + * MONO_OUT_N + * MICBIAS1 + * MICBIAS2 + +Example: + +alc5631: alc5631@1a { + compatible = "realtek,alc5631"; + reg = <0x1a>; +}; + +or + +rt5631: rt5631@1a { + compatible = "realtek,rt5631"; + reg = <0x1a>; +};

Adding machine driver to instantiate I2S based realtek's ALC5631 sound card on Arndale board.

There are other variants of Audio Daughter Cards for Arndale Board for which support already exists but there is no support for Realtek's alc5631 codec hence support for ALC5631 based machine driver is being added.

Signed-off-by: Claude Youn claude.youn@gmail.com Signed-off-by: Krishna Mohan Dani krishna.md@samsung.com --- sound/soc/samsung/Kconfig | 6 ++ sound/soc/samsung/Makefile | 2 + sound/soc/samsung/arndale_rt5631.c | 150 ++++++++++++++++++++++++++++++++++++ 3 files changed, 158 insertions(+) create mode 100644 sound/soc/samsung/arndale_rt5631.c

diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig index 55a3869..80b5c61 100644 --- a/sound/soc/samsung/Kconfig +++ b/sound/soc/samsung/Kconfig @@ -239,3 +239,9 @@ config SND_SOC_ODROIDX2 select SND_SAMSUNG_I2S help Say Y here to enable audio support for the Odroid-X2/U3. + +config SND_SOC_ARNDALE_RT5631_ALC5631 + tristate "Audio support for RT5631(ALC5631) on Arndale Board" + depends on SND_SOC_SAMSUNG + select SND_SAMSUNG_I2S + select SND_SOC_RT5631 diff --git a/sound/soc/samsung/Makefile b/sound/soc/samsung/Makefile index 91505dd..31e3dba 100644 --- a/sound/soc/samsung/Makefile +++ b/sound/soc/samsung/Makefile @@ -45,6 +45,7 @@ snd-soc-lowland-objs := lowland.o snd-soc-littlemill-objs := littlemill.o snd-soc-bells-objs := bells.o snd-soc-odroidx2-max98090-objs := odroidx2_max98090.o +snd-soc-arndale-rt5631-objs := arndale_rt5631.o

obj-$(CONFIG_SND_SOC_SAMSUNG_JIVE_WM8750) += snd-soc-jive-wm8750.o obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o @@ -71,3 +72,4 @@ obj-$(CONFIG_SND_SOC_LOWLAND) += snd-soc-lowland.o obj-$(CONFIG_SND_SOC_LITTLEMILL) += snd-soc-littlemill.o obj-$(CONFIG_SND_SOC_BELLS) += snd-soc-bells.o obj-$(CONFIG_SND_SOC_ODROIDX2) += snd-soc-odroidx2-max98090.o +obj-$(CONFIG_SND_SOC_ARNDALE_RT5631_ALC5631) += snd-soc-arndale-rt5631.o diff --git a/sound/soc/samsung/arndale_rt5631.c b/sound/soc/samsung/arndale_rt5631.c new file mode 100644 index 0000000..3495ad5 --- /dev/null +++ b/sound/soc/samsung/arndale_rt5631.c @@ -0,0 +1,150 @@ +/* + * arndale_rt5631.c + * + * Copyright (c) 2014, Insignal Co., Ltd. + * + * Author: Claude claude@insginal.co.kr + * + * 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/platform_device.h> +#include <linux/clk.h> + +#include <sound/soc.h> +#include <sound/soc-dapm.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> + +#include "i2s.h" + +static int arndale_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 *cpu_dai = rtd->cpu_dai; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + int rfs, ret; + unsigned long rclk; + + rfs = 256; + + rclk = params_rate(params) * rfs; + + ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_CDCLK, + 0, SND_SOC_CLOCK_OUT); + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_sysclk(cpu_dai, SAMSUNG_I2S_RCLKSRC_0, + 0, SND_SOC_CLOCK_OUT); + + if (ret < 0) + return ret; + + ret = snd_soc_dai_set_sysclk(codec_dai, 0, rclk, SND_SOC_CLOCK_OUT); + if (ret < 0) + return ret; + + return 0; +} + +static struct snd_soc_ops arndale_ops = { + .hw_params = arndale_hw_params, +}; + +static struct snd_soc_dai_link arndale_rt5631_dai[] = { + { + .name = "RT5631 HiFi", + .stream_name = "Primary", + .codec_dai_name = "rt5631-hifi", + .dai_fmt = SND_SOC_DAIFMT_I2S + | SND_SOC_DAIFMT_NB_NF + | SND_SOC_DAIFMT_CBS_CFS, + .ops = &arndale_ops, + }, +}; + +static struct snd_soc_card arndale_rt5631 = { + .name = "Arndale RT5631", + .dai_link = arndale_rt5631_dai, + .num_links = ARRAY_SIZE(arndale_rt5631_dai), +}; + +static int arndale_audio_probe(struct platform_device *pdev) +{ + int n, ret; + struct device_node *np = pdev->dev.of_node; + struct snd_soc_card *card = &arndale_rt5631; + + card->dev = &pdev->dev; + + for (n = 0; np && n < ARRAY_SIZE(arndale_rt5631_dai); n++) { + if (!arndale_rt5631_dai[n].cpu_dai_name) { + arndale_rt5631_dai[n].cpu_of_node = of_parse_phandle(np, + "samsung,audio-cpu", n); + + if (!arndale_rt5631_dai[n].cpu_of_node) { + dev_err(&pdev->dev, + "Property 'samsung,audio-cpu' missing or invalid\n"); + return -EINVAL; + } + } + if (!arndale_rt5631_dai[n].platform_name) + arndale_rt5631_dai[n].platform_of_node = + arndale_rt5631_dai[n].cpu_of_node; + + arndale_rt5631_dai[n].codec_name = NULL; + arndale_rt5631_dai[n].codec_of_node = of_parse_phandle(np, + "samsung,audio-codec", n); + if (!arndale_rt5631_dai[0].codec_of_node) { + dev_err(&pdev->dev, + "Property 'samsung,audio-codec' missing or invalid\n"); + return -EINVAL; + } + } + + ret = devm_snd_soc_register_card(card->dev, card); + + if (ret) + dev_err(&pdev->dev, "snd_soc_register_card() failed:%d\n", ret); + + return ret; +} + +static int arndale_audio_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + + return 0; +} + +static const struct of_device_id samsung_arndale_rt5631_of_match[] = { + { .compatible = "samsung,arndale-rt5631", }, + { .compatible = "samsung,arndale-alc5631", }, + {}, +}; +MODULE_DEVICE_TABLE(of, samsung_arndale_rt5631_of_match); + +static struct platform_driver arndale_audio_driver = { + .driver = { + .name = "arndale-audio", + .owner = THIS_MODULE, + .pm = &snd_soc_pm_ops, + .of_match_table = of_match_ptr(samsung_arndale_rt5631_of_match), + }, + .probe = arndale_audio_probe, + .remove = arndale_audio_remove, +}; + +module_platform_driver(arndale_audio_driver); + +MODULE_AUTHOR("Claude claude@insignal.co.kr"); +MODULE_DESCRIPTION("ALSA SoC Driver for Arndale Board"); +MODULE_LICENSE("GPL");