ASoC: ak5558: Add support for ak5552

AK5552 is a 32-bit 2ch ADC and has the same register
map as AK5558.

Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1617176686-25528-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/ak5558.c b/sound/soc/codecs/ak5558.c
index 85bdd05..3ac62a2 100644 (file)
--- a/sound/soc/codecs/ak5558.c
+++ b/sound/soc/codecs/ak5558.c
@@ -9,6 +9,7 @@
 #include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/module.h>
+#include <linux/of_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>
@@ -23,6 +24,11 @@
 
 #include "ak5558.h"
 
+enum ak555x_type {
+       AK5558,
+       AK5552,
+};
+
 #define AK5558_NUM_SUPPLIES 2
 static const char *ak5558_supply_names[AK5558_NUM_SUPPLIES] = {
        "DVDD",
@@ -59,6 +65,15 @@ static const struct soc_enum ak5558_mono_enum[] = {
                        ARRAY_SIZE(mono_texts), mono_texts),
 };
 
+static const char * const mono_5552_texts[] = {
+       "2 Slot", "1 Slot (Fixed)", "2 Slot", "1 Slot (Optimal)",
+};
+
+static const struct soc_enum ak5552_mono_enum[] = {
+       SOC_ENUM_SINGLE(AK5558_01_POWER_MANAGEMENT2, 1,
+                       ARRAY_SIZE(mono_5552_texts), mono_5552_texts),
+};
+
 static const char * const digfil_texts[] = {
        "Sharp Roll-Off", "Show Roll-Off",
        "Short Delay Sharp Roll-Off", "Short Delay Show Roll-Off",
@@ -70,8 +85,13 @@ static const struct soc_enum ak5558_adcset_enum[] = {
 };
 
 static const struct snd_kcontrol_new ak5558_snd_controls[] = {
-       SOC_ENUM("AK5558 Monaural Mode", ak5558_mono_enum[0]),
-       SOC_ENUM("AK5558 Digital Filter", ak5558_adcset_enum[0]),
+       SOC_ENUM("Monaural Mode", ak5558_mono_enum[0]),
+       SOC_ENUM("Digital Filter", ak5558_adcset_enum[0]),
+};
+
+static const struct snd_kcontrol_new ak5552_snd_controls[] = {
+       SOC_ENUM("Monaural Mode", ak5552_mono_enum[0]),
+       SOC_ENUM("Digital Filter", ak5558_adcset_enum[0]),
 };
 
 static const struct snd_soc_dapm_widget ak5558_dapm_widgets[] = {
@@ -97,6 +117,17 @@ static const struct snd_soc_dapm_widget ak5558_dapm_widgets[] = {
        SND_SOC_DAPM_AIF_OUT("SDTO", "Capture", 0, SND_SOC_NOPM, 0, 0),
 };
 
+static const struct snd_soc_dapm_widget ak5552_dapm_widgets[] = {
+       /* Analog Input */
+       SND_SOC_DAPM_INPUT("AIN1"),
+       SND_SOC_DAPM_INPUT("AIN2"),
+
+       SND_SOC_DAPM_ADC("ADC Ch1", NULL, AK5558_00_POWER_MANAGEMENT1, 0, 0),
+       SND_SOC_DAPM_ADC("ADC Ch2", NULL, AK5558_00_POWER_MANAGEMENT1, 1, 0),
+
+       SND_SOC_DAPM_AIF_OUT("SDTO", "Capture", 0, SND_SOC_NOPM, 0, 0),
+};
+
 static const struct snd_soc_dapm_route ak5558_intercon[] = {
        {"ADC Ch1", NULL, "AIN1"},
        {"SDTO", NULL, "ADC Ch1"},
@@ -123,6 +154,14 @@ static const struct snd_soc_dapm_route ak5558_intercon[] = {
        {"SDTO", NULL, "ADC Ch8"},
 };
 
+static const struct snd_soc_dapm_route ak5552_intercon[] = {
+       {"ADC Ch1", NULL, "AIN1"},
+       {"SDTO", NULL, "ADC Ch1"},
+
+       {"ADC Ch2", NULL, "AIN2"},
+       {"SDTO", NULL, "ADC Ch2"},
+};
+
 static int ak5558_set_mcki(struct snd_soc_component *component)
 {
        return snd_soc_component_update_bits(component, AK5558_02_CONTROL1, AK5558_CKS,
@@ -267,6 +306,18 @@ static struct snd_soc_dai_driver ak5558_dai = {
        .ops = &ak5558_dai_ops,
 };
 
+static struct snd_soc_dai_driver ak5552_dai = {
+       .name = "ak5558-aif",
+       .capture = {
+               .stream_name = "Capture",
+               .channels_min = 1,
+               .channels_max = 2,
+               .rates = SNDRV_PCM_RATE_KNOT,
+               .formats = AK5558_FORMATS,
+       },
+       .ops = &ak5558_dai_ops,
+};
+
 static void ak5558_power_off(struct ak5558_priv *ak5558)
 {
        if (!ak5558->reset_gpiod)
@@ -354,6 +405,21 @@ static const struct snd_soc_component_driver soc_codec_dev_ak5558 = {
        .non_legacy_dai_naming  = 1,
 };
 
+static const struct snd_soc_component_driver soc_codec_dev_ak5552 = {
+       .probe                  = ak5558_probe,
+       .remove                 = ak5558_remove,
+       .controls               = ak5552_snd_controls,
+       .num_controls           = ARRAY_SIZE(ak5552_snd_controls),
+       .dapm_widgets           = ak5552_dapm_widgets,
+       .num_dapm_widgets       = ARRAY_SIZE(ak5552_dapm_widgets),
+       .dapm_routes            = ak5552_intercon,
+       .num_dapm_routes        = ARRAY_SIZE(ak5552_intercon),
+       .idle_bias_on           = 1,
+       .use_pmdown_time        = 1,
+       .endianness             = 1,
+       .non_legacy_dai_naming  = 1,
+};
+
 static const struct regmap_config ak5558_regmap = {
        .reg_bits = 8,
        .val_bits = 8,
@@ -368,6 +434,7 @@ static int ak5558_i2c_probe(struct i2c_client *i2c)
 {
        struct ak5558_priv *ak5558;
        int ret = 0;
+       int dev_id;
        int i;
 
        ak5558 = devm_kzalloc(&i2c->dev, sizeof(*ak5558), GFP_KERNEL);
@@ -396,11 +463,26 @@ static int ak5558_i2c_probe(struct i2c_client *i2c)
                return ret;
        }
 
-       ret = devm_snd_soc_register_component(&i2c->dev,
-                                    &soc_codec_dev_ak5558,
-                                    &ak5558_dai, 1);
-       if (ret)
+       dev_id = (uintptr_t)of_device_get_match_data(&i2c->dev);
+       switch (dev_id) {
+       case AK5552:
+               ret = devm_snd_soc_register_component(&i2c->dev,
+                                                     &soc_codec_dev_ak5552,
+                                                     &ak5552_dai, 1);
+               break;
+       case AK5558:
+               ret = devm_snd_soc_register_component(&i2c->dev,
+                                                     &soc_codec_dev_ak5558,
+                                                     &ak5558_dai, 1);
+               break;
+       default:
+               dev_err(&i2c->dev, "unexpected device type\n");
+               return -EINVAL;
+       }
+       if (ret < 0) {
+               dev_err(&i2c->dev, "failed to register component: %d\n", ret);
                return ret;
+       }
 
        pm_runtime_enable(&i2c->dev);
        regcache_cache_only(ak5558->regmap, true);
@@ -416,7 +498,8 @@ static int ak5558_i2c_remove(struct i2c_client *i2c)
 }
 
 static const struct of_device_id ak5558_i2c_dt_ids[] __maybe_unused = {
-       { .compatible = "asahi-kasei,ak5558"},
+       { .compatible = "asahi-kasei,ak5558", .data = (void *) AK5558 },
+       { .compatible = "asahi-kasei,ak5552", .data = (void *) AK5552 },
        { }
 };
 MODULE_DEVICE_TABLE(of, ak5558_i2c_dt_ids);