diff options
| author | Dan Murphy <dmurphy@ti.com> | 2020-07-28 18:08:33 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-07-29 15:23:24 +0200 |
| commit | 6617cff6a05e7e7a679499cb1d5cd2d3bc6390c3 (patch) | |
| tree | 9553508bf4af2f3730e8e66a84a2f3a8b57778b5 /sound | |
| parent | dt-bindings: tlv320adcx140: Add GPO config and drive config (diff) | |
| download | linux-6617cff6a05e7e7a679499cb1d5cd2d3bc6390c3.tar.xz linux-6617cff6a05e7e7a679499cb1d5cd2d3bc6390c3.zip | |
ASoC: tlv320adcx140: Add GPO configuration and drive output config
Add General Purpose Output (GPO) configuration and driver output
configuration. The GPOs can be configured as a GPO, IRQ, SDOUT or a
PDMCLK output. In addition the output drive can be configured with
various configurations.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: https://lore.kernel.org/r/20200728160833.24130-2-dmurphy@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/tlv320adcx140.c | 50 | ||||
| -rw-r--r-- | sound/soc/codecs/tlv320adcx140.h | 14 |
2 files changed, 59 insertions, 5 deletions
diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 938c5ef17e61..7bb9e9aa0c0a 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -37,6 +37,13 @@ struct adcx140_priv { unsigned int slot_width; }; +static const char * const gpo_config_names[] = { + "ti,gpo-config-1", + "ti,gpo-config-2", + "ti,gpo-config-3", + "ti,gpo-config-4", +}; + static const struct reg_default adcx140_reg_defaults[] = { { ADCX140_PAGE_SELECT, 0x00 }, { ADCX140_SW_RESET, 0x00 }, @@ -60,10 +67,10 @@ static const struct reg_default adcx140_reg_defaults[] = { { ADCX140_PDMCLK_CFG, 0x40 }, { ADCX140_PDM_CFG, 0x00 }, { ADCX140_GPIO_CFG0, 0x22 }, + { ADCX140_GPO_CFG0, 0x00 }, { ADCX140_GPO_CFG1, 0x00 }, { ADCX140_GPO_CFG2, 0x00 }, { ADCX140_GPO_CFG3, 0x00 }, - { ADCX140_GPO_CFG4, 0x00 }, { ADCX140_GPO_VAL, 0x00 }, { ADCX140_GPIO_MON, 0x00 }, { ADCX140_GPI_CFG0, 0x00 }, @@ -756,6 +763,43 @@ static const struct snd_soc_dai_ops adcx140_dai_ops = { .set_tdm_slot = adcx140_set_dai_tdm_slot, }; +static int adcx140_configure_gpo(struct adcx140_priv *adcx140) +{ + u32 gpo_outputs[ADCX140_NUM_GPOS]; + u32 gpo_output_val = 0; + int ret; + int i; + + for (i = 0; i < ADCX140_NUM_GPOS; i++) { + ret = device_property_read_u32_array(adcx140->dev, + gpo_config_names[i], + gpo_outputs, + ADCX140_NUM_GPO_CFGS); + if (ret) + continue; + + if (gpo_outputs[0] > ADCX140_GPO_CFG_MAX) { + dev_err(adcx140->dev, "GPO%d config out of range\n", i + 1); + return -EINVAL; + } + + if (gpo_outputs[1] > ADCX140_GPO_DRV_MAX) { + dev_err(adcx140->dev, "GPO%d drive out of range\n", i + 1); + return -EINVAL; + } + + gpo_output_val = gpo_outputs[0] << ADCX140_GPO_SHIFT | + gpo_outputs[1]; + ret = regmap_write(adcx140->regmap, ADCX140_GPO_CFG1 + i, + gpo_output_val); + if (ret) + return ret; + } + + return 0; + +} + static int adcx140_codec_probe(struct snd_soc_component *component) { struct adcx140_priv *adcx140 = snd_soc_component_get_drvdata(component); @@ -837,6 +881,10 @@ static int adcx140_codec_probe(struct snd_soc_component *component) return ret; } + ret = adcx140_configure_gpo(adcx140); + if (ret) + goto out; + ret = adcx140_reset(adcx140); if (ret) goto out; diff --git a/sound/soc/codecs/tlv320adcx140.h b/sound/soc/codecs/tlv320adcx140.h index ab3fec866ae9..eedbc1d7221f 100644 --- a/sound/soc/codecs/tlv320adcx140.h +++ b/sound/soc/codecs/tlv320adcx140.h @@ -36,10 +36,10 @@ #define ADCX140_PDMCLK_CFG 0x1f #define ADCX140_PDM_CFG 0x20 #define ADCX140_GPIO_CFG0 0x21 -#define ADCX140_GPO_CFG1 0x22 -#define ADCX140_GPO_CFG2 0x23 -#define ADCX140_GPO_CFG3 0x24 -#define ADCX140_GPO_CFG4 0x25 +#define ADCX140_GPO_CFG0 0x22 +#define ADCX140_GPO_CFG1 0x23 +#define ADCX140_GPO_CFG2 0x24 +#define ADCX140_GPO_CFG3 0x25 #define ADCX140_GPO_VAL 0x29 #define ADCX140_GPIO_MON 0x2a #define ADCX140_GPI_CFG0 0x2b @@ -139,4 +139,10 @@ #define ADCX140_GPI3_INDEX 2 #define ADCX140_GPI4_INDEX 3 +#define ADCX140_NUM_GPOS 4 +#define ADCX140_NUM_GPO_CFGS 2 +#define ADCX140_GPO_SHIFT 4 +#define ADCX140_GPO_CFG_MAX 4 +#define ADCX140_GPO_DRV_MAX 5 + #endif /* _TLV320ADCX140_ */ |