diff options
author | Richard Fitzgerald <rf@opensource.cirrus.com> | 2019-05-21 11:04:39 +0100 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2019-05-21 21:23:40 +0100 |
commit | 7bd7916dc8ab5b056f1b53e19021e476120481c0 (patch) | |
tree | 291521c8c1f1289d12cde6bd8ee64ebd62a89b03 | |
parent | 1f5f11e7370c6a55da1a37351b0cfb5f86f0cb6d (diff) |
regulator: arizona-micsupp: Add support for Cirrus Logic Madera codecs
This adds a new driver identity "madera-micsupp" and probe function
so that this driver can be used to control the micsupp regulator on
Cirrus Logic Madera codecs.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r-- | drivers/regulator/Kconfig | 7 | ||||
-rw-r--r-- | drivers/regulator/arizona-micsupp.c | 71 |
2 files changed, 74 insertions, 4 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 5827aace014b..660f3a1717ba 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -143,11 +143,12 @@ config REGULATOR_ARIZONA_LDO1 and Wolfson Microelectronic Arizona codecs. config REGULATOR_ARIZONA_MICSUPP - tristate "Wolfson Arizona class devices MICSUPP" - depends on MFD_ARIZONA + tristate "Cirrus Madera and Wolfson Arizona class devices MICSUPP" + depends on MFD_ARIZONA || MFD_MADERA depends on SND_SOC help - Support for the MICSUPP regulators found on Wolfson Arizona class + Support for the MICSUPP regulators found on Cirrus Logic Madera codecs + and Wolfson Microelectronic Arizona codecs devices. config REGULATOR_AS3711 diff --git a/drivers/regulator/arizona-micsupp.c b/drivers/regulator/arizona-micsupp.c index be0d46da51a1..de6802b85e9f 100644 --- a/drivers/regulator/arizona-micsupp.c +++ b/drivers/regulator/arizona-micsupp.c @@ -25,6 +25,10 @@ #include <linux/mfd/arizona/pdata.h> #include <linux/mfd/arizona/registers.h> +#include <linux/mfd/madera/core.h> +#include <linux/mfd/madera/pdata.h> +#include <linux/mfd/madera/registers.h> + #include <linux/regulator/arizona-micsupp.h> struct arizona_micsupp { @@ -200,6 +204,28 @@ static const struct regulator_init_data arizona_micsupp_ext_default = { .num_consumer_supplies = 1, }; +static const struct regulator_desc madera_micsupp = { + .name = "MICVDD", + .supply_name = "CPVDD1", + .type = REGULATOR_VOLTAGE, + .n_voltages = 40, + .ops = &arizona_micsupp_ops, + + .vsel_reg = MADERA_LDO2_CONTROL_1, + .vsel_mask = MADERA_LDO2_VSEL_MASK, + .enable_reg = MADERA_MIC_CHARGE_PUMP_1, + .enable_mask = MADERA_CPMIC_ENA, + .bypass_reg = MADERA_MIC_CHARGE_PUMP_1, + .bypass_mask = MADERA_CPMIC_BYPASS, + + .linear_ranges = arizona_micsupp_ext_ranges, + .n_linear_ranges = ARRAY_SIZE(arizona_micsupp_ext_ranges), + + .enable_time = 3000, + + .owner = THIS_MODULE, +}; + static int arizona_micsupp_of_get_pdata(struct arizona_micsupp_pdata *pdata, struct regulator_config *config, const struct regulator_desc *desc) @@ -316,6 +342,24 @@ static int arizona_micsupp_probe(struct platform_device *pdev) &arizona->pdata.micvdd); } +static int madera_micsupp_probe(struct platform_device *pdev) +{ + struct madera *madera = dev_get_drvdata(pdev->dev.parent); + struct arizona_micsupp *micsupp; + + micsupp = devm_kzalloc(&pdev->dev, sizeof(*micsupp), GFP_KERNEL); + if (!micsupp) + return -ENOMEM; + + micsupp->regmap = madera->regmap; + micsupp->dapm = &madera->dapm; + micsupp->dev = madera->dev; + micsupp->init_data = arizona_micsupp_ext_default; + + return arizona_micsupp_common_init(pdev, micsupp, &madera_micsupp, + &madera->pdata.micvdd); +} + static struct platform_driver arizona_micsupp_driver = { .probe = arizona_micsupp_probe, .driver = { @@ -323,10 +367,35 @@ static struct platform_driver arizona_micsupp_driver = { }, }; -module_platform_driver(arizona_micsupp_driver); +static struct platform_driver madera_micsupp_driver = { + .probe = madera_micsupp_probe, + .driver = { + .name = "madera-micsupp", + }, +}; + +static struct platform_driver * const arizona_micsupp_drivers[] = { + &arizona_micsupp_driver, + &madera_micsupp_driver, +}; + +static int __init arizona_micsupp_init(void) +{ + return platform_register_drivers(arizona_micsupp_drivers, + ARRAY_SIZE(arizona_micsupp_drivers)); +} +module_init(arizona_micsupp_init); + +static void __exit arizona_micsupp_exit(void) +{ + platform_unregister_drivers(arizona_micsupp_drivers, + ARRAY_SIZE(arizona_micsupp_drivers)); +} +module_exit(arizona_micsupp_exit); /* Module information */ MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); MODULE_DESCRIPTION("Arizona microphone supply driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:arizona-micsupp"); +MODULE_ALIAS("platform:madera-micsupp"); |