diff options
| author | Laxman Dewangan <ldewangan@nvidia.com> | 2012-12-25 20:35:59 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-12-27 17:30:45 +0000 |
| commit | faa3b2d57964e3c3e974e1d0bea8e047bd8e5edd (patch) | |
| tree | 22467ce29c024f9886dc0f694b67883d046c613e /drivers/regulator | |
| parent | a49f0d1ea3ec94fc7cf33a7c36a16343b74bd565 (diff) | |
| download | linux-faa3b2d57964e3c3e974e1d0bea8e047bd8e5edd.tar.gz | |
regulator: tps51632: add register property for regmap
All TPS51632 registers are not readable/writable and
non-volatiles.
Add property of the registers whether it is readable/writable
or volatile for regmap framework.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/tps51632-regulator.c | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c index ab21133e6784..b96fb0e15a82 100644 --- a/drivers/regulator/tps51632-regulator.c +++ b/drivers/regulator/tps51632-regulator.c @@ -205,18 +205,49 @@ skip_pwm_config: return ret; } -static bool rd_wr_reg(struct device *dev, unsigned int reg) +static bool is_volatile_reg(struct device *dev, unsigned int reg) { - if ((reg >= 0x8) && (reg <= 0x10)) + switch (reg) { + case TPS51632_OFFSET_REG: + case TPS51632_FAULT_REG: + case TPS51632_IMON_REG: + return true; + default: return false; - return true; + } +} + +static bool is_read_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case 0x08 ... 0x0F: + return false; + default: + return true; + } +} + +static bool is_write_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case TPS51632_VOLTAGE_SELECT_REG: + case TPS51632_VOLTAGE_BASE_REG: + case TPS51632_VMAX_REG: + case TPS51632_DVFS_CONTROL_REG: + case TPS51632_POWER_STATE_REG: + case TPS51632_SLEW_REGS: + return true; + default: + return false; + } } static const struct regmap_config tps51632_regmap_config = { .reg_bits = 8, .val_bits = 8, - .writeable_reg = rd_wr_reg, - .readable_reg = rd_wr_reg, + .writeable_reg = is_write_reg, + .readable_reg = is_read_reg, + .volatile_reg = is_volatile_reg, .max_register = TPS51632_MAX_REG - 1, .cache_type = REGCACHE_RBTREE, }; |