diff options
| author | Stephen Boyd <swboyd@chromium.org> | 2022-05-03 12:39:37 -0700 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2022-06-14 11:53:11 +0100 |
| commit | 68d07a7bc36be54b92deaed71a090740282ec300 (patch) | |
| tree | 592e6469eb5d8c492da9265b06ade69bbdd40dde /drivers/iio/proximity | |
| parent | f24333103e844d479161f8d58d59afa2ceac729b (diff) | |
iio: sx9324: Add setting for CS idle mode
Based on device tree setting, set the CS idle mode.
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20220503193937.3794477-3-swboyd@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/proximity')
| -rw-r--r-- | drivers/iio/proximity/sx9324.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/iio/proximity/sx9324.c b/drivers/iio/proximity/sx9324.c index 7f367f63e362..c7fc75f7badc 100644 --- a/drivers/iio/proximity/sx9324.c +++ b/drivers/iio/proximity/sx9324.c @@ -57,6 +57,11 @@ GENMASK(SX9324_REG_AFE_CTRL0_RINT_SHIFT + 1, \ SX9324_REG_AFE_CTRL0_RINT_SHIFT) #define SX9324_REG_AFE_CTRL0_RINT_LOWEST 0x00 +#define SX9324_REG_AFE_CTRL0_CSIDLE_SHIFT 4 +#define SX9324_REG_AFE_CTRL0_CSIDLE_MASK \ + GENMASK(SX9324_REG_AFE_CTRL0_CSIDLE_SHIFT + 1, \ + SX9324_REG_AFE_CTRL0_CSIDLE_SHIFT) +#define SX9324_REG_AFE_CTRL0_RINT_LOWEST 0x00 #define SX9324_REG_AFE_CTRL1 0x21 #define SX9324_REG_AFE_CTRL2 0x22 #define SX9324_REG_AFE_CTRL3 0x23 @@ -872,6 +877,8 @@ sx9324_get_default_reg(struct device *dev, int idx, { static const char * const sx9324_rints[] = { "lowest", "low", "high", "highest" }; + static const char * const sx9324_csidle[] = { "hi-z", "hi-z", "gnd", + "vdd" }; #define SX9324_PIN_DEF "semtech,ph0-pin" #define SX9324_RESOLUTION_DEF "semtech,ph01-resolution" #define SX9324_PROXRAW_DEF "semtech,ph01-proxraw-strength" @@ -902,6 +909,15 @@ sx9324_get_default_reg(struct device *dev, int idx, break; case SX9324_REG_AFE_CTRL0: ret = device_property_read_string(dev, + "semtech,cs-idle-sleep", &res); + if (!ret) + ret = match_string(sx9324_csidle, ARRAY_SIZE(sx9324_csidle), res); + if (ret >= 0) { + reg_def->def &= ~SX9324_REG_AFE_CTRL0_CSIDLE_MASK; + reg_def->def |= ret << SX9324_REG_AFE_CTRL0_CSIDLE_SHIFT; + } + + ret = device_property_read_string(dev, "semtech,int-comp-resistor", &res); if (ret) break; |