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| author | Adam Ward | 2015-03-04 17:13:12 +0100 |
|---|---|---|
| committer | Lee Jones | 2015-03-12 10:06:40 +0100 |
| commit | 72e341c48fbca142d767e97746e33a4becf890ea (patch) | |
| tree | ed04943ff3aee78f0e8719202df184f7ee288576 /drivers/mfd/da9052-spi.c | |
| parent | mfd: max77843: Add max77843 MFD driver core driver (diff) | |
| download | kernel-qcow2-linux-72e341c48fbca142d767e97746e33a4becf890ea.tar.gz kernel-qcow2-linux-72e341c48fbca142d767e97746e33a4becf890ea.tar.xz kernel-qcow2-linux-72e341c48fbca142d767e97746e33a4becf890ea.zip | |
mfd: da9052: Fix register access via SPI
The range of registers used by this driver exceeds that available
via SPI with no paging (127), so we have to override the values
from the default config which is set-up for I2C access.
Also change SPI settings to match device's recommended OTP values.
Signed-off-by: Adam Ward <adam.ward.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/da9052-spi.c')
| -rw-r--r-- | drivers/mfd/da9052-spi.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mfd/da9052-spi.c b/drivers/mfd/da9052-spi.c index 45ae0b7d13ef..b5de8a6856c0 100644 --- a/drivers/mfd/da9052-spi.c +++ b/drivers/mfd/da9052-spi.c @@ -32,7 +32,7 @@ static int da9052_spi_probe(struct spi_device *spi) if (!da9052) return -ENOMEM; - spi->mode = SPI_MODE_0 | SPI_CPOL; + spi->mode = SPI_MODE_0; spi->bits_per_word = 8; spi_setup(spi); @@ -43,6 +43,10 @@ static int da9052_spi_probe(struct spi_device *spi) config = da9052_regmap_config; config.read_flag_mask = 1; + config.reg_bits = 7; + config.pad_bits = 1; + config.val_bits = 8; + config.use_single_rw = 1; da9052->regmap = devm_regmap_init_spi(spi, &config); if (IS_ERR(da9052->regmap)) { |