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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>
hifive-unleashed-5.1
Adam Ward 2015-03-04 16:13:12 +00:00 committed by Lee Jones
parent c7f585fe46
commit 72e341c48f
1 changed files with 5 additions and 1 deletions
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6
drivers/mfd/da9052-spi.c
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@ -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)) {