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>
diff --git a/drivers/mfd/da9052-spi.c b/drivers/mfd/da9052-spi.c
index 45ae0b7..b5de8a6 100644
--- a/drivers/mfd/da9052-spi.c
+++ b/drivers/mfd/da9052-spi.c
@@ -32,7 +32,7 @@
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 @@
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)) {