On 29/11/17 10:18, Linus Walleij wrote:
On Thu, Nov 23, 2017 at 6:13 PM, Richard Fitzgerald
<[email protected]> wrote:
+config MFD_MADERA_I2C
+ bool "Cirrus Logic Madera codecs with I2C"
+ select MFD_MADERA
+ select REGMAP_I2C
+ depends on I2C
+ depends on PINCTRL
+ help
+ Support for the Cirrus Logic Madera platform audio SoC
+ core functionality controlled via I2C.
+
+config MFD_MADERA_SPI
+ bool "Cirrus Logic Madera codecs with SPI"
+ select MFD_MADERA
+ select REGMAP_SPI
+ depends on SPI_MASTER
+ depends on PINCTRL
+ help
+ Support for the Cirrus Logic Madera platform audio SoC
+ core functionality controlled via SPI.
Why do the I2C and SPI subdrivers depend on PINCTRL?
They sure don't seem to be using any pinctrl-specific APIs.
They require PINCTRL even if they don't call any functions on it because
the chip won't work correctly if there isn't a PINCTRL driver to apply
the correct pinmux configuration.
Yours,
Linus Walleij
