Some platforms may not define CONFIG_MFD_SYSCON (or haven't syscon),
it can fix build error for these platforms.
Signed-off-by: Peter Chen <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
syscon.h header uses struct device_node in functions' declarations
without declaring it. This causes compilation warnings like:
include/linux/mfd/syscon.h:20: warning: ‘struct device_node’
declared inside parameter list
include/linux/mfd/syscon.h:20: warning: its scope is only this
definition or declaration, which is probably not what you want
Fix it by adding a forward declaration of struct device_node.
Signed-off-by: Sylwester Nawrocki <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Acked-by: Dong Aisheng <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
This patch allow using syscon driver from the platform data, i.e.
possibility using driver on systems without oftree support.
For search syscon device from the client drivers,
"syscon_regmap_lookup_by_pdevname" function was added.
Signed-off-by: Alexander Shiyan <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
Add regmap based syscon driver.
This is usually used for access misc bits in registers which does not belong
to a specific module, for example, IMX IOMUXC GPR and ANATOP.
With this driver, client can use generic regmap API to access registers
which are registered into syscon.
Reviewed-by: Mark Brown <[email protected]>
Acked-by: Stephen Warren <[email protected]>
Signed-off-by: Dong Aisheng <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
Peter Chen