This patch adds basic driver implementation for Broadcom's
static adc controller used in iProc SoC's family.
Signed-off-by: NRaveendra Padasalagi <raveendra.padasalagi@broadcom.com>
Reviewed-by: NRay Jui <ray.jui@broadcom.com>
Reviewed-by: NScott Branden <scott.branden@broadcom.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>