Add support for 2.4MHz clock source
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Message-Id: <20210525090822.64577-3-tanureal@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@sirena.org.uk>