Since ref_gpmi is sourced from pll0 (480MHz), It allows the GPMI
controller to manage High-Speed NAND Timing (edo mode 3,4 and 5).
Co-developed-by: NMichael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: NMichael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: NDario Binacchi <dario.binacchi@amarulasolutions.com>
Tested-by: NSascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>