Current DLL config is just to use the default setting, this means
enable the DLL override mode, and use 1 fixed delay cell in the
DLL delay chain, not means "reset" the DLL, so correct this to
avoid confuse.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Link: https://lore.kernel.org/r/20230322090451.3179431-1-haibo.chen@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
/* Disable the module */
fspi_writel(f, FSPI_MCR0_MDIS, base + FSPI_MCR0);
- /* Reset the DLL register to default value */
+ /*
+ * Config the DLL register to default value, enable the slave clock delay
+ * line delay cell override mode, and use 1 fixed delay cell in DLL delay
+ * chain, this is the suggested setting when clock rate < 100MHz.
+ */
fspi_writel(f, FSPI_DLLACR_OVRDEN, base + FSPI_DLLACR);
fspi_writel(f, FSPI_DLLBCR_OVRDEN, base + FSPI_DLLBCR);