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spi: spi-nxp-fspi: correct the comment for the DLL config

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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>
This commit is contained in:
Haibo Chen
2023-03-22 17:04:50 +08:00
committed by Mark Brown
parent 103c6a315b
commit 1ab09f1d07
1 changed files with 5 additions and 1 deletions
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drivers/spi/spi-nxp-fspi.c
+5 -1
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@@ -997,7 +997,11 @@ static int nxp_fspi_default_setup(struct nxp_fspi *f)
/* 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);