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(parent: 1ab09f1) | patch
spi: spi-nxp-fspi: use DLL calibration when clock rate > 100MHz
authorHaibo Chen <haibo.chen@nxp.com>
Wed, 22 Mar 2023 09:04:51 +0000 (17:04 +0800)
committerMark Brown <broonie@kernel.org>
Wed, 22 Mar 2023 13:17:43 +0000 (13:17 +0000)
commit99d822b3adc4f9af59cefdc6619cb3f64182efed
treeca3243a350fa2949fbb8891c2d114bc3d79e567btree | snapshot
parent1ab09f1d070c4774175dab95e55d2b72c2a054abcommit | diff
spi: spi-nxp-fspi: use DLL calibration when clock rate > 100MHz

When clock rate > 100MHz, use the DLL calibration mode, and finally
add the suggested half of the current clock cycle to sample the data.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Link: https://lore.kernel.org/r/20230322090451.3179431-2-haibo.chen@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-nxp-fspi.c diff | blob | history
Domain: System / Kernel;