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4 commits

Author SHA1 Message Date
Jim Liu
914b766a2a spi: npcm_pspi: Reset HW in driver probe 
Reset HW to clear old status and use default data mode(8-bit).

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
 2024-05-03 12:22:58 -06:00
Jim Liu
f03e3f0b8b spi: npcm_pspi: Fix the wrong clock divider calculation 
Fix the wrong clock divider calculation.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
 2023-12-26 14:41:46 -05:00
Jim Liu
9b768bf0e3 spi: npcm_pspi: use ACTIVE_LOW flag for cs gpio and set default max_hz 
If cs gpio is requested with ACTIVE_HIGH flag, it will
be pulled low(i.e. active). This is not what we expected.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
 2023-07-13 14:16:59 +05:30
Jim Liu
c1dc8473fa spi: nuvoton: add NPCM PSPI controller driver 
Add Nuvoton NPCM BMC Peripheral SPI controller driver.
NPCM750 include two general-purpose SPI interface.

Signed-off-by: Jim Liu <JJLIU0@nuvoton.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
 2022-10-27 12:41:36 +05:30