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[0/2] spi: atmel-quadspi: Fix and add full CS delay support

Message ID 20240918082744.379610-1-ada@thorsis.com (mailing list archive)
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Series spi: atmel-quadspi: Fix and add full CS delay support | expand

Message

Alexander Dahl Sept. 18, 2024, 8:27 a.m. UTC 
Hello everyone,

when testing on a SAM9X60 based board with an FPGA implementing a custom
SPI-MEM protocol, we found the need to fully control the delay settings
the atmel/microchip QSPI controller offers.

Greets
Alex

(series based on v6.11, tested on top of v6.6.44)

Cc: linux-spi@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org

Alexander Dahl (2):
  spi: atmel-quadspi: Avoid overwriting delay register settings
  spi: atmel-quadspi: Add cs_hold and cs_inactive setting support

 drivers/spi/atmel-quadspi.c | 50 +++++++++++++++++++++++++++++--------
 1 file changed, 40 insertions(+), 10 deletions(-)


base-commit: 98f7e32f20d28ec452afb208f9cffc08448a2652