Merge series "spi: add set_cs_timing support for HW/SW CS mode" from Leilk Liu <leilk...

Merge series "spi: add set_cs_timing support for HW/SW CS mode" from Leilk Liu <leilk.liu@mediatek.com>:

Some controllers only have one HW CS, if support multiple devices, other devices need
to use SW CS.
This patch adds the support of both HW and SW CS via cs_gpio.

leilk.liu (3):
  spi: add power control when set_cs_timing
  spi: support CS timing for HW & SW mode
  spi: mediatek: add set_cs_timing support

 drivers/spi/spi-mt65xx.c | 72 +++++++++++++++++++++++++++++++---------
 drivers/spi/spi.c        | 32 +++++++++++++++---
 2 files changed, 83 insertions(+), 21 deletions(-)

--
2.18.0

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