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[0/7] spi: zynqmp-gqspi: Split the bus and add GPIO support

Message ID 20250116232118.2694169-1-sean.anderson@linux.dev (mailing list archive)
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Series spi: zynqmp-gqspi: Split the bus and add GPIO support | expand

Message

Sean Anderson Jan. 16, 2025, 11:21 p.m. UTC 
As discussed in patches 1 and FIXME, this device really has two SPI
busses. Split the existing "merged" bus in twain, and add support for
GPIO chipselects.

This series depends on [1, 2].

[1] https://lore.kernel.org/linux-spi/20250116224130.2684544-1-sean.anderson@linux.dev/T/#t
[2] https://lore.kernel.org/linux-spi/20250116225521.2688224-1-sean.anderson@linux.dev/T/#t


Sean Anderson (7):
  dt-bindings: spi: zynqmp-qspi: Split the bus
  spi: zynqmp-gqspi: Pass speed/mode directly to config_op
  spi: zynqmp-gqspi: Configure SPI mode dynamically
  spi: zynqmp-gqspi: Refactor out controller initialization
  spi: zynqmp-gqspi: Split the bus
  spi: zynqmp-gqspi: Support GPIO chip selects
  ARM64: xilinx: zynqmp: Convert to split QSPI bus

 .../bindings/spi/spi-zynqmp-qspi.yaml         |  43 ++-
 .../boot/dts/xilinx/zynqmp-sm-k26-revA.dts    |   5 +-
 .../boot/dts/xilinx/zynqmp-zc1232-revA.dts    |   5 +-
 .../boot/dts/xilinx/zynqmp-zc1254-revA.dts    |   5 +-
 .../dts/xilinx/zynqmp-zc1751-xm015-dc1.dts    |   5 +-
 .../dts/xilinx/zynqmp-zc1751-xm018-dc4.dts    |   5 +-
 .../boot/dts/xilinx/zynqmp-zcu102-revA.dts    |   5 +-
 .../boot/dts/xilinx/zynqmp-zcu104-revA.dts    |   5 +-
 .../boot/dts/xilinx/zynqmp-zcu104-revC.dts    |   5 +-
 .../boot/dts/xilinx/zynqmp-zcu106-revA.dts    |   5 +-
 .../boot/dts/xilinx/zynqmp-zcu111-revA.dts    |   5 +-
 .../boot/dts/xilinx/zynqmp-zcu1275-revA.dts   |   5 +-
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi        |  15 +-
 drivers/spi/spi-zynqmp-gqspi.c                | 328 ++++++++++++++----
 14 files changed, 359 insertions(+), 82 deletions(-)

Comments

Sean Anderson Jan. 16, 2025, 11:24 p.m. UTC | #1 
On 1/16/25 18:21, Sean Anderson wrote:
> As discussed in patches 1 and FIXME, this device really has two SPI

This should be "patches 1 and 5" (oops)

> busses. Split the existing "merged" bus in twain, and add support for
> GPIO chipselects.