[U-Boot] [PATCH v2 00/10] spi: Add Atmel QuadSPI driver

[Tudor.Ambarus at microchip.com]

From: Tudor Ambarus <tudor.ambarus at microchip.com>

Backport the driver from linux v5.1-rc5 and adapt it for u-boot.
Tested on sama5d2_xplained Rev B with mx25l25635e spi-nor flash,
and on sama5d27_som1_ek with sst26vf064b spi-nor flash.

v2: update/add configs and update sama5d2_xplained dts

Cyrille Pitchen (2):
  ARM: dts: at91: sama5d2_xplained: fix QSPI0 node
  ARM: at91: sama5: add common environment for QSPI

Eugen Hristev (1):
  configs: sama5d2_xplained: add support QSPI flash boot

Tudor Ambarus (7):
  dt-bindings: spi: add bindings for Atmel QSPI driver
  spi: Add Atmel QuadSPI driver
  configs: sama5d2_xplained: enable qspi controller and flashes
  configs: sama5d27_som1_ek: enable qspi controller and flashes
  configs: sama5d2_xplained: add qspiflash_defconfig
  configs: sama5d27_som1_ek: add qspiflash_defconfig
  configs: sama5d27_som1_ek: qspi: use common memory layout

 arch/arm/dts/at91-sama5d2_xplained.dts         |  36 +-
 configs/sama5d27_som1_ek_mmc1_defconfig        |   2 +
 configs/sama5d27_som1_ek_mmc_defconfig         |   2 +
 configs/sama5d27_som1_ek_qspiflash_defconfig   | 101 +++++
 configs/sama5d2_xplained_emmc_defconfig        |   5 +
 configs/sama5d2_xplained_mmc_defconfig         |   5 +
 configs/sama5d2_xplained_qspiflash_defconfig   | 101 +++++
 configs/sama5d2_xplained_spiflash_defconfig    |   5 +
 doc/device-tree-bindings/spi/atmel-quadspi.txt |  37 ++
 drivers/spi/Kconfig                            |   7 +
 drivers/spi/Makefile                           |   1 +
 drivers/spi/atmel-quadspi.c                    | 535 +++++++++++++++++++++++++
 include/configs/at91-sama5_common.h            |   8 +
 include/configs/sama5d27_som1_ek.h             |   7 -
 include/configs/sama5d2_xplained.h             |  11 +
 15 files changed, 837 insertions(+), 26 deletions(-)
 create mode 100644 configs/sama5d27_som1_ek_qspiflash_defconfig
 create mode 100644 configs/sama5d2_xplained_qspiflash_defconfig
 create mode 100644 doc/device-tree-bindings/spi/atmel-quadspi.txt
 create mode 100644 drivers/spi/atmel-quadspi.c

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2.9.5