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lantiq: Add a rewritten version of the SPI driver

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The new driver provides a few improvements over the old one:
- Separate compatible strings per SoC type (this allows removing some
  hardcoded of_device_is_compatible() checks)
- It does not rely upon spi-bitbang anymore
- chip-selects are numbered as in the datasheet (= starting at 1 instead
  of 0)

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

SVN-Revision: 48292
master
Felix Fietkau 9 years ago
parent af857db692
commit 5985c56ec6
1 changed files with 1133 additions and 0 deletions
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  1. 1133
      target/linux/lantiq/patches-4.1/0100-spi-add-support-for-Lantiq-SPI-controller.patch
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