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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-28 14:32:32 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-28 14:32:32 -0400
commit24b414d5a7d3e6a716350464dfdb44da610ed142 (patch)
treecb2b2ffa7f7feb09fbbab66a4e760a44ebc39f3a /Documentation
parent4194976b0900efcabbc93cc313ab12abad27d8a8 (diff)
parent7216a4183947853f359b41ba1edb5db9b3091acc (diff)
Merge tag 'spi-v3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown: "A few driver specific fixes, the biggest one being a fix for the newly added Qualcomm SPI controller driver to make it not use its internal chip select due to hardware bugs, replacing it with GPIOs" * tag 'spi-v3.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: qup: Remove chip select function spi: qup: Fix order of spi_register_master spi: sh-sci: fix use-after-free in sh_sci_spi_remove() spi/pxa2xx: fix incorrect SW mode chipselect setting for BayTrail LPSS SPI
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/spi/qcom,spi-qup.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/qcom,spi-qup.txt b/Documentation/devicetree/bindings/spi/qcom,spi-qup.txt
index b82a268f1bd4..bee6ff204baf 100644
--- a/Documentation/devicetree/bindings/spi/qcom,spi-qup.txt
+++ b/Documentation/devicetree/bindings/spi/qcom,spi-qup.txt
@@ -23,6 +23,12 @@ Optional properties:
23- spi-max-frequency: Specifies maximum SPI clock frequency, 23- spi-max-frequency: Specifies maximum SPI clock frequency,
24 Units - Hz. Definition as per 24 Units - Hz. Definition as per
25 Documentation/devicetree/bindings/spi/spi-bus.txt 25 Documentation/devicetree/bindings/spi/spi-bus.txt
26- num-cs: total number of chipselects
27- cs-gpios: should specify GPIOs used for chipselects.
28 The gpios will be referred to as reg = <index> in the SPI child
29 nodes. If unspecified, a single SPI device without a chip
30 select can be used.
31
26 32
27SPI slave nodes must be children of the SPI master node and can contain 33SPI slave nodes must be children of the SPI master node and can contain
28properties described in Documentation/devicetree/bindings/spi/spi-bus.txt 34properties described in Documentation/devicetree/bindings/spi/spi-bus.txt