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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-28 11:32:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-28 11:32:32 -0700
commit24b414d5a7d3e6a716350464dfdb44da610ed142 (patch)
treecb2b2ffa7f7feb09fbbab66a4e760a44ebc39f3a /Documentation
parent4194976b0900efcabbc93cc313ab12abad27d8a8 (diff)
parent7216a4183947853f359b41ba1edb5db9b3091acc (diff)
downloadop-kernel-dev-24b414d5a7d3e6a716350464dfdb44da610ed142.zip
op-kernel-dev-24b414d5a7d3e6a716350464dfdb44da610ed142.tar.gz
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 b82a268..bee6ff2 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:
- spi-max-frequency: Specifies maximum SPI clock frequency,
Units - Hz. Definition as per
Documentation/devicetree/bindings/spi/spi-bus.txt
+- num-cs: total number of chipselects
+- cs-gpios: should specify GPIOs used for chipselects.
+ The gpios will be referred to as reg = <index> in the SPI child
+ nodes. If unspecified, a single SPI device without a chip
+ select can be used.
+
SPI slave nodes must be children of the SPI master node and can contain
properties described in Documentation/devicetree/bindings/spi/spi-bus.txt
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