Hi Martin,
Am 25.06.2015 um 12:54 schrieb ker...@martin.sperl.org:
From: Martin Sperl <ker...@martin.sperl.org>
Signed-off-by: Martin Sperl <ker...@martin.sperl.org>
---
.../bindings/spi/brcm,bcm2835-aux-spi.txt | 35 ++++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644
Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
Changelog:
V1 -> V2: fixed typo
added cs-gpios
diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
new file mode 100644
index 0000000..66f52d3
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt
@@ -0,0 +1,35 @@
+Broadcom BCM2835 auxiliar SPI1/2 controller
+
+The BCM2835 contains two forms of SPI master controller, one known simply as
+SPI0, and the other known as the "Universal SPI Master"; part of the
+auxiliary block. This binding applies to the SPI1/2 controller.
+
+Required properties:
+- compatible: Should be "brcm,bcm2835-aux-spi".
+- reg: Should contain register location and length for the spi block
+ as well as for the common aux block control
+- interrupts: Should contain shared interrupt of the aux block
+- clocks: The clock feeding the SPI controller.
+- cs-gpios: the cs-gpios (native cs is NOT supported)
it would be nice to reference to spi-bus.txt here, just like the other
bindings does.
- cs-gpios: see spi-bus.txt (native chip-select is NOT supported)
Beside that try to get a feedback from the devicetree maintainers.
Stefan
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