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authorAxel Lin <axel.lin@ingics.com>2014-04-07 07:11:46 (GMT)
committerMark Brown <broonie@linaro.org>2014-04-07 09:56:38 (GMT)
commite2872090ca825a6625be93555c125072e52a7819 (patch)
treed264d349b5c70c08509f008866af606c57f5f2cb /Documentation/devicetree/bindings/spi
parent45b15d98a96ffdb3c608bdad952f51930c151420 (diff)
spi: efm32: Update binding document to make "efm32,location" property optional
If "efm32,location" property is not provided, keeping what is already configured in the hardware, so its either the reset default 0 or whatever the bootloader did. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Uwe Kleine-K├Ânig <u.kleine-koenig@pengutronix.de> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
-rw-r--r--Documentation/devicetree/bindings/spi/efm32-spi.txt8
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/spi/efm32-spi.txt b/Documentation/devicetree/bindings/spi/efm32-spi.txt
index 8f081c9..130cd17 100644
--- a/Documentation/devicetree/bindings/spi/efm32-spi.txt
+++ b/Documentation/devicetree/bindings/spi/efm32-spi.txt
@@ -8,7 +8,13 @@ Required properties:
- interrupts: pair specifying rx and tx irq
- clocks: phandle to the spi clock
- cs-gpios: see spi-bus.txt
-- efm32,location: Value to write to the ROUTE register's LOCATION bitfield to configure the pinmux for the device, see datasheet for values.
+
+Recommended properties :
+- efm32,location: Value to write to the ROUTE register's LOCATION bitfield to
+ configure the pinmux for the device, see datasheet for values.
+ If "efm32,location" property is not provided, keeping what is
+ already configured in the hardware, so its either the reset
+ default 0 or whatever the bootloader did.
Example:

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