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Commit e2872090 authored by Axel Lin's avatar Axel Lin Committed by Mark Brown
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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: default avatarAxel Lin <axel.lin@ingics.com>
Acked-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 45b15d98

Documentation/devicetree/bindings/spi/efm32-spi.txt

+7 −1
Original line number Diff line number Diff line
@@ -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: