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-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Mark Brown <broonie@linaro.org>
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@ -8,7 +8,13 @@ Required properties:
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- interrupts: pair specifying rx and tx irq
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- interrupts: pair specifying rx and tx irq
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- clocks: phandle to the spi clock
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- clocks: phandle to the spi clock
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- cs-gpios: see spi-bus.txt
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- cs-gpios: see spi-bus.txt
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- efm32,location: Value to write to the ROUTE register's LOCATION bitfield to configure the pinmux for the device, see datasheet for values.
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Recommended properties :
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- efm32,location: Value to write to the ROUTE register's LOCATION bitfield to
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configure the pinmux for the device, see datasheet for values.
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If "efm32,location" property is not provided, keeping what is
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already configured in the hardware, so its either the reset
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default 0 or whatever the bootloader did.
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Example:
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Example:
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