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authorMarek Vasut <marex@denx.de>2012-08-22 22:38:35 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-09-06 07:45:53 +0800
commite64d07a2dae569fc3c938adac777562a1d6f151e (patch)
treee0afe0d63e206c50bb43cd6521879be3b6b68785 /Documentation
parentf13639dc6043eb67e308aa5cf96717a86c10f8b9 (diff)
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spi/mxs: Make the SPI block clock speed configurable via DT
Add "clock-frequency" property, which allows configuring the SPI block's base speed. Signed-off-by: Marek Vasut <marex@denx.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/spi/mxs-spi.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.txt b/Documentation/devicetree/bindings/spi/mxs-spi.txt
index c36296f5ad28..e2e13957c2a4 100644
--- a/Documentation/devicetree/bindings/spi/mxs-spi.txt
+++ b/Documentation/devicetree/bindings/spi/mxs-spi.txt
@@ -6,6 +6,10 @@ Required properties:
- interrupts: Should contain SSP interrupts (error irq first, dma irq second)
- fsl,ssp-dma-channel: APBX DMA channel for the SSP
+Optional properties:
+- clock-frequency : Input clock frequency to the SPI block in Hz.
+ Default is 160000000 Hz.
+
Example:
ssp0: ssp@80010000 {
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