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| author | Marek Vasut <marex@denx.de> | 2012-08-22 22:38:35 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-06 07:45:53 +0800 |
| commit | e64d07a2dae569fc3c938adac777562a1d6f151e (patch) | |
| tree | e0afe0d63e206c50bb43cd6521879be3b6b68785 /Documentation | |
| parent | f13639dc6043eb67e308aa5cf96717a86c10f8b9 (diff) | |
| download | linux-e64d07a2dae569fc3c938adac777562a1d6f151e.tar.gz linux-e64d07a2dae569fc3c938adac777562a1d6f151e.tar.bz2 linux-e64d07a2dae569fc3c938adac777562a1d6f151e.zip | |
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.txt | 4 |
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 { |