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| author | Hisashi Nakamura <hisashi.nakamura.ak@renesas.com> | 2017-05-22 16:11:43 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-05-26 15:11:54 +0300 |
| commit | cf9e4784f3bde3e4749163384f27450ddffe746c (patch) | |
| tree | a4047eb127979d77db50eea2930faf6cff4f78e0 /Documentation | |
| parent | aa2ea9115bc3f0735aa65b833076cc5fe3da1489 (diff) | |
| download | linux-cf9e4784f3bde3e4749163384f27450ddffe746c.tar.xz | |
spi: sh-msiof: Add slave mode support
Add slave mode support to the MSIOF driver, in both PIO and DMA mode.
For now this only supports the transmission of messages with a size
that is known in advance.
Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Hiromitsu Yamasaki <hiromitsu.yamasaki.ym@renesas.com>
[geert: Timeout handling cleanup, spi core integration, cancellation,
rewording]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/sh-msiof.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/sh-msiof.txt b/Documentation/devicetree/bindings/spi/sh-msiof.txt index dc975064fa27..64ee489571c4 100644 --- a/Documentation/devicetree/bindings/spi/sh-msiof.txt +++ b/Documentation/devicetree/bindings/spi/sh-msiof.txt @@ -38,6 +38,8 @@ Optional properties: specifiers, one for transmission, and one for reception. - dma-names : Must contain a list of two DMA names, "tx" and "rx". +- spi-slave : Empty property indicating the SPI controller is used + in slave mode. - renesas,dtdl : delay sync signal (setup) in transmit mode. Must contain one of the following values: 0 (no bit delay) |