| Message ID | 1545688840-23992-15-git-send-email-cezary.gapinski@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add support for STM32F4 SPI | expand |
On Mon, 24 Dec 2018 23:00:40 +0100, cezary.gapinski@gmail.com wrote: > From: Cezary Gapinski <cezary.gapinski@gmail.com> > > Add description that STM32F4 can be used in compatible property. > Master Inter-Data Idleness optional property cannot be used in STM32F4. > > Signed-off-by: Cezary Gapinski <cezary.gapinski@gmail.com> > --- > Documentation/devicetree/bindings/spi/spi-stm32.txt | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) > Please add Acked-by/Reviewed-by tags when posting new versions. However, there's no need to repost patches *only* to add the tags. The upstream maintainer will do that for acks received on the version they apply. If a tag was not added on purpose, please state why and what changed.
diff --git a/Documentation/devicetree/bindings/spi/spi-stm32.txt b/Documentation/devicetree/bindings/spi/spi-stm32.txt index 1b3fa2c1..d82755c 100644 --- a/Documentation/devicetree/bindings/spi/spi-stm32.txt +++ b/Documentation/devicetree/bindings/spi/spi-stm32.txt @@ -7,7 +7,9 @@ from 4 to 32-bit data size. Although it can be configured as master or slave, only master is supported by the driver. Required properties: -- compatible: Must be "st,stm32h7-spi". +- compatible: Should be one of: + "st,stm32h7-spi" + "st,stm32f4-spi" - reg: Offset and length of the device's register set. - interrupts: Must contain the interrupt id. - clocks: Must contain an entry for spiclk (which feeds the internal clock @@ -30,8 +32,9 @@ Child nodes represent devices on the SPI bus See ../spi/spi-bus.txt Optional properties: -- st,spi-midi-ns: (Master Inter-Data Idleness) minimum time delay in - nanoseconds inserted between two consecutive data frames. +- st,spi-midi-ns: Only for STM32H7, (Master Inter-Data Idleness) minimum time + delay in nanoseconds inserted between two consecutive data + frames. Example: