[v2,14/14] spi: stm32: add description about STM32F4 bindings
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Message ID 1545688840-23992-15-git-send-email-cezary.gapinski@gmail.com
State New, archived
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Series
  • Add support for STM32F4 SPI
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Commit Message

Cezary GapiƄski Dec. 24, 2018, 10 p.m. UTC
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(-)

Comments

Rob Herring Dec. 27, 2018, 9:09 p.m. UTC | #1
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.

Patch
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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: