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| author | lionel.debieve@st.com <lionel.debieve@st.com> | 2017-07-13 15:32:26 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-07-28 17:55:59 +0800 |
| commit | 7bb952cdfae25f4d9d4dd8c4812c302f57aac4b6 (patch) | |
| tree | b1dda7b45e1b1b55ef7a650fdc7d419573d57c02 | |
| parent | c35af01d939a865b666591ddc653d082258a1135 (diff) | |
| download | linux-7bb952cdfae25f4d9d4dd8c4812c302f57aac4b6.tar.gz | |
dt-bindings: Document STM32 HASH bindings
This adds documentation of device tree bindings for the STM32 HASH controller. Signed-off-by: Lionel Debieve <lionel.debieve@st.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | Documentation/devicetree/bindings/crypto/st,stm32-hash.txt | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/crypto/st,stm32-hash.txt b/Documentation/devicetree/bindings/crypto/st,stm32-hash.txt new file mode 100644 index 000000000000..04fc246f02f7 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/st,stm32-hash.txt @@ -0,0 +1,30 @@ +* STMicroelectronics STM32 HASH + +Required properties: +- compatible: Should contain entries for this and backward compatible + HASH versions: + - "st,stm32f456-hash" for stm32 F456. + - "st,stm32f756-hash" for stm32 F756. +- reg: The address and length of the peripheral registers space +- interrupts: the interrupt specifier for the HASH +- clocks: The input clock of the HASH instance + +Optional properties: +- resets: The input reset of the HASH instance +- dmas: DMA specifiers for the HASH. See the DMA client binding, + Documentation/devicetree/bindings/dma/dma.txt +- dma-names: DMA request name. Should be "in" if a dma is present. +- dma-maxburst: Set number of maximum dma burst supported + +Example: + +hash1: hash@50060400 { + compatible = "st,stm32f756-hash"; + reg = <0x50060400 0x400>; + interrupts = <80>; + clocks = <&rcc 0 STM32F7_AHB2_CLOCK(HASH)>; + resets = <&rcc STM32F7_AHB2_RESET(HASH)>; + dmas = <&dma2 7 2 0x400 0x0>; + dma-names = "in"; + dma-maxburst = <0>; +}; |