From: Lionel Debieve Subject: [PATCH 1/2] dt-bindings: Document STM32 HASH bindings Date: Thu, 13 Jul 2017 15:32:26 +0200 Message-ID: <1499952747-16423-2-git-send-email-lionel.debieve@st.com> References: <1499952747-16423-1-git-send-email-lionel.debieve@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Ludovic Barre , Lionel Debieve , Benjamin Gaignard , Fabien Dessenne To: Herbert Xu , "David S . Miller" , Rob Herring , Mark Rutland , Maxime Coquelin , Alexandre Torgue , , , , Return-path: In-Reply-To: <1499952747-16423-1-git-send-email-lionel.debieve@st.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org List-Id: linux-crypto.vger.kernel.org This adds documentation of device tree bindings for the STM32 HASH controller. Signed-off-by: Lionel Debieve --- .../devicetree/bindings/crypto/st,stm32-hash.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/st,stm32-hash.txt 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 0000000..04fc246 --- /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>; +}; -- 2.7.4