From 14748d7c5628f01a182de53abdcdb08938996d1d Mon Sep 17 00:00:00 2001 From: Stanimir Varbanov Date: Wed, 25 Jun 2014 19:28:59 +0300 Subject: ARM: DT: qcom: Add Qualcomm crypto driver binding document Here is Qualcomm crypto driver device tree binding documentation to used as a reference example. Signed-off-by: Stanimir Varbanov Signed-off-by: Herbert Xu --- .../devicetree/bindings/crypto/qcom-qce.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/qcom-qce.txt (limited to 'Documentation/devicetree/bindings/crypto') diff --git a/Documentation/devicetree/bindings/crypto/qcom-qce.txt b/Documentation/devicetree/bindings/crypto/qcom-qce.txt new file mode 100644 index 000000000000..fdd53b184ba8 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/qcom-qce.txt @@ -0,0 +1,25 @@ +Qualcomm crypto engine driver + +Required properties: + +- compatible : should be "qcom,crypto-v5.1" +- reg : specifies base physical address and size of the registers map +- clocks : phandle to clock-controller plus clock-specifier pair +- clock-names : "iface" clocks register interface + "bus" clocks data transfer interface + "core" clocks rest of the crypto block +- dmas : DMA specifiers for tx and rx dma channels. For more see + Documentation/devicetree/bindings/dma/dma.txt +- dma-names : DMA request names should be "rx" and "tx" + +Example: + crypto@fd45a000 { + compatible = "qcom,crypto-v5.1"; + reg = <0xfd45a000 0x6000>; + clocks = <&gcc GCC_CE2_AHB_CLK>, + <&gcc GCC_CE2_AXI_CLK>, + <&gcc GCC_CE2_CLK>; + clock-names = "iface", "bus", "core"; + dmas = <&cryptobam 2>, <&cryptobam 3>; + dma-names = "rx", "tx"; + }; -- cgit v1.2.3-59-g8ed1b