linux-kernel - [PATCH v4 3/3] ARM: DT: qcom: Add Qualcomm crypto driver binding document

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Message-Id: <1403713739-3074-4-git-send-email-svarbanov@mm-sol.com>
Date:	Wed, 25 Jun 2014 19:28:59 +0300
From:	Stanimir Varbanov <svarbanov@...sol.com>
To:	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	"David S. Miller" <davem@...emloft.net>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Grant Likely <grant.likely@...aro.org>
Cc:	linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-doc@...r.kernel.org, Stanimir Varbanov <svarbanov@...sol.com>
Subject: [PATCH v4 3/3] 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 <svarbanov@...sol.com>
---
 .../devicetree/bindings/crypto/qcom-qce.txt        |   25 ++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/crypto/qcom-qce.txt

diff --git a/Documentation/devicetree/bindings/crypto/qcom-qce.txt b/Documentation/devicetree/bindings/crypto/qcom-qce.txt
new file mode 100644
index 0000000..fdd53b1
--- /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@...5a000 {
+		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";
+	};
-- 
1.7.0.4

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