linux-kernel - [PATCH 4/4] crypto: rk_crypto - add DT bindings documentation

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Message-Id: <1446186638-16068-5-git-send-email-zain.wang@rock-chips.com>
Date:	Fri, 30 Oct 2015 14:30:38 +0800
From:	Zain Wang <zain.wang@...k-chips.com>
To:	zhengsq@...k-chips.com, hl@...k-chips.com,
	linux-kernel@...r.kernel.org
Cc:	eddie.cai@...k-chips.com, Zain Wang <zain.wang@...k-chips.com>
Subject: [PATCH 4/4] crypto: rk_crypto - add DT bindings documentation

Add DT bindings documentation for the rk3288 crypto drivers.

Signed-off-by: Zain Wang <zain.wang@...k-chips.com>
---
 .../devicetree/bindings/crypto/rk-crypto.txt       | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/crypto/rk-crypto.txt

diff --git a/Documentation/devicetree/bindings/crypto/rk-crypto.txt b/Documentation/devicetree/bindings/crypto/rk-crypto.txt
new file mode 100644
index 0000000..1e50768
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/rk-crypto.txt
@@ -0,0 +1,31 @@
+Rockchip Electronics And Security Accelerator
+
+Required properties:
+- compatible: should be "rockchip,crypto"
+- reg: base physical address of the engine and length of memory mapped
+       region.
+- interrupts: interrupt number
+- clocks: clock specifiers
+- clock-names: "aclk_crypto" used to clock data
+			   "hclk_crypto" used to clock data
+			   "srst_crypto" used to clock crypto accelerator
+			   "apb_pclk"    used to clock dma
+-status: Enable
+
+Examples:
+
+	crypto: cypto-controller@...a0000 {
+		compatible = "rockchip,crypto";
+		reg = <0xff8a0000 0x4000>;
+		interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru ACLK_CRYPTO>,
+			 <&cru HCLK_CRYPTO>,
+			 <&cru SRST_CRYPTO>,
+			 <&cru ACLK_DMAC1>;
+
+		clock-names = "aclk_crypto",
+			      "hclk_crypto",
+			      "srst_crypto",
+				  "apb_pclk";
+		status = "okay";
+	};
-- 
1.9.1


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