Add DT bindings documentation for the rk3288 crypto drivers.
Signed-off-by: Zain Wang <zain.wang@xxxxxxxxxxxxxx>
---
.../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@ff8a0000 {
+ 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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