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Date: Mon, 11 Nov 2013 13:49:41 -0600
From: Joel Fernandes <joelf@...com>
To: <devicetree@...r.kernel.org>
CC: <linux-omap@...r.kernel.org>,
Santosh Shilimkar <santosh.shilimkar@...com>,
Mark Rutland <mark.rutland@....com>,
Joel Fernandes <joelf@...com>,
Rob Herring <rob.herring@...xeda.com>,
Pawel Moll <pawel.moll@....com>,
Stephen Warren <swarren@...dotorg.org>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Rob Landley <rob@...dley.net>,
"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] doc: devicetree: Add bindings documentation for omap-des driver
Add documentation for the generic OMAP DES crypto modul describing the device
tree bindings.
Reviewed-by: Mark Rutland <mark.rutland@....com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@...com>
Signed-off-by: Joel Fernandes <joelf@...com>
---
v2 changes: Update documentation for clocks, clock-names and dma-names.
.../devicetree/bindings/crypto/omap-des.txt | 30 ++++++++++++++++++++++
1 file changed, 30 insertions(+)
create mode 100644 Documentation/devicetree/bindings/crypto/omap-des.txt
diff --git a/Documentation/devicetree/bindings/crypto/omap-des.txt b/Documentation/devicetree/bindings/crypto/omap-des.txt
new file mode 100644
index 0000000..e8c63bf
--- /dev/null
+++ b/Documentation/devicetree/bindings/crypto/omap-des.txt
@@ -0,0 +1,30 @@
+OMAP SoC DES crypto Module
+
+Required properties:
+
+- compatible : Should contain "ti,omap4-des"
+- ti,hwmods: Name of the hwmod associated with the DES module
+- reg : Offset and length of the register set for the module
+- interrupts : the interrupt-specifier for the DES module
+- clocks : A phandle to the functional clock node of the DES module
+ corresponding to each entry in clock-names
+- clock-names : Name of the functional clock, should be "fck"
+
+Optional properties:
+- dmas: DMA specifiers for tx and rx dma. See the DMA client binding,
+ Documentation/devicetree/bindings/dma/dma.txt
+ Each entry corresponds to an entry in dma-names
+- dma-names: DMA request names should include "tx" and "rx" if present
+
+Example:
+ /* DRA7xx SoC */
+ des: des@...a5000 {
+ compatible = "ti,omap4-des";
+ ti,hwmods = "des";
+ reg = <0x480a5000 0xa0>;
+ interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+ dmas = <&sdma 117>, <&sdma 116>;
+ dma-names = "tx", "rx";
+ clocks = <&l3_iclk_div>;
+ clock-names = "fck";
+ };
--
1.8.1.2
--
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