[PATCH v2 1/2] dt-bindings: rng: add bindings doc for Keystone SA HWRNG driver
From: Vitaly Andrianov <hidden>
Date: 2018-03-13 17:33:30
Also in:
linux-crypto, lkml
Subsystem:
hardware random number generator core, open firmware and flattened device tree bindings, the rest · Maintainers:
Olivia Mackall, Herbert Xu, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The Keystone SA module has a hardware random generator module. This commit adds binding doc for the KS2 SA HWRNG driver. Signed-off-by: Vitaly Andrianov <redacted> Signed-off-by: Murali Karicheri <redacted> Reviewed-by: Rob Herring <robh@kernel.org> --- Documentation/devicetree/bindings/rng/ks-sa-rng.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/ks-sa-rng.txt
diff --git a/Documentation/devicetree/bindings/rng/ks-sa-rng.txt b/Documentation/devicetree/bindings/rng/ks-sa-rng.txt
new file mode 100644
index 0000000..b7a65b4
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/ks-sa-rng.txt@@ -0,0 +1,21 @@ +Keystone SoC Hardware Random Number Generator(HWRNG) Module + +On Keystone SoCs HWRNG module is a submodule of the Security Accelerator. + +- compatible: should be "ti,keystone-rng" +- ti,syscon-sa-cfg: phandle to syscon node of the SA configuration registers. + This registers are shared between hwrng and crypto drivers. +- clocks: phandle to the reference clocks for the subsystem +- clock-names: functional clock name. Should be set to "fck" +- reg: HWRNG module register space + +Example: +/* K2HK */ + +rng@24000 { + compatible = "ti,keystone-rng"; + ti,syscon-sa-cfg = <&sa_config>; + clocks = <&clksa>; + clock-names = "fck"; + reg = <0x24000 0x1000>; +};
--
2.7.4