Re: [PATCH 1/2] Documentation: dt: rng: add bindings doc for Keystone SA HWRNG driver
From: Rob Herring <robh@kernel.org>
Date: 2018-03-06 02:40:38
Also in:
linux-crypto, lkml
On Thu, Mar 01, 2018 at 07:54:59AM -0500, Vitaly Andrianov wrote:
The Keystone SA module has a hardware random generator module. This commit adds binding doc for the KS2 SA HWRNG driver.
Preferred subject prefix is "dt-bindings: rng: ..."
quoted hunk ↗ jump to hunk
Signed-off-by: Vitaly Andrianov <redacted> Signed-off-by: Murali Karicheri <redacted> --- Documentation/devicetree/bindings/rng/ks-sa-rng.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/ks-sa-rng.txtdiff --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..cc8ee44 --- /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 */ + +hwrng@0x24000 {
rng@24000 With those, Reviewed-by: Rob Herring <robh@kernel.org>
+ compatible = "ti,keystone-rng"; + ti,syscon-sa-cfg = <&sa_config>; + clocks = <&clksa>; + clock-names = "fck"; + reg = <0x24000 0x1000>; +}; -- 2.7.4