From d5c010ede10ac8c4558f61bda8d50e0d21f8b6ce Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 27 Dec 2021 19:32:47 +0100 Subject: [PATCH] dt-bindings: rng: ti,keystone-rng: convert TI Keystone RNG to dtschema Convert the TI Keystone RNG bindings to DT schema. Signed-off-by: Krzysztof Kozlowski Signed-off-by: Rob Herring Link: https://lore.kernel.org/r/20211227183251.132525-4-krzysztof.kozlowski@canonical.com --- .../devicetree/bindings/rng/ks-sa-rng.txt | 21 --------- .../devicetree/bindings/rng/ti,keystone-rng.yaml | 50 ++++++++++++++++++++++ 2 files changed, 50 insertions(+), 21 deletions(-) delete mode 100644 Documentation/devicetree/bindings/rng/ks-sa-rng.txt create mode 100644 Documentation/devicetree/bindings/rng/ti,keystone-rng.yaml diff --git a/Documentation/devicetree/bindings/rng/ks-sa-rng.txt b/Documentation/devicetree/bindings/rng/ks-sa-rng.txt deleted file mode 100644 index b7a65b4..0000000 --- a/Documentation/devicetree/bindings/rng/ks-sa-rng.txt +++ /dev/null @@ -1,21 +0,0 @@ -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>; -}; diff --git a/Documentation/devicetree/bindings/rng/ti,keystone-rng.yaml b/Documentation/devicetree/bindings/rng/ti,keystone-rng.yaml new file mode 100644 index 0000000..e749818f --- /dev/null +++ b/Documentation/devicetree/bindings/rng/ti,keystone-rng.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/ti,keystone-rng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Keystone SoC Hardware Random Number Generator + +maintainers: + - Nishanth Menon + - Santosh Shilimkar + +properties: + compatible: + const: ti,keystone-rng + + clocks: + maxItems: 1 + + clock-names: + items: + - const: fck + + reg: + maxItems: 1 + + ti,syscon-sa-cfg: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: | + Phandle to syscon node of the SA configuration registers. These + registers are shared between HWRNG and crypto drivers. + +required: + - compatible + - clocks + - clock-names + - reg + - ti,syscon-sa-cfg + +additionalProperties: false + +examples: + - | + rng@24000 { + compatible = "ti,keystone-rng"; + ti,syscon-sa-cfg = <&sa_config>; + clocks = <&clksa>; + clock-names = "fck"; + reg = <0x24000 0x1000>; + }; -- 2.7.4