Add the RNG bindings for the RK3568 SoC from Rockchip Signed-off-by: Aurelien Jarno <aurelien@xxxxxxxxxxx> --- .../bindings/rng/rockchip,rk3568-rng.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml diff --git a/Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml b/Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml new file mode 100644 index 000000000000..c2f5ef69cf07 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/rockchip,rk3568-rng.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/rockchip,rk3568-rng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip TRNG + +description: True Random Number Generator for some Rockchip SoCs + +maintainers: + - Aurelien Jarno <aurelien@xxxxxxxxxxx> + +properties: + compatible: + enum: + - rockchip,rk3568-rng + + reg: + maxItems: 1 + + clocks: + items: + - description: TRNG clock + - description: TRNG AHB clock + + clock-names: + items: + - const: trng_clk + - const: trng_hclk + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - resets + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/rk3568-cru.h> + bus { + #address-cells = <2>; + #size-cells = <2>; + + rng@fe388000 { + compatible = "rockchip,rk3568-rng"; + reg = <0x0 0xfe388000 0x0 0x4000>; + clocks = <&cru CLK_TRNG_NS>, <&cru HCLK_TRNG_NS>; + clock-names = "trng_clk", "trng_hclk"; + resets = <&cru SRST_TRNG_NS>; + }; + }; + +... -- 2.35.1
