Add the RNG bindings for the RK3568 SoC from Rockchip Signed-off-by: Aurelien Jarno <aurelien@xxxxxxxxxxx> --- .../devicetree/bindings/rng/rockchip-rng.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/rockchip-rng.yaml diff --git a/Documentation/devicetree/bindings/rng/rockchip-rng.yaml b/Documentation/devicetree/bindings/rng/rockchip-rng.yaml new file mode 100644 index 000000000000..87d80e8ff7f2 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/rockchip-rng.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/rockchip,rk-rng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip TRNG bindings + +description: + This driver interface with the True Random Number Generator present in some + Rockchip SoCs. + +maintainers: + - Aurelien Jarno <aurelien@xxxxxxxxxxx> + +properties: + compatible: + oneOf: + - const: rockchip,rk3568-rng + + reg: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: clk + - const: hclk + + resets: + maxItems: 1 + + reset-names: + items: + - const: reset + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - reset-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/rk3568-cru.h> + 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>; + reset-names = "reset"; + }; + +... -- 2.35.1
