This patch adds documentation for Device-Tree bindings for the Crypto Engine cryptographic accelerator driver. Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx> --- .../bindings/crypto/allwinner,sun8i-ce.yaml | 84 +++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/allwinner,sun8i-ce.yaml diff --git a/Documentation/devicetree/bindings/crypto/allwinner,sun8i-ce.yaml b/Documentation/devicetree/bindings/crypto/allwinner,sun8i-ce.yaml new file mode 100644 index 000000000000..bd8ccedd6059 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/allwinner,sun8i-ce.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/crypto/allwinner,sun8i-ce.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner Crypto Engine driver + +maintainers: + - Corentin Labbe <clabbe@xxxxxxxxxxxx> + +properties: + compatible: + oneOf: + - const: allwinner,sun8i-h3-crypto + - const: allwinner,sun8i-r40-crypto + - const: allwinner,sun50i-a64-crypto + - const: allwinner,sun50i-h5-crypto + - const: allwinner,sun50i-h6-crypto + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + +if: + properties: + compatible: + contains: + const: allwinner,sun50i-h6-crypto +then: + clocks: + items: + - description: Bus clock + - description: Module clock + - description: MBus clock + + clock-names: + items: + - const: ahb + - const: mod + - const: mbus +else: + clocks: + items: + - description: Bus clock + - description: Module clock + + clock-names: + items: + - const: ahb + - const: mod + + resets: + maxItems: 1 + + reset-names: + const: ahb + + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/sun50i-a64-ccu.h> + #include <dt-bindings/reset/sun50i-a64-ccu.h> + + crypto: crypto@1c15000 { + compatible = "allwinner,sun8i-h3-crypto"; + reg = <0x01c15000 0x1000>; + interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>; + clock-names = "ahb", "mod"; + resets = <&ccu RST_BUS_CE>; + reset-names = "ahb"; + }; + -- 2.21.0