Add DT bindings related to the SPAcc driver for Documentation. DWC Synopsys Security Protocol Accelerator(SPAcc) Hardware Crypto Engine is a crypto IP designed by Synopsys. Co-developed-by: Bhoomika Kadabi <bhoomikak@xxxxxxxxxxxxxxx> Signed-off-by: Bhoomika Kadabi <bhoomikak@xxxxxxxxxxxxxxx> Co-developed-by: Pavitrakumar Managutte <pavitrakumarm@xxxxxxxxxxxxxxx> Signed-off-by: Pavitrakumar Managutte <pavitrakumarm@xxxxxxxxxxxxxxx> Acked-by: Ruud Derwig <Ruud.Derwig@xxxxxxxxxxxx> --- .../bindings/crypto/snps,dwc-spacc.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/crypto/snps,dwc-spacc.yaml diff --git a/Documentation/devicetree/bindings/crypto/snps,dwc-spacc.yaml b/Documentation/devicetree/bindings/crypto/snps,dwc-spacc.yaml new file mode 100644 index 000000000000..6b94d0aa7280 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/snps,dwc-spacc.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/crypto/snps,dwc-spacc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Synopsys DesignWare Security Protocol Accelerator(SPAcc) Crypto Engine + +maintainers: + - Ruud Derwig <Ruud.Derwig@xxxxxxxxxxxx> + +description: + DWC Synopsys Security Protocol Accelerator(SPAcc) Hardware Crypto Engine is + a crypto IP designed by Synopsys, that can accelerate cryptographic + operations. + +properties: + compatible: + contains: + enum: + - snps,dwc-spacc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + snps,vspacc-priority: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Set priority mode on the Virtual SPAcc. This is Virtual SPAcc priority + weight. Its used in priority arbitration of the Virtual SPAccs. + minimum: 0 + maximum: 15 + default: 0 + + snps,vspacc-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Virtual spacc index for validation and driver functioning. + minimum: 0 + maximum: 7 + + snps,spacc-wdtimer: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Watchdog timer count to replace the default value in driver. + minimum: 0x19000 + maximum: 0xFFFFF + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + spacc@40000000 { + compatible = "snps,dwc-spacc"; + reg = <0x40000000 0x3FFFF>; + interrupt-parent = <&gic>; + interrupts = <0 89 4>; + clocks = <&clock>; + snps,vspacc-priority = <4>; + snps,spacc-wdtimer = <0x20000>; + snps,vspacc-id = <0>; + }; -- 2.25.1
