From b525ac4be3e98abe8b77311469dccaf9d15877ff Mon Sep 17 00:00:00 2001 From: "Rob Herring (Arm)" Date: Tue, 13 May 2025 13:41:02 -0500 Subject: [PATCH] dt-bindings: crypto: Convert brcm,spum-crypto to DT schema Convert the Broadcom SPUM/SPU2 binding to DT schema format. It's a straight forward conversion. Signed-off-by: Rob Herring (Arm) Signed-off-by: Herbert Xu --- .../bindings/crypto/brcm,spu-crypto.txt | 22 ---------- .../bindings/crypto/brcm,spum-crypto.yaml | 44 +++++++++++++++++++ 2 files changed, 44 insertions(+), 22 deletions(-) delete mode 100644 Documentation/devicetree/bindings/crypto/brcm,spu-crypto.txt create mode 100644 Documentation/devicetree/bindings/crypto/brcm,spum-crypto.yaml diff --git a/Documentation/devicetree/bindings/crypto/brcm,spu-crypto.txt b/Documentation/devicetree/bindings/crypto/brcm,spu-crypto.txt deleted file mode 100644 index 29b6007568eb..000000000000 --- a/Documentation/devicetree/bindings/crypto/brcm,spu-crypto.txt +++ /dev/null @@ -1,22 +0,0 @@ -The Broadcom Secure Processing Unit (SPU) hardware supports symmetric -cryptographic offload for Broadcom SoCs. A SoC may have multiple SPU hardware -blocks. - -Required properties: -- compatible: Should be one of the following: - brcm,spum-crypto - for devices with SPU-M hardware - brcm,spu2-crypto - for devices with SPU2 hardware - brcm,spu2-v2-crypto - for devices with enhanced SPU2 hardware features like SHA3 - and Rabin Fingerprint support - brcm,spum-nsp-crypto - for the Northstar Plus variant of the SPU-M hardware - -- reg: Should contain SPU registers location and length. -- mboxes: The mailbox channel to be used to communicate with the SPU. - Mailbox channels correspond to DMA rings on the device. - -Example: - crypto@612d0000 { - compatible = "brcm,spum-crypto"; - reg = <0 0x612d0000 0 0x900>; - mboxes = <&pdc0 0>; - }; diff --git a/Documentation/devicetree/bindings/crypto/brcm,spum-crypto.yaml b/Documentation/devicetree/bindings/crypto/brcm,spum-crypto.yaml new file mode 100644 index 000000000000..9a5fb61727fa --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/brcm,spum-crypto.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/brcm,spum-crypto.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom SPU Crypto Offload + +maintainers: + - Rob Rice + +description: + The Broadcom Secure Processing Unit (SPU) hardware supports symmetric + cryptographic offload for Broadcom SoCs. A SoC may have multiple SPU hardware + blocks. + +properties: + compatible: + enum: + - brcm,spum-crypto + - brcm,spu2-crypto + - brcm,spu2-v2-crypto # enhanced SPU2 hardware features like SHA3 and Rabin Fingerprint support + - brcm,spum-nsp-crypto # Northstar Plus variant of the SPU-M hardware + + reg: + maxItems: 1 + + mboxes: + maxItems: 1 + +required: + - compatible + - reg + - mboxes + +additionalProperties: false + +examples: + - | + crypto@612d0000 { + compatible = "brcm,spum-crypto"; + reg = <0x612d0000 0x900>; + mboxes = <&pdc0 0>; + }; -- 2.25.1