From 7eff621c460249fbbd1775faa7d4245af1b23d8d Mon Sep 17 00:00:00 2001 From: "Rob Herring (Arm)" Date: Tue, 13 May 2025 13:41:16 -0500 Subject: [PATCH] dt-bindings: crypto: Convert img,hash-accelerator to DT schema Convert the Imagination Technologies hardware hash accelerator binding to DT schema format. It's a straight forward conversion. Signed-off-by: Rob Herring (Arm) Signed-off-by: Herbert Xu --- .../bindings/crypto/img,hash-accelerator.yaml | 69 +++++++++++++++++++ .../devicetree/bindings/crypto/img-hash.txt | 27 -------- 2 files changed, 69 insertions(+), 27 deletions(-) create mode 100644 Documentation/devicetree/bindings/crypto/img,hash-accelerator.yaml delete mode 100644 Documentation/devicetree/bindings/crypto/img-hash.txt diff --git a/Documentation/devicetree/bindings/crypto/img,hash-accelerator.yaml b/Documentation/devicetree/bindings/crypto/img,hash-accelerator.yaml new file mode 100644 index 000000000000..46617561ef94 --- /dev/null +++ b/Documentation/devicetree/bindings/crypto/img,hash-accelerator.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/img,hash-accelerator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Imagination Technologies hardware hash accelerator + +maintainers: + - James Hartley + +description: + The hash accelerator provides hardware hashing acceleration for + SHA1, SHA224, SHA256 and MD5 hashes. + +properties: + compatible: + const: img,hash-accelerator + + reg: + items: + - description: Register base address and size + - description: DMA port specifier + + interrupts: + maxItems: 1 + + dmas: + maxItems: 1 + + dma-names: + items: + - const: tx + + clocks: + items: + - description: System clock for hash block registers + - description: Hash clock for data path + + clock-names: + items: + - const: sys + - const: hash + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - dmas + - dma-names + - clocks + - clock-names + +examples: + - | + #include + #include + + hash@18149600 { + compatible = "img,hash-accelerator"; + reg = <0x18149600 0x100>, <0x18101100 0x4>; + interrupts = ; + dmas = <&dma 8 0xffffffff 0>; + dma-names = "tx"; + clocks = <&cr_periph SYS_CLK_HASH>, <&clk_periph PERIPH_CLK_ROM>; + clock-names = "sys", "hash"; + }; diff --git a/Documentation/devicetree/bindings/crypto/img-hash.txt b/Documentation/devicetree/bindings/crypto/img-hash.txt deleted file mode 100644 index 91a3d757d641..000000000000 --- a/Documentation/devicetree/bindings/crypto/img-hash.txt +++ /dev/null @@ -1,27 +0,0 @@ -Imagination Technologies hardware hash accelerator - -The hash accelerator provides hardware hashing acceleration for -SHA1, SHA224, SHA256 and MD5 hashes - -Required properties: - -- compatible : "img,hash-accelerator" -- reg : Offset and length of the register set for the module, and the DMA port -- interrupts : The designated IRQ line for the hashing module. -- dmas : DMA specifier as per Documentation/devicetree/bindings/dma/dma.txt -- dma-names : Should be "tx" -- clocks : Clock specifiers -- clock-names : "sys" Used to clock the hash block registers - "hash" Used to clock data through the accelerator - -Example: - - hash: hash@18149600 { - compatible = "img,hash-accelerator"; - reg = <0x18149600 0x100>, <0x18101100 0x4>; - interrupts = ; - dmas = <&dma 8 0xffffffff 0>; - dma-names = "tx"; - clocks = <&cr_periph SYS_CLK_HASH>, <&clk_periph PERIPH_CLK_ROM>; - clock-names = "sys", "hash"; - }; -- 2.25.1