From patchwork Tue May 13 18:41:16 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 889695 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9E1B92BF976; Tue, 13 May 2025 18:41:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747161683; cv=none; b=EpPJuAnXSTAUKzrm4hdQZkPGUVVGEl5bB40ZnMtdKVAytG2xtpUoAgDTZXFywbe64Owon8SJf/wfYb5naZ8Vmi3etryBj1IDzxBeeJzAD0ej/rnFBnlUCQOLIFWjPQnjXrok+GrkbrOPX2PSSqUwxC6hfLNpRLarzfpdcdaYuNo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747161683; c=relaxed/simple; bh=ZxjeGbjASaZfwtnXHdzTOFRIZEfBHZ1cfd7hEC2kbJ0=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=WMYT6BhxIW0Qr0+RmKz7eQmGqFP7mlTUPlhca0bV5MD3fv4nxnD6tuEGmhHmTpSSeFKDKUIgiOBWnEZeOLHuQ68SrU4ntOvuYx0d4QXwogEFwezSC/8jDydcLjY/GQfvGocPoYS1Xj/aKKzKtfpYBpnLWiURt8GivvdxnqBW1B0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UNBFJm5n; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UNBFJm5n" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFBFFC4CEE4; Tue, 13 May 2025 18:41:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747161682; bh=ZxjeGbjASaZfwtnXHdzTOFRIZEfBHZ1cfd7hEC2kbJ0=; h=From:To:Cc:Subject:Date:From; b=UNBFJm5nqmt05xCjSV/rOPZTe+s80ja5SgI3SpUiF26rUdfFsK7YInWc9meQp9mau toNTcyq+loIyz9nGUuiYq4npGQ3zmr/hiPSKqrt1OwJ5LikI8DER+isXmFcZbA+JCi lySuSJcxbgZClw3yzQ1PDiOQYqRzZhmzOAlmxJECgAHEkwFyPk6A0k0Hz45iB6d4ox Td1G8OcRSSSsAttCamCCAbynXShYiz+l7Sy8ESybPJEZQfyNRgZOQlD6HiCxN0Cbq6 3rHj1N4i1XhtqlDXU/4vkpUNk3I9IBLPV7xuWmIu5Jf/hPQdMCRMi6COoV86sWTfnt LiUltenw/NcyQ== From: "Rob Herring (Arm)" To: Herbert Xu , "David S. Miller" , Krzysztof Kozlowski , Conor Dooley , James Hartley Cc: linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] dt-bindings: crypto: Convert img,hash-accelerator to DT schema Date: Tue, 13 May 2025 13:41:16 -0500 Message-ID: <20250513184118.3052496-1-robh@kernel.org> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Convert the Imagination Technologies hardware hash accelerator binding to DT schema format. It's a straight forward conversion. Signed-off-by: Rob Herring (Arm) --- .../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"; - };