From patchwork Mon Sep 30 09:30:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavitrakumar Managutte X-Patchwork-Id: 832046 Received: from mail-pf1-f174.google.com (mail-pf1-f174.google.com [209.85.210.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 44AD4186E39 for ; Mon, 30 Sep 2024 09:31:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.174 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727688709; cv=none; b=mTB/YpHCUfpPdWgL7uhJHPTMr9zQoBxh3O6tdWIGaRVnITWwtnmsSWO2l5Cm+eazkOTYUq909a6n6cikIn92pLKAHYbJ1pqutb908YV00P8qH5IEVj7uyC+EmlKeIGbto87W2GTFeI2Db+h5LxkRc9fgCium7pxw9aHsOehKWMU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727688709; c=relaxed/simple; bh=lh7vQP7YZYkRfhbJ+3sJimha87K0zmd4zjG0J7UpcMM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=mj9P+iD5tHlYgCo3KKC8/0rSXf46SteFU/pMUEQSkyeI5o1ohZZ9OEzK87i8uUY3PFCIvKIT2tJPz81C3ZnaOUlrNeXYAnY188yBF54N0/et3Ka3PT39fFkIuykc2zLhnDOJMOF21SJS6Xe/yFjO4WXSM64NsFsUPe4YHV3cYrM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=vayavyalabs.com; spf=pass smtp.mailfrom=vayavyalabs.com; dkim=pass (1024-bit key) header.d=vayavyalabs.com header.i=@vayavyalabs.com header.b=JIe4MGsq; arc=none smtp.client-ip=209.85.210.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=vayavyalabs.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=vayavyalabs.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=vayavyalabs.com header.i=@vayavyalabs.com header.b="JIe4MGsq" Received: by mail-pf1-f174.google.com with SMTP id d2e1a72fcca58-71c5df16b10so2057908b3a.0 for ; Mon, 30 Sep 2024 02:31:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vayavyalabs.com; s=google; t=1727688708; x=1728293508; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=O6/r2qbqsI1AlqoPBioCj0dRyfiMeEnom7E5xcoB3Rk=; b=JIe4MGsq8PdPlwGbTRpYj1nJZy068O8mmj290w79MyhhWDEmvCk8mqepTfgTyV+DhA G5s7wBZoLyUWxGvy0YK1NVec/XizsNVYh5Mm/HKYvi1tO92ecvQfhbljE/Kp8e9ZnVPz bj5pTJadz5kNpphxnIjQVZUVdnO2J4XaP5DCo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727688708; x=1728293508; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=O6/r2qbqsI1AlqoPBioCj0dRyfiMeEnom7E5xcoB3Rk=; b=MHf3J09Mnd1AoAIACE7JniCus0kEqRf2MuP6EMbqewg5zyjtn9puRAFtLr/+x0voTb XQ5o9wXyj7l7xNMusT0Ndowvcn3jNTI5rq1TmjSvvJ8oGUif+ThcqM0B/KXkgOhr1uIX +cFSkcK3m+YLjIHskxm5EfzkXqOh1Q+MwpYwyIEpaY3ktOEC2vRNa+EK3mb1z7xamudX vvyz35bjSHEHDDr3vG0eGhU5FgM0X0JpHRiBC/IKevs92DJqjwDnplJticrg7lnIoErY 7K86u7qg9TxO2YK97tDFvCZgudHw/8P6xlmDSC673K4u1REgh5pHPVW+C99uzsL7ED7K s1hA== X-Forwarded-Encrypted: i=1; AJvYcCWw+imx3sWGoudms3IFWhM4zDZyJJWeNUhZNfIKtFj6MQOKOu2kXeEjQVfQg4zzlYeoMBRbIaUESZyrAeM=@vger.kernel.org X-Gm-Message-State: AOJu0YwinER5QK54DCbpVOZeLEG0pFXNHbH96R9c+RxRB5XhL8598mQR JdUJt5OIBRAjAFduSywNKY6+/SpYMCbNqeSXK+6x/vAMfcg1cLf4A0ooYY6mx0s= X-Google-Smtp-Source: AGHT+IGwc2v/OEjF63gg/Ep4W0s6lvCOPX6lcDSVBT8lh4S89A9boXgJmBADW5231WmtiE5ztwDsNw== X-Received: by 2002:a05:6a00:9a1:b0:70d:2a88:a483 with SMTP id d2e1a72fcca58-71b25daa507mr19532255b3a.0.1727688707510; Mon, 30 Sep 2024 02:31:47 -0700 (PDT) Received: from localhost.localdomain ([103.108.57.9]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71b26499743sm6037482b3a.18.2024.09.30.02.31.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Sep 2024 02:31:47 -0700 (PDT) From: Pavitrakumar M To: devicetree@vger.kernel.org, herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org, robh@kernel.org Cc: Ruud.Derwig@synopsys.com, manjunath.hadli@vayavyalabs.com, bhoomikak@vayavyalabs.com, Pavitrakumar M Subject: [PATCH v9 7/7] dt-bindings: crypto: Document support for SPAcc Date: Mon, 30 Sep 2024 15:00:54 +0530 Message-Id: <20240930093054.215809-8-pavitrakumarm@vayavyalabs.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240930093054.215809-1-pavitrakumarm@vayavyalabs.com> References: <20240930093054.215809-1-pavitrakumarm@vayavyalabs.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 Signed-off-by: Bhoomika Kadabi Co-developed-by: Pavitrakumar Managutte Signed-off-by: Pavitrakumar Managutte Acked-by: Ruud Derwig --- .../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 + +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>; + };