From patchwork Thu Sep 16 18:53:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jayesh Choudhary X-Patchwork-Id: 513174 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 254A6C433FE for ; Thu, 16 Sep 2021 18:54:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 077476058D for ; Thu, 16 Sep 2021 18:54:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235753AbhIPSzr (ORCPT ); Thu, 16 Sep 2021 14:55:47 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:44932 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344030AbhIPSzi (ORCPT ); Thu, 16 Sep 2021 14:55:38 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 18GIruAR084558; Thu, 16 Sep 2021 13:53:56 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1631818436; bh=ofxg2rOoyTHRLO7cygaz8Om7ldfzCv8/JSm+cnOaM94=; h=From:To:CC:Subject:Date; b=LE5/W7o1G+2F8rb9BnFfpVShf9T2XZvugeR7TwgAOldluQwHIEaTODJsGVWeymYvF 5I2BTmaivJsgcNdGa7hoOxilmZVT60pkqI+sJsefNVWmKW8FPciuhtZPdVJ5SdJHJo wLEu9rY1t4EGKYdY5zDRjdLIb/+DMFa41Qt3A2HI= Received: from DLEE104.ent.ti.com (dlee104.ent.ti.com [157.170.170.34]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 18GIrteN098340 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 16 Sep 2021 13:53:56 -0500 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Thu, 16 Sep 2021 13:53:55 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Thu, 16 Sep 2021 13:53:55 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 18GIrrJa097516; Thu, 16 Sep 2021 13:53:54 -0500 From: Jayesh Choudhary To: CC: , , , , , Subject: [PATCH] dt-bindings: rng: convert OMAP and Inside-Secure HWRNG to yaml schema Date: Fri, 17 Sep 2021 00:23:52 +0530 Message-ID: <20210916185352.7919-1-j-choudhary@ti.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Converts the RNG bindings for OMAP SoCs and Inside-Secure HWRNG modules to YAML schema. Signed-off-by: Jayesh Choudhary --- .../devicetree/bindings/rng/omap_rng.txt | 38 -------- .../devicetree/bindings/rng/omap_rng.yaml | 94 +++++++++++++++++++ 2 files changed, 94 insertions(+), 38 deletions(-) delete mode 100644 Documentation/devicetree/bindings/rng/omap_rng.txt create mode 100644 Documentation/devicetree/bindings/rng/omap_rng.yaml diff --git a/Documentation/devicetree/bindings/rng/omap_rng.txt b/Documentation/devicetree/bindings/rng/omap_rng.txt deleted file mode 100644 index ea434ce50f36..000000000000 --- a/Documentation/devicetree/bindings/rng/omap_rng.txt +++ /dev/null @@ -1,38 +0,0 @@ -OMAP SoC and Inside-Secure HWRNG Module - -Required properties: - -- compatible : Should contain entries for this and backward compatible - RNG versions: - - "ti,omap2-rng" for OMAP2. - - "ti,omap4-rng" for OMAP4, OMAP5 and AM33XX. - - "inside-secure,safexcel-eip76" for SoCs with EIP76 IP block - Note that these two versions are incompatible. -- ti,hwmods: Name of the hwmod associated with the RNG module -- reg : Offset and length of the register set for the module -- interrupts : the interrupt number for the RNG module. - Used for "ti,omap4-rng" and "inside-secure,safexcel-eip76" -- clocks: the trng clock source. Only mandatory for the - "inside-secure,safexcel-eip76" compatible, the second clock is - needed for the Armada 7K/8K SoCs -- clock-names: mandatory if there is a second clock, in this case the - name must be "core" for the first clock and "reg" for the second - one - - -Example: -/* AM335x */ -rng: rng@48310000 { - compatible = "ti,omap4-rng"; - ti,hwmods = "rng"; - reg = <0x48310000 0x2000>; - interrupts = <111>; -}; - -/* SafeXcel IP-76 */ -trng: rng@f2760000 { - compatible = "inside-secure,safexcel-eip76"; - reg = <0xf2760000 0x7d>; - interrupts = ; - clocks = <&cpm_syscon0 1 25>; -}; diff --git a/Documentation/devicetree/bindings/rng/omap_rng.yaml b/Documentation/devicetree/bindings/rng/omap_rng.yaml new file mode 100644 index 000000000000..86bbc2c53e7d --- /dev/null +++ b/Documentation/devicetree/bindings/rng/omap_rng.yaml @@ -0,0 +1,94 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/omap_rng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: OMAP SoC and Inside-Secure HWRNG Module + +maintainers: + - Jayesh Choudhary + +properties: + compatible: + enum: + - ti,omap2-rng + - ti,omap4-rng + - inside-secure,safexcel-eip76 + + ti,hwmods: + const: rng + deprecated: true + description: Name of the hwmod associated with the RNG module + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + items: + - description: EIP150 gatable clock + - description: Main gatable clock + + clock-names: + oneOf: + - items: + - const: core + - const: reg + - const: core + + +allOf: + - if: + properties: + compatible: + contains: + enum: + - ti,omap4-rng + - inside-secure,safexcel-eip76 + + then: + required: + - interrupts + + - if: + properties: + compatible: + contains: + enum: + - inside-secure,safexcel-eip76 + + then: + required: + - clocks + + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + /* AM335x */ + rng: rng@48310000 { + compatible = "ti,omap4-rng"; + ti,hwmods = "rng"; + reg = <0x48310000 0x2000>; + interrupts = <111>; + }; + - | + /* SafeXcel IP-76 */ + trng: rng@f2760000 { + compatible = "inside-secure,safexcel-eip76"; + reg = <0xf2760000 0x7d>; + interrupts = <0 59 4>; + clocks = <&cpm_syscon0 1 25>; + }; + +...