From patchwork Thu May 14 13:19:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 11548737 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5233A912 for ; Thu, 14 May 2020 13:20:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 317F720758 for ; Thu, 14 May 2020 13:20:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="JSAcLnGN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726124AbgENNUO (ORCPT ); Thu, 14 May 2020 09:20:14 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:59872 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726050AbgENNUO (ORCPT ); Thu, 14 May 2020 09:20:14 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04EDJoRa003750; Thu, 14 May 2020 08:19:50 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1589462390; bh=dUj5luPHu1YhkdbBoiYQztRz+qbnT9MuBcFThH036h8=; h=From:To:CC:Subject:Date; b=JSAcLnGN6B3gF7j/k2fuXUpxgxjlvjFGMeJSnlDxUew7ebr4Zcrz9NauxFnlsiHG1 C/S9d/j22oLiFOXaqu8wnupqCipMOegC5Ykae59u4ZKQRbHQAhA3v9TuHVNqi2MEEj BbPKQ9d52i16k+vNCLjKl0dgoP9gOgfFdfibr9Ok= Received: from DLEE110.ent.ti.com (dlee110.ent.ti.com [157.170.170.21]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 04EDJo1t045219 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 14 May 2020 08:19:50 -0500 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 14 May 2020 08:19:50 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Thu, 14 May 2020 08:19:50 -0500 Received: from sokoban.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04EDJmDV032816; Thu, 14 May 2020 08:19:48 -0500 From: Tero Kristo To: , CC: , , Subject: [PATCH 1/1] dt-bindings: rng: Convert OMAP RNG to schema Date: Thu, 14 May 2020 16:19:47 +0300 Message-ID: <20200514131947.28094-1-t-kristo@ti.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Convert TI OMAP Random number generator bindings to DT schema. Signed-off-by: Tero Kristo Reviewed-by: Rob Herring --- .../devicetree/bindings/rng/omap_rng.txt | 38 --------- .../devicetree/bindings/rng/ti,omap-rng.yaml | 77 +++++++++++++++++++ 2 files changed, 77 insertions(+), 38 deletions(-) delete mode 100644 Documentation/devicetree/bindings/rng/omap_rng.txt create mode 100644 Documentation/devicetree/bindings/rng/ti,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/ti,omap-rng.yaml b/Documentation/devicetree/bindings/rng/ti,omap-rng.yaml new file mode 100644 index 000000000000..b37d73295e9f --- /dev/null +++ b/Documentation/devicetree/bindings/rng/ti,omap-rng.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rng/ti,omap-rng.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: OMAP SoC and Inside-Secure HWRNG Module + +maintainers: + - Tero Kristo + +properties: + compatible: + enum: + - ti,omap2-rng + - ti,omap4-rng + - inside-secure,safexcel-eip76 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + description: + The TRNG clock source. Only mandatory for the + "inside-secure,safexcel-eip76" compatible, the second clock is needed + for the Armada 7K/8K SoCs + minItems: 1 + maxItems: 2 + + clock-names: + items: + - const: core + - const: reg + + ti,hwmods: + description: TI hwmod name + deprecated: true + $ref: /schemas/types.yaml#/definitions/string-array + items: + const: rng + +required: + - compatible + - reg + +if: + properties: + compatible: + enum: + - inside-secure,safexcel-eip76 +then: + required: + - clocks + +examples: + - | + /* AM335x */ + rng: rng@48310000 { + compatible = "ti,omap4-rng"; + ti,hwmods = "rng"; + reg = <0x48310000 0x2000>; + interrupts = <111>; + }; + + - |+ + #include + /* SafeXcel IP-76 */ + trng: rng@f2760000 { + compatible = "inside-secure,safexcel-eip76"; + reg = <0xf2760000 0x7d>; + interrupts = ; + clocks = <&cpm_syscon0 1 25>; + }; +...