From patchwork Wed May 15 07:53:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peng Fan X-Patchwork-Id: 1099881 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nxp.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=nxp.com header.i=@nxp.com header.b="W+pee1OO"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 453myK0mkrz9s00 for ; Wed, 15 May 2019 17:53:29 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726218AbfEOHx2 (ORCPT ); Wed, 15 May 2019 03:53:28 -0400 Received: from mail-eopbgr10046.outbound.protection.outlook.com ([40.107.1.46]:7687 "EHLO EUR02-HE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725876AbfEOHx2 (ORCPT ); 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DIR:OUT; SFP:1101; SCL:1; SRVR:AM0PR04MB6067; H:AM0PR04MB4481.eurprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: w6bKufeR6+K0D6i2I1oAKqmSy/xLyy8FMRHcnyTLIU4nuBKf25/Mo1hmr1+NgXppJRuMd6p7TABpqpVHRHPovOe11PgRCZMgTNjsKQCTqmSIXWPsmKcvhtHyfpkiF4IcqZwQp6RiMH+NB9ZuzWhS2jjaPciKMk5+OodkhHnVprwVgs4NEl9BpVPPALg3+Vylh2e7N+4aUOfU71qshwjvKuUM33Z1fVMUCg5aSAlZr3zff8rM9EtSJX7+ul5/3fpRO9g3G1wmkQIPXqngIaJIMIW0JYUm8mmBUk6m4Rwmvo5ChffKgDNannyqeoWbvUAni7iaw4woYS5BhAwayULs7PcV8UxeIhKQquCAcvtOHbDZlUd6/x270ogcrivxKRIWlRHt19i2Xhqsw4Q0ozuUO9c9+MpS2gKnqzkK+yNKJss= MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: aa01d7c9-d6e8-4a8e-a117-08d6d90a67bd X-MS-Exchange-CrossTenant-originalarrivaltime: 15 May 2019 07:53:23.6213 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB6067 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org NXP i.MX8QXP is an ARMv8 SoC with a Cortex-M4 core inside as system controller(SCU), the ocotp controller is being controlled by the SCU, so Linux need use RPC to SCU for ocotp handling. This patch adds binding doc for i.MX8 SCU OCOTP driver. Cc: Mark Rutland Cc: Shawn Guo Cc: Ulf Hansson Cc: Stephen Boyd Cc: Anson Huang Cc: devicetree@vger.kernel.org Reviewed-by: Rob Herring Reviewed-by: Dong Aisheng Signed-off-by: Peng Fan --- V3: Add R-b tag V2: Move OCOTP to end, add example, add "scu" .../devicetree/bindings/arm/freescale/fsl,scu.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt index 5d7dbabbb784..f378922906f6 100644 --- a/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt +++ b/Documentation/devicetree/bindings/arm/freescale/fsl,scu.txt @@ -133,6 +133,18 @@ RTC bindings based on SCU Message Protocol Required properties: - compatible: should be "fsl,imx8qxp-sc-rtc"; +OCOTP bindings based on SCU Message Protocol +------------------------------------------------------------ +Required properties: +- compatible: Should be "fsl,imx8qxp-scu-ocotp" +- #address-cells: Must be 1. Contains byte index +- #size-cells: Must be 1. Contains byte length + +Optional Child nodes: + +- Data cells of ocotp: + Detailed bindings are described in bindings/nvmem/nvmem.txt + Example (imx8qxp): ------------- aliases { @@ -177,6 +189,16 @@ firmware { ... }; + ocotp: imx8qx-ocotp { + compatible = "fsl,imx8qxp-scu-ocotp"; + #address-cells = <1>; + #size-cells = <1>; + + fec_mac0: mac@2c4 { + reg = <0x2c4 8>; + }; + }; + pd: imx8qx-pd { compatible = "fsl,imx8qxp-scu-pd", "fsl,scu-pd"; #power-domain-cells = <1>;