From patchwork Tue May 26 13:51:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 200039 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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS 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 AB77BC433E2 for ; Tue, 26 May 2020 13:51:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E8892084C for ; Tue, 26 May 2020 13:51:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731373AbgEZNvL (ORCPT ); Tue, 26 May 2020 09:51:11 -0400 Received: from mail.baikalelectronics.com ([87.245.175.226]:57760 "EHLO mail.baikalelectronics.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729400AbgEZNvL (ORCPT ); Tue, 26 May 2020 09:51:11 -0400 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id 468CD803086E; Tue, 26 May 2020 13:51:08 +0000 (UTC) X-Virus-Scanned: amavisd-new at baikalelectronics.ru Received: from mail.baikalelectronics.ru ([127.0.0.1]) by localhost (mail.baikalelectronics.ru [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 36kKExf0ojJW; Tue, 26 May 2020 16:51:07 +0300 (MSK) From: Serge Semin To: Sebastian Reichel , Rob Herring CC: Serge Semin , Serge Semin , Rob Herring , Alexey Malahov , Thomas Bogendoerfer , Arnd Bergmann , , , , Subject: [PATCH v3 1/2] dt-bindings: power: reset: Unrequire regmap property in syscon-reboot node Date: Tue, 26 May 2020 16:51:00 +0300 Message-ID: <20200526135102.21236-2-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20200526135102.21236-1-Sergey.Semin@baikalelectronics.ru> References: <20200526135102.21236-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Since normally syscon-reboot block is supposed to be a part of a system controller, lets mark the regmap property as deprecated and recommend the syscon-reboot node to be a sub-node of SYSCON. Signed-off-by: Serge Semin Reviewed-by: Rob Herring Cc: Alexey Malahov Cc: Thomas Bogendoerfer Cc: Arnd Bergmann Cc: linux-mips@vger.kernel.org --- Changelog v2: - This is a new patch created as a result of the discussion: https://lore.kernel.org/linux-pm/20200306130402.1F4F0803079F@mail.baikalelectronics.ru/ --- .../bindings/power/reset/syscon-reboot.yaml | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml index b80772cb9f06..da2509724812 100644 --- a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml +++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml @@ -12,9 +12,12 @@ maintainers: description: |+ This is a generic reset driver using syscon to map the reset register. The reset is generally performed with a write to the reset register - defined by the register map pointed by syscon reference plus the offset - with the value and mask defined in the reboot node. - Default will be little endian mode, 32 bit access only. + defined by the SYSCON register map base plus the offset with the value and + mask defined in the reboot node. Default will be little endian mode, 32 bit + access only. The SYSCON registers map is normally retrieved from the + parental dt-node. So the SYSCON reboot node should be represented as a + sub-node of a "syscon", "simple-mfd" node. Though the regmap property + pointing to the system controller node is also supported. properties: compatible: @@ -30,7 +33,10 @@ properties: regmap: $ref: /schemas/types.yaml#/definitions/phandle - description: Phandle to the register map node. + deprecated: true + description: | + Phandle to the register map node. This property is deprecated in favor of + the syscon-reboot node been a child of a system controller node. value: $ref: /schemas/types.yaml#/definitions/uint32 @@ -38,7 +44,6 @@ properties: required: - compatible - - regmap - offset additionalProperties: false