From patchwork Wed May 27 15:30:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 11573183 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 AD14B913 for ; Wed, 27 May 2020 15:30:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9541120C56 for ; Wed, 27 May 2020 15:30:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389651AbgE0Pax (ORCPT ); Wed, 27 May 2020 11:30:53 -0400 Received: from mail.baikalelectronics.com ([87.245.175.226]:36682 "EHLO mail.baikalelectronics.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389607AbgE0Pax (ORCPT ); Wed, 27 May 2020 11:30:53 -0400 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id B286F8030838; Wed, 27 May 2020 15:30:50 +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 OtQSNuH7tkOo; Wed, 27 May 2020 18:30:50 +0300 (MSK) From: Serge Semin To: Jarkko Nikula , Wolfram Sang , Rob Herring CC: Serge Semin , Serge Semin , Alexey Malahov , Thomas Bogendoerfer , Andy Shevchenko , Mika Westerberg , , , , Subject: [PATCH v5 03/11] dt-bindings: i2c: dw: Add Baikal-T1 SoC I2C controller Date: Wed, 27 May 2020 18:30:38 +0300 Message-ID: <20200527153046.6172-4-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20200527153046.6172-1-Sergey.Semin@baikalelectronics.ru> References: <20200527153046.6172-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Add the "baikal,bt1-sys-i2c" compatible string to the DW I2C binding. Even though the corresponding node is supposed to be a child of the Baikal-T1 System Controller, its reg property is left required for compatibility. Signed-off-by: Serge Semin Cc: Alexey Malahov Cc: Thomas Bogendoerfer Cc: Andy Shevchenko Cc: Mika Westerberg Cc: linux-mips@vger.kernel.org --- Changelog v2: - Make the reg property being optional if it's Baikal-T1 System I2C DT node. Changelog v3: - Get back the reg property being mandatory even if it's Baikal-T1 System I2C DT node. Rob says it has to be in the DT node if there is a dedicated registers range in the System Controller registers space. --- Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml index 101d78e8f19d..8c9b3db1b1b8 100644 --- a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml @@ -31,6 +31,8 @@ properties: items: - const: mscc,ocelot-i2c - const: snps,designware-i2c + - description: Baikal-T1 SoC System I2C controller + const: baikal,bt1-sys-i2c reg: minItems: 1