From patchwork Sun May 10 09:50:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Serge Semin X-Patchwork-Id: 11539115 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 746FD912 for ; Sun, 10 May 2020 09:50:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6659E20820 for ; Sun, 10 May 2020 09:50:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727887AbgEJJuh (ORCPT ); Sun, 10 May 2020 05:50:37 -0400 Received: from mail.baikalelectronics.com ([87.245.175.226]:45924 "EHLO mail.baikalelectronics.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726863AbgEJJuh (ORCPT ); Sun, 10 May 2020 05:50:37 -0400 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id 0EF0B803078D; Sun, 10 May 2020 09:50:35 +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 gyDqogqbM8Ej; Sun, 10 May 2020 12:50:34 +0300 (MSK) From: Serge Semin To: Jarkko Nikula , Rob Herring CC: Serge Semin , Serge Semin , Alexey Malahov , Thomas Bogendoerfer , Paul Burton , Ralf Baechle , Andy Shevchenko , Mika Westerberg , Wolfram Sang , Frank Rowand , , , , Subject: [PATCH v2 03/12] dt-bindings: i2c: dw: Add Baikal-T1 SoC I2C controller Date: Sun, 10 May 2020 12:50:09 +0300 Message-ID: <20200510095019.20981-4-Sergey.Semin@baikalelectronics.ru> In-Reply-To: <20200510095019.20981-1-Sergey.Semin@baikalelectronics.ru> References: <20200306132001.1B875803087C@mail.baikalelectronics.ru> <20200510095019.20981-1-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 and make sure the reg property isn't required in this case because the controller is embedded into the Baikal-T1 System Controller. The rest of the DW APB I2C properties are compatible and can be freely used to describe the Baikal-T1 I2C controller dts-node. Signed-off-by: Serge Semin Cc: Alexey Malahov Cc: Thomas Bogendoerfer Cc: Paul Burton Cc: Ralf Baechle Cc: Andy Shevchenko Cc: Mika Westerberg Cc: Wolfram Sang Cc: Frank Rowand Cc: linux-mips@vger.kernel.org --- Rob, I had to remove your acked-by tag because of the changes introduced in v2 of the patch. Changelog v2: - Make the reg property being optional if it's Baikal-T1 System I2C DT node. --- .../devicetree/bindings/i2c/snps,designware-i2c.yaml | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml index 8d4e5fccbd1c..579964098eb9 100644 --- a/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/snps,designware-i2c.yaml @@ -21,6 +21,15 @@ allOf: properties: reg: maxItems: 1 + - if: + properties: + compatible: + not: + contains: + const: baikal,bt1-sys-i2c + then: + required: + - reg properties: compatible: @@ -31,6 +40,8 @@ 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 @@ -98,7 +109,6 @@ unevaluatedProperties: false required: - compatible - - reg - "#address-cells" - "#size-cells" - interrupts