From patchwork Mon Sep 19 21:34:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Asmaa Mnebhi X-Patchwork-Id: 607827 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8409BECAAA1 for ; Mon, 19 Sep 2022 21:35:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230077AbiISVfN (ORCPT ); Mon, 19 Sep 2022 17:35:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44486 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230015AbiISVez (ORCPT ); Mon, 19 Sep 2022 17:34:55 -0400 Received: from mellanox.co.il (mail-il-dmz.mellanox.com [193.47.165.129]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 3E4A765D7 for ; Mon, 19 Sep 2022 14:34:46 -0700 (PDT) Received: from Internal Mail-Server by MTLPINE1 (envelope-from asmaa@mellanox.com) with SMTP; 20 Sep 2022 00:34:40 +0300 Received: from bu-vnc02.mtbu.labs.mlnx (bu-vnc02.mtbu.labs.mlnx [10.15.2.65]) by mtbu-labmailer.labs.mlnx (8.14.4/8.14.4) with ESMTP id 28JLYdWq023082; Mon, 19 Sep 2022 17:34:39 -0400 Received: (from asmaa@localhost) by bu-vnc02.mtbu.labs.mlnx (8.14.7/8.13.8/Submit) id 28JLYdQw008208; Mon, 19 Sep 2022 17:34:39 -0400 From: Asmaa Mnebhi To: Wolfram Sang , robh@kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Asmaa Mnebhi , Khalil Blaiech Subject: [PATCH v4 8/8] i2c: i2c-mlxbf.c: Update binding devicetree Date: Mon, 19 Sep 2022 17:34:31 -0400 Message-Id: <20220919213431.8045-9-asmaa@nvidia.com> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20220919213431.8045-1-asmaa@nvidia.com> References: <20220919213431.8045-1-asmaa@nvidia.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org In the latest version of the i2c-mlxbf.c driver, the "Smbus block" resource was broken down to 3 separate resources "Smbus timer", "Smbus master" and "Smbus slave" to accommodate for BlueField-3 SoC registers' changes. Reviewed-by: Khalil Blaiech Signed-off-by: Asmaa Mnebhi --- .../bindings/i2c/mellanox,i2c-mlxbf.yaml | 49 ++++++++++++++----- 1 file changed, 37 insertions(+), 12 deletions(-) diff --git a/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml b/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml index 93198d5d43a6..12dbe7e7967e 100644 --- a/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml +++ b/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml @@ -8,6 +8,7 @@ title: Mellanox I2C SMBus on BlueField SoCs maintainers: - Khalil Blaiech + - Asmaa Mnebhi allOf: - $ref: /schemas/i2c/i2c-controller.yaml# @@ -17,14 +18,19 @@ properties: enum: - mellanox,i2c-mlxbf1 - mellanox,i2c-mlxbf2 + - mellanox,i2c-mlxbf3 reg: minItems: 3 + maxItems: 6 items: - description: Smbus block registers - description: Cause master registers - description: Cause slave registers - description: Cause coalesce registers + - description: Smbus timer registers + - description: Smbus master registers + - description: Smbus slave registers interrupts: maxItems: 1 @@ -35,6 +41,13 @@ properties: bus frequency used to configure timing registers; The frequency is expressed in Hz. Default is 100000. + resource_version: + enum: [ 0, 1 ] + description: + Version of the device tree. resource_version = 0 when the driver uses + Smbus block resource. resource_version = 1 when the driver uses Smbus + timer, Smbus master and Smbus slave resources. + required: - compatible - reg @@ -42,18 +55,6 @@ required: unevaluatedProperties: false -if: - properties: - compatible: - contains: - enum: - - mellanox,i2c-mlxbf1 - -then: - properties: - reg: - maxItems: 3 - examples: - | i2c@2804000 { @@ -61,8 +62,13 @@ examples: reg = <0x02804000 0x800>, <0x02801200 0x020>, <0x02801260 0x020>; + <0x00000001 0x1>; + <0x02804000 0x40>, + <0x02804200 0x200>, + <0x02804400 0x200>, interrupts = <57>; clock-frequency = <100000>; + resource_version = <1>; }; - | @@ -72,6 +78,25 @@ examples: <0x02808e00 0x020>, <0x02808e20 0x020>, <0x02808e40 0x010>; + <0x02808800 0x040>; + <0x02808a00 0x200>, + <0x02808c00 0x200>, interrupts = <57>; clock-frequency = <400000>; + resource_version = <1>; + }; + + - | + i2c@2808800 { + compatible = "mellanox,i2c-mlxbf3"; + reg = <0x00000001 0x1>, + <0x13404400 0x020>, + <0x13404420 0x020>, + <0x13404440 0x010>; + <0x13404480 0x40>, + <0x13404200 0x200>, + <0x13404000 0x200>, + interrupts = <35>; + clock-frequency = <400000>; + resource_version = <1>; };