From patchwork Fri May 22 11:33:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tali Perry X-Patchwork-Id: 207584 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=-9.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT 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 EC214C433E2 for ; Fri, 22 May 2020 11:35:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D6E7C20723 for ; Fri, 22 May 2020 11:35:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729365AbgEVLfP (ORCPT ); Fri, 22 May 2020 07:35:15 -0400 Received: from 212.199.177.27.static.012.net.il ([212.199.177.27]:49393 "EHLO herzl.nuvoton.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729090AbgEVLfP (ORCPT ); Fri, 22 May 2020 07:35:15 -0400 Received: from taln60.nuvoton.co.il (ntil-fw [212.199.177.25]) by herzl.nuvoton.co.il (8.13.8/8.13.8) with ESMTP id 04MBXMSl015024; Fri, 22 May 2020 14:33:22 +0300 Received: by taln60.nuvoton.co.il (Postfix, from userid 20088) id 676E4639C1; Fri, 22 May 2020 14:33:22 +0300 (IDT) From: Tali Perry To: ofery@google.com, brendanhiggins@google.com, avifishman70@gmail.com, tmaimon77@gmail.com, kfting@nuvoton.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, robh+dt@kernel.org, wsa@the-dreams.de, andriy.shevchenko@linux.intel.com Cc: linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, openbmc@lists.ozlabs.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Tali Perry Subject: [PATCH v13 1/3] dt-bindings: i2c: npcm7xx: add NPCM I2C controller Date: Fri, 22 May 2020 14:33:10 +0300 Message-Id: <20200522113312.181413-2-tali.perry1@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200522113312.181413-1-tali.perry1@gmail.com> References: <20200522113312.181413-1-tali.perry1@gmail.com> MIME-Version: 1.0 Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org Added device tree binding documentation for Nuvoton BMC NPCM I2C controller. Signed-off-by: Tali Perry --- .../bindings/i2c/nuvoton,npcm7xx-i2c.yaml | 60 +++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml new file mode 100644 index 000000000000..1c9d9a2d4bcd --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/nuvoton,npcm7xx-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: nuvoton NPCM7XX I2C Controller Device Tree Bindings + +description: | + The NPCM750x includes sixteen I2C bus controllers. All Controllers support + both master and slave mode. Each controller can switch between master and slave + at run time (i.e. IPMB mode). Each controller has two 16 byte HW FIFO for TX and + RX. + +maintainers: + - Tali Perry + +properties: + compatible: + enum: + - nuvoton,npcm7xx-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + description: Reference clock for the I2C bus + + bus-frequency: + description: Desired I2C bus clock frequency in Hz. If not specified, + the default 100 kHz frequency will be used. + possible values are 100000, 400000 and 1000000. + default: 100000 + enum: [100000, 400000, 1000000] + +required: + - compatible + - reg + - interrupts + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +unevaluatedProperties: false + +examples: + - | + i2c0: i2c@80000 { + compatible = "nuvoton,npcm750-i2c"; + reg = <0x80000 0x1000>; + clocks = <&clk NPCM7XX_CLK_APB2>; + bus-frequency = <100000>; + interrupts = ; + }; + +...