From patchwork Sun Oct 5 20:17:12 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Beniamino Galvani X-Patchwork-Id: 396700 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 65C8214016A for ; Mon, 6 Oct 2014 07:19:51 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751855AbaJEUTt (ORCPT ); Sun, 5 Oct 2014 16:19:49 -0400 Received: from mail-wi0-f182.google.com ([209.85.212.182]:63720 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751904AbaJEUTb (ORCPT ); Sun, 5 Oct 2014 16:19:31 -0400 Received: by mail-wi0-f182.google.com with SMTP id n3so2868468wiv.3 for ; Sun, 05 Oct 2014 13:19:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=1oI85OrfE3Q4FhDDPVoJ9Ty0FZVB1QfOfaUtN1PsXls=; b=D/lKP5rz65C5JbHlXUfFMIfopS8Bk2hXf3gjmwm8P8QFF2fTyRqg/iRQOpQRLQepUt veoJWzJWll5WufWF0S0fDHAh031bJJha6uDdKib4SO9ykr3E5436tG6wAlLD/QmDMMm5 /IEKHHz0UbMRijtC6LFYtOYSM3hqWshb/eQTAauRI/H5Qbv9gjB9kSzxGVtTZ1T/AKLI drONOOpfO5jSQzSgJ1UIzUF8GZbytYMWymJu7XzUUtd2rYWjrWzSmdClX5fqdVkbKw50 exg3JDReb+ipSbUZCdHwHoVaFeC8Rxa3u/EuB6+h49xSs0yStrOSt3zMkhUiya73BYoH TLgQ== X-Received: by 10.194.78.238 with SMTP id e14mr23868417wjx.48.1412540369047; Sun, 05 Oct 2014 13:19:29 -0700 (PDT) Received: from sark.local (host207-98-dynamic.16-79-r.retail.telecomitalia.it. [79.16.98.207]) by mx.google.com with ESMTPSA id q3sm9015687wia.14.2014.10.05.13.19.26 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 05 Oct 2014 13:19:28 -0700 (PDT) From: Beniamino Galvani To: Wolfram Sang Cc: Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Grant Likely , Carlo Caione , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Jerry Cao , Victor Wan , Beniamino Galvani Subject: [PATCH v2 2/2] i2c: meson: add device tree bindings documentation Date: Sun, 5 Oct 2014 22:17:12 +0200 Message-Id: <1412540232-26168-3-git-send-email-b.galvani@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1412540232-26168-1-git-send-email-b.galvani@gmail.com> References: <1412540232-26168-1-git-send-email-b.galvani@gmail.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This commit adds device tree bindings documentation for the I2C bus controller found on Amlogic Meson SoCs. Signed-off-by: Beniamino Galvani --- .../devicetree/bindings/i2c/i2c-meson.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-meson.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-meson.txt b/Documentation/devicetree/bindings/i2c/i2c-meson.txt new file mode 100644 index 0000000..682f9a6 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-meson.txt @@ -0,0 +1,24 @@ +Amlogic Meson I2C controller + +Required properties: + - compatible: must be "amlogic,meson6-i2c" + - reg: physical address and length of the device registers + - interrupts: a single interrupt specifier + - clocks: clock for the device + - #address-cells: should be <1> + - #size-cells: should be <0> + +Optional properties: +- clock-frequency: the desired I2C bus clock frequency in Hz; in + absence of this property the default value is used (100 kHz). + +Examples: + + i2c@c8100500 { + compatible = "amlogic,meson6-i2c"; + reg = <0xc8100500 0x20>; + interrupts = <0 92 1>; + clocks = <&clk81>; + #address-cells = <1>; + #size-cells = <0>; + };