From patchwork Thu Mar 19 09:54:17 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baruch Siach X-Patchwork-Id: 6048081 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 519DA9F2A9 for ; Thu, 19 Mar 2015 09:57:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9587320353 for ; Thu, 19 Mar 2015 09:57:43 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B77F02021F for ; Thu, 19 Mar 2015 09:57:42 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YYXAv-0004yz-Dl; Thu, 19 Mar 2015 09:55:37 +0000 Received: from guitar.tcltek.co.il ([192.115.133.116] helo=mx.tkos.co.il) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YYXAn-0004Ha-Vx for linux-arm-kernel@lists.infradead.org; Thu, 19 Mar 2015 09:55:30 +0000 Received: from tarshish.tkos.co.il (unknown [10.0.8.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mx.tkos.co.il (Postfix) with ESMTPSA id E01F6440022; Thu, 19 Mar 2015 11:54:55 +0200 (IST) From: Baruch Siach To: Wolfram Sang Subject: [PATCH v2 1/2] i2c: dt binding documentation for the Digicolor I2C controller Date: Thu, 19 Mar 2015 11:54:17 +0200 Message-Id: <844001df525b3073e50cbd95f357c0eb9912a394.1426758858.git.baruch@tkos.co.il> X-Mailer: git-send-email 2.1.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150319_025530_307702_E0770764 X-CRM114-Status: GOOD ( 10.68 ) X-Spam-Score: 0.0 (/) Cc: devicetree@vger.kernel.org, Baruch Siach , linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The CX92755 is an SoC in the Conexant Digicolor series. This devicetree binding document describes the I2C controller on the CX92755 SoC, that is also shared by some other SoCs in the Digicolor series. Signed-off-by: Baruch Siach --- v2: no change --- .../devicetree/bindings/i2c/i2c-digicolor.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-digicolor.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-digicolor.txt b/Documentation/devicetree/bindings/i2c/i2c-digicolor.txt new file mode 100644 index 000000000000..457a098d4f7e --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-digicolor.txt @@ -0,0 +1,25 @@ +Conexant Digicolor I2C controller + +Required properties: + - compatible: must be "cnxt,cx92755-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). + +Example: + + i2c: i2c@f0000120 { + compatible = "cnxt,cx92755-i2c"; + reg = <0xf0000120 0x10>; + interrupts = <28>; + clocks = <&main_clk>; + clock-frequency = <100000>; + #address-cells = <1>; + #size-cells = <0>; + };