From patchwork Thu Aug 28 06:54:46 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 4794521 Return-Path: X-Original-To: patchwork-ltsi-dev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 8DE39C0338 for ; Thu, 28 Aug 2014 07:31:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 84F242015A for ; Thu, 28 Aug 2014 07:31:44 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 3A0E920109 for ; Thu, 28 Aug 2014 07:31:43 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 3F9CCDD2; Thu, 28 Aug 2014 07:20:20 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id A1263BF7 for ; Thu, 28 Aug 2014 07:20:18 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from kirsty.vergenet.net (kirsty.vergenet.net [202.4.237.240]) by smtp1.linuxfoundation.org (Postfix) with ESMTP id 441E81F9D0 for ; Thu, 28 Aug 2014 07:20:17 +0000 (UTC) Received: from ayumi.isobedori.kobe.vergenet.net (p4222-ipbfp1605kobeminato.hyogo.ocn.ne.jp [114.154.95.222]) by kirsty.vergenet.net (Postfix) with ESMTP id 249E12671E6; Thu, 28 Aug 2014 17:07:50 +1000 (EST) Received: by ayumi.isobedori.kobe.vergenet.net (Postfix, from userid 7100) id A6B06EDE8E2; Thu, 28 Aug 2014 16:07:48 +0900 (JST) From: Simon Horman To: ltsi-dev@lists.linuxfoundation.org Date: Thu, 28 Aug 2014 15:54:46 +0900 Message-Id: <1409209620-24487-161-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 2.0.1 In-Reply-To: <1409209620-24487-1-git-send-email-horms+renesas@verge.net.au> References: <1409209620-24487-1-git-send-email-horms+renesas@verge.net.au> X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 Cc: Magnus Damm Subject: [LTSI-dev] [PATCH LTSI-3.14 160/894] i2c: rcar: add compatible entry for r8a7791 X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Wolfram Sang While we are here, also brush up the devicetree binding documentation. The example was an inappropriate copy from the sh_mobile driver. Signed-off-by: Wolfram Sang Signed-off-by: Wolfram Sang (cherry picked from commit e89364556824cc7a947f99173af842217074c099) Signed-off-by: Simon Horman --- Documentation/devicetree/bindings/i2c/i2c-rcar.txt | 14 ++++++++++---- drivers/i2c/busses/i2c-rcar.c | 1 + 2 files changed, 11 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt b/Documentation/devicetree/bindings/i2c/i2c-rcar.txt index 897cfcd5..dd8b2dd 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt +++ b/Documentation/devicetree/bindings/i2c/i2c-rcar.txt @@ -6,6 +6,7 @@ Required properties: "renesas,i2c-r8a7778" "renesas,i2c-r8a7779" "renesas,i2c-r8a7790" + "renesas,i2c-r8a7791" - reg: physical base address of the controller and length of memory mapped region. - interrupts: interrupt specifier. @@ -13,11 +14,16 @@ Required properties: Optional properties: - clock-frequency: desired I2C bus clock frequency in Hz. The absence of this propoerty indicates the default frequency 100 kHz. +- clocks: clock specifier. Examples : -i2c0: i2c@e6500000 { - compatible = "renesas,i2c-rcar-h2"; - reg = <0 0xe6500000 0 0x428>; - interrupts = <0 174 0x4>; +i2c0: i2c@e6508000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "renesas,i2c-r8a7791"; + reg = <0 0xe6508000 0 0x40>; + interrupts = <0 287 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp9_clks R8A7791_CLK_I2C0>; + clock-frequency = <400000>; }; diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index d3c5d62..233812c 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -645,6 +645,7 @@ static const struct of_device_id rcar_i2c_dt_ids[] = { { .compatible = "renesas,i2c-r8a7778", .data = (void *)I2C_RCAR_GEN1 }, { .compatible = "renesas,i2c-r8a7779", .data = (void *)I2C_RCAR_GEN1 }, { .compatible = "renesas,i2c-r8a7790", .data = (void *)I2C_RCAR_GEN2 }, + { .compatible = "renesas,i2c-r8a7791", .data = (void *)I2C_RCAR_GEN2 }, {}, }; MODULE_DEVICE_TABLE(of, rcar_i2c_dt_ids);