Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp2095028imm; Mon, 16 Jul 2018 02:00:29 -0700 (PDT) X-Google-Smtp-Source: AAOMgpc3/26DfmemGUmts/C+S90db41Vx49y3QgflrZYnhOh9PceSdTALPuK42Bq+kOdurvy4ZvW X-Received: by 2002:a17:902:a24:: with SMTP id 33-v6mr15788492plo.88.1531731629004; Mon, 16 Jul 2018 02:00:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531731628; cv=none; d=google.com; s=arc-20160816; b=ZJUbSVcIv8DQ6hq61UwOaLb9vLWIMKdGk4EL+Ggeos6K/L95be7XpRkcF0xRFBIxWG zaAuQkUpEM1oW36RnYVoNylQcgwkMhhOMJ3IdnPrUjfis2Z/fXedSR+ogFXSg3v+uhxn 2tmhSWTnQ10CmSKl/5n1fF75B+SkY8yTUb4RkjKZuG/AZnHB/Gy1UEx+dGsPuYNHqVSS WHzK2mgGjvPhzTXubUT1ccD3qNIbXEC/byH2R6OzylY4MTaX7bXelfr0T/Xk+N6uxKC8 RRPh6FMKZ+JlEEXp7WpH2Ha3pxrmDaeE3YsEkme8RKZpG8zFh4gybXlhkKyGu00qhi5A dpcw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:message-id:date:subject:cc:from :arc-authentication-results; bh=QyWYLMnLuG7GmyS5alLj9YXfafp1mmPENfpne3zWQNo=; b=Swz2YmpukAUzM5W7r2VaY6dCm5NRWWWogdIVbBhdnL9p1dQl/lycT3+5VoKc8pDYb/ s/rnUVYoM8xAFYVA4lGfkmt9ZbtSBh8o/JTtyZ5JizTXjiey7vJxWg2TYuNrN0xk+4H2 d1p0Qw6u0seC87V1ks2ZcuwkzwYJx62yc73Ql7vfnftMVc7GpW2Uz+UfSmwjM/c8KVLP 7yR5dxk9yNOL0FoetnZRTEDrxbH/XxjXjfkFR3zS2vBVTkrEFx+AtFVNTq2aO/eIe6Nl IxqXewdPAP1OnnYaQGq8+xUa6qS7hpO50pItpabZJTa1QkocjZRk6g787//NnSuFoORW eMvA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a67-v6si30519457pla.177.2018.07.16.02.00.14; Mon, 16 Jul 2018 02:00:28 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729969AbeGPJZo (ORCPT + 99 others); Mon, 16 Jul 2018 05:25:44 -0400 Received: from relmlor4.renesas.com ([210.160.252.174]:2748 "EHLO relmlie3.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727182AbeGPJZo (ORCPT ); Mon, 16 Jul 2018 05:25:44 -0400 Received: from unknown (HELO relmlir1.idc.renesas.com) ([10.200.68.151]) by relmlie3.idc.renesas.com with ESMTP; 16 Jul 2018 17:59:18 +0900 Received: from relmlii2.idc.renesas.com (relmlii2.idc.renesas.com [10.200.68.66]) by relmlir1.idc.renesas.com (Postfix) with ESMTP id B06C678F09; Mon, 16 Jul 2018 17:59:18 +0900 (JST) X-IronPort-AV: E=Sophos;i="5.51,360,1526310000"; d="scan'208";a="286981851" Received: from unknown (HELO vbox.ree.adwin.renesas.com) ([10.226.37.67]) by relmlii2.idc.renesas.com with ESMTP; 16 Jul 2018 17:59:17 +0900 From: Phil Edworthy Cc: Geert Uytterhoeven , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Phil Edworthy Subject: [PATCH 0/2] i2c: designware: Add support for a bus clock Date: Mon, 16 Jul 2018 09:59:11 +0100 Message-Id: <1531731553-22979-1-git-send-email-phil.edworthy@renesas.com> X-Mailer: git-send-email 2.7.4 To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Synopsys I2C Controller has a bus clock, but typically SoCs hide this away. However, on some SoCs you need to explicity enable the bus clock in order to access the registers. Phil Edworthy (2): dt: snps,designware-i2c: Add clock bindings documentation i2c: designware: Add support for a bus clock Documentation/devicetree/bindings/i2c/i2c-designware.txt | 9 +++++++-- drivers/i2c/busses/i2c-designware-common.c | 14 +++++++++++++- drivers/i2c/busses/i2c-designware-core.h | 1 + drivers/i2c/busses/i2c-designware-platdrv.c | 2 ++ 4 files changed, 23 insertions(+), 3 deletions(-) -- 2.7.4