Received: by 2002:ac0:a679:0:0:0:0:0 with SMTP id p54csp577942imp; Wed, 20 Feb 2019 05:29:54 -0800 (PST) X-Google-Smtp-Source: AHgI3IZosUEMSjRWFKNZftzA++Pym6K8Fko5GcQ8hq1t26rExkfm1j1ivB7nVsgZu80K4eoUVkSr X-Received: by 2002:a17:902:7787:: with SMTP id o7mr17728050pll.334.1550669394374; Wed, 20 Feb 2019 05:29:54 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1550669394; cv=none; d=google.com; s=arc-20160816; b=x3T9Ty2RHA1AxKfOUmmmPCz7s3/dRckS9J9Nt75vXKdRVfnBzm3VyBFCuKigpC8HNR +gm2xF0yxhcoGJp2N0Z0gYthd9uVeWsXlhdCG0FCYKlegc1dEBLSOagO+vnuAuLNHtEu 64gxYPtQDgl/rnt9spTiD1Mk8+MFqjs/HsPC977X1A/zk4zesr77yxcQl6HJM5+bYnci AaTozEOCyFq4lmMUIQAAw0zX7bIkTyByLc0bytypCT1gimyZ+zK3CbVstG+bpa9XcUUk ozxm8DRRVMRyOEAjLbHw08rJ8p9P6U1XAtAJ4QqoOMCmqCyXNlIvOGE0MuFSC4+hthVR pCOw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from; bh=ibM46WR0S4u3Ajj0ErpCuF2XGU1SMppdp9oqWKCdrDU=; b=fq6J50LfMviXFoLG038Q+FM5ECDfFOiy7ay61SCQ736sAyfdgQ6z+6MPKPw+B/c/Xs /3o1lNmvUvy3dha8w6uc0XeJ1e5O2L4TYGC4nhJEzmABGsqRP455iBNb8YdF2kshBtfT GxyS+AhL30hkzr1RGxzv1kdlCGatYflYKYhZpU1vcJY2iaFEWI1M6+w1Eq3IRTytw4YK LvadhWz1uzIky/Kmp8ULDM9DC7egvEW5IYVaqtZu9rTXAZkPR/KDm65bW/+zEqHG9a4U D/6AzVdgtz/DbER4Ss8KIl75AbypIH6/vM2EHf5W9dw9eyedSfkZWcAAxghWZU8dc2qG NEBg== 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 t71si4923942pgd.550.2019.02.20.05.29.38; Wed, 20 Feb 2019 05:29:54 -0800 (PST) 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 S1728156AbfBTN1f (ORCPT + 99 others); Wed, 20 Feb 2019 08:27:35 -0500 Received: from relmlor1.renesas.com ([210.160.252.171]:47262 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725836AbfBTN1f (ORCPT ); Wed, 20 Feb 2019 08:27:35 -0500 X-IronPort-AV: E=Sophos;i="5.58,391,1544454000"; d="scan'208";a="8389304" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 20 Feb 2019 22:27:33 +0900 Received: from renesas-VirtualBox.ree.adwin.renesas.com (unknown [10.226.37.56]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 5E4B040C46FE; Wed, 20 Feb 2019 22:27:30 +0900 (JST) From: Gareth Williams To: Rob Herring , Mark Rutland , Alexandre Belloni , Wolfram Sang , Jarkko Nikula , Andy Shevchenko , Mika Westerberg Cc: Gareth Williams , devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 0/2] i2c: designware: Add support for a bus clock Date: Wed, 20 Feb 2019 13:25:46 +0000 Message-Id: <1550669148-6027-1-git-send-email-gareth.williams.jx@renesas.com> X-Mailer: git-send-email 2.7.4 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 that some SoCs require to access the registers. This series also details the new clock property in the bindings documentation. v3: - busclk renamed to pclk. - Added comment with dw_i2c_dev struct definition describing pclk. - Added enable rollback of first clock if second fails to enable. - Changed clocks and clock-names sections to use term "peripheral clock" (pclk) instead of "bus clock" (busclk) in dt-bindings documentation. v2: - Use new devm_clk_get_optional() function as it simplifies handling when the optional clock is not present. Phil Edworthy (2): dt: snps,designware-i2c: Add clock bindings documentation i2c: designware: Add support for a bus clock .../devicetree/bindings/i2c/i2c-designware.txt | 9 +++++++++ drivers/i2c/busses/i2c-designware-common.c | 18 ++++++++++++++++-- drivers/i2c/busses/i2c-designware-core.h | 2 ++ drivers/i2c/busses/i2c-designware-platdrv.c | 5 +++++ 4 files changed, 32 insertions(+), 2 deletions(-) -- 2.7.4