From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 233FFC33C99 for ; Wed, 8 Jan 2020 02:01:43 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D10D42081E for ; Wed, 8 Jan 2020 02:01:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WcrihZXt"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="UN/z2HQe" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D10D42081E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=jZtF1rRYbdlOY+/fWVET1sEAIkGAhw2LFjxKRC5EpzY=; b=WcrihZXtffxpce 0B/RjMRlMLnOMq+p5OFWn05DPWeStsGEjHEXMoiuMxAyjKr2Mm9S4lU6XCP/89BtCoihHgnUTE4YE mWy/GjCNbh1c6XVxsPtjia9TMBrtwx9iiOcZTmrh8A+/vQQHrYHHZWYr8em6d/IIULJo0Uhai2OGS RV5AlxF5MAu8rH52QIZbCC75wYzStW5EIIjBWX3Y9m58Twj2IMxq2X7t3jP6J6nvlI+7d0rLIO7tW fvledB44/iDT8lAdSTLHF8CN3QpytQR7xhL6Ynkf58rlngz5pqr2r1EJZq7yYtdRiYm/hNfyg/X/R 9Jo99cZt7zPGe7aR736Q==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ip0fC-0000qz-U3; Wed, 08 Jan 2020 02:01:38 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ip0eh-0000IY-QB; Wed, 08 Jan 2020 02:01:09 +0000 X-UUID: f9a8693955164c7b8d76ef12e1853d2d-20200107 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=Tn+ocDgoE7quv83eopc3270X61VLoovrwR+4z9klDjM=; b=UN/z2HQeaTRBMtzEN8N2YwZKlg2M08imkkVHjfba9dVlrUBTnaEdEcNhurpc/hwAKGZa6laqSTRPv8pQaB+Ge9SsZvmKQ16OO0lr5RrkR8r5fD8+SPpHfGM2aKFWDeTi/psFjkl+aY++3/spb3zBxr3ci81fS9x96IznyrxOR5M=; X-UUID: f9a8693955164c7b8d76ef12e1853d2d-20200107 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 422800735; Tue, 07 Jan 2020 18:01:02 -0800 Received: from MTKMBS31N1.mediatek.inc (172.27.4.69) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Tue, 7 Jan 2020 17:53:10 -0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by MTKMBS31N1.mediatek.inc (172.27.4.69) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 8 Jan 2020 09:51:57 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 8 Jan 2020 09:53:07 +0800 From: Chunfeng Yun To: Kishon Vijay Abraham I Subject: [RESEND PATCH v5 10/11] phy: phy-mtk-tphy: add a new reference clock Date: Wed, 8 Jan 2020 09:52:05 +0800 Message-ID: <1578448326-27455-10-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1578448326-27455-1-git-send-email-chunfeng.yun@mediatek.com> References: <1578448326-27455-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: 394569979869DFA0C5D2DE7AD80DFBA25B01A84F9741918F098C6E7299E92AFF2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200107_180107_855497_2545AF42 X-CRM114-Status: GOOD ( 13.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Chunfeng Yun , Rob Herring , linux-mediatek@lists.infradead.org, Matthias Brugger , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Usually the digital and analog phys use the same reference clock, but some platforms have two separate reference clocks for each of them, so add another optional clock to support them. In order to keep the clock names consistent with PHY IP's, change the da_ref for analog phy and ref clock for digital phy. Signed-off-by: Chunfeng Yun --- v3~v5: no changes v2: fix typo of analog --- drivers/phy/mediatek/phy-mtk-tphy.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c index c6424fd2a06d..cdbcc49f7115 100644 --- a/drivers/phy/mediatek/phy-mtk-tphy.c +++ b/drivers/phy/mediatek/phy-mtk-tphy.c @@ -298,7 +298,8 @@ struct mtk_phy_instance { struct u2phy_banks u2_banks; struct u3phy_banks u3_banks; }; - struct clk *ref_clk; /* reference clock of anolog phy */ + struct clk *ref_clk; /* reference clock of (digital) phy */ + struct clk *da_ref_clk; /* reference clock of analog phy */ u32 index; u8 type; int eye_src; @@ -925,6 +926,13 @@ static int mtk_phy_init(struct phy *phy) return ret; } + ret = clk_prepare_enable(instance->da_ref_clk); + if (ret) { + dev_err(tphy->dev, "failed to enable da_ref\n"); + clk_disable_unprepare(instance->ref_clk); + return ret; + } + switch (instance->type) { case PHY_TYPE_USB2: u2_phy_instance_init(tphy, instance); @@ -984,6 +992,7 @@ static int mtk_phy_exit(struct phy *phy) u2_phy_instance_exit(tphy, instance); clk_disable_unprepare(instance->ref_clk); + clk_disable_unprepare(instance->da_ref_clk); return 0; } @@ -1170,6 +1179,14 @@ static int mtk_tphy_probe(struct platform_device *pdev) retval = PTR_ERR(instance->ref_clk); goto put_child; } + + instance->da_ref_clk = + devm_clk_get_optional(&phy->dev, "da_ref"); + if (IS_ERR(instance->da_ref_clk)) { + dev_err(dev, "failed to get da_ref_clk(id-%d)\n", port); + retval = PTR_ERR(instance->da_ref_clk); + goto put_child; + } } provider = devm_of_phy_provider_register(dev, mtk_phy_xlate); -- 2.24.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel