From patchwork Tue Dec 8 00:46:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 11957315 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 19ECAC4167B for ; Tue, 8 Dec 2020 00:47:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CFCE423A1C for ; Tue, 8 Dec 2020 00:47:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728840AbgLHArr (ORCPT ); Mon, 7 Dec 2020 19:47:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728838AbgLHArr (ORCPT ); Mon, 7 Dec 2020 19:47:47 -0500 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8EA44C0611CA for ; Mon, 7 Dec 2020 16:46:23 -0800 (PST) Received: by mail-lj1-x241.google.com with SMTP id x23so10124985lji.7 for ; Mon, 07 Dec 2020 16:46:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=NWy8EXHdxkf0XTbmE1PCRNTwXozVSEc9y+L8i0BKYwI=; b=kRfk733PMibuoevBe+zrIfiyJ8guY2Fi01JrvwEF7slv4QqB5WC9oq29RLXEg0x/c8 b0kr6Z0lB84v/9LhaY0JXC4y4JajuD2XJGpcGKUCCjk/K+Vws3zZ5cv8Aqf6/8Qh5oD5 VAc6vccjEH1mmUsFG2iKi1WtG9dq3WxDcvGdLxiOQQ4pR1Cnm3J9B8H070mzPMtSkzSX VeJAVdyNhVHKNCAmNiN6i54jhcaTzcJIitcCUSexwaIZeE0o3SFm7WXvyx6dipC6x84J /U18SS2qHpnZEOH9CxXL1ZCBVf9VCJg74SyLDE3escp2+3JKr+iB98Q9Q9iW0nS69o2B LhZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=NWy8EXHdxkf0XTbmE1PCRNTwXozVSEc9y+L8i0BKYwI=; b=cpvN9u9NE+NFVOtGdOSJp16zjolZLiDaGsWlMFsY95FGisEHStnYUAE2EMFLhPXpc7 WjCbmkHYjk7pnMWiEzK/Kqg0cRQSsGC6KUMCYMQn16s0DG8+tAadkT8D0zy0H1f5Bgh5 0DKqCwvQZqD2unfanZX5qJW5o3K+12WP2NMVkkxwbaoYotlVV34iXl9lhMiBPDW2Ijiw dBOS7vXgDNZWF2jyJhIbTIKdHtsHqj5aLgXi+sbwPXMtohH1xSuIIduuH3yGm2Tz9v6S AuxSoPegehjyPn2pTqCVFYBTW86PMOUuX95MCOiv/celNHYa6pLEDcN4uvr8WWV/82wr DgDw== X-Gm-Message-State: AOAM533q6z3ylbhT+spAN/2y9kl8ZDwHKabuvBsHk7zCWNMPbBR9Tda+ liKpTbAMt79HM+7qL5vQ1q5kyA== X-Google-Smtp-Source: ABdhPJxL9WoAbggz33zRUk9/WOmUW+eM3LO9RBNrExz635O8Tg6HFh9Vdd+kLYv/LgHL5cD92Z1tPw== X-Received: by 2002:a2e:5015:: with SMTP id e21mr2020881ljb.433.1607388382105; Mon, 07 Dec 2020 16:46:22 -0800 (PST) Received: from eriador.lumag.spb.ru ([94.25.229.141]) by smtp.gmail.com with ESMTPSA id d3sm3028229lfj.206.2020.12.07.16.46.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Dec 2020 16:46:21 -0800 (PST) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Bjorn Helgaas , Rob Herring , Stanimir Varbanov , Lorenzo Pieralisi , Manivannan Sadhasivam Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH 2/3] PCI: qcom: add support for ddrss_sf_tbu clock Date: Tue, 8 Dec 2020 03:46:12 +0300 Message-Id: <20201208004613.1472278-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201208004613.1472278-1-dmitry.baryshkov@linaro.org> References: <20201208004613.1472278-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On SM8250 additional clock is required for PCIe devices to access NOC. Update PCIe controller driver to control this clock. Signed-off-by: Dmitry Baryshkov --- drivers/pci/controller/dwc/pcie-qcom.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index e45a43148f56..67712ea48d5f 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -159,8 +159,9 @@ struct qcom_pcie_resources_2_3_3 { struct reset_control *rst[7]; }; +#define QCOM_PCIE_2_7_0_MAX_CLOCKS 6 struct qcom_pcie_resources_2_7_0 { - struct clk_bulk_data clks[6]; + struct clk_bulk_data clks[QCOM_PCIE_2_7_0_MAX_CLOCKS + 1]; /* + 1 for sf_tbu */ struct regulator_bulk_data supplies[2]; struct reset_control *pci_reset; struct clk *pipe_clk; @@ -1167,10 +1168,15 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie) res->clks[4].id = "slave_q2a"; res->clks[5].id = "tbu"; - ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks); + ret = devm_clk_bulk_get(dev, QCOM_PCIE_2_7_0_MAX_CLOCKS, res->clks); if (ret < 0) return ret; + /* Optional clock for SM8250 */ + res->clks[6].clk = devm_clk_get_optional(dev, "ddrss_sf_tbu"); + if (IS_ERR(res->clks[6].clk)) + return PTR_ERR(res->clks[6].clk); + res->pipe_clk = devm_clk_get(dev, "pipe"); return PTR_ERR_OR_ZERO(res->pipe_clk); }