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=-18.8 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,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 12BF3C3526C for ; Sun, 20 Dec 2020 17:00:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E51A523127 for ; Sun, 20 Dec 2020 17:00:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727396AbgLTRAT (ORCPT ); Sun, 20 Dec 2020 12:00:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727822AbgLTRAS (ORCPT ); Sun, 20 Dec 2020 12:00:18 -0500 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 87D52C0611E4 for ; Sun, 20 Dec 2020 08:59:01 -0800 (PST) Received: by mail-lf1-x130.google.com with SMTP id m25so17993936lfc.11 for ; Sun, 20 Dec 2020 08:59:01 -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=6ACQLhZ/DjpUcMSHfzCdjeEO3CADfnxSX7nisOAf+8Q=; b=f1/S2sTpGE9/fYtha/WIr/3vCQN3IQxnl/mvseRqKym0ugFOUyzxA3tRVf7uJBxreo zFcuekdLmGBV4KyjOt6btzaQqDc6egCNQTJ0eRvysZcEmYqoLZQmkvek7TT7FShFIl0F dAcoFuHN5SxLzePJa7u81EOjoK6PDyAOW14uEdeEFMqabHd2W83hPxfkXAhV7iUdCDRh QnGL9B7bsMf3NzJQYj32ZvF+Xye4VLw44Jm3UBbTUiOKcx01iY90JSHRtB8Ql77TW+30 siTDMTnUSYCeIyM7niGNiPGXU/xP3py3zywKtx5/wOw7MHbGbazQNAO01LioB0Xjxjsj aK/A== 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=6ACQLhZ/DjpUcMSHfzCdjeEO3CADfnxSX7nisOAf+8Q=; b=l9dqJ9BKBoMUH+7cJG64hZmO6ty3M6o59NiYgMOqtg+JpgmtbW/28jlLL8omnsC/Ar E/5pP296lDOQwKOe7uRGdwwx3zKUP2R4xylL7TfIE/RDfztYHOQPaJ6jq4FdkC8ePhq9 shcghM1xDJDr7YLPXjMJHM5a8bw/NPBb74cryHbJyvCAi10k/wFGuRzupvVThefdXOid 0trR1TrApGLeszam4OdWcaRMk7WgYVr8UWuqwFnWpnqmYhpuia25xFTWhGeawa4RF+jk j2W2IrFSV0OnyTPBU+Z3cd9WlzsOV82wjHUxvpvK4QJaeRdVLfCuJi8svWDe1znhnSDW 0f9A== X-Gm-Message-State: AOAM530uQE37yAw63JrV5ekf6VQ20TEGFRPg3Av4tyHJpzMulq4T45Tf ddFnvv0K2bGS43eScx0FhPt+HQ== X-Google-Smtp-Source: ABdhPJyomwhvZ8n02afXuxM0EgqV2KwweS7Ki1b1xSd1dZQ7LcO8fa5dYyNZFvPPOh6v3hagydZaUQ== X-Received: by 2002:a2e:2284:: with SMTP id i126mr5868907lji.93.1608483540121; Sun, 20 Dec 2020 08:59:00 -0800 (PST) Received: from eriador.lumag.spb.ru ([188.162.64.15]) by smtp.gmail.com with ESMTPSA id t30sm1696638lft.266.2020.12.20.08.58.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Dec 2020 08:58:59 -0800 (PST) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Lee Jones Cc: linux-arm-msm@vger.kernel.org, Manivannan Sadhasivam , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/4] arm64: dtb: qcom: qrb5165-rb5: add power domain to pcie0 phy Date: Sun, 20 Dec 2020 19:58:45 +0300 Message-Id: <20201220165845.3712599-5-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201220165845.3712599-1-dmitry.baryshkov@linaro.org> References: <20201220165845.3712599-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org If QCA6391 chip (connected to PCIe0) is not powered at the PCIe probe time, PCIe0 bus probe will timeout and the device will not be detected. To ease device power up support, use qca639x as pcie0 phy power-domain. This allows us to make sure that QCA6391 chip is powered on before PCIe0 probe happens. Signed-off-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts index e6bab9960cea..9aa7793cd7c0 100644 --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts @@ -457,6 +457,9 @@ &pcie0_phy { status = "okay"; vdda-phy-supply = <&vreg_l5a_0p88>; vdda-pll-supply = <&vreg_l9a_1p2>; + + /* Power on QCA639x chip, otherwise PCIe bus timeouts */ + power-domains = <&qca639x>; }; &pcie1 { -- 2.29.2