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 39FEFC3526E 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 1B43123127 for ; Sun, 20 Dec 2020 17:00:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727854AbgLTRAV (ORCPT ); Sun, 20 Dec 2020 12:00:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42768 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727824AbgLTRAS (ORCPT ); Sun, 20 Dec 2020 12:00:18 -0500 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8A488C0619D2 for ; Sun, 20 Dec 2020 08:59:01 -0800 (PST) Received: by mail-lf1-x136.google.com with SMTP id h22so8540103lfu.2 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=E/aBpAlLadnw3am7LGb4CbdsPDj38HoukQg709omzJeXeI2InsoDdGNkW0tt90aKm8 cN1xcINTd/DRxAKQbZk4KnibE57vEUE+OuWlQSiBSC0yMzf7Oi+AvEjKLbac6tKDreQG TKOJtfMYl2tA6hUQArCPXIiAtn6D5tk2qXwlmX43G7aixHmMCNFkIVtZ10p+8CW+8JzR uP1KzzVSXzreMlhjbEgOEJH1y1tdXtx/9F+uy1ac6X9Mm1mgCwF/XwfWaapWImw7nYXK MejUzSEGdA8hr02oB6H1jNjjwfkGZMIL7IuOKXxKPzBfOJk/y3vJtqmkPJBsg2v4xU/c 0DZQ== X-Gm-Message-State: AOAM531xALD3Il1gDX9GnfTX/CtbF/lAiGxOqgGdDZwNi+d5HewD8BCT 9GmjqLdBpxOPuHByTJ6rBSf3Ng== 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: linux-kernel@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