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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 6087FC433EA for ; Tue, 4 Aug 2020 04:29:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 69917207FC for ; Tue, 4 Aug 2020 04:29:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="apHz9A+w" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729004AbgHDE3b (ORCPT ); Tue, 4 Aug 2020 00:29:31 -0400 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:18775 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728715AbgHDE3b (ORCPT ); Tue, 4 Aug 2020 00:29:31 -0400 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 03 Aug 2020 21:29:17 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Mon, 03 Aug 2020 21:29:30 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Mon, 03 Aug 2020 21:29:30 -0700 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 4 Aug 2020 04:29:28 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 4 Aug 2020 04:29:28 +0000 Received: from skomatineni-linux.nvidia.com (Not Verified[10.2.167.221]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Mon, 03 Aug 2020 21:29:28 -0700 From: Sowjanya Komatineni To: , , , , CC: , , , , Subject: [PATCH v2 4/6] arm64: tegra: Add missing timeout clock to Tegra186 SDMMC nodes Date: Mon, 3 Aug 2020 21:29:21 -0700 Message-ID: <1596515363-27235-5-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1596515363-27235-1-git-send-email-skomatineni@nvidia.com> References: <1596515363-27235-1-git-send-email-skomatineni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1596515357; bh=eFc2VU5GTK3y8YU8lvXMTIrju/5qbDsv3weenC955gY=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=apHz9A+wojwUOquU6ZVSqUtF0GdPAPgq26IrJOv/5EXtrestVR+YTHNZHgFaqK9TM GmpfsxMmjmSWoGnsFR7w8OL1wwqwj1e/+ggGeHnCFdKx6sOjEDvRffuKN/mcAGHeCO OrvwDAFzIqu22NGBP/s1J8vlF5LSbIk4/nsOfFC4/vXGpAHCRp4UyjCsMnTYV8EzaF GumqgdOhhEiKvJX2fNyvVmII+C5qCXNeSUewFD+H1ixBuZ6zn+z7jTUzHNeoDQwjQ5 J9j3H7xy4X4AlyA6MfxH1TfM17QocHzRzSAVnu3rJ94pz5hTvHAKCt+RfM90VAvzjU mYEencuQCCOWw== Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org commit 39cb62cb8973 ("arm64: tegra: Add Tegra186 support") Tegra186 uses separate SDMMC_LEGACY_TM clock for data timeout and this clock is not enabled currently which is not recommended. Tegra186 SDMMC advertises 12Mhz as timeout clock frequency in host capability register and uses it by default. So, this clock should be kept enabled by the SDMMC driver. Signed-off-by: Sowjanya Komatineni --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 34d249d..8eb61dd 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -337,8 +337,9 @@ compatible = "nvidia,tegra186-sdhci"; reg = <0x0 0x03400000 0x0 0x10000>; interrupts = ; - clocks = <&bpmp TEGRA186_CLK_SDMMC1>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA186_CLK_SDMMC1>, + <&bpmp TEGRA186_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; resets = <&bpmp TEGRA186_RESET_SDMMC1>; reset-names = "sdhci"; interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCRA &emc>, @@ -366,8 +367,9 @@ compatible = "nvidia,tegra186-sdhci"; reg = <0x0 0x03420000 0x0 0x10000>; interrupts = ; - clocks = <&bpmp TEGRA186_CLK_SDMMC2>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA186_CLK_SDMMC2>, + <&bpmp TEGRA186_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; resets = <&bpmp TEGRA186_RESET_SDMMC2>; reset-names = "sdhci"; interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCRAA &emc>, @@ -390,8 +392,9 @@ compatible = "nvidia,tegra186-sdhci"; reg = <0x0 0x03440000 0x0 0x10000>; interrupts = ; - clocks = <&bpmp TEGRA186_CLK_SDMMC3>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA186_CLK_SDMMC3>, + <&bpmp TEGRA186_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; resets = <&bpmp TEGRA186_RESET_SDMMC3>; reset-names = "sdhci"; interconnects = <&mc TEGRA186_MEMORY_CLIENT_SDMMCR &emc>, @@ -416,8 +419,9 @@ compatible = "nvidia,tegra186-sdhci"; reg = <0x0 0x03460000 0x0 0x10000>; interrupts = ; - clocks = <&bpmp TEGRA186_CLK_SDMMC4>; - clock-names = "sdhci"; + clocks = <&bpmp TEGRA186_CLK_SDMMC4>, + <&bpmp TEGRA186_CLK_SDMMC_LEGACY_TM>; + clock-names = "sdhci", "tmclk"; assigned-clocks = <&bpmp TEGRA186_CLK_SDMMC4>, <&bpmp TEGRA186_CLK_PLLC4_VCO>; assigned-clock-parents = <&bpmp TEGRA186_CLK_PLLC4_VCO>; -- 2.7.4