From patchwork Mon Aug 3 19:44:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 11698721 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A8ACF1575 for ; Mon, 3 Aug 2020 19:44:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02C1422CB1 for ; Mon, 3 Aug 2020 19:44:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="RRfGmOJD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728575AbgHCToe (ORCPT ); Mon, 3 Aug 2020 15:44:34 -0400 Received: from hqnvemgate24.nvidia.com ([216.228.121.143]:18161 "EHLO hqnvemgate24.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728541AbgHCTod (ORCPT ); Mon, 3 Aug 2020 15:44:33 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate24.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 03 Aug 2020 12:42:55 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 03 Aug 2020 12:44:32 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 03 Aug 2020 12:44:32 -0700 Received: from HQMAIL101.nvidia.com (172.20.187.10) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 3 Aug 2020 19:44:29 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 3 Aug 2020 19:44:29 +0000 Received: from skomatineni-linux.nvidia.com (Not Verified[10.2.167.221]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Mon, 03 Aug 2020 12:44:29 -0700 From: Sowjanya Komatineni To: , , , , CC: , , , , Subject: [PATCH v1 3/6] arm64: tegra: Add missing timeout clock to Tegra210 SDMMC Date: Mon, 3 Aug 2020 12:44:20 -0700 Message-ID: <1596483863-22153-4-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1596483863-22153-1-git-send-email-skomatineni@nvidia.com> References: <1596483863-22153-1-git-send-email-skomatineni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1596483775; bh=ACOKX3Nl/6yIILPCm9RSoySc3q8XcKN5zLWzcZFbHZo=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=RRfGmOJDNczyzsuvs19oBlkeDSKvqOY8hcWp33uilYHkkgzw9DbbKWcEGiH33OtOa M59cwbXjH/P2Lyjft3lwqDIzW9BcJ/tG/PyX/nk9v8u28Oa/8uCvl5noLMXv373mNp AtfVv08L/vp71zq14gXd2sIIg4M3ILBxQYkkj6Iyi7SjvRJG1FY3RHvfvX/SYbsBNe AhFTQdIWiW5jUe++6q5lcDS+IyqWm3uxtt/T8mNlrzupG1cjhr/0U6kJwJFkWwmBZa sucNYz6rbyx6I5IgwdaiyMmqvuYuZ5X7rGBX7y0Bga4k0qF3sfHfOTL8Lb20+qWCVW Jvf4vSisWelcg== Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org commit 742af7e7a0a1 ("arm64: tegra: Add Tegra210 support") Tegra210 uses separate SDMMC_LEGACY_TM clock for data timeout and this clock is not enabled currently which is not recommended. Tegra SDMMC advertises 12Mhz as timeout clock frequency in host capability register. So, this clock should be kept enabled by SDMMC driver. Signed-off-by: Sowjanya Komatineni --- arch/arm64/boot/dts/nvidia/tegra210.dtsi | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index 829f786..8cca216 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -1194,8 +1194,9 @@ compatible = "nvidia,tegra210-sdhci"; reg = <0x0 0x700b0000 0x0 0x200>; interrupts = ; - clocks = <&tegra_car TEGRA210_CLK_SDMMC1>; - clock-names = "sdhci"; + clocks = <&tegra_car TEGRA210_CLK_SDMMC1>, + <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>; + clock-names = "sdhci", "tmclk"; resets = <&tegra_car 14>; reset-names = "sdhci"; pinctrl-names = "sdmmc-3v3", "sdmmc-1v8", @@ -1222,8 +1223,9 @@ compatible = "nvidia,tegra210-sdhci"; reg = <0x0 0x700b0200 0x0 0x200>; interrupts = ; - clocks = <&tegra_car TEGRA210_CLK_SDMMC2>; - clock-names = "sdhci"; + clocks = <&tegra_car TEGRA210_CLK_SDMMC2>, + <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>; + clock-names = "sdhci", "tmclk"; resets = <&tegra_car 9>; reset-names = "sdhci"; pinctrl-names = "sdmmc-1v8-drv"; @@ -1239,8 +1241,9 @@ compatible = "nvidia,tegra210-sdhci"; reg = <0x0 0x700b0400 0x0 0x200>; interrupts = ; - clocks = <&tegra_car TEGRA210_CLK_SDMMC3>; - clock-names = "sdhci"; + clocks = <&tegra_car TEGRA210_CLK_SDMMC3>, + <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>; + clock-names = "sdhci", "tmclk"; resets = <&tegra_car 69>; reset-names = "sdhci"; pinctrl-names = "sdmmc-3v3", "sdmmc-1v8", @@ -1262,8 +1265,9 @@ compatible = "nvidia,tegra210-sdhci"; reg = <0x0 0x700b0600 0x0 0x200>; interrupts = ; - clocks = <&tegra_car TEGRA210_CLK_SDMMC4>; - clock-names = "sdhci"; + clocks = <&tegra_car TEGRA210_CLK_SDMMC4>, + <&tegra_car TEGRA210_CLK_SDMMC_LEGACY>; + clock-names = "sdhci", "tmclk"; resets = <&tegra_car 15>; reset-names = "sdhci"; pinctrl-names = "sdmmc-3v3-drv", "sdmmc-1v8-drv";