From patchwork Wed Aug 26 20:05:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 11739571 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 93A9713A4 for ; Wed, 26 Aug 2020 20:06:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 78B7E214F1 for ; Wed, 26 Aug 2020 20:06:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="NhmMqn1D" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727031AbgHZUFn (ORCPT ); Wed, 26 Aug 2020 16:05:43 -0400 Received: from hqnvemgate25.nvidia.com ([216.228.121.64]:8666 "EHLO hqnvemgate25.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726944AbgHZUFh (ORCPT ); Wed, 26 Aug 2020 16:05:37 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Wed, 26 Aug 2020 13:04:34 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Wed, 26 Aug 2020 13:05:37 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Wed, 26 Aug 2020 13:05:37 -0700 Received: from HQMAIL107.nvidia.com (172.20.187.13) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 26 Aug 2020 20:05:34 +0000 Received: from rnnvemgw01.nvidia.com (10.128.109.123) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Wed, 26 Aug 2020 20:05:34 +0000 Received: from skomatineni-linux.nvidia.com (Not Verified[10.2.174.186]) by rnnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Wed, 26 Aug 2020 13:05:33 -0700 From: Sowjanya Komatineni To: , , , , CC: , , , , , Subject: [PATCH v5 3/7] dt-bindings: mmc: tegra: Add tmclk for Tegra210 and later Date: Wed, 26 Aug 2020 13:05:10 -0700 Message-ID: <1598472314-30235-4-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1598472314-30235-1-git-send-email-skomatineni@nvidia.com> References: <1598472314-30235-1-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=1598472274; bh=XK4VLNMXZ7XEZrAff4ARy7mCMSVpYKjkKVkZT1HF2P0=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=NhmMqn1DTQNfxvRt7kG+OCiw1c0koECjT1hHP+DroubrvE5+yPA3GRbr7ahrxDwOy ezvMuIAXZnlytCjBvg7MPHwTRUCniICrXEtBw7n2mLp5QmIfwnXzLNOITTNR0kex1a Z4Tszu+S23Di7fRoHZgHj9x7KvC1unnO1aHGdinYV39HG8gLv6kro9o9eUfy8HMVe9 38SOPZKD2bjCaoD333aCuxpJcirDGVIF6BAIwXR+0e50a7lJQOtcLf97BaawgyPfiY kt/scjUzgO7m9fOFmVPMmTej98j45OLZ/wUzXZHFu23P2B3g0M6QJAXCp2UTWH5xNE h5mEIQiTX0BMw== Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Tegra210 and later uses separate SDMMC_LEGACY_TM clock for data timeout. So, this patch adds "tmclk" to Tegra sdhci clock property in the device tree binding. Signed-off-by: Sowjanya Komatineni --- .../bindings/mmc/nvidia,tegra20-sdhci.txt | 32 ++++++++++++++++++++-- 1 file changed, 29 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt index 2cf3aff..96c0b14 100644 --- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt @@ -15,8 +15,15 @@ Required properties: - "nvidia,tegra210-sdhci": for Tegra210 - "nvidia,tegra186-sdhci": for Tegra186 - "nvidia,tegra194-sdhci": for Tegra194 -- clocks : Must contain one entry, for the module clock. - See ../clocks/clock-bindings.txt for details. +- clocks: For Tegra210, Tegra186 and Tegra194 must contain two entries. + One for the module clock and one for the timeout clock. + For all other Tegra devices, must contain a single entry for + the module clock. See ../clocks/clock-bindings.txt for details. +- clock-names: For Tegra210, Tegra186 and Tegra194 must contain the + strings 'sdhci' and 'tmclk' to represent the module and + the timeout clocks, respectively. + For all other Tegra devices must contain the string 'sdhci' + to represent the module clock. - resets : Must contain an entry for each entry in reset-names. See ../reset/reset.txt for details. - reset-names : Must include the following entries: @@ -99,7 +106,7 @@ Optional properties for Tegra210, Tegra186 and Tegra194: Example: sdhci@700b0000 { - compatible = "nvidia,tegra210-sdhci", "nvidia,tegra124-sdhci"; + compatible = "nvidia,tegra124-sdhci"; reg = <0x0 0x700b0000 0x0 0x200>; interrupts = ; clocks = <&tegra_car TEGRA210_CLK_SDMMC1>; @@ -115,3 +122,22 @@ sdhci@700b0000 { nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>; status = "disabled"; }; + +sdhci@700b0000 { + compatible = "nvidia,tegra210-sdhci"; + reg = <0x0 0x700b0000 0x0 0x200>; + interrupts = ; + 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"; + pinctrl-0 = <&sdmmc1_3v3>; + pinctrl-1 = <&sdmmc1_1v8>; + nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>; + nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>; + nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>; + nvidia,pad-autocal-pull-down-offset-1v8 = <0x7b>; + status = "disabled"; +};