From patchwork Wed Dec 19 22:55:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 1016397 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.b="T2gvHZCB"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 43Kr0Y3gVBz9sD9 for ; Thu, 20 Dec 2018 09:58:37 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728324AbeLSW6Q (ORCPT ); Wed, 19 Dec 2018 17:58:16 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:14263 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728285AbeLSW6Q (ORCPT ); Wed, 19 Dec 2018 17:58:16 -0500 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate16.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Wed, 19 Dec 2018 14:58:04 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Wed, 19 Dec 2018 14:58:14 -0800 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Wed, 19 Dec 2018 14:58:14 -0800 Received: from HQMAIL104.nvidia.com (172.18.146.11) by HQMAIL108.nvidia.com (172.18.146.13) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 19 Dec 2018 22:58:13 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Wed, 19 Dec 2018 22:58:13 +0000 Received: from skomatineni-linux.nvidia.com (Not Verified[10.110.103.52]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Wed, 19 Dec 2018 14:55:58 -0800 From: Sowjanya Komatineni To: , , , , , , , CC: , , , , Sowjanya Komatineni Subject: [PATCH V2 1/3] dt-bindings: mmc: tegra: Add pinctrl for pad drive strength config Date: Wed, 19 Dec 2018 14:55:51 -0800 Message-ID: <1545260153-11338-1-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1545260285; bh=aeW5srTuVMljeFxTYLeI1rl+Rzz9wq/UVcb0OHGTpeg=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: X-NVConfidentiality:MIME-Version:Content-Type; b=T2gvHZCBcLQzJV32jpHfhFz/AZ2Vku/MjlBQ+XsdAx6QvPb/DKuuSSzw82DoNGxMK 3yYYE5QTNzuccaas2lI2cQ5sgu5HaXrAwffsXAWg+YsrKPLuBusqTjkLjsxwwRTxpb DcWwRrcqdaT0THmm2fOGT53zDq6qQcgw9UB7dv17znBaKYW/rxV8BDNId0cJcJBjMu gAInb1qmL81mGPhbCovAYFq4LGEwxag4xpC4f+K4CZYygHDzYSPchLLLBRfrQ6IBdP 09olVGFQtIc27IUHxhFxxsCzYliAh92JKp02A0anGuH8qLDXCwvvPgdbVMyRadY/li e0exxLF1NpRTQ== Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Add pinctrl for 3V3 and 1V8 pad drive strength configuration for Tegra210 sdmmc which has pad configuration registers in the pinmux reigster domain. Signed-off-by: Sowjanya Komatineni --- Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt index 32b4b4e41923..2cecdc71d94c 100644 --- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.txt @@ -39,12 +39,16 @@ sdhci@c8000200 { bus-width = <8>; }; -Optional properties for Tegra210 and Tegra186: +Optional properties for Tegra210, Tegra186 and Tegra194: - pinctrl-names, pinctrl-0, pinctrl-1 : Specify pad voltage configurations. Valid pinctrl-names are "sdmmc-3v3" and "sdmmc-1v8" for controllers supporting multiple voltage levels. The order of names should correspond to the pin configuration states in pinctrl-0 and pinctrl-1. +- pinctrl-names : "sdmmc-3v3-drv" and "sdmmc-1v8-drv" are applicable for + Tegra210 where pad config registers are in the pinmux register domain + for pull-up-strength and pull-down-strength values configuration when + using pads at 3V3 and 1V8 levels. - nvidia,only-1-8-v : The presence of this property indicates that the controller operates at a 1.8 V fixed I/O voltage. - nvidia,pad-autocal-pull-up-offset-3v3,