From patchwork Wed Dec 19 22:55:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 10738271 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ABD646C2 for ; Wed, 19 Dec 2018 22:58:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 985A228746 for ; Wed, 19 Dec 2018 22:58:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8A15D2876D; Wed, 19 Dec 2018 22:58:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EC22A28746 for ; Wed, 19 Dec 2018 22:58:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728748AbeLSW6S (ORCPT ); Wed, 19 Dec 2018 17:58:18 -0500 Received: from hqemgate16.nvidia.com ([216.228.121.65]:14264 "EHLO hqemgate16.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728293AbeLSW6R (ORCPT ); Wed, 19 Dec 2018 17:58:17 -0500 Received: from hqpgpgate101.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 hqpgpgate101.nvidia.com (PGP Universal service); Wed, 19 Dec 2018 14:58:14 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Wed, 19 Dec 2018 14:58:14 -0800 Received: from HQMAIL103.nvidia.com (172.20.187.11) by HQMAIL104.nvidia.com (172.18.146.11) 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 HQMAIL103.nvidia.com (172.20.187.11) 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 14:56:02 -0800 From: Sowjanya Komatineni To: , , , , , , , CC: , , , , Sowjanya Komatineni Subject: [PATCH V2 2/3] arm64: dts: tegra210: Add SDMMC Auto-cal settings Date: Wed, 19 Dec 2018 14:55:52 -0800 Message-ID: <1545260153-11338-2-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1545260153-11338-1-git-send-email-skomatineni@nvidia.com> References: <1545260153-11338-1-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=1545260284; bh=upXbqvh8OsNTt3xEaujgxEKb32gDOotj2vmCgyrGlPk=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=qctp7usBi65VfBUxYclhgJkdmNd+MpZWqGmjADJRibbpPpOoJzjEYETQ3qcRpNjN+ vh1kQ/iOX3quDtygYWAh0qbPg9QuwlJ5qTQxOpJ+Pkhmz3oP3R11RsnJMVbOasBgsc WnmsFaPiJCagaBHPy8EEeM/0r2fSPWTU4VXvTIl21XSWA9ev3BJ1OP2EMvX9T9M7ke PfFhhYb00x3VkULFhh+286q6gQtp8SgVC5Wi9fKfPivTsKl1WUGqFUvkYjuC2YVrMo zz79lLF+w9rS9X2uDd7BMeWgXI12pt78NDVovujGJoEGVehub2ehrn41iHGp7Gbynz VybQ8AS5nBlyw== Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add SDMMC initial pad offsets used by auto calibration process. Add SDMMC fixed drive strengths used when calibration timeouts. Fixed drive strengths are based on Pre SI Analysis of the pads. Signed-off-by: Sowjanya Komatineni --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 2 ++ arch/arm64/boot/dts/nvidia/tegra194.dtsi | 34 +++++++++++++++++++ arch/arm64/boot/dts/nvidia/tegra210.dtsi | 57 ++++++++++++++++++++++++++++++-- 3 files changed, 91 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 2f3c8e29520d..0631bb9bfcc3 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -311,6 +311,8 @@ nvidia,pad-autocal-pull-down-offset-hs400 = <0x05>; nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x0a>; nvidia,pad-autocal-pull-down-offset-1v8-timeout = <0x0a>; + nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x0a>; + nvidia,pad-autocal-pull-down-offset-3v3-timeout = <0x0a>; nvidia,default-tap = <0x5>; nvidia,default-trim = <0x9>; nvidia,dqs-trim = <63>; diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index c2091bb16546..3fab6802c335 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -301,6 +301,17 @@ clock-names = "sdhci"; resets = <&bpmp TEGRA194_RESET_SDMMC1>; reset-names = "sdhci"; + nvidia,pad-autocal-pull-up-offset-3v3-timeout = + <0x07>; + nvidia,pad-autocal-pull-down-offset-3v3-timeout = + <0x07>; + nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x06>; + nvidia,pad-autocal-pull-down-offset-1v8-timeout = + <0x07>; + nvidia,pad-autocal-pull-up-offset-sdr104 = <0x00>; + nvidia,pad-autocal-pull-down-offset-sdr104 = <0x00>; + nvidia,default-tap = <0x9>; + nvidia,default-trim = <0x5>; status = "disabled"; }; @@ -312,6 +323,18 @@ clock-names = "sdhci"; resets = <&bpmp TEGRA194_RESET_SDMMC3>; reset-names = "sdhci"; + nvidia,pad-autocal-pull-up-offset-1v8 = <0x00>; + nvidia,pad-autocal-pull-down-offset-1v8 = <0x7a>; + nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x07>; + nvidia,pad-autocal-pull-down-offset-3v3-timeout = + <0x07>; + nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x06>; + nvidia,pad-autocal-pull-down-offset-1v8-timeout = + <0x07>; + nvidia,pad-autocal-pull-up-offset-sdr104 = <0x00>; + nvidia,pad-autocal-pull-down-offset-sdr104 = <0x00>; + nvidia,default-tap = <0x9>; + nvidia,default-trim = <0x5>; status = "disabled"; }; @@ -323,6 +346,17 @@ clock-names = "sdhci"; resets = <&bpmp TEGRA194_RESET_SDMMC4>; reset-names = "sdhci"; + nvidia,pad-autocal-pull-up-offset-hs400 = <0x00>; + nvidia,pad-autocal-pull-down-offset-hs400 = <0x00>; + nvidia,pad-autocal-pull-up-offset-1v8-timeout = <0x0a>; + nvidia,pad-autocal-pull-down-offset-1v8-timeout = + <0x0a>; + nvidia,pad-autocal-pull-up-offset-3v3-timeout = <0x0a>; + nvidia,pad-autocal-pull-down-offset-3v3-timeout = + <0x0a>; + nvidia,default-tap = <0x8>; + nvidia,default-trim = <0x14>; + nvidia,dqs-trim = <40>; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra210.dtsi b/arch/arm64/boot/dts/nvidia/tegra210.dtsi index 2205d66b0443..41408df9d4e9 100644 --- a/arch/arm64/boot/dts/nvidia/tegra210.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra210.dtsi @@ -476,6 +476,48 @@ compatible = "nvidia,tegra210-pinmux"; reg = <0x0 0x700008d4 0x0 0x29c>, /* Pad control registers */ <0x0 0x70003000 0x0 0x294>; /* Mux registers */ + sdmmc1_3v3_drv: sdmmc1-3v3-drv { + sdmmc1 { + nvidia,pins = "drive_sdmmc1"; + nvidia,pull-down-strength = <0x8>; + nvidia,pull-up-strength = <0x8>; + }; + }; + sdmmc1_1v8_drv: sdmmc1-1v8-drv { + sdmmc1 { + nvidia,pins = "drive_sdmmc1"; + nvidia,pull-down-strength = <0x4>; + nvidia,pull-up-strength = <0x3>; + }; + }; + sdmmc2_1v8_drv: sdmmc2-1v8-drv { + sdmmc2 { + nvidia,pins = "drive_sdmmc2"; + nvidia,pull-down-strength = <0x10>; + nvidia,pull-up-strength = <0x10>; + }; + }; + sdmmc3_3v3_drv: sdmmc3-3v3-drv { + sdmmc3 { + nvidia,pins = "drive_sdmmc3"; + nvidia,pull-down-strength = <0x8>; + nvidia,pull-up-strength = <0x8>; + }; + }; + sdmmc3_1v8_drv: sdmmc3-1v8-drv { + sdmmc3 { + nvidia,pins = "drive_sdmmc3"; + nvidia,pull-down-strength = <0x4>; + nvidia,pull-up-strength = <0x3>; + }; + }; + sdmmc4_1v8_drv: sdmmc4-1v8-drv { + sdmmc4 { + nvidia,pins = "drive_sdmmc4"; + nvidia,pull-down-strength = <0x10>; + nvidia,pull-up-strength = <0x10>; + }; + }; }; /* @@ -1050,9 +1092,12 @@ clock-names = "sdhci"; resets = <&tegra_car 14>; reset-names = "sdhci"; - pinctrl-names = "sdmmc-3v3", "sdmmc-1v8"; + pinctrl-names = "sdmmc-3v3", "sdmmc-1v8", + "sdmmc-3v3-drv", "sdmmc-1v8-drv"; pinctrl-0 = <&sdmmc1_3v3>; pinctrl-1 = <&sdmmc1_1v8>; + pinctrl-2 = <&sdmmc1_3v3_drv>; + pinctrl-3 = <&sdmmc1_1v8_drv>; nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>; nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>; nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>; @@ -1075,6 +1120,8 @@ clock-names = "sdhci"; resets = <&tegra_car 9>; reset-names = "sdhci"; + pinctrl-names = "sdmmc-1v8-drv"; + pinctrl-0 = <&sdmmc2_1v8_drv>; nvidia,pad-autocal-pull-up-offset-1v8 = <0x05>; nvidia,pad-autocal-pull-down-offset-1v8 = <0x05>; nvidia,default-tap = <0x8>; @@ -1090,9 +1137,12 @@ clock-names = "sdhci"; resets = <&tegra_car 69>; reset-names = "sdhci"; - pinctrl-names = "sdmmc-3v3", "sdmmc-1v8"; + pinctrl-names = "sdmmc-3v3", "sdmmc-1v8", + "sdmmc-3v3-drv", "sdmmc-1v8-drv"; pinctrl-0 = <&sdmmc3_3v3>; pinctrl-1 = <&sdmmc3_1v8>; + pinctrl-2 = <&sdmmc3_3v3_drv>; + pinctrl-3 = <&sdmmc3_1v8_drv>; nvidia,pad-autocal-pull-up-offset-3v3 = <0x00>; nvidia,pad-autocal-pull-down-offset-3v3 = <0x7d>; nvidia,pad-autocal-pull-up-offset-1v8 = <0x7b>; @@ -1110,6 +1160,9 @@ clock-names = "sdhci"; resets = <&tegra_car 15>; reset-names = "sdhci"; + pinctrl-names = "sdmmc-3v3-drv", "sdmmc-1v8-drv"; + pinctrl-0 = <&sdmmc4_1v8_drv>; + pinctrl-1 = <&sdmmc4_1v8_drv>; nvidia,pad-autocal-pull-up-offset-1v8 = <0x05>; nvidia,pad-autocal-pull-down-offset-1v8 = <0x05>; nvidia,default-tap = <0x8>;