From patchwork Mon Jun 10 10:19:02 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nagarjuna Kristam X-Patchwork-Id: 10984615 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 623AF14E5 for ; Mon, 10 Jun 2019 10:19:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 50B3428668 for ; Mon, 10 Jun 2019 10:19:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 416172876E; Mon, 10 Jun 2019 10:19:33 +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,UPPERCASE_50_75 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 CF8CE28668 for ; Mon, 10 Jun 2019 10:19:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389309AbfFJKTc (ORCPT ); Mon, 10 Jun 2019 06:19:32 -0400 Received: from hqemgate14.nvidia.com ([216.228.121.143]:15636 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389291AbfFJKTb (ORCPT ); Mon, 10 Jun 2019 06:19:31 -0400 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 10 Jun 2019 03:19:31 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Mon, 10 Jun 2019 03:19:30 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Mon, 10 Jun 2019 03:19:30 -0700 Received: from HQMAIL105.nvidia.com (172.20.187.12) by HQMAIL104.nvidia.com (172.18.146.11) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Mon, 10 Jun 2019 10:19:29 +0000 Received: from hqnvemgw01.nvidia.com (172.20.150.20) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Mon, 10 Jun 2019 10:19:30 +0000 Received: from nkristam-ubuntu.nvidia.com (Not Verified[10.19.65.118]) by hqnvemgw01.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Mon, 10 Jun 2019 03:19:29 -0700 From: Nagarjuna Kristam To: , , , , , CC: , , , Nagarjuna Kristam Subject: [Patch V4 1/8] phy: tegra: xusb: t210: add XUSB dual mode support Date: Mon, 10 Jun 2019 15:49:02 +0530 Message-ID: <1560161949-26031-2-git-send-email-nkristam@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1560161949-26031-1-git-send-email-nkristam@nvidia.com> References: <1560161949-26031-1-git-send-email-nkristam@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=1560161971; bh=/weiYn4MWFg07I0Q451sy4ZS9uWNb+MsH29Wx7eurN0=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=T2Spu86vvLtTRX3IEtNAGI3UUQ9YIamO+z1CxfIA9jiAh3eCi9DqKAqQVIg3Po7eD i/ftFc8FkDYxYjfM09AXrNH7EWK6WwMLGsrffgC2dH7G6C90Fd4yfzEtGBWqZmfe6B QTcfV9uClg3QRjzuyQUqU6/FvDn4/oupcgv8u6NbOqCgEYq0fKE022oh96jnvdZxhN fFj2SRLKU+5R4IR5u3Av8cKWDAQmb19r3kqsCPZf5KgI4hAFYruxwQYX7rweIKAVs5 WQmF17fQ36xPdx49okE6SpjhtLEUAYRadbaWv/EedcVfUvjeocUjnDEIexg2s+tzS5 FUJpNFk6KXGKA== Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Configure the port capabilities based on usb_dr_mode settings. Based on work by JC Kuo . Signed-off-by: Nagarjuna Kristam Reviewed-by: JC Kuo Acked-by: Thierry Reding --- drivers/phy/tegra/xusb-tegra210.c | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/drivers/phy/tegra/xusb-tegra210.c b/drivers/phy/tegra/xusb-tegra210.c index 05bee32..4beebcc 100644 --- a/drivers/phy/tegra/xusb-tegra210.c +++ b/drivers/phy/tegra/xusb-tegra210.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2014-2019, NVIDIA CORPORATION. All rights reserved. * Copyright (C) 2015 Google, Inc. * * This program is free software; you can redistribute it and/or modify it @@ -47,7 +47,10 @@ #define XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_XUSB 0x1 #define XUSB_PADCTL_USB2_PORT_CAP 0x008 +#define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_DISABLED(x) (0x0 << ((x) * 4)) #define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_HOST(x) (0x1 << ((x) * 4)) +#define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_DEVICE(x) (0x2 << ((x) * 4)) +#define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_OTG(x) (0x3 << ((x) * 4)) #define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_MASK(x) (0x3 << ((x) * 4)) #define XUSB_PADCTL_SS_PORT_MAP 0x014 @@ -72,6 +75,7 @@ #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPADX_CTL1(x) (0x084 + (x) * 0x40) #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_SHIFT 7 #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_MASK 0x3 +#define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_VAL 0x1 #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_FIX18 (1 << 6) #define XUSB_PADCTL_USB2_OTG_PADX_CTL0(x) (0x088 + (x) * 0x40) @@ -965,7 +969,14 @@ static int tegra210_usb2_phy_power_on(struct phy *phy) value = padctl_readl(padctl, XUSB_PADCTL_USB2_PORT_CAP); value &= ~XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_MASK(index); - value |= XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_HOST(index); + if (port->mode == USB_DR_MODE_UNKNOWN) + value |= XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_DISABLED(index); + else if (port->mode == USB_DR_MODE_PERIPHERAL) + value |= XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_DEVICE(index); + else if (port->mode == USB_DR_MODE_HOST) + value |= XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_HOST(index); + else if (port->mode == USB_DR_MODE_OTG) + value |= XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_OTG(index); padctl_writel(padctl, value, XUSB_PADCTL_USB2_PORT_CAP); value = padctl_readl(padctl, XUSB_PADCTL_USB2_OTG_PADX_CTL0(index)); @@ -997,7 +1008,12 @@ static int tegra210_usb2_phy_power_on(struct phy *phy) XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPADX_CTL1(index)); value &= ~(XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_MASK << XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_SHIFT); - value |= XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_FIX18; + if (port->mode == USB_DR_MODE_HOST) + value |= XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_FIX18; + else + value |= + XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_VAL << + XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_SHIFT; padctl_writel(padctl, value, XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPADX_CTL1(index));