From patchwork Wed Sep 4 08:23:53 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nagarjuna Kristam X-Patchwork-Id: 11129615 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 C188B16B1 for ; Wed, 4 Sep 2019 08:24:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A44D323400 for ; Wed, 4 Sep 2019 08:24:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="m15Ue7Rf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728604AbfIDIYX (ORCPT ); Wed, 4 Sep 2019 04:24:23 -0400 Received: from hqemgate15.nvidia.com ([216.228.121.64]:9665 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726010AbfIDIYX (ORCPT ); Wed, 4 Sep 2019 04:24:23 -0400 Received: from hqpgpgate102.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Wed, 04 Sep 2019 01:24:24 -0700 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate102.nvidia.com (PGP Universal service); Wed, 04 Sep 2019 01:24:21 -0700 X-PGP-Universal: processed; by hqpgpgate102.nvidia.com on Wed, 04 Sep 2019 01:24:21 -0700 Received: from HQMAIL110.nvidia.com (172.18.146.15) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 4 Sep 2019 08:24:21 +0000 Received: from HQMAIL109.nvidia.com (172.20.187.15) by hqmail110.nvidia.com (172.18.146.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 4 Sep 2019 08:24:21 +0000 Received: from hqnvemgw02.nvidia.com (172.16.227.111) by HQMAIL109.nvidia.com (172.20.187.15) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Wed, 4 Sep 2019 08:24:20 +0000 Received: from nkristam-ubuntu.nvidia.com (Not Verified[10.19.65.118]) by hqnvemgw02.nvidia.com with Trustwave SEG (v7,5,8,10121) id ; Wed, 04 Sep 2019 01:24:19 -0700 From: Nagarjuna Kristam To: , , , , , , CC: , , , , "Nagarjuna Kristam" Subject: [Patch V8 1/8] phy: tegra: xusb: Add XUSB dual mode support on Tegra210 Date: Wed, 4 Sep 2019 13:53:53 +0530 Message-ID: <1567585440-13751-2-git-send-email-nkristam@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1567585440-13751-1-git-send-email-nkristam@nvidia.com> References: <1567585440-13751-1-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=1567585464; bh=uplC7C3AwS9xTkDY3gNfmGlsF18xBuoOOiOFKVwMsSg=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=m15Ue7RfnZu80WMRX3MOjcdaIT04/kIZ4cGVTwiO7V6PJWotKKgcA3NqO0uZo/php NT1cQznINnAtHcpaJpco9oX/+H0doQvk43IF37AGXovBBMYJQ+5oQFRje+TG6GL13i KpJ0x2A7s9Y/tgZHoijnUuupp/+l7U4gHv8fgqjuLwzFsiopzxZ2dZv9iniO0Yjyo/ W4qmMUxGNL9peW3grj+oLjaU0RnETKGENRC2ixxvt+bpnIn7u6Cg+oZ6Ym7m6mPAsX 1hhztkYuSv5vi9VPPCZBhghpo5BICd/DRV2d9MfpGGZdWp59kFZj6NsFQ1doFtSHxC ygYb4DxqTFfRw== Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org 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 | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/phy/tegra/xusb-tegra210.c b/drivers/phy/tegra/xusb-tegra210.c index 0c0df68..0351c4a 100644 --- a/drivers/phy/tegra/xusb-tegra210.c +++ b/drivers/phy/tegra/xusb-tegra210.c @@ -39,7 +39,10 @@ #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 @@ -64,6 +67,7 @@ #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) @@ -957,7 +961,14 @@ 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)); @@ -989,7 +1000,12 @@ 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));