From patchwork Sun Jan 26 16:49:02 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Dooks X-Patchwork-Id: 3539941 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8B1E69F381 for ; Sun, 26 Jan 2014 16:50:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7109320117 for ; Sun, 26 Jan 2014 16:50:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B8C622011D for ; Sun, 26 Jan 2014 16:49:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753037AbaAZQt0 (ORCPT ); Sun, 26 Jan 2014 11:49:26 -0500 Received: from 82-68-191-81.dsl.posilan.com ([82.68.191.81]:41216 "EHLO rainbowdash.ducie.codethink.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752397AbaAZQtJ (ORCPT ); Sun, 26 Jan 2014 11:49:09 -0500 Received: from ben by rainbowdash.ducie.codethink.co.uk with local (Exim 4.82) (envelope-from ) id 1W7StP-0007Kt-8F; Sun, 26 Jan 2014 16:49:07 +0000 From: Ben Dooks To: linux-kernel@lists.codethink.co.uk Cc: Ben Dooks , linux-usb@vger.kernel.org, linux-sh@vger.kernel.org, Magnus Damm , Simon Horman , devicetree@vger.kernel.org Subject: [PATCH 5/8] phy-rcar-usb-gen2: add device tree support Date: Sun, 26 Jan 2014 16:49:02 +0000 Message-Id: <1390754945-28142-6-git-send-email-ben.dooks@codethink.co.uk> X-Mailer: git-send-email 1.8.5.2 In-Reply-To: <1390754945-28142-1-git-send-email-ben.dooks@codethink.co.uk> References: <1390754945-28142-1-git-send-email-ben.dooks@codethink.co.uk> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for the phy-rcar-gen2-usb driver to be probed from device tree. Signed-off-by: Ben Dooks Reviewed-by: Ian Molton --- Fixes from v1: - use of_property_reasd-bool() - remove unused of_id variable Cc: linux-usb@vger.kernel.org Cc: linux-sh@vger.kernel.org Cc: Magnus Damm Cc: Simon Horman Cc: devicetree@vger.kernel.org --- drivers/usb/phy/phy-rcar-gen2-usb.c | 31 ++++++++++++++++++++++++++----- 1 file changed, 26 insertions(+), 5 deletions(-) diff --git a/drivers/usb/phy/phy-rcar-gen2-usb.c b/drivers/usb/phy/phy-rcar-gen2-usb.c index db3ab34..d146388 100644 --- a/drivers/usb/phy/phy-rcar-gen2-usb.c +++ b/drivers/usb/phy/phy-rcar-gen2-usb.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include @@ -167,6 +168,12 @@ out: spin_unlock_irqrestore(&priv->lock, flags); } +static struct of_device_id rcar_gen2_usb_phy_ofmatch[] = { + { .compatible = "renesas,usb-phy-r8a7790", }, + { .compatible = "renesas,rcar-gen2-usb-phy", }, + { }, +}; + static int rcar_gen2_usb_phy_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -178,7 +185,7 @@ static int rcar_gen2_usb_phy_probe(struct platform_device *pdev) int retval; pdata = dev_get_platdata(&pdev->dev); - if (!pdata) { + if (!pdata && !dev->of_node) { dev_err(dev, "No platform data\n"); return -EINVAL; } @@ -203,16 +210,29 @@ static int rcar_gen2_usb_phy_probe(struct platform_device *pdev) spin_lock_init(&priv->lock); priv->clk = clk; priv->base = base; - priv->ugctrl2 = pdata->chan0_pci ? - USBHS_UGCTRL2_USB0_PCI : USBHS_UGCTRL2_USB0_HS; - priv->ugctrl2 |= pdata->chan2_pci ? - USBHS_UGCTRL2_USB2_PCI : USBHS_UGCTRL2_USB2_SS; priv->phy.dev = dev; priv->phy.label = dev_name(dev); priv->phy.init = rcar_gen2_usb_phy_init; priv->phy.shutdown = rcar_gen2_usb_phy_shutdown; priv->phy.set_suspend = rcar_gen2_usb_phy_set_suspend; + if (of_id) { + if (of_property_read_bool(dev->of_node, "renesas,usb0-hs")) + priv->ugctrl2 = USBHS_UGCTRL2_USB0_HS; + else + priv->ugctrl2 = USBHS_UGCTRL2_USB0_PCI; + + if (of_property_read_bool(dev->of_node, "renesas,usb2-ss")) + priv->ugctrl2 |= USBHS_UGCTRL2_USB2_SS; + else + priv->ugctrl2 |= USBHS_UGCTRL2_USB2_PCI; + } else { + priv->ugctrl2 = pdata->chan0_pci ? + USBHS_UGCTRL2_USB0_PCI : USBHS_UGCTRL2_USB0_HS; + priv->ugctrl2 |= pdata->chan2_pci ? + USBHS_UGCTRL2_USB2_PCI : USBHS_UGCTRL2_USB2_SS; + } + retval = usb_add_phy(&priv->phy, USB_PHY_TYPE_USB2); if (retval < 0) { dev_err(dev, "Failed to add USB phy\n"); @@ -236,6 +256,7 @@ static int rcar_gen2_usb_phy_remove(struct platform_device *pdev) static struct platform_driver rcar_gen2_usb_phy_driver = { .driver = { .name = "usb_phy_rcar_gen2", + .of_match_table = rcar_gen2_usb_phy_ofmatch, }, .probe = rcar_gen2_usb_phy_probe, .remove = rcar_gen2_usb_phy_remove,