From patchwork Fri Dec 20 14:13:22 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Valentine Barshak X-Patchwork-Id: 3389191 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 63868C0D4A for ; Fri, 20 Dec 2013 14:13:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 808D5206E4 for ; Fri, 20 Dec 2013 14:13:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3ECC4206E3 for ; Fri, 20 Dec 2013 14:13:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030197Ab3LTONb (ORCPT ); Fri, 20 Dec 2013 09:13:31 -0500 Received: from mail-lb0-f174.google.com ([209.85.217.174]:54312 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030198Ab3LTONa (ORCPT ); Fri, 20 Dec 2013 09:13:30 -0500 Received: by mail-lb0-f174.google.com with SMTP id y6so1102762lbh.5 for ; Fri, 20 Dec 2013 06:13:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=PMTydqBEzZPouYaEbV6MAYbG1h2xEXPqT6Jyaistl9I=; b=D7iYAesRqhTEHPHnwy1Sk/MQ6JQhk54QA/wDWcRhvyj//8l0IYapet99DhYFDpvOAB xije/il6k1WD5czUUG+023i0xmXF+7+9mU9//5JJIjn6QxWKMeFam3xjRdgxmWtcKGSu 1mzzBf+3/w79jTh0ybtCQ2NRngWFjU3oogM8/cuUvChCI36lY2w+cvTHItj6C3D4orW6 KUUsXNfhFmZWdbfRKOwvvN8CyNliMccRsB8OlKreWO122BoBRoJlTnhHrUDZEn8qLS86 3D+tHV0GFSu/jiGjxa1XI3M1u7Gc7o3tIspqoEYnNCLdXwKqsbh4vTyFlLFSptRre0m3 mHfw== X-Gm-Message-State: ALoCoQk/L79fVT0XbKN0Vmz5HN0brVIg+T40Sq6w3fqvnXFO48u4S6nOMthtX5uYiKoKwf69Mfr4 X-Received: by 10.152.23.39 with SMTP id j7mr1277741laf.28.1387548808816; Fri, 20 Dec 2013 06:13:28 -0800 (PST) Received: from black.localnet ([93.100.122.208]) by mx.google.com with ESMTPSA id ld10sm6178121lab.8.2013.12.20.06.13.27 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 20 Dec 2013 06:13:27 -0800 (PST) From: Valentine Barshak To: linux-sh@vger.kernel.org Cc: Simon Horman , Magnus Damm , Kuninori Morimoto , Laurent Pinchart Subject: [PATCH 1/3] arm: shmobile: lager: Add USBHS support Date: Fri, 20 Dec 2013 18:13:22 +0400 Message-Id: <1387548804-20829-2-git-send-email-valentine.barshak@cogentembedded.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1387548804-20829-1-git-send-email-valentine.barshak@cogentembedded.com> References: <1387548804-20829-1-git-send-email-valentine.barshak@cogentembedded.com> 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 This adds USBHS PHY and registers USBHS device if the driver is enabled. Signed-off-by: Valentine Barshak --- arch/arm/mach-shmobile/board-lager.c | 117 +++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index f20c10a..06cf92c 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include #include @@ -36,6 +37,8 @@ #include #include #include +#include +#include #include #include #include @@ -291,6 +294,110 @@ static const struct resource qspi_resources[] __initconst = { DEFINE_RES_IRQ(gic_spi(184)), }; +/* USBHS */ +#if IS_ENABLED(CONFIG_USB_RENESAS_USBHS_UDC) +static const struct resource usbhs_resources[] __initconst = { + DEFINE_RES_MEM(0xe6590000, 0x100), + DEFINE_RES_IRQ(gic_spi(107)), +}; + +struct usbhs_private { + struct renesas_usbhs_platform_info info; + struct usb_phy *phy; +}; + +#define usbhs_get_priv(pdev) \ + container_of(renesas_usbhs_get_info(pdev), struct usbhs_private, info) + +static int usbhs_power_ctrl(struct platform_device *pdev, + void __iomem *base, int enable) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + if (!priv->phy) + return -ENODEV; + + if (enable) { + int retval = usb_phy_init(priv->phy); + + if (!retval) + retval = usb_phy_set_suspend(priv->phy, 0); + return retval; + } + + usb_phy_set_suspend(priv->phy, 1); + usb_phy_shutdown(priv->phy); + return 0; +} + +static int usbhs_hardware_init(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + struct usb_phy *phy; + + phy = usb_get_phy_dev(&pdev->dev, 0); + if (IS_ERR(phy)) + return PTR_ERR(phy); + + priv->phy = phy; + return 0; +} + +static int usbhs_hardware_exit(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + if (!priv->phy) + return 0; + + usb_put_phy(priv->phy); + priv->phy = NULL; + return 0; +} + +static int usbhs_get_id(struct platform_device *pdev) +{ + return USBHS_GADGET; +} + +static struct usbhs_private usbhs_priv __initdata = { + .info = { + .platform_callback = { + .power_ctrl = usbhs_power_ctrl, + .hardware_init = usbhs_hardware_init, + .hardware_exit = usbhs_hardware_exit, + .get_id = usbhs_get_id, + }, + .driver_param = { + .buswait_bwait = 4, + }, + } +}; + +static void __init lager_register_usbhs(void) +{ + usb_bind_phy("renesas_usbhs", 0, "usb_phy_rcar_gen2"); + platform_device_register_resndata(&platform_bus, + "renesas_usbhs", -1, + usbhs_resources, + ARRAY_SIZE(usbhs_resources), + &usbhs_priv.info, + sizeof(usbhs_priv.info)); +} +#else /* CONFIG_USB_RENESAS_USBHS_UDC */ +static inline void lager_register_usbhs(void) { } +#endif /* CONFIG_USB_RENESAS_USBHS_UDC */ + +/* USBHS PHY */ +static const struct rcar_gen2_phy_platform_data usbhs_phy_pdata __initconst = { + .chan0_pci = 0, /* Channel 0 is USBHS */ + .chan2_pci = 1, /* Channel 2 is PCI USB */ +}; + +static const struct resource usbhs_phy_resources[] __initconst = { + DEFINE_RES_MEM(0xe6590100, 0x100), +}; + static const struct pinctrl_map lager_pinctrl_map[] = { /* DU (CN10: ARGB0, CN13: LVDS) */ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790", @@ -319,6 +426,9 @@ static const struct pinctrl_map lager_pinctrl_map[] = { "eth_rmii", "eth"), PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790", "intc_irq0", "intc"), + /* USB0 */ + PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7790", + "usb0", "usb0"), }; static void __init lager_add_standard_devices(void) @@ -368,6 +478,13 @@ static void __init lager_add_standard_devices(void) &vccq_sdhi0_info, sizeof(struct gpio_regulator_config)); platform_device_register_data(&platform_bus, "gpio-regulator", gpio_regulator_idx++, &vccq_sdhi2_info, sizeof(struct gpio_regulator_config)); + + platform_device_register_resndata(&platform_bus, "usb_phy_rcar_gen2", + -1, usbhs_phy_resources, + ARRAY_SIZE(usbhs_phy_resources), + &usbhs_phy_pdata, + sizeof(usbhs_phy_pdata)); + lager_register_usbhs(); } /*