From patchwork Fri Jan 17 18:20:52 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Valentine Barshak X-Patchwork-Id: 3506691 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 02546C02DC for ; Fri, 17 Jan 2014 18:21:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 06E29200E9 for ; Fri, 17 Jan 2014 18:21:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E4ADC2017B for ; Fri, 17 Jan 2014 18:21:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752974AbaAQSVB (ORCPT ); Fri, 17 Jan 2014 13:21:01 -0500 Received: from mail-lb0-f180.google.com ([209.85.217.180]:55886 "EHLO mail-lb0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752960AbaAQSVA (ORCPT ); Fri, 17 Jan 2014 13:21:00 -0500 Received: by mail-lb0-f180.google.com with SMTP id n15so3272655lbi.11 for ; Fri, 17 Jan 2014 10:20:59 -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=yR7CCNKDdYqx9OtSioZk9NdzLALU3WmNWEmsDtDCMAs=; b=eP6gsG+dZUdokQ/U4lyc24kpUE8+H9i/FL3P/xdWAfm7spGMQGXyJOP7SSX29ppvO3 bx76YLok23tKoOJsaATUeEa0N34S9xI3PumXfkvsDGgR6oS+7iTiVTKAfRfxkJzZEDPy 3xXCBhHVyMmkM7zOD3uRmU8oILR9msn8a7gpwTGwTcIsC9iQT7Gz443fLF5x6OlTPZa9 C5zRz/f8lpZAdSJjyDK8pNtAtYw3PV405sCgTWBH6hqi9UPEsTqPvf58KFxqyYGkUR9b JXPdiO24KwIy2DupDMJpP6G31QjwzGnqPfWeAuhEMkS3ZDQZ75KnwSYfYEfbIw0Y3U/z IvdQ== X-Gm-Message-State: ALoCoQkiBqWUGa518pO24lbc3AjGUayPwyKhp7dzJz6eg+NwL4tvvFSmQ/vWKwG6hmc2sDrwHBJi X-Received: by 10.153.6.34 with SMTP id cr2mr1831670lad.44.1389982859140; Fri, 17 Jan 2014 10:20:59 -0800 (PST) Received: from black.localnet ([93.100.122.208]) by mx.google.com with ESMTPSA id j1sm8796963laj.3.2014.01.17.10.20.57 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 17 Jan 2014 10:20:58 -0800 (PST) From: Valentine Barshak To: linux-sh@vger.kernel.org Cc: Simon Horman , Magnus Damm , Kuninori Morimoto , Laurent Pinchart Subject: [PATCH V2 1/3] ARM: shmobile: lager: Add USBHS support Date: Fri, 17 Jan 2014 22:20:52 +0400 Message-Id: <1389982854-20680-2-git-send-email-valentine.barshak@cogentembedded.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1389982854-20680-1-git-send-email-valentine.barshak@cogentembedded.com> References: <1389982854-20680-1-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=-7.2 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 Acked-by: Magnus Damm --- arch/arm/mach-shmobile/board-lager.c | 138 +++++++++++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) Changes in V2: * capitalized ARM in the subject; * rebased on top the latest devel tag; * added pipe_type array to the usbhs platform info since it differs from the default. diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index 8dde446..4a95a45 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -30,6 +30,7 @@ #include #include #include +#include #include #include #include @@ -37,6 +38,8 @@ #include #include #include +#include +#include #include #include #include @@ -364,6 +367,131 @@ static const struct platform_device_info sata1_info __initconst = { .dma_mask = DMA_BIT_MASK(32), }; +/* 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 u32 lager_usbhs_pipe_type[] = { + USB_ENDPOINT_XFER_CONTROL, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, +}; + +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, + .pipe_type = lager_usbhs_pipe_type, + .pipe_size = ARRAY_SIZE(lager_usbhs_pipe_type), + }, + } +}; + +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", @@ -408,6 +536,9 @@ static const struct pinctrl_map lager_pinctrl_map[] = { "vin1_data8", "vin1"), PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-vin.1", "pfc-r8a7790", "vin1_clk", "vin1"), + /* USB0 */ + PIN_MAP_MUX_GROUP_DEFAULT("renesas_usbhs", "pfc-r8a7790", + "usb0", "usb0"), }; static void __init lager_add_standard_devices(void) @@ -461,6 +592,13 @@ static void __init lager_add_standard_devices(void) lager_add_camera1_device(); platform_device_register_full(&sata1_info); + + 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(); } /*