From patchwork Wed Oct 3 22:04:19 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Constantine Shulyupin X-Patchwork-Id: 1543501 Return-Path: X-Original-To: patchwork-davinci@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by patchwork2.kernel.org (Postfix) with ESMTP id ACA76DFF71 for ; Wed, 3 Oct 2012 22:06:46 +0000 (UTC) Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id q93M4oj0019331; Wed, 3 Oct 2012 17:04:50 -0500 Received: from DLEE74.ent.ti.com (dlee74.ent.ti.com [157.170.170.8]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q93M4oxM021717; Wed, 3 Oct 2012 17:04:50 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by DLEE74.ent.ti.com (157.170.170.8) with Microsoft SMTP Server id 14.1.323.3; Wed, 3 Oct 2012 17:04:49 -0500 Received: from linux.omap.com (dlelxs01.itg.ti.com [157.170.227.31]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id q93M4oRd032576; Wed, 3 Oct 2012 17:04:50 -0500 Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id 1988180627; Wed, 3 Oct 2012 17:04:50 -0500 (CDT) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dflp51.itg.ti.com (dflp51.itg.ti.com [128.247.22.94]) by linux.omap.com (Postfix) with ESMTP id 8F07380626 for ; Wed, 3 Oct 2012 17:04:48 -0500 (CDT) Received: from red.ext.ti.com (red.ext.ti.com [192.94.93.37]) by dflp51.itg.ti.com (8.13.7/8.13.8) with ESMTP id q93M4mx2022869 for ; Wed, 3 Oct 2012 17:04:48 -0500 (CDT) Received: from psmtp.com (na3sys009amx230.postini.com [74.125.149.114]) by red.ext.ti.com (8.13.7/8.13.7) with SMTP id q93M4l3f000854 for ; Wed, 3 Oct 2012 17:04:48 -0500 Received: from oproxy6-pub.bluehost.com ([67.222.54.6]) by na3sys009amx230.postini.com ([74.125.148.10]) with SMTP; Wed, 03 Oct 2012 18:04:48 EDT Received: (qmail 31404 invoked by uid 0); 3 Oct 2012 22:04:37 -0000 Received: from unknown (HELO box668.bluehost.com) (66.147.244.168) by cpoproxy3.bluehost.com with SMTP; 3 Oct 2012 22:04:37 -0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=makelinux.com; s=default; h=Message-Id:Date:Subject:Cc:To:From; bh=tkSYyEHKRq/eQ5Kmtyu7e9sl9Y7pPCkOlJWdSqmJwac=; b=W7YZWs2CwIWJcY5R3E5qtLOfltaaQNHgXUEGmi+Mh1SsiMXg+emv8icre/P1/WqPr0wQW8Sg7EtIQV1S9+ESQZqyYscfVJaC7Vq7yCydfqHdv4A7jGHa3iGqTt6V2dLQ; Received: from [84.228.125.26] (port=54612 helo=makelinux.home) by box668.bluehost.com with esmtpa (Exim 4.76) (envelope-from ) id 1TJX3U-0003gr-5N; Wed, 03 Oct 2012 16:04:36 -0600 From: To: Subject: [PATCH v3] Enable USB peripheral on dm365 EVM Date: Thu, 4 Oct 2012 00:04:19 +0200 Message-ID: <1349301859-31306-1-git-send-email-const@MakeLinux.com> X-Mailer: git-send-email 1.7.9.5 X-Identified-User: {1470:box668.bluehost.com:makelinu:makelinux.net} {sentby:smtp auth 84.228.125.26 authed with poster@makelinux.net} X-pstn-neptune: 0/0/0.00/0 X-pstn-levels: (S:85.56122/99.90000 CV:99.9000 FC:95.5390 LC:95.5390 R:95.9108 P:95.9108 M:97.0282 C:98.6951 ) X-pstn-dkim: 1 skipped:not-enabled X-pstn-settings: 2 (0.5000:0.5000) s cv gt3 gt2 gt1 r p m c X-pstn-addresses: from [82/3] CC: , , , , , , , , Constantine Shulyupin , X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com From: Constantine Shulyupin From: Miguel Aguilar Signed-off-by: Constantine Shulyupin --- Tested with usb gadget g_zero. This patch is based on code from Arago, Angstom, and RidgeRun projects. Original patch is three years ago: http://www.mail-archive.com/davinci-linux-open-source@linux.davincidsp.com/msg14741.html --- arch/arm/mach-davinci/board-dm365-evm.c | 8 ++++++++ arch/arm/mach-davinci/usb.c | 2 ++ drivers/usb/musb/davinci.h | 1 + drivers/usb/musb/musb_core.c | 20 ++++++++++++-------- 4 files changed, 23 insertions(+), 8 deletions(-) diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 3a4743b..dfcb67f 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -38,6 +38,8 @@ #include #include #include +#include +#include #include @@ -92,6 +94,9 @@ static inline int have_tvp7002(void) #define CPLD_CCD_DIR3 CPLD_OFFSET(0x3f,0) #define CPLD_CCD_IO3 CPLD_OFFSET(0x3f,1) +#define USBPHY_CTL_PADDR 0x01c40034 +#define USBPHY_CLKFREQ_24MHZ BIT(13) + static void __iomem *cpld; @@ -613,6 +618,9 @@ static __init void dm365_evm_init(void) dm365_init_spi0(BIT(0), dm365_evm_spi_info, ARRAY_SIZE(dm365_evm_spi_info)); + writel(readl(IO_ADDRESS(USBPHY_CTL_PADDR)) | USBPHY_CLKFREQ_24MHZ, + IO_ADDRESS(USBPHY_CTL_PADDR)); + davinci_setup_usb(500, 8); } MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM") diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c index 23d2b6d..664c689 100644 --- a/arch/arm/mach-davinci/usb.c +++ b/arch/arm/mach-davinci/usb.c @@ -49,6 +49,8 @@ static struct musb_hdrc_platform_data usb_data = { .mode = MUSB_PERIPHERAL, #elif defined(CONFIG_USB_MUSB_HOST) .mode = MUSB_HOST, +#else + .mode = MUSB_OTG, #endif .clock = "usb", .config = &musb_config, diff --git a/drivers/usb/musb/davinci.h b/drivers/usb/musb/davinci.h index 371baa0..e737d97 100644 --- a/drivers/usb/musb/davinci.h +++ b/drivers/usb/musb/davinci.h @@ -16,6 +16,7 @@ /* Integrated highspeed/otg PHY */ #define USBPHY_CTL_PADDR 0x01c40034 +#define USBPHY_CLKFREQ_24MHZ BIT(13) #define USBPHY_DATAPOL BIT(11) /* (dm355) switch D+/D- */ #define USBPHY_PHYCLKGD BIT(8) #define USBPHY_SESNDEN BIT(7) /* v(sess_end) comparator */ diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 26f1bef..277fe65 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2051,9 +2051,17 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) dev_info(dev, "USB %s mode controller at %p using %s, IRQ %d\n", ({char *s; switch (musb->board_mode) { - case MUSB_HOST: s = "Host"; break; - case MUSB_PERIPHERAL: s = "Peripheral"; break; - default: s = "OTG"; break; + case MUSB_HOST: + s = "Host"; + break; + case MUSB_PERIPHERAL: + s = "Peripheral"; + break; + case MUSB_OTG: + s = "OTG"; + break; + default: + s = "Undefined"; }; s; }), ctrl, (is_dma_capable() && musb->dma_controller) @@ -2402,11 +2410,7 @@ static int __init musb_init(void) if (usb_disabled()) return 0; - pr_info("%s: version " MUSB_VERSION ", " - "?dma?" - ", " - "otg (peripheral+host)", - musb_driver_name); + pr_info("%s: version %s\n", MUSB_VERSION, musb_driver_name); return platform_driver_register(&musb_driver); } module_init(musb_init);