From patchwork Tue Jul 12 15:04:41 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aisheng Dong X-Patchwork-Id: 968532 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p6CEgWuH023679 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 12 Jul 2011 14:42:53 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QgeAD-0002v5-7O; Tue, 12 Jul 2011 14:42:17 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1QgeAB-0000Hd-Fl; Tue, 12 Jul 2011 14:42:15 +0000 Received: from va3ehsobe004.messaging.microsoft.com ([216.32.180.14] helo=VA3EHSOBE004.bigfish.com) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qge9R-00006i-0I for linux-arm-kernel@lists.infradead.org; Tue, 12 Jul 2011 14:41:31 +0000 Received: from mail97-va3-R.bigfish.com (10.7.14.250) by VA3EHSOBE004.bigfish.com (10.7.40.24) with Microsoft SMTP Server id 14.1.225.22; Tue, 12 Jul 2011 14:41:25 +0000 Received: from mail97-va3 (localhost.localdomain [127.0.0.1]) by mail97-va3-R.bigfish.com (Postfix) with ESMTP id D73851550205; Tue, 12 Jul 2011 14:41:25 +0000 (UTC) X-SpamScore: 6 X-BigFish: VS6(zzc8kzz1202h1082kzz8275bhz2dh2a8h668h839h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPVD:NLI; H:mail.freescale.net; RD:none; EFVD:NLI Received: from mail97-va3 (localhost.localdomain [127.0.0.1]) by mail97-va3 (MessageSwitch) id 1310481685586716_16220; Tue, 12 Jul 2011 14:41:25 +0000 (UTC) Received: from VA3EHSMHS036.bigfish.com (unknown [10.7.14.246]) by mail97-va3.bigfish.com (Postfix) with ESMTP id 7C76ED1804B; Tue, 12 Jul 2011 14:41:25 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by VA3EHSMHS036.bigfish.com (10.7.99.46) with Microsoft SMTP Server (TLS) id 14.1.225.22; Tue, 12 Jul 2011 14:41:21 +0000 Received: from az33smr02.freescale.net (10.64.34.200) by 039-SN1MMR1-001.039d.mgd.msft.net (10.84.1.13) with Microsoft SMTP Server id 14.1.289.8; Tue, 12 Jul 2011 09:41:21 -0500 Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by az33smr02.freescale.net (8.13.1/8.13.0) with ESMTP id p6CEf4o4027565; Tue, 12 Jul 2011 09:41:19 -0500 (CDT) From: Dong Aisheng To: Subject: [PATCH V2 06/10] ARM: mxs: add saif device Date: Tue, 12 Jul 2011 23:04:41 +0800 Message-ID: <1310483085-31442-7-git-send-email-b29396@freescale.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1310483085-31442-1-git-send-email-b29396@freescale.com> References: <1310483085-31442-1-git-send-email-b29396@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110712_104129_543937_24F2C7F8 X-CRM114-Status: GOOD ( 23.14 ) X-Spam-Score: -0.7 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-0.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [216.32.180.14 listed in list.dnswl.org] Cc: s.hauer@pengutronix.de, broonie@opensource.wolfsonmicro.com, lrg@ti.com, linux-arm-kernel@lists.infradead.org, u.kleine-koenig@pengutronix.de X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Tue, 12 Jul 2011 14:42:53 +0000 (UTC) Signed-off-by: Dong Aisheng Cc: Sascha Hauer --- arch/arm/mach-mxs/Kconfig | 1 + arch/arm/mach-mxs/devices-mx28.h | 3 + arch/arm/mach-mxs/devices/Kconfig | 3 + arch/arm/mach-mxs/devices/Makefile | 1 + arch/arm/mach-mxs/devices/platform-mxs-saif.c | 60 +++++++++++++++++++++++ arch/arm/mach-mxs/include/mach/devices-common.h | 12 +++++ arch/arm/mach-mxs/mach-mx28evk.c | 20 ++++++++ 7 files changed, 100 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index 4cd0231..405c28d 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -48,6 +48,7 @@ config MACH_MX28EVK select MXS_HAVE_PLATFORM_FLEXCAN select MXS_HAVE_PLATFORM_MXS_MMC select MXS_HAVE_PLATFORM_MXSFB + select MXS_HAVE_PLATFORM_MXS_SAIF select MXS_OCOTP help Include support for MX28EVK platform. This includes specific diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 79b9452..c0f21ce 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -45,3 +45,6 @@ extern const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst; struct platform_device *__init mx28_add_mxsfb( const struct mxsfb_platform_data *pdata); + +extern const struct mxs_saif_data mx28_saif_data[] __initconst; +#define mx28_add_saif(id) mxs_add_saif(&mx28_saif_data[id]) diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig index acf9eea..b554371 100644 --- a/arch/arm/mach-mxs/devices/Kconfig +++ b/arch/arm/mach-mxs/devices/Kconfig @@ -23,3 +23,6 @@ config MXS_HAVE_PLATFORM_MXS_PWM config MXS_HAVE_PLATFORM_MXSFB bool + +config MXS_HAVE_PLATFORM_MXS_SAIF + bool diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index 351915c..d3e8cc3 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -8,3 +8,4 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o obj-y += platform-gpio-mxs.o obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o +obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_SAIF) += platform-mxs-saif.o diff --git a/arch/arm/mach-mxs/devices/platform-mxs-saif.c b/arch/arm/mach-mxs/devices/platform-mxs-saif.c new file mode 100644 index 0000000..1ec965e --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-mxs-saif.c @@ -0,0 +1,60 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License version 2 as published by the + * Free Software Foundation. + */ +#include +#include +#include + +#include +#include +#include + +#define mxs_saif_data_entry_single(soc, _id) \ + { \ + .id = _id, \ + .iobase = soc ## _SAIF ## _id ## _BASE_ADDR, \ + .irq = soc ## _INT_SAIF ## _id, \ + .dma = soc ## _DMA_SAIF ## _id, \ + .dmairq = soc ## _INT_SAIF ## _id ##_DMA, \ + } + +#define mxs_saif_data_entry(soc, _id) \ + [_id] = mxs_saif_data_entry_single(soc, _id) + +#ifdef CONFIG_SOC_IMX28 +const struct mxs_saif_data mx28_saif_data[] __initconst = { + mxs_saif_data_entry(MX28, 0), + mxs_saif_data_entry(MX28, 1), +}; +#endif + +struct platform_device *__init mxs_add_saif(const struct mxs_saif_data *data) +{ + struct resource res[] = { + { + .start = data->iobase, + .end = data->iobase + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = data->irq, + .end = data->irq, + .flags = IORESOURCE_IRQ, + }, { + .start = data->dma, + .end = data->dma, + .flags = IORESOURCE_DMA, + }, { + .start = data->dmairq, + .end = data->dmairq, + .flags = IORESOURCE_IRQ, + }, + + }; + + return mxs_add_platform_device("mxs-saif", data->id, res, + ARRAY_SIZE(res), NULL, 0); +} diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index 812d7a8..a8080f4 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -92,3 +92,15 @@ struct platform_device *__init mxs_add_mxs_mmc( /* pwm */ struct platform_device *__init mxs_add_mxs_pwm( resource_size_t iobase, int id); + +/* saif */ +struct mxs_saif_data { + int id; + resource_size_t iobase; + resource_size_t irq; + resource_size_t dma; + resource_size_t dmairq; +}; + +struct platform_device *__init mxs_add_saif( + const struct mxs_saif_data *data); diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c index eaaf6ff..7837a87 100644 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ b/arch/arm/mach-mxs/mach-mx28evk.c @@ -40,6 +40,8 @@ #define MX28EVK_MMC0_SLOT_POWER MXS_GPIO_NR(3, 28) #define MX28EVK_MMC1_SLOT_POWER MXS_GPIO_NR(3, 29) +#define DIGCTRL_BASE_ADDR MX28_IO_ADDRESS(MX28_DIGCTL_BASE_ADDR) + static const iomux_cfg_t mx28evk_pads[] __initconst = { /* duart */ MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL, @@ -183,6 +185,18 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = { /* led */ MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL, + + /* saif0 & saif1 */ + MX28_PAD_SAIF0_MCLK__SAIF0_MCLK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), }; /* led */ @@ -392,6 +406,12 @@ static void __init mx28evk_init(void) mx28_add_mxsfb(&mx28evk_mxsfb_pdata); + mx28_add_saif(0); + mx28_add_saif(1); + + /*set the saif clk mux, both saif0/saif1 use saif0 clk*/ + __raw_writel(0x2 << 10, DIGCTRL_BASE_ADDR); + /* power on mmc slot by writing 0 to the gpio */ ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc0-slot-power");