ARM: MX3: add SPI devices for mx31lite

[pandora-kernel.git] / arch / arm / mach-mx3 / mx31lite.c

diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
index dc993a8..03762a3 100644 (file)
--- a/arch/arm/mach-mx3/mx31lite.c
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -2,6 +2,7 @@
  *  Copyright (C) 2000 Deep Blue Solutions Ltd
  *  Copyright (C) 2002 Shane Nay (shane@minirl.com)
  *  Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *  Copyright (C) 2009 Daniel Mack <daniel@caiaq.de>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -25,20 +26,25 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/smsc911x.h>
+#include <linux/mfd/mc13783.h>
+#include <linux/spi/spi.h>
 
-#include <mach/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
 #include <asm/mach/map.h>
-#include <mach/common.h>
 #include <asm/page.h>
 #include <asm/setup.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
 #include <mach/board-mx31lite.h>
 #include <mach/imx-uart.h>
 #include <mach/iomux-mx3.h>
 #include <mach/irqs.h>
 #include <mach/mxc_nand.h>
+#include <mach/spi.h>
+
 #include "devices.h"
 
 /*
@@ -48,6 +54,14 @@
 static unsigned int mx31lite_pins[] = {
        /* LAN9117 IRQ pin */
        IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
+       /* SPI 1 */
+       MX31_PIN_CSPI2_SCLK__SCLK,
+       MX31_PIN_CSPI2_MOSI__MOSI,
+       MX31_PIN_CSPI2_MISO__MISO,
+       MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
+       MX31_PIN_CSPI2_SS0__SS0,
+       MX31_PIN_CSPI2_SS1__SS1,
+       MX31_PIN_CSPI2_SS2__SS2,
 };
 
 static struct mxc_nand_platform_data mx31lite_nand_board_info = {
@@ -83,6 +97,35 @@ static struct platform_device smsc911x_device = {
        },
 };
 
+/*
+ * SPI
+ *
+ * The MC13783 is the only hard-wired SPI device on the module.
+ */
+
+static int spi_internal_chipselect[] = {
+       MXC_SPI_CS(0),
+};
+
+static struct spi_imx_master spi1_pdata = {
+       .chipselect     = spi_internal_chipselect,
+       .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
+};
+
+static struct mc13783_platform_data mc13783_pdata __initdata = {
+       .flags  = MC13783_USE_RTC |
+                 MC13783_USE_REGULATOR,
+};
+
+static struct spi_board_info mc13783_spi_dev __initdata = {
+       .modalias       = "mc13783",
+       .max_speed_hz   = 1000000,
+       .bus_num        = 1,
+       .chip_select    = 0,
+       .platform_data  = &mc13783_pdata,
+       .irq            = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
+};
+
 /*
  * This structure defines the MX31 memory map.
  */
@@ -131,6 +174,8 @@ static void __init mxc_board_init(void)
                                      "mx31lite");
 
        mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info);
+       mxc_register_device(&mxc_spi_device1, &spi1_pdata);
+       spi_register_board_info(&mc13783_spi_dev, 1);
 
        /* SMSC9117 IRQ pin */
        ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");