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authorDaniel Mack <daniel@caiaq.de>2009-11-19 06:02:08 -0500
committerSascha Hauer <s.hauer@pengutronix.de>2009-11-19 11:11:01 -0500
commit84677d114a7bcba11981a76ee60498a1b41d9d94 (patch)
tree9481c8f960341f955ac7a25f039e2f8b1d8fb97e /arch/arm/mach-mx3/mx31lite.c
parent364cd540f036f106d886a9c51ae05e9a9bacf051 (diff)
ARM: MX3: add SPI devices for mx31lite
Some header files were reordered while I was at it. The only device currently registered is the ATLAS PMIC (MC13783) chip. Signed-off-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3/mx31lite.c')
-rw-r--r--arch/arm/mach-mx3/mx31lite.c49
1 files changed, 47 insertions, 2 deletions
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mx31lite.c
index dc993a878161..03762a36d29f 100644
--- a/arch/arm/mach-mx3/mx31lite.c
+++ b/arch/arm/mach-mx3/mx31lite.c
@@ -2,6 +2,7 @@
2 * Copyright (C) 2000 Deep Blue Solutions Ltd 2 * Copyright (C) 2000 Deep Blue Solutions Ltd
3 * Copyright (C) 2002 Shane Nay (shane@minirl.com) 3 * Copyright (C) 2002 Shane Nay (shane@minirl.com)
4 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. 4 * Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
5 * Copyright (C) 2009 Daniel Mack <daniel@caiaq.de>
5 * 6 *
6 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
@@ -25,20 +26,25 @@
25#include <linux/platform_device.h> 26#include <linux/platform_device.h>
26#include <linux/gpio.h> 27#include <linux/gpio.h>
27#include <linux/smsc911x.h> 28#include <linux/smsc911x.h>
29#include <linux/mfd/mc13783.h>
30#include <linux/spi/spi.h>
28 31
29#include <mach/hardware.h>
30#include <asm/mach-types.h> 32#include <asm/mach-types.h>
31#include <asm/mach/arch.h> 33#include <asm/mach/arch.h>
32#include <asm/mach/time.h> 34#include <asm/mach/time.h>
33#include <asm/mach/map.h> 35#include <asm/mach/map.h>
34#include <mach/common.h>
35#include <asm/page.h> 36#include <asm/page.h>
36#include <asm/setup.h> 37#include <asm/setup.h>
38
39#include <mach/hardware.h>
40#include <mach/common.h>
37#include <mach/board-mx31lite.h> 41#include <mach/board-mx31lite.h>
38#include <mach/imx-uart.h> 42#include <mach/imx-uart.h>
39#include <mach/iomux-mx3.h> 43#include <mach/iomux-mx3.h>
40#include <mach/irqs.h> 44#include <mach/irqs.h>
41#include <mach/mxc_nand.h> 45#include <mach/mxc_nand.h>
46#include <mach/spi.h>
47
42#include "devices.h" 48#include "devices.h"
43 49
44/* 50/*
@@ -48,6 +54,14 @@
48static unsigned int mx31lite_pins[] = { 54static unsigned int mx31lite_pins[] = {
49 /* LAN9117 IRQ pin */ 55 /* LAN9117 IRQ pin */
50 IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO), 56 IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_GPIO),
57 /* SPI 1 */
58 MX31_PIN_CSPI2_SCLK__SCLK,
59 MX31_PIN_CSPI2_MOSI__MOSI,
60 MX31_PIN_CSPI2_MISO__MISO,
61 MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
62 MX31_PIN_CSPI2_SS0__SS0,
63 MX31_PIN_CSPI2_SS1__SS1,
64 MX31_PIN_CSPI2_SS2__SS2,
51}; 65};
52 66
53static struct mxc_nand_platform_data mx31lite_nand_board_info = { 67static struct mxc_nand_platform_data mx31lite_nand_board_info = {
@@ -84,6 +98,35 @@ static struct platform_device smsc911x_device = {
84}; 98};
85 99
86/* 100/*
101 * SPI
102 *
103 * The MC13783 is the only hard-wired SPI device on the module.
104 */
105
106static int spi_internal_chipselect[] = {
107 MXC_SPI_CS(0),
108};
109
110static struct spi_imx_master spi1_pdata = {
111 .chipselect = spi_internal_chipselect,
112 .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
113};
114
115static struct mc13783_platform_data mc13783_pdata __initdata = {
116 .flags = MC13783_USE_RTC |
117 MC13783_USE_REGULATOR,
118};
119
120static struct spi_board_info mc13783_spi_dev __initdata = {
121 .modalias = "mc13783",
122 .max_speed_hz = 1000000,
123 .bus_num = 1,
124 .chip_select = 0,
125 .platform_data = &mc13783_pdata,
126 .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
127};
128
129/*
87 * This structure defines the MX31 memory map. 130 * This structure defines the MX31 memory map.
88 */ 131 */
89static struct map_desc mx31lite_io_desc[] __initdata = { 132static struct map_desc mx31lite_io_desc[] __initdata = {
@@ -131,6 +174,8 @@ static void __init mxc_board_init(void)
131 "mx31lite"); 174 "mx31lite");
132 175
133 mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info); 176 mxc_register_device(&mxc_nand_device, &mx31lite_nand_board_info);
177 mxc_register_device(&mxc_spi_device1, &spi1_pdata);
178 spi_register_board_info(&mc13783_spi_dev, 1);
134 179
135 /* SMSC9117 IRQ pin */ 180 /* SMSC9117 IRQ pin */
136 ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq"); 181 ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_SFS6), "sms9117-irq");