diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-overo.c')
-rw-r--r-- | arch/arm/mach-omap2/board-overo.c | 137 |
1 files changed, 135 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 82b3dc557c96..b1f23bea863f 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c | |||
@@ -37,20 +37,149 @@ | |||
37 | #include <asm/mach/flash.h> | 37 | #include <asm/mach/flash.h> |
38 | #include <asm/mach/map.h> | 38 | #include <asm/mach/map.h> |
39 | 39 | ||
40 | #include <mach/board-overo.h> | ||
41 | #include <mach/board.h> | 40 | #include <mach/board.h> |
42 | #include <mach/common.h> | 41 | #include <mach/common.h> |
43 | #include <mach/gpio.h> | 42 | #include <mach/gpio.h> |
44 | #include <mach/gpmc.h> | 43 | #include <mach/gpmc.h> |
45 | #include <mach/hardware.h> | 44 | #include <mach/hardware.h> |
46 | #include <mach/nand.h> | 45 | #include <mach/nand.h> |
46 | #include <mach/usb.h> | ||
47 | 47 | ||
48 | #include "mmc-twl4030.h" | 48 | #include "mmc-twl4030.h" |
49 | 49 | ||
50 | #define OVERO_GPIO_BT_XGATE 15 | ||
51 | #define OVERO_GPIO_W2W_NRESET 16 | ||
52 | #define OVERO_GPIO_BT_NRESET 164 | ||
53 | #define OVERO_GPIO_USBH_CPEN 168 | ||
54 | #define OVERO_GPIO_USBH_NRESET 183 | ||
55 | |||
50 | #define NAND_BLOCK_SIZE SZ_128K | 56 | #define NAND_BLOCK_SIZE SZ_128K |
51 | #define GPMC_CS0_BASE 0x60 | 57 | #define GPMC_CS0_BASE 0x60 |
52 | #define GPMC_CS_SIZE 0x30 | 58 | #define GPMC_CS_SIZE 0x30 |
53 | 59 | ||
60 | #define OVERO_SMSC911X_CS 5 | ||
61 | #define OVERO_SMSC911X_GPIO 176 | ||
62 | |||
63 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ | ||
64 | defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | ||
65 | |||
66 | #include <mach/mcspi.h> | ||
67 | #include <linux/spi/spi.h> | ||
68 | #include <linux/spi/ads7846.h> | ||
69 | |||
70 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | ||
71 | .turbo_mode = 0, | ||
72 | .single_channel = 1, /* 0: slave, 1: master */ | ||
73 | }; | ||
74 | |||
75 | static int ads7846_get_pendown_state(void) | ||
76 | { | ||
77 | return !gpio_get_value(OVERO_GPIO_PENDOWN); | ||
78 | } | ||
79 | |||
80 | static struct ads7846_platform_data ads7846_config = { | ||
81 | .x_max = 0x0fff, | ||
82 | .y_max = 0x0fff, | ||
83 | .x_plate_ohms = 180, | ||
84 | .pressure_max = 255, | ||
85 | .debounce_max = 10, | ||
86 | .debounce_tol = 3, | ||
87 | .debounce_rep = 1, | ||
88 | .get_pendown_state = ads7846_get_pendown_state, | ||
89 | .keep_vref_on = 1, | ||
90 | }; | ||
91 | |||
92 | static struct spi_board_info overo_spi_board_info[] __initdata = { | ||
93 | { | ||
94 | .modalias = "ads7846", | ||
95 | .bus_num = 1, | ||
96 | .chip_select = 0, | ||
97 | .max_speed_hz = 1500000, | ||
98 | .controller_data = &ads7846_mcspi_config, | ||
99 | .irq = OMAP_GPIO_IRQ(OVERO_GPIO_PENDOWN), | ||
100 | .platform_data = &ads7846_config, | ||
101 | } | ||
102 | }; | ||
103 | |||
104 | static void __init overo_ads7846_init(void) | ||
105 | { | ||
106 | if ((gpio_request(OVERO_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) && | ||
107 | (gpio_direction_input(OVERO_GPIO_PENDOWN) == 0)) { | ||
108 | gpio_export(OVERO_GPIO_PENDOWN, 0); | ||
109 | } else { | ||
110 | printk(KERN_ERR "could not obtain gpio for ADS7846_PENDOWN\n"); | ||
111 | return; | ||
112 | } | ||
113 | |||
114 | spi_register_board_info(overo_spi_board_info, | ||
115 | ARRAY_SIZE(overo_spi_board_info)); | ||
116 | } | ||
117 | |||
118 | #else | ||
119 | static inline void __init overo_ads7846_init(void) { return; } | ||
120 | #endif | ||
121 | |||
122 | #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) | ||
123 | |||
124 | #include <linux/smsc911x.h> | ||
125 | |||
126 | static struct resource overo_smsc911x_resources[] = { | ||
127 | { | ||
128 | .name = "smsc911x-memory", | ||
129 | .flags = IORESOURCE_MEM, | ||
130 | }, | ||
131 | { | ||
132 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | ||
133 | }, | ||
134 | }; | ||
135 | |||
136 | static struct smsc911x_platform_config overo_smsc911x_config = { | ||
137 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | ||
138 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | ||
139 | .flags = SMSC911X_USE_32BIT , | ||
140 | .phy_interface = PHY_INTERFACE_MODE_MII, | ||
141 | }; | ||
142 | |||
143 | static struct platform_device overo_smsc911x_device = { | ||
144 | .name = "smsc911x", | ||
145 | .id = -1, | ||
146 | .num_resources = ARRAY_SIZE(overo_smsc911x_resources), | ||
147 | .resource = &overo_smsc911x_resources, | ||
148 | .dev = { | ||
149 | .platform_data = &overo_smsc911x_config, | ||
150 | }, | ||
151 | }; | ||
152 | |||
153 | static inline void __init overo_init_smsc911x(void) | ||
154 | { | ||
155 | unsigned long cs_mem_base; | ||
156 | |||
157 | if (gpmc_cs_request(OVERO_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) { | ||
158 | printk(KERN_ERR "Failed request for GPMC mem for smsc911x\n"); | ||
159 | return; | ||
160 | } | ||
161 | |||
162 | overo_smsc911x_resources[0].start = cs_mem_base + 0x0; | ||
163 | overo_smsc911x_resources[0].end = cs_mem_base + 0xff; | ||
164 | |||
165 | if ((gpio_request(OVERO_SMSC911X_GPIO, "SMSC911X IRQ") == 0) && | ||
166 | (gpio_direction_input(OVERO_SMSC911X_GPIO) == 0)) { | ||
167 | gpio_export(OVERO_SMSC911X_GPIO, 0); | ||
168 | } else { | ||
169 | printk(KERN_ERR "could not obtain gpio for SMSC911X IRQ\n"); | ||
170 | return; | ||
171 | } | ||
172 | |||
173 | overo_smsc911x_resources[1].start = OMAP_GPIO_IRQ(OVERO_SMSC911X_GPIO); | ||
174 | overo_smsc911x_resources[1].end = 0; | ||
175 | |||
176 | platform_device_register(&overo_smsc911x_device); | ||
177 | } | ||
178 | |||
179 | #else | ||
180 | static inline void __init overo_init_smsc911x(void) { return; } | ||
181 | #endif | ||
182 | |||
54 | static struct mtd_partition overo_nand_partitions[] = { | 183 | static struct mtd_partition overo_nand_partitions[] = { |
55 | { | 184 | { |
56 | .name = "xloader", | 185 | .name = "xloader", |
@@ -174,7 +303,7 @@ static int __init overo_i2c_init(void) | |||
174 | 303 | ||
175 | static void __init overo_init_irq(void) | 304 | static void __init overo_init_irq(void) |
176 | { | 305 | { |
177 | omap2_init_common_hw(); | 306 | omap2_init_common_hw(NULL); |
178 | omap_init_irq(); | 307 | omap_init_irq(); |
179 | omap_gpio_init(); | 308 | omap_gpio_init(); |
180 | } | 309 | } |
@@ -209,6 +338,7 @@ static struct twl4030_hsmmc_info mmc[] __initdata = { | |||
209 | .wires = 4, | 338 | .wires = 4, |
210 | .gpio_cd = -EINVAL, | 339 | .gpio_cd = -EINVAL, |
211 | .gpio_wp = -EINVAL, | 340 | .gpio_wp = -EINVAL, |
341 | .transceiver = true, | ||
212 | }, | 342 | }, |
213 | {} /* Terminator */ | 343 | {} /* Terminator */ |
214 | }; | 344 | }; |
@@ -222,6 +352,9 @@ static void __init overo_init(void) | |||
222 | omap_serial_init(); | 352 | omap_serial_init(); |
223 | twl4030_mmc_init(mmc); | 353 | twl4030_mmc_init(mmc); |
224 | overo_flash_init(); | 354 | overo_flash_init(); |
355 | usb_musb_init(); | ||
356 | overo_ads7846_init(); | ||
357 | overo_init_smsc911x(); | ||
225 | 358 | ||
226 | if ((gpio_request(OVERO_GPIO_W2W_NRESET, | 359 | if ((gpio_request(OVERO_GPIO_W2W_NRESET, |
227 | "OVERO_GPIO_W2W_NRESET") == 0) && | 360 | "OVERO_GPIO_W2W_NRESET") == 0) && |