Commit | Line | Data |
---|---|---|
c625327e RL |
1 | /* |
2 | * linux/arch/arm/mach-omap2/board-am3517evm.c | |
3 | * | |
4 | * Copyright (C) 2009 Texas Instruments Incorporated | |
5 | * Author: Ranjith Lohithakshan <ranjithl@ti.com> | |
6 | * | |
7 | * Based on mach-omap2/board-omap3evm.c | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify it | |
10 | * under the terms of the GNU General Public License as published by the | |
11 | * Free Software Foundation version 2. | |
12 | * | |
13 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind, | |
14 | * whether express or implied; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | */ | |
18 | ||
19 | #include <linux/kernel.h> | |
20 | #include <linux/init.h> | |
21 | #include <linux/platform_device.h> | |
22 | #include <linux/gpio.h> | |
23 | ||
24 | #include <mach/hardware.h> | |
e3d4d0a2 | 25 | #include <mach/am35xx.h> |
c625327e RL |
26 | #include <asm/mach-types.h> |
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/mach/map.h> | |
29 | ||
30 | #include <plat/board.h> | |
31 | #include <plat/common.h> | |
32 | #include <plat/usb.h> | |
c3d33329 | 33 | #include <plat/display.h> |
c625327e | 34 | |
ca5742bd TL |
35 | #include "mux.h" |
36 | ||
c3d33329 VH |
37 | #define LCD_PANEL_PWR 176 |
38 | #define LCD_PANEL_BKLIGHT_PWR 182 | |
39 | #define LCD_PANEL_PWM 181 | |
40 | ||
41 | static int lcd_enabled; | |
42 | static int dvi_enabled; | |
43 | ||
44 | static void __init am3517_evm_display_init(void) | |
45 | { | |
46 | int r; | |
47 | ||
48 | omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP); | |
49 | omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN); | |
50 | omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN); | |
51 | /* | |
52 | * Enable GPIO 182 = LCD Backlight Power | |
53 | */ | |
54 | r = gpio_request(LCD_PANEL_BKLIGHT_PWR, "lcd_backlight_pwr"); | |
55 | if (r) { | |
56 | printk(KERN_ERR "failed to get lcd_backlight_pwr\n"); | |
57 | return; | |
58 | } | |
59 | gpio_direction_output(LCD_PANEL_BKLIGHT_PWR, 1); | |
60 | /* | |
61 | * Enable GPIO 181 = LCD Panel PWM | |
62 | */ | |
63 | r = gpio_request(LCD_PANEL_PWM, "lcd_pwm"); | |
64 | if (r) { | |
65 | printk(KERN_ERR "failed to get lcd_pwm\n"); | |
66 | goto err_1; | |
67 | } | |
68 | gpio_direction_output(LCD_PANEL_PWM, 1); | |
69 | /* | |
70 | * Enable GPIO 176 = LCD Panel Power enable pin | |
71 | */ | |
72 | r = gpio_request(LCD_PANEL_PWR, "lcd_panel_pwr"); | |
73 | if (r) { | |
74 | printk(KERN_ERR "failed to get lcd_panel_pwr\n"); | |
75 | goto err_2; | |
76 | } | |
77 | gpio_direction_output(LCD_PANEL_PWR, 1); | |
78 | ||
79 | printk(KERN_INFO "Display initialized successfully\n"); | |
80 | return; | |
81 | ||
82 | err_2: | |
83 | gpio_free(LCD_PANEL_PWM); | |
84 | err_1: | |
85 | gpio_free(LCD_PANEL_BKLIGHT_PWR); | |
86 | } | |
87 | ||
88 | static int am3517_evm_panel_enable_lcd(struct omap_dss_device *dssdev) | |
89 | { | |
90 | if (dvi_enabled) { | |
91 | printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); | |
92 | return -EINVAL; | |
93 | } | |
94 | gpio_set_value(LCD_PANEL_PWR, 1); | |
95 | lcd_enabled = 1; | |
96 | ||
97 | return 0; | |
98 | } | |
99 | ||
100 | static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev) | |
101 | { | |
102 | gpio_set_value(LCD_PANEL_PWR, 0); | |
103 | lcd_enabled = 0; | |
104 | } | |
105 | ||
106 | static struct omap_dss_device am3517_evm_lcd_device = { | |
107 | .type = OMAP_DISPLAY_TYPE_DPI, | |
108 | .name = "lcd", | |
109 | .driver_name = "sharp_lq_panel", | |
110 | .phy.dpi.data_lines = 16, | |
111 | .platform_enable = am3517_evm_panel_enable_lcd, | |
112 | .platform_disable = am3517_evm_panel_disable_lcd, | |
113 | }; | |
114 | ||
115 | static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev) | |
116 | { | |
117 | return 0; | |
118 | } | |
119 | ||
120 | static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev) | |
121 | { | |
122 | } | |
123 | ||
124 | static struct omap_dss_device am3517_evm_tv_device = { | |
125 | .type = OMAP_DISPLAY_TYPE_VENC, | |
126 | .name = "tv", | |
127 | .driver_name = "venc", | |
128 | .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, | |
129 | .platform_enable = am3517_evm_panel_enable_tv, | |
130 | .platform_disable = am3517_evm_panel_disable_tv, | |
131 | }; | |
132 | ||
133 | static int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev) | |
134 | { | |
135 | if (lcd_enabled) { | |
136 | printk(KERN_ERR "cannot enable DVI, LCD is enabled\n"); | |
137 | return -EINVAL; | |
138 | } | |
139 | dvi_enabled = 1; | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
144 | static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev) | |
145 | { | |
146 | dvi_enabled = 0; | |
147 | } | |
148 | ||
149 | static struct omap_dss_device am3517_evm_dvi_device = { | |
150 | .type = OMAP_DISPLAY_TYPE_DPI, | |
151 | .name = "dvi", | |
152 | .driver_name = "generic_panel", | |
153 | .phy.dpi.data_lines = 24, | |
154 | .platform_enable = am3517_evm_panel_enable_dvi, | |
155 | .platform_disable = am3517_evm_panel_disable_dvi, | |
156 | }; | |
157 | ||
158 | static struct omap_dss_device *am3517_evm_dss_devices[] = { | |
159 | &am3517_evm_lcd_device, | |
160 | &am3517_evm_tv_device, | |
161 | &am3517_evm_dvi_device, | |
162 | }; | |
163 | ||
164 | static struct omap_dss_board_info am3517_evm_dss_data = { | |
165 | .num_devices = ARRAY_SIZE(am3517_evm_dss_devices), | |
166 | .devices = am3517_evm_dss_devices, | |
167 | .default_device = &am3517_evm_lcd_device, | |
168 | }; | |
169 | ||
170 | struct platform_device am3517_evm_dss_device = { | |
171 | .name = "omapdss", | |
172 | .id = -1, | |
173 | .dev = { | |
174 | .platform_data = &am3517_evm_dss_data, | |
175 | }, | |
176 | }; | |
177 | ||
c625327e RL |
178 | /* |
179 | * Board initialization | |
180 | */ | |
181 | static struct omap_board_config_kernel am3517_evm_config[] __initdata = { | |
182 | }; | |
183 | ||
184 | static struct platform_device *am3517_evm_devices[] __initdata = { | |
c3d33329 | 185 | &am3517_evm_dss_device, |
c625327e RL |
186 | }; |
187 | ||
188 | static void __init am3517_evm_init_irq(void) | |
189 | { | |
190 | omap_board_config = am3517_evm_config; | |
191 | omap_board_config_size = ARRAY_SIZE(am3517_evm_config); | |
192 | ||
193 | omap2_init_common_hw(NULL, NULL); | |
194 | omap_init_irq(); | |
195 | omap_gpio_init(); | |
196 | } | |
197 | ||
198 | static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = { | |
199 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, | |
200 | .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, | |
201 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
202 | ||
203 | .phy_reset = true, | |
204 | .reset_gpio_port[0] = 57, | |
205 | .reset_gpio_port[1] = -EINVAL, | |
206 | .reset_gpio_port[2] = -EINVAL | |
207 | }; | |
208 | ||
ca5742bd TL |
209 | #ifdef CONFIG_OMAP_MUX |
210 | static struct omap_board_mux board_mux[] __initdata = { | |
211 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
212 | }; | |
213 | #else | |
214 | #define board_mux NULL | |
215 | #endif | |
216 | ||
c625327e RL |
217 | static void __init am3517_evm_init(void) |
218 | { | |
ca5742bd | 219 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
c625327e RL |
220 | platform_add_devices(am3517_evm_devices, |
221 | ARRAY_SIZE(am3517_evm_devices)); | |
222 | ||
223 | omap_serial_init(); | |
224 | usb_ehci_init(&ehci_pdata); | |
c3d33329 VH |
225 | /* DSS */ |
226 | am3517_evm_display_init(); | |
c625327e RL |
227 | } |
228 | ||
229 | static void __init am3517_evm_map_io(void) | |
230 | { | |
231 | omap2_set_globals_343x(); | |
6fbd55d0 | 232 | omap34xx_map_common_io(); |
c625327e RL |
233 | } |
234 | ||
235 | MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM") | |
236 | .phys_io = 0x48000000, | |
237 | .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, | |
238 | .boot_params = 0x80000100, | |
239 | .map_io = am3517_evm_map_io, | |
240 | .init_irq = am3517_evm_init_irq, | |
241 | .init_machine = am3517_evm_init, | |
242 | .timer = &omap_timer, | |
243 | MACHINE_END |