1#include <linux/platform_device.h>
2#include <linux/mtd/mtd.h>
3#include <linux/mtd/physmap.h>
4#include <linux/gpio.h>
5#include <linux/leds.h>
6
7#include <mach/common.h>
8#include <mach/hardware.h>
9#include <asm/mach-types.h>
10#include <asm/mach/arch.h>
11#include <asm/mach/time.h>
12#include <asm/mach/map.h>
13#include <mach/imx-uart.h>
14#include <mach/imxfb.h>
15#include <mach/iomux-mx21.h>
16#include <mach/board-vp6500.h>
17
18#include "devices.h"
19
20#include <linux/input.h>
21#include <linux/input/matrix_keypad.h>
22#include <linux/gpio_keys.h>
23#include <linux/pwm_backlight.h>
24
25static unsigned int vp6500_pins[] = {
26	/* UART1 */
27	PE12_PF_UART1_TXD,
28	PE13_PF_UART1_RXD,
29
30#if 0
31	/* LCDC */
32	PA5_PF_LSCLK,
33	PA6_PF_LD0,
34	PA7_PF_LD1,
35	PA8_PF_LD2,
36	PA9_PF_LD3,
37	PA10_PF_LD4,
38	PA11_PF_LD5,
39	PA12_PF_LD6,
40	PA13_PF_LD7,
41	PA14_PF_LD8,
42	PA15_PF_LD9,
43	PA16_PF_LD10,
44	PA17_PF_LD11,
45	PA18_PF_LD12,
46	PA19_PF_LD13,
47	PA20_PF_LD14,
48	PA21_PF_LD15,
49	PA22_PF_LD16,
50	PA28_PF_HSYNC,
51	PA29_PF_VSYNC,
52	PA30_PF_CONTRAST,
53	PA31_PF_OE_ACD,
54#endif
55
56	/* LCD Backlight */
57	PE5_PF_PWMO,
58	VP6500_GPIO_BACKLIGHT_EN | GPIO_GPIO | GPIO_OUT,
59};
60
61/* Flash */
62
63static struct physmap_flash_data vp6500_flash_data = {
64	.width = 2,
65};
66
67static struct resource vp6500_flash_resource = {
68	.start = MX21_CS0_BASE_ADDR,
69	.end = MX21_CS0_BASE_ADDR + SZ_64M - 1,
70	.flags = IORESOURCE_MEM,
71};
72
73static struct platform_device vp6500_nor_mtd_device = {
74	.name = "physmap-flash",
75	.id = -1,
76	.dev = {
77		.platform_data = &vp6500_flash_data,
78	},
79	.num_resources = 1,
80	.resource = &vp6500_flash_resource,
81};
82
83/* LEDs */
84
85static struct gpio_led vp6500_leds[] = {
86	{
87		.name = "vp6500:orange:keypad",
88		.gpio = VP6500_GPIO_LED_KEYPAD,
89	},
90	{
91		.name = "vp6500:green:",
92		.gpio = VP6500_GPIO_LED_GREEN,
93		.active_low = 1,
94		.default_state = LEDS_GPIO_DEFSTATE_ON,
95	},
96	{
97		.name = "vp6500:red:",
98		.gpio = VP6500_GPIO_LED_RED,
99	},
100	{
101		.name = "vp6500:red:camera",
102		.gpio = VP6500_GPIO_LED_CAMERA,
103	},
104};
105
106static struct gpio_led_platform_data vp6500_leds_data = {
107	.leds		= vp6500_leds,
108	.num_leds	= ARRAY_SIZE(vp6500_leds),
109};
110
111static struct platform_device vp6500_leds_device = {
112	.name = "leds-gpio",
113	.id = -1,
114	.dev = {
115		.platform_data = &vp6500_leds_data,
116	},
117};
118
119/* Keypad */
120
121static const uint32_t vp6500_keypad_keys[] = {
122	KEY(0, 3, KEY_F2),
123	KEY(0, 4, KEY_RIGHT),
124	KEY(1, 0, KEY_ZOOM),
125	KEY(1, 1, KEY_NUMERIC_POUND),
126	KEY(1, 2, KEY_0),
127	KEY(1, 3, KEY_ENTER),
128	KEY(1, 4, KEY_8),
129	KEY(2, 0, KEY_5),
130	KEY(2, 1, KEY_2),
131	KEY(2, 2, KEY_DOWN),
132	KEY(2, 3, KEY_OK),
133	KEY(2, 4, KEY_UP),
134	KEY(3, 0, KEY_CAMERA),
135	KEY(3, 1, KEY_NUMERIC_STAR),
136	KEY(3, 2, KEY_9),
137	KEY(3, 3, KEY_LEFT),
138	KEY(3, 4, KEY_6),
139	KEY(4, 0, KEY_7),
140	KEY(4, 1, KEY_4),
141	KEY(4, 2, KEY_1),
142	KEY(4, 3, KEY_3),
143	KEY(4, 4, KEY_F1),
144};
145
146static struct matrix_keymap_data vp6500_keypad_data = {
147	.keymap = vp6500_keypad_keys,
148	.keymap_size = ARRAY_SIZE(vp6500_keypad_keys),
149};
150
151static struct resource vp6500_keypad_resources[] = {
152	{
153		.start = MX21_KPP_BASE_ADDR,
154		.end = MX21_KPP_BASE_ADDR + 0x10 - 1,
155		.flags = IORESOURCE_MEM,
156	},
157	{
158		.start = MX21_INT_KPP,
159		.flags = IORESOURCE_IRQ,
160	}
161};
162
163static struct platform_device vp6500_keypad_device = {
164	.name = "imx-keypad",
165	.id = 0,
166	.dev = {
167		.platform_data = &vp6500_keypad_data,
168	},
169	.resource = vp6500_keypad_resources,
170	.num_resources = ARRAY_SIZE(vp6500_keypad_resources),
171};
172
173static struct gpio_keys_button vp6500_keys = {
174	.gpio = VP6500_GPIO_POWER_KEY,
175	.code = KEY_POWER,
176	.desc = "Power button",
177	.active_low = 1,
178};
179
180static struct gpio_keys_platform_data vp6500_key_data = {
181	.buttons = &vp6500_keys,
182	.nbuttons = 1,
183};
184
185static struct platform_device vp6500_key_device = {
186	.name = "gpio-keys",
187	.id = -1,
188	.dev = {
189		.platform_data = &vp6500_key_data,
190	},
191};
192
193/* LCD backlight */
194
195static int vp6500_backlight_notify(struct device *dev, int brightness)
196{
197	gpio_set_value(VP6500_GPIO_BACKLIGHT_EN, !!brightness);
198
199	return brightness;
200}
201
202static struct platform_pwm_backlight_data vp6500_backlight_data = {
203	.max_brightness = 255,
204	.dft_brightness = 100,
205	.pwm_period_ns = 15000000,
206	.notify = vp6500_backlight_notify,
207};
208
209static struct platform_device vp6500_backlight_device = {
210	.name = "pwm-backlight",
211	.id = -1,
212	.dev = {
213		.parent = &mxc_pwm_device.dev,
214		.platform_data = &vp6500_backlight_data,
215	},
216};
217
218
219static struct platform_device *platform_devices[] __initdata = {
220	&vp6500_nor_mtd_device,
221	&vp6500_leds_device,
222	&vp6500_keypad_device,
223	&vp6500_key_device,
224	&vp6500_backlight_device,
225};
226
227static void __init vp6500_board_init(void)
228{
229	mxc_gpio_setup_multiple_pins(vp6500_pins, ARRAY_SIZE(vp6500_pins),
230			"vp6500");
231
232	mxc_register_device(&mxc_uart_device0, NULL);
233	mxc_register_device(&mxc_pwm_device, NULL);
234
235	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
236}
237
238static void __init vp6500_timer_init(void)
239{
240	mx21_clocks_init(32768, 26000000);
241}
242
243static struct sys_timer vp6500_timer = {
244	.init	= vp6500_timer_init,
245};
246
247MACHINE_START(VP6500, "Phillips VP6500")
248	.phys_io        = MX21_AIPI_BASE_ADDR,
249	.io_pg_offst    = ((MX21_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
250	.boot_params    = MX21_PHYS_OFFSET + 0x100,
251	.map_io         = mx21_map_io,
252	.init_irq       = mx21_init_irq,
253	.init_machine   = vp6500_board_init,
254	.timer          = &vp6500_timer,
255MACHINE_END
256