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authorTony Lindgren <tony@atomide.com>2006-04-02 12:46:30 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-04-02 12:46:30 -0400
commit9b6553cd01ce3ea7a6a532f7b7e62e3535d6b102 (patch)
tree8b8bf4682ecf602fc35cd98e4ea2e888519b20cb /arch/arm/mach-omap1/board-nokia770.c
parent120db2cba8e40c562e5a4aea44ede2f360a5de75 (diff)
[ARM] 3433/1: ARM: OMAP: 8/8 Update board files
Patch from Tony Lindgren This patch syncs OMAP board support with linux-omap tree. The highlights of the patch are: - Add support for Nokia 770 by Juha Yrjola - Add support for Samsung Apollon by Kyungmin Park - Add support for Amstrad E3 videophone by Jonathan McDowell - Remove board-netstar.c board support as requested by Ladislav Michl - Do platform_device registration in board files by Komal Shah et al. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-omap1/board-nokia770.c')
-rw-r--r--arch/arm/mach-omap1/board-nokia770.c268
1 files changed, 268 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
new file mode 100644
index 000000000000..02b980d77b12
--- /dev/null
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -0,0 +1,268 @@
1/*
2 * linux/arch/arm/mach-omap1/board-nokia770.c
3 *
4 * Modified from board-generic.c
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/platform_device.h>
14#include <linux/input.h>
15#include <linux/clk.h>
16
17#include <linux/spi/spi.h>
18#include <linux/spi/ads7846.h>
19
20#include <asm/hardware.h>
21#include <asm/mach-types.h>
22#include <asm/mach/arch.h>
23#include <asm/mach/map.h>
24
25#include <asm/arch/gpio.h>
26#include <asm/arch/mux.h>
27#include <asm/arch/usb.h>
28#include <asm/arch/board.h>
29#include <asm/arch/keypad.h>
30#include <asm/arch/common.h>
31#include <asm/arch/dsp_common.h>
32#include <asm/arch/aic23.h>
33#include <asm/arch/gpio.h>
34
35static void __init omap_nokia770_init_irq(void)
36{
37 /* On Nokia 770, the SleepX signal is masked with an
38 * MPUIO line by default. It has to be unmasked for it
39 * to become functional */
40
41 /* SleepX mask direction */
42 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
43 /* Unmask SleepX signal */
44 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
45
46 omap1_init_common_hw();
47 omap_init_irq();
48}
49
50static int nokia770_keymap[] = {
51 KEY(0, 1, GROUP_0 | KEY_UP),
52 KEY(0, 2, GROUP_1 | KEY_F5),
53 KEY(1, 0, GROUP_0 | KEY_LEFT),
54 KEY(1, 1, GROUP_0 | KEY_ENTER),
55 KEY(1, 2, GROUP_0 | KEY_RIGHT),
56 KEY(2, 0, GROUP_1 | KEY_ESC),
57 KEY(2, 1, GROUP_0 | KEY_DOWN),
58 KEY(2, 2, GROUP_1 | KEY_F4),
59 KEY(3, 0, GROUP_2 | KEY_F7),
60 KEY(3, 1, GROUP_2 | KEY_F8),
61 KEY(3, 2, GROUP_2 | KEY_F6),
62 0
63};
64
65static struct resource nokia770_kp_resources[] = {
66 [0] = {
67 .start = INT_KEYBOARD,
68 .end = INT_KEYBOARD,
69 .flags = IORESOURCE_IRQ,
70 },
71};
72
73static struct omap_kp_platform_data nokia770_kp_data = {
74 .rows = 8,
75 .cols = 8,
76 .keymap = nokia770_keymap
77};
78
79static struct platform_device nokia770_kp_device = {
80 .name = "omap-keypad",
81 .id = -1,
82 .dev = {
83 .platform_data = &nokia770_kp_data,
84 },
85 .num_resources = ARRAY_SIZE(nokia770_kp_resources),
86 .resource = nokia770_kp_resources,
87};
88
89static struct platform_device *nokia770_devices[] __initdata = {
90 &nokia770_kp_device,
91};
92
93static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
94 .x_max = 0x0fff,
95 .y_max = 0x0fff,
96 .x_plate_ohms = 180,
97 .pressure_max = 255,
98 .debounce_max = 10,
99 .debounce_tol = 3,
100};
101
102static struct spi_board_info nokia770_spi_board_info[] __initdata = {
103 [0] = {
104 .modalias = "lcd_lph8923",
105 .bus_num = 2,
106 .chip_select = 3,
107 .max_speed_hz = 12000000,
108 },
109 [1] = {
110 .modalias = "ads7846",
111 .bus_num = 2,
112 .chip_select = 0,
113 .max_speed_hz = 2500000,
114 .irq = OMAP_GPIO_IRQ(15),
115 .platform_data = &nokia770_ads7846_platform_data,
116 },
117};
118
119
120/* assume no Mini-AB port */
121
122static struct omap_usb_config nokia770_usb_config __initdata = {
123 .otg = 1,
124 .register_host = 1,
125 .register_dev = 1,
126 .hmc_mode = 16,
127 .pins[0] = 6,
128};
129
130static struct omap_mmc_config nokia770_mmc_config __initdata = {
131 .mmc[0] = {
132 .enabled = 0,
133 .wire4 = 0,
134 .wp_pin = -1,
135 .power_pin = -1,
136 .switch_pin = -1,
137 },
138 .mmc[1] = {
139 .enabled = 0,
140 .wire4 = 0,
141 .wp_pin = -1,
142 .power_pin = -1,
143 .switch_pin = -1,
144 },
145};
146
147static struct omap_board_config_kernel nokia770_config[] = {
148 { OMAP_TAG_USB, NULL },
149 { OMAP_TAG_MMC, &nokia770_mmc_config },
150};
151
152/*
153 * audio power control
154 */
155#define HEADPHONE_GPIO 14
156#define AMPLIFIER_CTRL_GPIO 58
157
158static struct clk *dspxor_ck;
159static DECLARE_MUTEX(audio_pwr_sem);
160/*
161 * audio_pwr_state
162 * +--+-------------------------+---------------------------------------+
163 * |-1|down |power-up request -> 0 |
164 * +--+-------------------------+---------------------------------------+
165 * | 0|up |power-down(1) request -> 1 |
166 * | | |power-down(2) request -> (ignore) |
167 * +--+-------------------------+---------------------------------------+
168 * | 1|up, |power-up request -> 0 |
169 * | |received down(1) request |power-down(2) request -> -1 |
170 * +--+-------------------------+---------------------------------------+
171 */
172static int audio_pwr_state = -1;
173
174/*
175 * audio_pwr_up / down should be called under audio_pwr_sem
176 */
177static void nokia770_audio_pwr_up(void)
178{
179 clk_enable(dspxor_ck);
180
181 /* Turn on codec */
182 tlv320aic23_power_up();
183
184 if (omap_get_gpio_datain(HEADPHONE_GPIO))
185 /* HP not connected, turn on amplifier */
186 omap_set_gpio_dataout(AMPLIFIER_CTRL_GPIO, 1);
187 else
188 /* HP connected, do not turn on amplifier */
189 printk("HP connected\n");
190}
191
192static void codec_delayed_power_down(void *arg)
193{
194 down(&audio_pwr_sem);
195 if (audio_pwr_state == -1)
196 tlv320aic23_power_down();
197 clk_disable(dspxor_ck);
198 up(&audio_pwr_sem);
199}
200
201static DECLARE_WORK(codec_power_down_work, codec_delayed_power_down, NULL);
202
203static void nokia770_audio_pwr_down(void)
204{
205 /* Turn off amplifier */
206 omap_set_gpio_dataout(AMPLIFIER_CTRL_GPIO, 0);
207
208 /* Turn off codec: schedule delayed work */
209 schedule_delayed_work(&codec_power_down_work, HZ / 20); /* 50ms */
210}
211
212void nokia770_audio_pwr_up_request(int stage)
213{
214 down(&audio_pwr_sem);
215 if (audio_pwr_state == -1)
216 nokia770_audio_pwr_up();
217 /* force audio_pwr_state = 0, even if it was 1. */
218 audio_pwr_state = 0;
219 up(&audio_pwr_sem);
220}
221
222void nokia770_audio_pwr_down_request(int stage)
223{
224 down(&audio_pwr_sem);
225 switch (stage) {
226 case 1:
227 if (audio_pwr_state == 0)
228 audio_pwr_state = 1;
229 break;
230 case 2:
231 if (audio_pwr_state == 1) {
232 nokia770_audio_pwr_down();
233 audio_pwr_state = -1;
234 }
235 break;
236 }
237 up(&audio_pwr_sem);
238}
239
240static void __init omap_nokia770_init(void)
241{
242 nokia770_config[0].data = &nokia770_usb_config;
243
244 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
245 spi_register_board_info(nokia770_spi_board_info,
246 ARRAY_SIZE(nokia770_spi_board_info));
247 omap_board_config = nokia770_config;
248 omap_board_config_size = ARRAY_SIZE(nokia770_config);
249 omap_serial_init();
250 omap_dsp_audio_pwr_up_request = nokia770_audio_pwr_up_request;
251 omap_dsp_audio_pwr_down_request = nokia770_audio_pwr_down_request;
252 dspxor_ck = clk_get(0, "dspxor_ck");
253}
254
255static void __init omap_nokia770_map_io(void)
256{
257 omap1_map_common_io();
258}
259
260MACHINE_START(NOKIA770, "Nokia 770")
261 .phys_io = 0xfff00000,
262 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
263 .boot_params = 0x10000100,
264 .map_io = omap_nokia770_map_io,
265 .init_irq = omap_nokia770_init_irq,
266 .init_machine = omap_nokia770_init,
267 .timer = &omap_timer,
268MACHINE_END