2 * linux/arch/arm/mach-omap1/board-nokia770.c
4 * Modified from board-generic.c
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.
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/mutex.h>
14 #include <linux/platform_device.h>
15 #include <linux/input.h>
16 #include <linux/clk.h>
18 #include <linux/spi/spi.h>
19 #include <linux/spi/ads7846.h>
20 #include <linux/workqueue.h>
21 #include <linux/delay.h>
23 #include <mach/hardware.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach/map.h>
28 #include <mach/gpio.h>
31 #include <mach/board.h>
32 #include <mach/keypad.h>
33 #include <mach/common.h>
34 #include <mach/dsp_common.h>
35 #include <mach/omapfb.h>
36 #include <mach/hwa742.h>
37 #include <mach/lcd_mipid.h>
40 #include <mach/clock.h>
42 #define ADS7846_PENDOWN_GPIO 15
44 static void __init omap_nokia770_init_irq(void)
46 /* On Nokia 770, the SleepX signal is masked with an
47 * MPUIO line by default. It has to be unmasked for it
48 * to become functional */
50 /* SleepX mask direction */
51 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
52 /* Unmask SleepX signal */
53 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
55 omap1_init_common_hw();
59 static int nokia770_keymap[] = {
60 KEY(0, 1, GROUP_0 | KEY_UP),
61 KEY(0, 2, GROUP_1 | KEY_F5),
62 KEY(1, 0, GROUP_0 | KEY_LEFT),
63 KEY(1, 1, GROUP_0 | KEY_ENTER),
64 KEY(1, 2, GROUP_0 | KEY_RIGHT),
65 KEY(2, 0, GROUP_1 | KEY_ESC),
66 KEY(2, 1, GROUP_0 | KEY_DOWN),
67 KEY(2, 2, GROUP_1 | KEY_F4),
68 KEY(3, 0, GROUP_2 | KEY_F7),
69 KEY(3, 1, GROUP_2 | KEY_F8),
70 KEY(3, 2, GROUP_2 | KEY_F6),
74 static struct resource nokia770_kp_resources[] = {
76 .start = INT_KEYBOARD,
78 .flags = IORESOURCE_IRQ,
82 static struct omap_kp_platform_data nokia770_kp_data = {
85 .keymap = nokia770_keymap,
86 .keymapsize = ARRAY_SIZE(nokia770_keymap),
90 static struct platform_device nokia770_kp_device = {
91 .name = "omap-keypad",
94 .platform_data = &nokia770_kp_data,
96 .num_resources = ARRAY_SIZE(nokia770_kp_resources),
97 .resource = nokia770_kp_resources,
100 static struct platform_device *nokia770_devices[] __initdata = {
104 static void mipid_shutdown(struct mipid_platform_data *pdata)
106 if (pdata->nreset_gpio != -1) {
107 printk(KERN_INFO "shutdown LCD\n");
108 gpio_set_value(pdata->nreset_gpio, 0);
113 static struct mipid_platform_data nokia770_mipid_platform_data = {
114 .shutdown = mipid_shutdown,
117 static void mipid_dev_init(void)
119 const struct omap_lcd_config *conf;
121 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
123 nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio;
124 nokia770_mipid_platform_data.data_lines = conf->data_lines;
128 static void ads7846_dev_init(void)
130 if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
131 printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
134 static int ads7846_get_pendown_state(void)
136 return !gpio_get_value(ADS7846_PENDOWN_GPIO);
139 static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
147 .get_pendown_state = ads7846_get_pendown_state,
150 static struct spi_board_info nokia770_spi_board_info[] __initdata = {
152 .modalias = "lcd_mipid",
155 .max_speed_hz = 12000000,
156 .platform_data = &nokia770_mipid_platform_data,
159 .modalias = "ads7846",
162 .max_speed_hz = 2500000,
163 .irq = OMAP_GPIO_IRQ(15),
164 .platform_data = &nokia770_ads7846_platform_data,
168 static struct hwa742_platform_data nokia770_hwa742_platform_data = {
172 static void hwa742_dev_init(void)
174 clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
175 omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data);
178 /* assume no Mini-AB port */
180 static struct omap_usb_config nokia770_usb_config __initdata = {
188 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
190 #define NOKIA770_GPIO_MMC_POWER 41
191 #define NOKIA770_GPIO_MMC_SWITCH 23
193 static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
196 gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
200 static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
202 return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
205 static struct omap_mmc_platform_data nokia770_mmc2_data = {
207 .dma_mask = 0xffffffff,
208 .max_freq = 12000000,
210 .set_power = nokia770_mmc_set_power,
211 .get_cover_state = nokia770_mmc_get_cover_state,
212 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
217 static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
219 static void __init nokia770_mmc_init(void)
223 ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
226 gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
228 ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
230 gpio_free(NOKIA770_GPIO_MMC_POWER);
233 gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
235 /* Only the second MMC controller is used */
236 nokia770_mmc_data[1] = &nokia770_mmc2_data;
237 omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
241 static inline void nokia770_mmc_init(void)
246 #if defined(CONFIG_OMAP_DSP)
248 * audio power control
250 #define HEADPHONE_GPIO 14
251 #define AMPLIFIER_CTRL_GPIO 58
253 static struct clk *dspxor_ck;
254 static DEFINE_MUTEX(audio_pwr_lock);
257 * +--+-------------------------+---------------------------------------+
258 * |-1|down |power-up request -> 0 |
259 * +--+-------------------------+---------------------------------------+
260 * | 0|up |power-down(1) request -> 1 |
261 * | | |power-down(2) request -> (ignore) |
262 * +--+-------------------------+---------------------------------------+
263 * | 1|up, |power-up request -> 0 |
264 * | |received down(1) request |power-down(2) request -> -1 |
265 * +--+-------------------------+---------------------------------------+
267 static int audio_pwr_state = -1;
269 static inline void aic23_power_up(void)
272 static inline void aic23_power_down(void)
277 * audio_pwr_up / down should be called under audio_pwr_lock
279 static void nokia770_audio_pwr_up(void)
281 clk_enable(dspxor_ck);
286 if (gpio_get_value(HEADPHONE_GPIO))
287 /* HP not connected, turn on amplifier */
288 gpio_set_value(AMPLIFIER_CTRL_GPIO, 1);
290 /* HP connected, do not turn on amplifier */
291 printk("HP connected\n");
294 static void codec_delayed_power_down(struct work_struct *work)
296 mutex_lock(&audio_pwr_lock);
297 if (audio_pwr_state == -1)
299 clk_disable(dspxor_ck);
300 mutex_unlock(&audio_pwr_lock);
303 static DECLARE_DELAYED_WORK(codec_power_down_work, codec_delayed_power_down);
305 static void nokia770_audio_pwr_down(void)
307 /* Turn off amplifier */
308 gpio_set_value(AMPLIFIER_CTRL_GPIO, 0);
310 /* Turn off codec: schedule delayed work */
311 schedule_delayed_work(&codec_power_down_work, HZ / 20); /* 50ms */
315 nokia770_audio_pwr_up_request(struct dsp_kfunc_device *kdev, int stage)
317 mutex_lock(&audio_pwr_lock);
318 if (audio_pwr_state == -1)
319 nokia770_audio_pwr_up();
320 /* force audio_pwr_state = 0, even if it was 1. */
322 mutex_unlock(&audio_pwr_lock);
327 nokia770_audio_pwr_down_request(struct dsp_kfunc_device *kdev, int stage)
329 mutex_lock(&audio_pwr_lock);
332 if (audio_pwr_state == 0)
336 if (audio_pwr_state == 1) {
337 nokia770_audio_pwr_down();
338 audio_pwr_state = -1;
342 mutex_unlock(&audio_pwr_lock);
346 static struct dsp_kfunc_device nokia770_audio_device = {
348 .type = DSP_KFUNC_DEV_TYPE_AUDIO,
349 .enable = nokia770_audio_pwr_up_request,
350 .disable = nokia770_audio_pwr_down_request,
353 static __init int omap_dsp_init(void)
357 dspxor_ck = clk_get(0, "dspxor_ck");
358 if (IS_ERR(dspxor_ck)) {
359 printk(KERN_ERR "couldn't acquire dspxor_ck\n");
360 return PTR_ERR(dspxor_ck);
363 ret = dsp_kfunc_device_register(&nokia770_audio_device);
366 "KFUNC device registration faild: %s\n",
367 nokia770_audio_device.name);
375 #define omap_dsp_init() do {} while (0)
376 #endif /* CONFIG_OMAP_DSP */
378 static void __init omap_nokia770_init(void)
380 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
381 spi_register_board_info(nokia770_spi_board_info,
382 ARRAY_SIZE(nokia770_spi_board_info));
385 omap_register_i2c_bus(1, 100, NULL, 0);
390 omap_usb_init(&nokia770_usb_config);
394 static void __init omap_nokia770_map_io(void)
396 omap1_map_common_io();
399 MACHINE_START(NOKIA770, "Nokia 770")
400 .phys_io = 0xfff00000,
401 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
402 .boot_params = 0x10000100,
403 .map_io = omap_nokia770_map_io,
404 .init_irq = omap_nokia770_init_irq,
405 .init_machine = omap_nokia770_init,
406 .timer = &omap_timer,