Loading...
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#include <linux/irq.h>
11#include <linux/gpio.h>
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/mutex.h>
15#include <linux/platform_device.h>
16#include <linux/input.h>
17#include <linux/clk.h>
18#include <linux/omapfb.h>
19
20#include <linux/spi/spi.h>
21#include <linux/spi/ads7846.h>
22#include <linux/workqueue.h>
23#include <linux/delay.h>
24
25#include <linux/platform_data/keypad-omap.h>
26#include <linux/platform_data/lcd-mipid.h>
27#include <linux/platform_data/gpio-omap.h>
28#include <linux/platform_data/i2c-cbus-gpio.h>
29
30#include <asm/mach-types.h>
31#include <asm/mach/arch.h>
32#include <asm/mach/map.h>
33
34#include <mach/mux.h>
35
36#include <mach/hardware.h>
37#include <mach/usb.h>
38
39#include "common.h"
40#include "clock.h"
41#include "mmc.h"
42
43#define ADS7846_PENDOWN_GPIO 15
44
45static const unsigned int nokia770_keymap[] = {
46 KEY(1, 0, GROUP_0 | KEY_UP),
47 KEY(2, 0, GROUP_1 | KEY_F5),
48 KEY(0, 1, GROUP_0 | KEY_LEFT),
49 KEY(1, 1, GROUP_0 | KEY_ENTER),
50 KEY(2, 1, GROUP_0 | KEY_RIGHT),
51 KEY(0, 2, GROUP_1 | KEY_ESC),
52 KEY(1, 2, GROUP_0 | KEY_DOWN),
53 KEY(2, 2, GROUP_1 | KEY_F4),
54 KEY(0, 3, GROUP_2 | KEY_F7),
55 KEY(1, 3, GROUP_2 | KEY_F8),
56 KEY(2, 3, GROUP_2 | KEY_F6),
57};
58
59static struct resource nokia770_kp_resources[] = {
60 [0] = {
61 .start = INT_KEYBOARD,
62 .end = INT_KEYBOARD,
63 .flags = IORESOURCE_IRQ,
64 },
65};
66
67static const struct matrix_keymap_data nokia770_keymap_data = {
68 .keymap = nokia770_keymap,
69 .keymap_size = ARRAY_SIZE(nokia770_keymap),
70};
71
72static struct omap_kp_platform_data nokia770_kp_data = {
73 .rows = 8,
74 .cols = 8,
75 .keymap_data = &nokia770_keymap_data,
76 .delay = 4,
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 void mipid_shutdown(struct mipid_platform_data *pdata)
94{
95 if (pdata->nreset_gpio != -1) {
96 printk(KERN_INFO "shutdown LCD\n");
97 gpio_set_value(pdata->nreset_gpio, 0);
98 msleep(120);
99 }
100}
101
102static struct mipid_platform_data nokia770_mipid_platform_data = {
103 .shutdown = mipid_shutdown,
104};
105
106static struct omap_lcd_config nokia770_lcd_config __initdata = {
107 .ctrl_name = "hwa742",
108};
109
110static void __init mipid_dev_init(void)
111{
112 nokia770_mipid_platform_data.nreset_gpio = 13;
113 nokia770_mipid_platform_data.data_lines = 16;
114
115 omapfb_set_lcd_config(&nokia770_lcd_config);
116}
117
118static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
119 .x_max = 0x0fff,
120 .y_max = 0x0fff,
121 .x_plate_ohms = 180,
122 .pressure_max = 255,
123 .debounce_max = 10,
124 .debounce_tol = 3,
125 .debounce_rep = 1,
126 .gpio_pendown = ADS7846_PENDOWN_GPIO,
127};
128
129static struct spi_board_info nokia770_spi_board_info[] __initdata = {
130 [0] = {
131 .modalias = "lcd_mipid",
132 .bus_num = 2,
133 .chip_select = 3,
134 .max_speed_hz = 12000000,
135 .platform_data = &nokia770_mipid_platform_data,
136 },
137 [1] = {
138 .modalias = "ads7846",
139 .bus_num = 2,
140 .chip_select = 0,
141 .max_speed_hz = 2500000,
142 .platform_data = &nokia770_ads7846_platform_data,
143 },
144};
145
146static void __init hwa742_dev_init(void)
147{
148 clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
149}
150
151/* assume no Mini-AB port */
152
153static struct omap_usb_config nokia770_usb_config __initdata = {
154 .otg = 1,
155 .register_host = 1,
156 .register_dev = 1,
157 .hmc_mode = 16,
158 .pins[0] = 6,
159 .extcon = "tahvo-usb",
160};
161
162#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
163
164#define NOKIA770_GPIO_MMC_POWER 41
165#define NOKIA770_GPIO_MMC_SWITCH 23
166
167static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
168 int vdd)
169{
170 gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
171 return 0;
172}
173
174static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
175{
176 return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
177}
178
179static struct omap_mmc_platform_data nokia770_mmc2_data = {
180 .nr_slots = 1,
181 .max_freq = 12000000,
182 .slots[0] = {
183 .set_power = nokia770_mmc_set_power,
184 .get_cover_state = nokia770_mmc_get_cover_state,
185 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
186 .name = "mmcblk",
187 },
188};
189
190static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
191
192static void __init nokia770_mmc_init(void)
193{
194 int ret;
195
196 ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
197 if (ret < 0)
198 return;
199 gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
200
201 ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
202 if (ret < 0) {
203 gpio_free(NOKIA770_GPIO_MMC_POWER);
204 return;
205 }
206 gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
207
208 /* Only the second MMC controller is used */
209 nokia770_mmc_data[1] = &nokia770_mmc2_data;
210 omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
211}
212
213#else
214static inline void nokia770_mmc_init(void)
215{
216}
217#endif
218
219#if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)
220static struct i2c_cbus_platform_data nokia770_cbus_data = {
221 .clk_gpio = OMAP_MPUIO(9),
222 .dat_gpio = OMAP_MPUIO(10),
223 .sel_gpio = OMAP_MPUIO(11),
224};
225
226static struct platform_device nokia770_cbus_device = {
227 .name = "i2c-cbus-gpio",
228 .id = 2,
229 .dev = {
230 .platform_data = &nokia770_cbus_data,
231 },
232};
233
234static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = {
235 {
236 I2C_BOARD_INFO("retu-mfd", 0x01),
237 },
238 {
239 I2C_BOARD_INFO("tahvo-mfd", 0x02),
240 },
241};
242
243static void __init nokia770_cbus_init(void)
244{
245 const int retu_irq_gpio = 62;
246 const int tahvo_irq_gpio = 40;
247
248 if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
249 return;
250 if (gpio_request_one(tahvo_irq_gpio, GPIOF_IN, "Tahvo IRQ")) {
251 gpio_free(retu_irq_gpio);
252 return;
253 }
254 irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
255 irq_set_irq_type(gpio_to_irq(tahvo_irq_gpio), IRQ_TYPE_EDGE_RISING);
256 nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio);
257 nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio);
258 i2c_register_board_info(2, nokia770_i2c_board_info_2,
259 ARRAY_SIZE(nokia770_i2c_board_info_2));
260 platform_device_register(&nokia770_cbus_device);
261}
262#else /* CONFIG_I2C_CBUS_GPIO */
263static void __init nokia770_cbus_init(void)
264{
265}
266#endif /* CONFIG_I2C_CBUS_GPIO */
267
268static void __init omap_nokia770_init(void)
269{
270 /* On Nokia 770, the SleepX signal is masked with an
271 * MPUIO line by default. It has to be unmasked for it
272 * to become functional */
273
274 /* SleepX mask direction */
275 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
276 /* Unmask SleepX signal */
277 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
278
279 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
280 nokia770_spi_board_info[1].irq = gpio_to_irq(15);
281 spi_register_board_info(nokia770_spi_board_info,
282 ARRAY_SIZE(nokia770_spi_board_info));
283 omap_serial_init();
284 omap_register_i2c_bus(1, 100, NULL, 0);
285 hwa742_dev_init();
286 mipid_dev_init();
287 omap1_usb_init(&nokia770_usb_config);
288 nokia770_mmc_init();
289 nokia770_cbus_init();
290}
291
292MACHINE_START(NOKIA770, "Nokia 770")
293 .atag_offset = 0x100,
294 .map_io = omap16xx_map_io,
295 .init_early = omap1_init_early,
296 .init_irq = omap1_init_irq,
297 .init_machine = omap_nokia770_init,
298 .init_late = omap1_init_late,
299 .init_time = omap1_timer_init,
300 .restart = omap1_restart,
301MACHINE_END
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * linux/arch/arm/mach-omap1/board-nokia770.c
4 *
5 * Modified from board-generic.c
6 */
7#include <linux/clkdev.h>
8#include <linux/irq.h>
9#include <linux/gpio.h>
10#include <linux/gpio/machine.h>
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/omapfb.h>
17
18#include <linux/spi/spi.h>
19#include <linux/spi/ads7846.h>
20#include <linux/workqueue.h>
21#include <linux/delay.h>
22
23#include <linux/platform_data/keypad-omap.h>
24#include <linux/platform_data/lcd-mipid.h>
25#include <linux/platform_data/gpio-omap.h>
26
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/map.h>
30
31#include "mux.h"
32#include "hardware.h"
33#include "usb.h"
34#include "common.h"
35#include "clock.h"
36#include "mmc.h"
37
38#define ADS7846_PENDOWN_GPIO 15
39
40static const unsigned int nokia770_keymap[] = {
41 KEY(1, 0, GROUP_0 | KEY_UP),
42 KEY(2, 0, GROUP_1 | KEY_F5),
43 KEY(0, 1, GROUP_0 | KEY_LEFT),
44 KEY(1, 1, GROUP_0 | KEY_ENTER),
45 KEY(2, 1, GROUP_0 | KEY_RIGHT),
46 KEY(0, 2, GROUP_1 | KEY_ESC),
47 KEY(1, 2, GROUP_0 | KEY_DOWN),
48 KEY(2, 2, GROUP_1 | KEY_F4),
49 KEY(0, 3, GROUP_2 | KEY_F7),
50 KEY(1, 3, GROUP_2 | KEY_F8),
51 KEY(2, 3, GROUP_2 | KEY_F6),
52};
53
54static struct resource nokia770_kp_resources[] = {
55 [0] = {
56 .start = INT_KEYBOARD,
57 .end = INT_KEYBOARD,
58 .flags = IORESOURCE_IRQ,
59 },
60};
61
62static const struct matrix_keymap_data nokia770_keymap_data = {
63 .keymap = nokia770_keymap,
64 .keymap_size = ARRAY_SIZE(nokia770_keymap),
65};
66
67static struct omap_kp_platform_data nokia770_kp_data = {
68 .rows = 8,
69 .cols = 8,
70 .keymap_data = &nokia770_keymap_data,
71 .delay = 4,
72};
73
74static struct platform_device nokia770_kp_device = {
75 .name = "omap-keypad",
76 .id = -1,
77 .dev = {
78 .platform_data = &nokia770_kp_data,
79 },
80 .num_resources = ARRAY_SIZE(nokia770_kp_resources),
81 .resource = nokia770_kp_resources,
82};
83
84static struct platform_device *nokia770_devices[] __initdata = {
85 &nokia770_kp_device,
86};
87
88static void mipid_shutdown(struct mipid_platform_data *pdata)
89{
90 if (pdata->nreset_gpio != -1) {
91 printk(KERN_INFO "shutdown LCD\n");
92 gpio_set_value(pdata->nreset_gpio, 0);
93 msleep(120);
94 }
95}
96
97static struct mipid_platform_data nokia770_mipid_platform_data = {
98 .shutdown = mipid_shutdown,
99};
100
101static const struct omap_lcd_config nokia770_lcd_config __initconst = {
102 .ctrl_name = "hwa742",
103};
104
105static void __init mipid_dev_init(void)
106{
107 nokia770_mipid_platform_data.nreset_gpio = 13;
108 nokia770_mipid_platform_data.data_lines = 16;
109
110 omapfb_set_lcd_config(&nokia770_lcd_config);
111}
112
113static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
114 .x_max = 0x0fff,
115 .y_max = 0x0fff,
116 .x_plate_ohms = 180,
117 .pressure_max = 255,
118 .debounce_max = 10,
119 .debounce_tol = 3,
120 .debounce_rep = 1,
121 .gpio_pendown = ADS7846_PENDOWN_GPIO,
122};
123
124static struct spi_board_info nokia770_spi_board_info[] __initdata = {
125 [0] = {
126 .modalias = "lcd_mipid",
127 .bus_num = 2,
128 .chip_select = 3,
129 .max_speed_hz = 12000000,
130 .platform_data = &nokia770_mipid_platform_data,
131 },
132 [1] = {
133 .modalias = "ads7846",
134 .bus_num = 2,
135 .chip_select = 0,
136 .max_speed_hz = 2500000,
137 .platform_data = &nokia770_ads7846_platform_data,
138 },
139};
140
141static void __init hwa742_dev_init(void)
142{
143 clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
144}
145
146/* assume no Mini-AB port */
147
148static struct omap_usb_config nokia770_usb_config __initdata = {
149 .otg = 1,
150 .register_host = 1,
151 .register_dev = 1,
152 .hmc_mode = 16,
153 .pins[0] = 6,
154 .extcon = "tahvo-usb",
155};
156
157#if IS_ENABLED(CONFIG_MMC_OMAP)
158
159#define NOKIA770_GPIO_MMC_POWER 41
160#define NOKIA770_GPIO_MMC_SWITCH 23
161
162static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
163 int vdd)
164{
165 gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
166 return 0;
167}
168
169static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
170{
171 return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
172}
173
174static struct omap_mmc_platform_data nokia770_mmc2_data = {
175 .nr_slots = 1,
176 .max_freq = 12000000,
177 .slots[0] = {
178 .set_power = nokia770_mmc_set_power,
179 .get_cover_state = nokia770_mmc_get_cover_state,
180 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
181 .name = "mmcblk",
182 },
183};
184
185static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
186
187static void __init nokia770_mmc_init(void)
188{
189 int ret;
190
191 ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
192 if (ret < 0)
193 return;
194 gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
195
196 ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
197 if (ret < 0) {
198 gpio_free(NOKIA770_GPIO_MMC_POWER);
199 return;
200 }
201 gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
202
203 /* Only the second MMC controller is used */
204 nokia770_mmc_data[1] = &nokia770_mmc2_data;
205 omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
206}
207
208#else
209static inline void nokia770_mmc_init(void)
210{
211}
212#endif
213
214#if IS_ENABLED(CONFIG_I2C_CBUS_GPIO)
215static struct gpiod_lookup_table nokia770_cbus_gpio_table = {
216 .dev_id = "i2c-cbus-gpio.2",
217 .table = {
218 GPIO_LOOKUP_IDX("mpuio", 9, NULL, 0, 0), /* clk */
219 GPIO_LOOKUP_IDX("mpuio", 10, NULL, 1, 0), /* dat */
220 GPIO_LOOKUP_IDX("mpuio", 11, NULL, 2, 0), /* sel */
221 { },
222 },
223};
224
225static struct platform_device nokia770_cbus_device = {
226 .name = "i2c-cbus-gpio",
227 .id = 2,
228};
229
230static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = {
231 {
232 I2C_BOARD_INFO("retu", 0x01),
233 },
234 {
235 I2C_BOARD_INFO("tahvo", 0x02),
236 },
237};
238
239static void __init nokia770_cbus_init(void)
240{
241 const int retu_irq_gpio = 62;
242 const int tahvo_irq_gpio = 40;
243
244 if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
245 return;
246 if (gpio_request_one(tahvo_irq_gpio, GPIOF_IN, "Tahvo IRQ")) {
247 gpio_free(retu_irq_gpio);
248 return;
249 }
250 irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
251 irq_set_irq_type(gpio_to_irq(tahvo_irq_gpio), IRQ_TYPE_EDGE_RISING);
252 nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio);
253 nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio);
254 i2c_register_board_info(2, nokia770_i2c_board_info_2,
255 ARRAY_SIZE(nokia770_i2c_board_info_2));
256 gpiod_add_lookup_table(&nokia770_cbus_gpio_table);
257 platform_device_register(&nokia770_cbus_device);
258}
259#else /* CONFIG_I2C_CBUS_GPIO */
260static void __init nokia770_cbus_init(void)
261{
262}
263#endif /* CONFIG_I2C_CBUS_GPIO */
264
265static void __init omap_nokia770_init(void)
266{
267 /* On Nokia 770, the SleepX signal is masked with an
268 * MPUIO line by default. It has to be unmasked for it
269 * to become functional */
270
271 /* SleepX mask direction */
272 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
273 /* Unmask SleepX signal */
274 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
275
276 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
277 nokia770_spi_board_info[1].irq = gpio_to_irq(15);
278 spi_register_board_info(nokia770_spi_board_info,
279 ARRAY_SIZE(nokia770_spi_board_info));
280 omap_serial_init();
281 omap_register_i2c_bus(1, 100, NULL, 0);
282 hwa742_dev_init();
283 mipid_dev_init();
284 omap1_usb_init(&nokia770_usb_config);
285 nokia770_mmc_init();
286 nokia770_cbus_init();
287}
288
289MACHINE_START(NOKIA770, "Nokia 770")
290 .atag_offset = 0x100,
291 .map_io = omap16xx_map_io,
292 .init_early = omap1_init_early,
293 .init_irq = omap1_init_irq,
294 .handle_irq = omap1_handle_irq,
295 .init_machine = omap_nokia770_init,
296 .init_late = omap1_init_late,
297 .init_time = omap1_timer_init,
298 .restart = omap1_restart,
299MACHINE_END