2 * Copyright (C) 2008-2009 ST-Ericsson
4 * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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/interrupt.h>
14 #include <linux/platform_device.h>
16 #include <linux/i2c.h>
17 #include <linux/gpio.h>
18 #include <linux/amba/bus.h>
19 #include <linux/amba/pl022.h>
20 #include <linux/amba/serial.h>
21 #include <linux/spi/spi.h>
22 #include <linux/mfd/ab8500.h>
23 #include <linux/regulator/ab8500.h>
24 #include <linux/mfd/tc3589x.h>
25 #include <linux/mfd/tps6105x.h>
26 #include <linux/mfd/ab8500/gpio.h>
27 #include <linux/leds-lp5521.h>
28 #include <linux/input.h>
29 #include <linux/gpio_keys.h>
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
35 #include <plat/ste_dma40.h>
37 #include <mach/hardware.h>
38 #include <mach/setup.h>
39 #include <mach/devices.h>
40 #include <mach/irqs.h>
42 #include "ste-dma40-db8500.h"
43 #include "devices-db8500.h"
44 #include "board-mop500.h"
45 #include "board-mop500-regulators.h"
47 static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
48 .gpio_base = MOP500_AB8500_GPIO(0),
49 .irq_base = MOP500_AB8500_VIR_GPIO_IRQ_BASE,
50 /* config_reg is the initial configuration of ab8500 pins.
51 * The pins can be configured as GPIO or alt functions based
52 * on value present in GpioSel1 to GpioSel6 and AlternatFunction
53 * register. This is the array of 7 configuration settings.
54 * One has to compile time decide these settings. Below is the
55 * explaination of these setting
56 * GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO
57 * GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO
58 * GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO
59 * GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO
60 * GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO
61 * GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO
62 * AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured
63 * as GPIO then this register selectes the alternate fucntions
65 .config_reg = {0x00, 0x1E, 0x80, 0x01,
69 static struct ab8500_platform_data ab8500_platdata = {
70 .irq_base = MOP500_AB8500_IRQ_BASE,
71 .regulator_reg_init = ab8500_regulator_reg_init,
72 .num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init),
73 .regulator = ab8500_regulators,
74 .num_regulator = ARRAY_SIZE(ab8500_regulators),
75 .gpio = &ab8500_gpio_pdata,
78 static struct resource ab8500_resources[] = {
80 .start = IRQ_DB8500_AB8500,
81 .end = IRQ_DB8500_AB8500,
82 .flags = IORESOURCE_IRQ
86 struct platform_device ab8500_device = {
90 .platform_data = &ab8500_platdata,
93 .resource = ab8500_resources,
100 static struct tps6105x_platform_data mop500_tps61052_data = {
101 .mode = TPS6105X_MODE_VOLTAGE,
102 .regulator_data = &tps61052_regulator,
109 static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
111 mop500_sdi_tc35892_init();
114 static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
115 .gpio_base = MOP500_EGPIO(0),
116 .setup = mop500_tc35892_init,
119 static struct tc3589x_platform_data mop500_tc35892_data = {
120 .block = TC3589x_BLOCK_GPIO,
121 .gpio = &mop500_tc35892_gpio_data,
122 .irq_base = MOP500_EGPIO_IRQ_BASE,
125 static struct lp5521_led_config lp5521_pri_led[] = {
143 static struct lp5521_platform_data __initdata lp5521_pri_data = {
144 .label = "lp5521_pri",
145 .led_config = &lp5521_pri_led[0],
147 .clock_mode = LP5521_CLOCK_EXT,
150 static struct lp5521_led_config lp5521_sec_led[] = {
168 static struct lp5521_platform_data __initdata lp5521_sec_data = {
169 .label = "lp5521_sec",
170 .led_config = &lp5521_sec_led[0],
172 .clock_mode = LP5521_CLOCK_EXT,
175 static struct i2c_board_info __initdata mop500_i2c0_devices[] = {
177 I2C_BOARD_INFO("tc3589x", 0x42),
178 .irq = NOMADIK_GPIO_TO_IRQ(217),
179 .platform_data = &mop500_tc35892_data,
183 /* I2C0 devices only available prior to HREFv60 */
184 static struct i2c_board_info __initdata mop500_i2c0_old_devices[] = {
186 I2C_BOARD_INFO("tps61052", 0x33),
187 .platform_data = &mop500_tps61052_data,
191 static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
193 /* lp5521 LED driver, 1st device */
194 I2C_BOARD_INFO("lp5521", 0x33),
195 .platform_data = &lp5521_pri_data,
198 /* lp5521 LED driver, 2st device */
199 I2C_BOARD_INFO("lp5521", 0x34),
200 .platform_data = &lp5521_sec_data,
203 /* Light sensor Rohm BH1780GLI */
204 I2C_BOARD_INFO("bh1780", 0x29),
208 #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \
209 static struct nmk_i2c_controller u8500_i2c##id##_data = { \
211 * slave data setup time, which is \
212 * 250 ns,100ns,10ns which is 14,6,2 \
213 * respectively for a 48 Mhz \
217 /* Tx FIFO threshold */ \
219 /* Rx FIFO threshold */ \
221 /* std. mode operation */ \
227 * The board uses 4 i2c controllers, initialize all of
228 * them with slave data setup time of 250 ns,
229 * Tx & Rx FIFO threshold values as 1 and standard
232 U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
233 U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
234 U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
235 U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
237 static void __init mop500_i2c_init(void)
239 db8500_add_i2c0(&u8500_i2c0_data);
240 db8500_add_i2c1(&u8500_i2c1_data);
241 db8500_add_i2c2(&u8500_i2c2_data);
242 db8500_add_i2c3(&u8500_i2c3_data);
245 static struct gpio_keys_button mop500_gpio_keys[] = {
247 .desc = "SFH7741 Proximity Sensor",
249 .code = SW_FRONT_PROXIMITY,
255 static struct regulator *prox_regulator;
256 static int mop500_prox_activate(struct device *dev);
257 static void mop500_prox_deactivate(struct device *dev);
259 static struct gpio_keys_platform_data mop500_gpio_keys_data = {
260 .buttons = mop500_gpio_keys,
261 .nbuttons = ARRAY_SIZE(mop500_gpio_keys),
262 .enable = mop500_prox_activate,
263 .disable = mop500_prox_deactivate,
266 static struct platform_device mop500_gpio_keys_device = {
270 .platform_data = &mop500_gpio_keys_data,
274 static int mop500_prox_activate(struct device *dev)
276 prox_regulator = regulator_get(&mop500_gpio_keys_device.dev,
278 if (IS_ERR(prox_regulator)) {
279 dev_err(&mop500_gpio_keys_device.dev,
281 return PTR_ERR(prox_regulator);
283 regulator_enable(prox_regulator);
287 static void mop500_prox_deactivate(struct device *dev)
289 regulator_disable(prox_regulator);
290 regulator_put(prox_regulator);
293 /* add any platform devices here - TODO */
294 static struct platform_device *platform_devs[] __initdata = {
295 &mop500_gpio_keys_device,
298 #ifdef CONFIG_STE_DMA40
299 static struct stedma40_chan_cfg ssp0_dma_cfg_rx = {
300 .mode = STEDMA40_MODE_LOGICAL,
301 .dir = STEDMA40_PERIPH_TO_MEM,
302 .src_dev_type = DB8500_DMA_DEV8_SSP0_RX,
303 .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
304 .src_info.data_width = STEDMA40_BYTE_WIDTH,
305 .dst_info.data_width = STEDMA40_BYTE_WIDTH,
308 static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
309 .mode = STEDMA40_MODE_LOGICAL,
310 .dir = STEDMA40_MEM_TO_PERIPH,
311 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
312 .dst_dev_type = DB8500_DMA_DEV8_SSP0_TX,
313 .src_info.data_width = STEDMA40_BYTE_WIDTH,
314 .dst_info.data_width = STEDMA40_BYTE_WIDTH,
318 static struct pl022_ssp_controller ssp0_platform_data = {
320 #ifdef CONFIG_STE_DMA40
322 .dma_filter = stedma40_filter,
323 .dma_rx_param = &ssp0_dma_cfg_rx,
324 .dma_tx_param = &ssp0_dma_cfg_tx,
328 /* on this platform, gpio 31,142,144,214 &
329 * 224 are connected as chip selects
334 static void __init mop500_spi_init(void)
336 db8500_add_ssp0(&ssp0_platform_data);
339 #ifdef CONFIG_STE_DMA40
340 static struct stedma40_chan_cfg uart0_dma_cfg_rx = {
341 .mode = STEDMA40_MODE_LOGICAL,
342 .dir = STEDMA40_PERIPH_TO_MEM,
343 .src_dev_type = DB8500_DMA_DEV13_UART0_RX,
344 .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
345 .src_info.data_width = STEDMA40_BYTE_WIDTH,
346 .dst_info.data_width = STEDMA40_BYTE_WIDTH,
349 static struct stedma40_chan_cfg uart0_dma_cfg_tx = {
350 .mode = STEDMA40_MODE_LOGICAL,
351 .dir = STEDMA40_MEM_TO_PERIPH,
352 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
353 .dst_dev_type = DB8500_DMA_DEV13_UART0_TX,
354 .src_info.data_width = STEDMA40_BYTE_WIDTH,
355 .dst_info.data_width = STEDMA40_BYTE_WIDTH,
358 static struct stedma40_chan_cfg uart1_dma_cfg_rx = {
359 .mode = STEDMA40_MODE_LOGICAL,
360 .dir = STEDMA40_PERIPH_TO_MEM,
361 .src_dev_type = DB8500_DMA_DEV12_UART1_RX,
362 .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
363 .src_info.data_width = STEDMA40_BYTE_WIDTH,
364 .dst_info.data_width = STEDMA40_BYTE_WIDTH,
367 static struct stedma40_chan_cfg uart1_dma_cfg_tx = {
368 .mode = STEDMA40_MODE_LOGICAL,
369 .dir = STEDMA40_MEM_TO_PERIPH,
370 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
371 .dst_dev_type = DB8500_DMA_DEV12_UART1_TX,
372 .src_info.data_width = STEDMA40_BYTE_WIDTH,
373 .dst_info.data_width = STEDMA40_BYTE_WIDTH,
376 static struct stedma40_chan_cfg uart2_dma_cfg_rx = {
377 .mode = STEDMA40_MODE_LOGICAL,
378 .dir = STEDMA40_PERIPH_TO_MEM,
379 .src_dev_type = DB8500_DMA_DEV11_UART2_RX,
380 .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
381 .src_info.data_width = STEDMA40_BYTE_WIDTH,
382 .dst_info.data_width = STEDMA40_BYTE_WIDTH,
385 static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
386 .mode = STEDMA40_MODE_LOGICAL,
387 .dir = STEDMA40_MEM_TO_PERIPH,
388 .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
389 .dst_dev_type = DB8500_DMA_DEV11_UART2_TX,
390 .src_info.data_width = STEDMA40_BYTE_WIDTH,
391 .dst_info.data_width = STEDMA40_BYTE_WIDTH,
395 static struct amba_pl011_data uart0_plat = {
396 #ifdef CONFIG_STE_DMA40
397 .dma_filter = stedma40_filter,
398 .dma_rx_param = &uart0_dma_cfg_rx,
399 .dma_tx_param = &uart0_dma_cfg_tx,
403 static struct amba_pl011_data uart1_plat = {
404 #ifdef CONFIG_STE_DMA40
405 .dma_filter = stedma40_filter,
406 .dma_rx_param = &uart1_dma_cfg_rx,
407 .dma_tx_param = &uart1_dma_cfg_tx,
411 static struct amba_pl011_data uart2_plat = {
412 #ifdef CONFIG_STE_DMA40
413 .dma_filter = stedma40_filter,
414 .dma_rx_param = &uart2_dma_cfg_rx,
415 .dma_tx_param = &uart2_dma_cfg_tx,
419 static void __init mop500_uart_init(void)
421 db8500_add_uart0(&uart0_plat);
422 db8500_add_uart1(&uart1_plat);
423 db8500_add_uart2(&uart2_plat);
426 static void __init mop500_init_machine(void)
429 * The HREFv60 board removed a GPIO expander and routed
430 * all these GPIO pins to the internal GPIO controller
433 if (machine_is_hrefv60())
434 mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
436 mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
438 u8500_init_devices();
442 platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
449 platform_device_register(&ab8500_device);
451 i2c_register_board_info(0, mop500_i2c0_devices,
452 ARRAY_SIZE(mop500_i2c0_devices));
453 if (!machine_is_hrefv60())
454 i2c_register_board_info(0, mop500_i2c0_old_devices,
455 ARRAY_SIZE(mop500_i2c0_old_devices));
456 i2c_register_board_info(2, mop500_i2c2_devices,
457 ARRAY_SIZE(mop500_i2c2_devices));
460 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
461 /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
462 .boot_params = 0x100,
463 .map_io = u8500_map_io,
464 .init_irq = ux500_init_irq,
465 /* we re-use nomadik timer here */
466 .timer = &ux500_timer,
467 .init_machine = mop500_init_machine,
470 MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
471 .boot_params = 0x100,
472 .map_io = u8500_map_io,
473 .init_irq = ux500_init_irq,
474 .timer = &ux500_timer,
475 .init_machine = mop500_init_machine,