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/smsc911x.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/delay.h>
33 #include <linux/leds.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
38 #include <plat/ste_dma40.h>
39 #include <plat/pincfg.h>
41 #include <mach/hardware.h>
42 #include <mach/setup.h>
43 #include <mach/devices.h>
44 #include <mach/irqs.h>
46 #include "pins-db8500.h"
47 #include "ste-dma40-db8500.h"
48 #include "devices-db8500.h"
49 #include "board-mop500.h"
50 #include "board-mop500-regulators.h"
52 static struct gpio_led snowball_led_array
[] = {
55 .default_trigger
= "none",
60 static struct gpio_led_platform_data snowball_led_data
= {
61 .leds
= snowball_led_array
,
62 .num_leds
= ARRAY_SIZE(snowball_led_array
),
65 static struct platform_device snowball_led_dev
= {
68 .platform_data
= &snowball_led_data
,
72 static struct ab8500_gpio_platform_data ab8500_gpio_pdata
= {
73 .gpio_base
= MOP500_AB8500_GPIO(0),
74 .irq_base
= MOP500_AB8500_VIR_GPIO_IRQ_BASE
,
75 /* config_reg is the initial configuration of ab8500 pins.
76 * The pins can be configured as GPIO or alt functions based
77 * on value present in GpioSel1 to GpioSel6 and AlternatFunction
78 * register. This is the array of 7 configuration settings.
79 * One has to compile time decide these settings. Below is the
80 * explanation of these setting
81 * GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO
82 * GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO
83 * GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO
84 * GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO
85 * GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO
86 * GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO
87 * AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured
88 * as GPIO then this register selectes the alternate fucntions
90 .config_reg
= {0x00, 0x1E, 0x80, 0x01,
94 static struct gpio_keys_button snowball_key_array
[] = {
101 .debounce_interval
= 50,
110 .debounce_interval
= 50,
119 .debounce_interval
= 50,
128 .debounce_interval
= 50,
137 .debounce_interval
= 50,
142 static struct gpio_keys_platform_data snowball_key_data
= {
143 .buttons
= snowball_key_array
,
144 .nbuttons
= ARRAY_SIZE(snowball_key_array
),
147 static struct platform_device snowball_key_dev
= {
151 .platform_data
= &snowball_key_data
,
155 static struct smsc911x_platform_config snowball_sbnet_cfg
= {
156 .irq_polarity
= SMSC911X_IRQ_POLARITY_ACTIVE_HIGH
,
157 .irq_type
= SMSC911X_IRQ_TYPE_PUSH_PULL
,
158 .flags
= SMSC911X_USE_16BIT
| SMSC911X_FORCE_INTERNAL_PHY
,
162 static struct resource sbnet_res
[] = {
164 .name
= "smsc911x-memory",
165 .start
= (0x5000 << 16),
166 .end
= (0x5000 << 16) + 0xffff,
167 .flags
= IORESOURCE_MEM
,
170 .start
= NOMADIK_GPIO_TO_IRQ(140),
171 .end
= NOMADIK_GPIO_TO_IRQ(140),
172 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHEDGE
,
176 static struct platform_device snowball_sbnet_dev
= {
178 .num_resources
= ARRAY_SIZE(sbnet_res
),
179 .resource
= sbnet_res
,
181 .platform_data
= &snowball_sbnet_cfg
,
185 static struct ab8500_platform_data ab8500_platdata
= {
186 .irq_base
= MOP500_AB8500_IRQ_BASE
,
187 .regulator_reg_init
= ab8500_regulator_reg_init
,
188 .num_regulator_reg_init
= ARRAY_SIZE(ab8500_regulator_reg_init
),
189 .regulator
= ab8500_regulators
,
190 .num_regulator
= ARRAY_SIZE(ab8500_regulators
),
191 .gpio
= &ab8500_gpio_pdata
,
194 static struct resource ab8500_resources
[] = {
196 .start
= IRQ_DB8500_AB8500
,
197 .end
= IRQ_DB8500_AB8500
,
198 .flags
= IORESOURCE_IRQ
202 struct platform_device ab8500_device
= {
203 .name
= "ab8500-i2c",
206 .platform_data
= &ab8500_platdata
,
209 .resource
= ab8500_resources
,
216 static struct tps6105x_platform_data mop500_tps61052_data
= {
217 .mode
= TPS6105X_MODE_VOLTAGE
,
218 .regulator_data
= &tps61052_regulator
,
225 static void mop500_tc35892_init(struct tc3589x
*tc3589x
, unsigned int base
)
227 mop500_sdi_tc35892_init();
230 static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data
= {
231 .gpio_base
= MOP500_EGPIO(0),
232 .setup
= mop500_tc35892_init
,
235 static struct tc3589x_platform_data mop500_tc35892_data
= {
236 .block
= TC3589x_BLOCK_GPIO
,
237 .gpio
= &mop500_tc35892_gpio_data
,
238 .irq_base
= MOP500_EGPIO_IRQ_BASE
,
241 static struct lp5521_led_config lp5521_pri_led
[] = {
259 static struct lp5521_platform_data __initdata lp5521_pri_data
= {
260 .label
= "lp5521_pri",
261 .led_config
= &lp5521_pri_led
[0],
263 .clock_mode
= LP5521_CLOCK_EXT
,
266 static struct lp5521_led_config lp5521_sec_led
[] = {
284 static struct lp5521_platform_data __initdata lp5521_sec_data
= {
285 .label
= "lp5521_sec",
286 .led_config
= &lp5521_sec_led
[0],
288 .clock_mode
= LP5521_CLOCK_EXT
,
291 static struct i2c_board_info __initdata mop500_i2c0_devices
[] = {
293 I2C_BOARD_INFO("tc3589x", 0x42),
294 .irq
= NOMADIK_GPIO_TO_IRQ(217),
295 .platform_data
= &mop500_tc35892_data
,
297 /* I2C0 devices only available prior to HREFv60 */
299 I2C_BOARD_INFO("tps61052", 0x33),
300 .platform_data
= &mop500_tps61052_data
,
304 #define NUM_PRE_V60_I2C0_DEVICES 1
306 static struct i2c_board_info __initdata mop500_i2c2_devices
[] = {
308 /* lp5521 LED driver, 1st device */
309 I2C_BOARD_INFO("lp5521", 0x33),
310 .platform_data
= &lp5521_pri_data
,
313 /* lp5521 LED driver, 2st device */
314 I2C_BOARD_INFO("lp5521", 0x34),
315 .platform_data
= &lp5521_sec_data
,
318 /* Light sensor Rohm BH1780GLI */
319 I2C_BOARD_INFO("bh1780", 0x29),
323 #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, t_out, _sm) \
324 static struct nmk_i2c_controller u8500_i2c##id##_data = { \
326 * slave data setup time, which is \
327 * 250 ns,100ns,10ns which is 14,6,2 \
328 * respectively for a 48 Mhz \
332 /* Tx FIFO threshold */ \
334 /* Rx FIFO threshold */ \
336 /* std. mode operation */ \
338 /* Slave response timeout(ms) */\
344 * The board uses 4 i2c controllers, initialize all of
345 * them with slave data setup time of 250 ns,
346 * Tx & Rx FIFO threshold values as 8 and standard
349 U8500_I2C_CONTROLLER(0, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST
);
350 U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST
);
351 U8500_I2C_CONTROLLER(2, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST
);
352 U8500_I2C_CONTROLLER(3, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST
);
354 static void __init
mop500_i2c_init(void)
356 db8500_add_i2c0(&u8500_i2c0_data
);
357 db8500_add_i2c1(&u8500_i2c1_data
);
358 db8500_add_i2c2(&u8500_i2c2_data
);
359 db8500_add_i2c3(&u8500_i2c3_data
);
362 static struct gpio_keys_button mop500_gpio_keys
[] = {
364 .desc
= "SFH7741 Proximity Sensor",
366 .code
= SW_FRONT_PROXIMITY
,
372 static struct regulator
*prox_regulator
;
373 static int mop500_prox_activate(struct device
*dev
);
374 static void mop500_prox_deactivate(struct device
*dev
);
376 static struct gpio_keys_platform_data mop500_gpio_keys_data
= {
377 .buttons
= mop500_gpio_keys
,
378 .nbuttons
= ARRAY_SIZE(mop500_gpio_keys
),
379 .enable
= mop500_prox_activate
,
380 .disable
= mop500_prox_deactivate
,
383 static struct platform_device mop500_gpio_keys_device
= {
387 .platform_data
= &mop500_gpio_keys_data
,
391 static int mop500_prox_activate(struct device
*dev
)
393 prox_regulator
= regulator_get(&mop500_gpio_keys_device
.dev
,
395 if (IS_ERR(prox_regulator
)) {
396 dev_err(&mop500_gpio_keys_device
.dev
,
398 return PTR_ERR(prox_regulator
);
400 regulator_enable(prox_regulator
);
404 static void mop500_prox_deactivate(struct device
*dev
)
406 regulator_disable(prox_regulator
);
407 regulator_put(prox_regulator
);
410 /* add any platform devices here - TODO */
411 static struct platform_device
*mop500_platform_devs
[] __initdata
= {
412 &mop500_gpio_keys_device
,
416 #ifdef CONFIG_STE_DMA40
417 static struct stedma40_chan_cfg ssp0_dma_cfg_rx
= {
418 .mode
= STEDMA40_MODE_LOGICAL
,
419 .dir
= STEDMA40_PERIPH_TO_MEM
,
420 .src_dev_type
= DB8500_DMA_DEV8_SSP0_RX
,
421 .dst_dev_type
= STEDMA40_DEV_DST_MEMORY
,
422 .src_info
.data_width
= STEDMA40_BYTE_WIDTH
,
423 .dst_info
.data_width
= STEDMA40_BYTE_WIDTH
,
426 static struct stedma40_chan_cfg ssp0_dma_cfg_tx
= {
427 .mode
= STEDMA40_MODE_LOGICAL
,
428 .dir
= STEDMA40_MEM_TO_PERIPH
,
429 .src_dev_type
= STEDMA40_DEV_SRC_MEMORY
,
430 .dst_dev_type
= DB8500_DMA_DEV8_SSP0_TX
,
431 .src_info
.data_width
= STEDMA40_BYTE_WIDTH
,
432 .dst_info
.data_width
= STEDMA40_BYTE_WIDTH
,
436 static struct pl022_ssp_controller ssp0_platform_data
= {
438 #ifdef CONFIG_STE_DMA40
440 .dma_filter
= stedma40_filter
,
441 .dma_rx_param
= &ssp0_dma_cfg_rx
,
442 .dma_tx_param
= &ssp0_dma_cfg_tx
,
446 /* on this platform, gpio 31,142,144,214 &
447 * 224 are connected as chip selects
452 static void __init
mop500_spi_init(void)
454 db8500_add_ssp0(&ssp0_platform_data
);
457 #ifdef CONFIG_STE_DMA40
458 static struct stedma40_chan_cfg uart0_dma_cfg_rx
= {
459 .mode
= STEDMA40_MODE_LOGICAL
,
460 .dir
= STEDMA40_PERIPH_TO_MEM
,
461 .src_dev_type
= DB8500_DMA_DEV13_UART0_RX
,
462 .dst_dev_type
= STEDMA40_DEV_DST_MEMORY
,
463 .src_info
.data_width
= STEDMA40_BYTE_WIDTH
,
464 .dst_info
.data_width
= STEDMA40_BYTE_WIDTH
,
467 static struct stedma40_chan_cfg uart0_dma_cfg_tx
= {
468 .mode
= STEDMA40_MODE_LOGICAL
,
469 .dir
= STEDMA40_MEM_TO_PERIPH
,
470 .src_dev_type
= STEDMA40_DEV_SRC_MEMORY
,
471 .dst_dev_type
= DB8500_DMA_DEV13_UART0_TX
,
472 .src_info
.data_width
= STEDMA40_BYTE_WIDTH
,
473 .dst_info
.data_width
= STEDMA40_BYTE_WIDTH
,
476 static struct stedma40_chan_cfg uart1_dma_cfg_rx
= {
477 .mode
= STEDMA40_MODE_LOGICAL
,
478 .dir
= STEDMA40_PERIPH_TO_MEM
,
479 .src_dev_type
= DB8500_DMA_DEV12_UART1_RX
,
480 .dst_dev_type
= STEDMA40_DEV_DST_MEMORY
,
481 .src_info
.data_width
= STEDMA40_BYTE_WIDTH
,
482 .dst_info
.data_width
= STEDMA40_BYTE_WIDTH
,
485 static struct stedma40_chan_cfg uart1_dma_cfg_tx
= {
486 .mode
= STEDMA40_MODE_LOGICAL
,
487 .dir
= STEDMA40_MEM_TO_PERIPH
,
488 .src_dev_type
= STEDMA40_DEV_SRC_MEMORY
,
489 .dst_dev_type
= DB8500_DMA_DEV12_UART1_TX
,
490 .src_info
.data_width
= STEDMA40_BYTE_WIDTH
,
491 .dst_info
.data_width
= STEDMA40_BYTE_WIDTH
,
494 static struct stedma40_chan_cfg uart2_dma_cfg_rx
= {
495 .mode
= STEDMA40_MODE_LOGICAL
,
496 .dir
= STEDMA40_PERIPH_TO_MEM
,
497 .src_dev_type
= DB8500_DMA_DEV11_UART2_RX
,
498 .dst_dev_type
= STEDMA40_DEV_DST_MEMORY
,
499 .src_info
.data_width
= STEDMA40_BYTE_WIDTH
,
500 .dst_info
.data_width
= STEDMA40_BYTE_WIDTH
,
503 static struct stedma40_chan_cfg uart2_dma_cfg_tx
= {
504 .mode
= STEDMA40_MODE_LOGICAL
,
505 .dir
= STEDMA40_MEM_TO_PERIPH
,
506 .src_dev_type
= STEDMA40_DEV_SRC_MEMORY
,
507 .dst_dev_type
= DB8500_DMA_DEV11_UART2_TX
,
508 .src_info
.data_width
= STEDMA40_BYTE_WIDTH
,
509 .dst_info
.data_width
= STEDMA40_BYTE_WIDTH
,
514 static pin_cfg_t mop500_pins_uart0
[] = {
515 GPIO0_U0_CTSn
| PIN_INPUT_PULLUP
,
516 GPIO1_U0_RTSn
| PIN_OUTPUT_HIGH
,
517 GPIO2_U0_RXD
| PIN_INPUT_PULLUP
,
518 GPIO3_U0_TXD
| PIN_OUTPUT_HIGH
,
521 #define PRCC_K_SOFTRST_SET 0x18
522 #define PRCC_K_SOFTRST_CLEAR 0x1C
523 static void ux500_uart0_reset(void)
525 void __iomem
*prcc_rst_set
, *prcc_rst_clr
;
527 prcc_rst_set
= (void __iomem
*)IO_ADDRESS(U8500_CLKRST1_BASE
+
529 prcc_rst_clr
= (void __iomem
*)IO_ADDRESS(U8500_CLKRST1_BASE
+
530 PRCC_K_SOFTRST_CLEAR
);
532 /* Activate soft reset PRCC_K_SOFTRST_CLEAR */
533 writel((readl(prcc_rst_clr
) | 0x1), prcc_rst_clr
);
536 /* Release soft reset PRCC_K_SOFTRST_SET */
537 writel((readl(prcc_rst_set
) | 0x1), prcc_rst_set
);
541 static void ux500_uart0_init(void)
545 ret
= nmk_config_pins(mop500_pins_uart0
,
546 ARRAY_SIZE(mop500_pins_uart0
));
548 pr_err("pl011: uart pins_enable failed\n");
551 static void ux500_uart0_exit(void)
555 ret
= nmk_config_pins_sleep(mop500_pins_uart0
,
556 ARRAY_SIZE(mop500_pins_uart0
));
558 pr_err("pl011: uart pins_disable failed\n");
561 static struct amba_pl011_data uart0_plat
= {
562 #ifdef CONFIG_STE_DMA40
563 .dma_filter
= stedma40_filter
,
564 .dma_rx_param
= &uart0_dma_cfg_rx
,
565 .dma_tx_param
= &uart0_dma_cfg_tx
,
567 .init
= ux500_uart0_init
,
568 .exit
= ux500_uart0_exit
,
569 .reset
= ux500_uart0_reset
,
572 static struct amba_pl011_data uart1_plat
= {
573 #ifdef CONFIG_STE_DMA40
574 .dma_filter
= stedma40_filter
,
575 .dma_rx_param
= &uart1_dma_cfg_rx
,
576 .dma_tx_param
= &uart1_dma_cfg_tx
,
580 static struct amba_pl011_data uart2_plat
= {
581 #ifdef CONFIG_STE_DMA40
582 .dma_filter
= stedma40_filter
,
583 .dma_rx_param
= &uart2_dma_cfg_rx
,
584 .dma_tx_param
= &uart2_dma_cfg_tx
,
588 static void __init
mop500_uart_init(void)
590 db8500_add_uart0(&uart0_plat
);
591 db8500_add_uart1(&uart1_plat
);
592 db8500_add_uart2(&uart2_plat
);
595 static struct platform_device
*snowball_platform_devs
[] __initdata
= {
602 static void __init
mop500_init_machine(void)
607 * The HREFv60 board removed a GPIO expander and routed
608 * all these GPIO pins to the internal GPIO controller
611 if (!machine_is_snowball()) {
612 if (machine_is_hrefv60())
613 mop500_gpio_keys
[0].gpio
= HREFV60_PROX_SENSE_GPIO
;
615 mop500_gpio_keys
[0].gpio
= GPIO_PROX_SENSOR
;
618 u8500_init_devices();
622 if (machine_is_snowball())
623 platform_add_devices(snowball_platform_devs
,
624 ARRAY_SIZE(snowball_platform_devs
));
626 platform_add_devices(mop500_platform_devs
,
627 ARRAY_SIZE(mop500_platform_devs
));
634 i2c0_devs
= ARRAY_SIZE(mop500_i2c0_devices
);
635 if (machine_is_hrefv60())
636 i2c0_devs
-= NUM_PRE_V60_I2C0_DEVICES
;
638 i2c_register_board_info(0, mop500_i2c0_devices
, i2c0_devs
);
639 i2c_register_board_info(2, mop500_i2c2_devices
,
640 ARRAY_SIZE(mop500_i2c2_devices
));
642 /* This board has full regulator constraints */
643 regulator_has_full_constraints();
646 MACHINE_START(U8500
, "ST-Ericsson MOP500 platform")
647 /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
648 .boot_params
= 0x100,
649 .map_io
= u8500_map_io
,
650 .init_irq
= ux500_init_irq
,
651 /* we re-use nomadik timer here */
652 .timer
= &ux500_timer
,
653 .init_machine
= mop500_init_machine
,
656 MACHINE_START(HREFV60
, "ST-Ericsson U8500 Platform HREFv60+")
657 .boot_params
= 0x100,
658 .map_io
= u8500_map_io
,
659 .init_irq
= ux500_init_irq
,
660 .timer
= &ux500_timer
,
661 .init_machine
= mop500_init_machine
,
664 MACHINE_START(SNOWBALL
, "Calao Systems Snowball platform")
665 .boot_params
= 0x100,
666 .map_io
= u8500_map_io
,
667 .init_irq
= ux500_init_irq
,
668 /* we re-use nomadik timer here */
669 .timer
= &ux500_timer
,
670 .init_machine
= mop500_init_machine
,