1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-omap1/board-h2.c
5 * Board specific inits for OMAP-1610 H2
7 * Copyright (C) 2001 RidgeRun, Inc.
8 * Author: Greg Lonnon <glonnon@ridgerun.com>
10 * Copyright (C) 2002 MontaVista Software, Inc.
12 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
13 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
15 * H2 specific changes and cleanup
16 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
18 #include <linux/gpio.h>
19 #include <linux/gpio/machine.h>
20 #include <linux/kernel.h>
21 #include <linux/platform_device.h>
22 #include <linux/delay.h>
23 #include <linux/i2c.h>
24 #include <linux/mtd/mtd.h>
25 #include <linux/mtd/platnand.h>
26 #include <linux/mtd/physmap.h>
27 #include <linux/input.h>
28 #include <linux/mfd/tps65010.h>
29 #include <linux/smc91x.h>
30 #include <linux/omapfb.h>
31 #include <linux/platform_data/gpio-omap.h>
32 #include <linux/leds.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
39 #include <linux/omap-dma.h>
41 #include <linux/platform_data/keypad-omap.h>
44 #include <mach/hardware.h>
50 /* The first 16 SoC GPIO lines are on this GPIO chip */
51 #define OMAP_GPIO_LABEL "gpio-0-15"
53 /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
54 #define OMAP1610_ETHR_START 0x04000300
56 static const unsigned int h2_keymap
[] = {
94 static struct mtd_partition h2_nor_partitions
[] = {
95 /* bootloader (U-Boot, etc) in first sector */
100 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
102 /* bootloader params in the next sector */
105 .offset
= MTDPART_OFS_APPEND
,
112 .offset
= MTDPART_OFS_APPEND
,
118 .name
= "filesystem",
119 .offset
= MTDPART_OFS_APPEND
,
120 .size
= MTDPART_SIZ_FULL
,
125 static struct physmap_flash_data h2_nor_data
= {
127 .set_vpp
= omap1_set_vpp
,
128 .parts
= h2_nor_partitions
,
129 .nr_parts
= ARRAY_SIZE(h2_nor_partitions
),
132 static struct resource h2_nor_resource
= {
133 /* This is on CS3, wherever it's mapped */
134 .flags
= IORESOURCE_MEM
,
137 static struct platform_device h2_nor_device
= {
138 .name
= "physmap-flash",
141 .platform_data
= &h2_nor_data
,
144 .resource
= &h2_nor_resource
,
147 static struct mtd_partition h2_nand_partitions
[] = {
149 /* REVISIT: enable these partitions if you make NAND BOOT
150 * work on your H2 (rev C or newer); published versions of
151 * x-load only support P2 and H3.
157 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
160 .name
= "bootloader",
161 .offset
= MTDPART_OFS_APPEND
,
163 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
167 .offset
= MTDPART_OFS_APPEND
,
172 .offset
= MTDPART_OFS_APPEND
,
177 .name
= "filesystem",
178 .size
= MTDPART_SIZ_FULL
,
179 .offset
= MTDPART_OFS_APPEND
,
183 #define H2_NAND_RB_GPIO_PIN 62
185 static int h2_nand_dev_ready(struct nand_chip
*chip
)
187 return gpio_get_value(H2_NAND_RB_GPIO_PIN
);
190 static struct platform_nand_data h2_nand_platdata
= {
194 .nr_partitions
= ARRAY_SIZE(h2_nand_partitions
),
195 .partitions
= h2_nand_partitions
,
196 .options
= NAND_SAMSUNG_LP_OPTIONS
,
199 .cmd_ctrl
= omap1_nand_cmd_ctl
,
200 .dev_ready
= h2_nand_dev_ready
,
204 static struct resource h2_nand_resource
= {
205 .flags
= IORESOURCE_MEM
,
208 static struct platform_device h2_nand_device
= {
212 .platform_data
= &h2_nand_platdata
,
215 .resource
= &h2_nand_resource
,
218 static struct smc91x_platdata h2_smc91x_info
= {
219 .flags
= SMC91X_USE_16BIT
| SMC91X_NOWAIT
,
220 .leda
= RPC_LED_100_10
,
221 .ledb
= RPC_LED_TX_RX
,
224 static struct resource h2_smc91x_resources
[] = {
226 .start
= OMAP1610_ETHR_START
, /* Physical */
227 .end
= OMAP1610_ETHR_START
+ 0xf,
228 .flags
= IORESOURCE_MEM
,
231 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWEDGE
,
235 static struct platform_device h2_smc91x_device
= {
239 .platform_data
= &h2_smc91x_info
,
241 .num_resources
= ARRAY_SIZE(h2_smc91x_resources
),
242 .resource
= h2_smc91x_resources
,
245 static struct resource h2_kp_resources
[] = {
247 .start
= INT_KEYBOARD
,
249 .flags
= IORESOURCE_IRQ
,
253 static const struct matrix_keymap_data h2_keymap_data
= {
255 .keymap_size
= ARRAY_SIZE(h2_keymap
),
258 static struct omap_kp_platform_data h2_kp_data
= {
261 .keymap_data
= &h2_keymap_data
,
267 static struct platform_device h2_kp_device
= {
268 .name
= "omap-keypad",
271 .platform_data
= &h2_kp_data
,
273 .num_resources
= ARRAY_SIZE(h2_kp_resources
),
274 .resource
= h2_kp_resources
,
277 static const struct gpio_led h2_gpio_led_pins
[] = {
280 .default_trigger
= "heartbeat",
285 .default_trigger
= "cpu0",
286 .gpio
= OMAP_MPUIO(4),
290 static struct gpio_led_platform_data h2_gpio_led_data
= {
291 .leds
= h2_gpio_led_pins
,
292 .num_leds
= ARRAY_SIZE(h2_gpio_led_pins
),
295 static struct platform_device h2_gpio_leds
= {
299 .platform_data
= &h2_gpio_led_data
,
303 static struct platform_device
*h2_devices
[] __initdata
= {
311 static void __init
h2_init_smc91x(void)
313 if (gpio_request(0, "SMC91x irq") < 0) {
314 printk("Error requesting gpio 0 for smc91x irq\n");
319 static int tps_setup(struct i2c_client
*client
, void *context
)
321 if (!IS_BUILTIN(CONFIG_TPS65010
))
324 tps65010_config_vregs1(TPS_LDO2_ENABLE
| TPS_VLDO2_3_0V
|
325 TPS_LDO1_ENABLE
| TPS_VLDO1_3_0V
);
330 static struct tps65010_board tps_board
= {
331 .base
= H2_TPS_GPIO_BASE
,
336 static struct i2c_board_info __initdata h2_i2c_board_info
[] = {
338 I2C_BOARD_INFO("tps65010", 0x48),
339 .platform_data
= &tps_board
,
341 .type
= "isp1301_omap",
343 .dev_name
= "isp1301",
347 static struct gpiod_lookup_table isp1301_gpiod_table
= {
350 /* Active low since the irq triggers on falling edge */
351 GPIO_LOOKUP(OMAP_GPIO_LABEL
, 2,
352 NULL
, GPIO_ACTIVE_LOW
),
357 static struct omap_usb_config h2_usb_config __initdata
= {
358 /* usb1 has a Mini-AB port and external isp1301 transceiver */
361 #if IS_ENABLED(CONFIG_USB_OMAP)
362 .hmc_mode
= 19, /* 0:host(off) 1:dev|otg 2:disabled */
363 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
364 #elif IS_ENABLED(CONFIG_USB_OHCI_HCD)
365 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
366 .hmc_mode
= 20, /* 1:dev|otg(off) 1:host 2:disabled */
372 static const struct omap_lcd_config h2_lcd_config __initconst
= {
373 .ctrl_name
= "internal",
376 static void __init
h2_init(void)
380 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
381 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
382 * notice whether a NAND chip is enabled at probe time.
384 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
385 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
386 * detecting that in code here, to avoid probing every possible flash
389 h2_nor_resource
.end
= h2_nor_resource
.start
= omap_cs3_phys();
390 h2_nor_resource
.end
+= SZ_32M
- 1;
392 h2_nand_resource
.end
= h2_nand_resource
.start
= OMAP_CS2B_PHYS
;
393 h2_nand_resource
.end
+= SZ_4K
- 1;
394 BUG_ON(gpio_request(H2_NAND_RB_GPIO_PIN
, "NAND ready") < 0);
395 gpio_direction_input(H2_NAND_RB_GPIO_PIN
);
397 omap_cfg_reg(L3_1610_FLASH_CS2B_OE
);
398 omap_cfg_reg(M8_1610_FLASH_CS2B_WE
);
400 /* MMC: card detect and WP */
401 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
402 omap_cfg_reg(BALLOUT_V8_ARMIO3
); /* WP */
404 /* Mux pins for keypad */
405 omap_cfg_reg(F18_1610_KBC0
);
406 omap_cfg_reg(D20_1610_KBC1
);
407 omap_cfg_reg(D19_1610_KBC2
);
408 omap_cfg_reg(E18_1610_KBC3
);
409 omap_cfg_reg(C21_1610_KBC4
);
410 omap_cfg_reg(G18_1610_KBR0
);
411 omap_cfg_reg(F19_1610_KBR1
);
412 omap_cfg_reg(H14_1610_KBR2
);
413 omap_cfg_reg(E20_1610_KBR3
);
414 omap_cfg_reg(E19_1610_KBR4
);
415 omap_cfg_reg(N19_1610_KBR5
);
417 /* GPIO based LEDs */
418 omap_cfg_reg(P18_1610_GPIO3
);
419 omap_cfg_reg(MPUIO4
);
421 h2_smc91x_resources
[1].start
= gpio_to_irq(0);
422 h2_smc91x_resources
[1].end
= gpio_to_irq(0);
423 platform_add_devices(h2_devices
, ARRAY_SIZE(h2_devices
));
426 /* ISP1301 IRQ wired at M14 */
427 omap_cfg_reg(M14_1510_GPIO2
);
428 h2_i2c_board_info
[0].irq
= gpio_to_irq(58);
429 omap_register_i2c_bus(1, 100, h2_i2c_board_info
,
430 ARRAY_SIZE(h2_i2c_board_info
));
431 omap1_usb_init(&h2_usb_config
);
434 omapfb_set_lcd_config(&h2_lcd_config
);
437 MACHINE_START(OMAP_H2
, "TI-H2")
438 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
439 .atag_offset
= 0x100,
440 .map_io
= omap16xx_map_io
,
441 .init_early
= omap1_init_early
,
442 .init_irq
= omap1_init_irq
,
443 .handle_irq
= omap1_handle_irq
,
444 .init_machine
= h2_init
,
445 .init_late
= omap1_init_late
,
446 .init_time
= omap1_timer_init
,
447 .restart
= omap1_restart
,