1dbdf9cedSTony Lindgren /*
2dbdf9cedSTony Lindgren * linux/arch/arm/mach-omap1/board-osk.c
3dbdf9cedSTony Lindgren *
4dbdf9cedSTony Lindgren * Board specific init for OMAP5912 OSK
5dbdf9cedSTony Lindgren *
6dbdf9cedSTony Lindgren * Written by Dirk Behme <dirk.behme@de.bosch.com>
7dbdf9cedSTony Lindgren *
8dbdf9cedSTony Lindgren * This program is free software; you can redistribute it and/or modify it
9dbdf9cedSTony Lindgren * under the terms of the GNU General Public License as published by the
10dbdf9cedSTony Lindgren * Free Software Foundation; either version 2 of the License, or (at your
11dbdf9cedSTony Lindgren * option) any later version.
12dbdf9cedSTony Lindgren *
13dbdf9cedSTony Lindgren * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
14dbdf9cedSTony Lindgren * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
15dbdf9cedSTony Lindgren * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
16dbdf9cedSTony Lindgren * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17dbdf9cedSTony Lindgren * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18dbdf9cedSTony Lindgren * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
19dbdf9cedSTony Lindgren * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20dbdf9cedSTony Lindgren * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21dbdf9cedSTony Lindgren * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22dbdf9cedSTony Lindgren * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23dbdf9cedSTony Lindgren *
24dbdf9cedSTony Lindgren * You should have received a copy of the GNU General Public License along
25dbdf9cedSTony Lindgren * with this program; if not, write to the Free Software Foundation, Inc.,
26dbdf9cedSTony Lindgren * 675 Mass Ave, Cambridge, MA 02139, USA.
27dbdf9cedSTony Lindgren */
282f8163baSRussell King #include <linux/gpio/consumer.h>
2915d157e8SLinus Walleij #include <linux/gpio/driver.h>
30dbdf9cedSTony Lindgren #include <linux/gpio/machine.h>
31dbdf9cedSTony Lindgren #include <linux/kernel.h>
32d052d1beSRussell King #include <linux/init.h>
33a524626bSTony Lindgren #include <linux/platform_device.h>
34d533c128SThomas Gleixner #include <linux/interrupt.h>
358056c6cbSDavid Brownell #include <linux/irq.h>
36d94577d5SDavid Brownell #include <linux/i2c.h>
373bc48014SLadislav Michl #include <linux/leds.h>
38ddba6c7fSTomi Valkeinen #include <linux/smc91x.h>
397c38cf02STony Lindgren #include <linux/omapfb.h>
407c38cf02STony Lindgren #include <linux/mtd/mtd.h>
41561b036aSLadislav Michl #include <linux/mtd/partitions.h>
429787076cSWolfram Sang #include <linux/mtd/physmap.h>
434b25408fSTony Lindgren #include <linux/mfd/tps65010.h>
44cc012729SIgor Grinberg #include <linux/platform_data/gpio-omap.h>
457e0a9e62SArnd Bergmann #include <linux/platform_data/omap1_bl.h>
466d16bfb5SDavid Brownell #include <linux/soc/ti/omap1-io.h>
47dbdf9cedSTony Lindgren
48dbdf9cedSTony Lindgren #include <asm/mach-types.h>
49dbdf9cedSTony Lindgren #include <asm/mach/arch.h>
50dbdf9cedSTony Lindgren #include <asm/mach/map.h>
517e0a9e62SArnd Bergmann
52100f9638SArnd Bergmann #include "tc.h"
537e0a9e62SArnd Bergmann #include "flash.h"
547e0a9e62SArnd Bergmann #include "mux.h"
55e8e77e97SArnd Bergmann #include "hardware.h"
564e65331cSTony Lindgren #include "usb.h"
579b6553cdSTony Lindgren #include "common.h"
5815d157e8SLinus Walleij
5915d157e8SLinus Walleij /* Name of the GPIO chip used by the OMAP for GPIOs 0..15 */
6015d157e8SLinus Walleij #define OMAP_GPIO_LABEL "gpio-0-15"
613a0110cdSTony Lindgren
623a0110cdSTony Lindgren /* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
633a0110cdSTony Lindgren #define OMAP_OSK_ETHR_START 0x04800300
643a0110cdSTony Lindgren
653a0110cdSTony Lindgren /* TPS65010 has four GPIOs. nPG and LED2 can be treated like GPIOs with
663a0110cdSTony Lindgren * alternate pin configurations for hardware-controlled blinking.
673a0110cdSTony Lindgren */
683a0110cdSTony Lindgren #define OSK_TPS_GPIO_USB_PWR_EN 0
693a0110cdSTony Lindgren #define OSK_TPS_GPIO_LED_D3 1
703a0110cdSTony Lindgren #define OSK_TPS_GPIO_LAN_RESET 2
713a0110cdSTony Lindgren #define OSK_TPS_GPIO_DSP_PWR_EN 3
723a0110cdSTony Lindgren #define OSK_TPS_GPIO_LED_D9 4
733a0110cdSTony Lindgren #define OSK_TPS_GPIO_LED_D2 5
743a0110cdSTony Lindgren
757c38cf02STony Lindgren static struct mtd_partition osk_partitions[] = {
767c38cf02STony Lindgren /* bootloader (U-Boot, etc) in first sector */
777c38cf02STony Lindgren {
787c38cf02STony Lindgren .name = "bootloader",
797c38cf02STony Lindgren .offset = 0,
807c38cf02STony Lindgren .size = SZ_128K,
817c38cf02STony Lindgren .mask_flags = MTD_WRITEABLE, /* force read-only */
827c38cf02STony Lindgren },
837c38cf02STony Lindgren /* bootloader params in the next sector */
847c38cf02STony Lindgren {
857c38cf02STony Lindgren .name = "params",
867c38cf02STony Lindgren .offset = MTDPART_OFS_APPEND,
877c38cf02STony Lindgren .size = SZ_128K,
887c38cf02STony Lindgren .mask_flags = 0,
897c38cf02STony Lindgren }, {
907c38cf02STony Lindgren .name = "kernel",
917c38cf02STony Lindgren .offset = MTDPART_OFS_APPEND,
927c38cf02STony Lindgren .size = SZ_2M,
937c38cf02STony Lindgren .mask_flags = 0
947c38cf02STony Lindgren }, {
957c38cf02STony Lindgren .name = "filesystem",
967c38cf02STony Lindgren .offset = MTDPART_OFS_APPEND,
977c38cf02STony Lindgren .size = MTDPART_SIZ_FULL,
987c38cf02STony Lindgren .mask_flags = 0
997c38cf02STony Lindgren }
100dbdf9cedSTony Lindgren };
101dbdf9cedSTony Lindgren
102561b036aSLadislav Michl static struct physmap_flash_data osk_flash_data = {
1037c38cf02STony Lindgren .width = 2,
104561b036aSLadislav Michl .set_vpp = omap1_set_vpp,
1057c38cf02STony Lindgren .parts = osk_partitions,
1067c38cf02STony Lindgren .nr_parts = ARRAY_SIZE(osk_partitions),
1077c38cf02STony Lindgren };
1087c38cf02STony Lindgren
1097c38cf02STony Lindgren static struct resource osk_flash_resource = {
1107c38cf02STony Lindgren /* this is on CS3, wherever it's mapped */
1117c38cf02STony Lindgren .flags = IORESOURCE_MEM,
1127c38cf02STony Lindgren };
1137c38cf02STony Lindgren
1147c38cf02STony Lindgren static struct platform_device osk5912_flash_device = {
115561b036aSLadislav Michl .name = "physmap-flash",
1167c38cf02STony Lindgren .id = 0,
1177c38cf02STony Lindgren .dev = {
1187c38cf02STony Lindgren .platform_data = &osk_flash_data,
1197c38cf02STony Lindgren },
1207c38cf02STony Lindgren .num_resources = 1,
1217c38cf02STony Lindgren .resource = &osk_flash_resource,
1227c38cf02STony Lindgren };
123dbdf9cedSTony Lindgren
1243bc48014SLadislav Michl static struct smc91x_platdata osk5912_smc91x_info = {
1253bc48014SLadislav Michl .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
1263bc48014SLadislav Michl .leda = RPC_LED_100_10,
1273bc48014SLadislav Michl .ledb = RPC_LED_TX_RX,
1283bc48014SLadislav Michl };
1293bc48014SLadislav Michl
130dbdf9cedSTony Lindgren static struct resource osk5912_smc91x_resources[] = {
131dbdf9cedSTony Lindgren [0] = {
132dbdf9cedSTony Lindgren .start = OMAP_OSK_ETHR_START, /* Physical */
133dbdf9cedSTony Lindgren .end = OMAP_OSK_ETHR_START + 0xf,
134dbdf9cedSTony Lindgren .flags = IORESOURCE_MEM,
135dbdf9cedSTony Lindgren },
136dbdf9cedSTony Lindgren [1] = {
137e7b3dc7eSRussell King .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
138dbdf9cedSTony Lindgren },
139dbdf9cedSTony Lindgren };
140dbdf9cedSTony Lindgren
141dbdf9cedSTony Lindgren static struct platform_device osk5912_smc91x_device = {
142dbdf9cedSTony Lindgren .name = "smc91x",
143dbdf9cedSTony Lindgren .id = -1,
1443bc48014SLadislav Michl .dev = {
1453bc48014SLadislav Michl .platform_data = &osk5912_smc91x_info,
1463bc48014SLadislav Michl },
147dbdf9cedSTony Lindgren .num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
148dbdf9cedSTony Lindgren .resource = osk5912_smc91x_resources,
149dbdf9cedSTony Lindgren };
150dbdf9cedSTony Lindgren
151dbdf9cedSTony Lindgren static struct resource osk5912_cf_resources[] = {
152dbdf9cedSTony Lindgren [0] = {
153dbdf9cedSTony Lindgren .flags = IORESOURCE_IRQ,
154dbdf9cedSTony Lindgren },
155d87d44f7SArnd Bergmann [1] = {
156d87d44f7SArnd Bergmann .flags = IORESOURCE_MEM,
157d87d44f7SArnd Bergmann },
158dbdf9cedSTony Lindgren };
159dbdf9cedSTony Lindgren
160dbdf9cedSTony Lindgren static struct platform_device osk5912_cf_device = {
161dbdf9cedSTony Lindgren .name = "omap_cf",
162dbdf9cedSTony Lindgren .id = -1,
163dbdf9cedSTony Lindgren .num_resources = ARRAY_SIZE(osk5912_cf_resources),
164dbdf9cedSTony Lindgren .resource = osk5912_cf_resources,
165dbdf9cedSTony Lindgren };
166dbdf9cedSTony Lindgren
167dbdf9cedSTony Lindgren static struct platform_device *osk5912_devices[] __initdata = {
1687c38cf02STony Lindgren &osk5912_flash_device,
169dbdf9cedSTony Lindgren &osk5912_smc91x_device,
170dbdf9cedSTony Lindgren &osk5912_cf_device,
171dbdf9cedSTony Lindgren };
172dbdf9cedSTony Lindgren
17340dda872SArvind Yadav static const struct gpio_led tps_leds[] = {
174d94577d5SDavid Brownell /* NOTE: D9 and D2 have hardware blink support.
175d94577d5SDavid Brownell * Also, D9 requires non-battery power.
176d94577d5SDavid Brownell */
1775dd81e25SDavid Brownell { .name = "d9", .default_trigger = "disk-activity", },
178e5808227SStephan Linz { .name = "d2", },
179d94577d5SDavid Brownell { .name = "d3", .default_trigger = "heartbeat", },
180d94577d5SDavid Brownell };
181d94577d5SDavid Brownell
182d94577d5SDavid Brownell static struct gpiod_lookup_table tps_leds_gpio_table = {
183d94577d5SDavid Brownell .dev_id = "leds-gpio",
184d94577d5SDavid Brownell .table = {
185d94577d5SDavid Brownell /* Use local offsets on TPS65010 */
186d94577d5SDavid Brownell GPIO_LOOKUP_IDX("tps65010", OSK_TPS_GPIO_LED_D9, NULL, 0, GPIO_ACTIVE_HIGH),
187d94577d5SDavid Brownell GPIO_LOOKUP_IDX("tps65010", OSK_TPS_GPIO_LED_D2, NULL, 1, GPIO_ACTIVE_HIGH),
188d94577d5SDavid Brownell GPIO_LOOKUP_IDX("tps65010", OSK_TPS_GPIO_LED_D3, NULL, 2, GPIO_ACTIVE_LOW),
189d94577d5SDavid Brownell { }
190d94577d5SDavid Brownell },
191d94577d5SDavid Brownell };
192d94577d5SDavid Brownell
193d94577d5SDavid Brownell static struct gpio_led_platform_data tps_leds_data = {
194d94577d5SDavid Brownell .num_leds = 3,
195d94577d5SDavid Brownell .leds = tps_leds,
196d94577d5SDavid Brownell };
1970b31c53bSArnd Bergmann
1980b31c53bSArnd Bergmann static struct platform_device osk5912_tps_leds = {
1990b31c53bSArnd Bergmann .name = "leds-gpio",
200d94577d5SDavid Brownell .id = 0,
201d94577d5SDavid Brownell .dev.platform_data = &tps_leds_data,
202d94577d5SDavid Brownell };
203d94577d5SDavid Brownell
204d94577d5SDavid Brownell /* The board just hold these GPIOs hogged from setup to teardown */
2056efac017SLinus Walleij static struct gpio_desc *eth_reset;
2066efac017SLinus Walleij static struct gpio_desc *vdd_dsp;
207d94577d5SDavid Brownell
osk_tps_setup(struct i2c_client * client,struct gpio_chip * gc)208d94577d5SDavid Brownell static int osk_tps_setup(struct i2c_client *client, struct gpio_chip *gc)
209d94577d5SDavid Brownell {
210d94577d5SDavid Brownell struct gpio_desc *d;
211d94577d5SDavid Brownell if (!IS_BUILTIN(CONFIG_TPS65010))
212d94577d5SDavid Brownell return -ENOSYS;
213d94577d5SDavid Brownell
214d94577d5SDavid Brownell /* Set GPIO 1 HIGH to disable VBUS power supply;
215d94577d5SDavid Brownell * OHCI driver powers it up/down as needed.
216d94577d5SDavid Brownell */
217d94577d5SDavid Brownell d = gpiochip_request_own_desc(gc, OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en",
218d94577d5SDavid Brownell GPIO_ACTIVE_HIGH, GPIOD_OUT_HIGH);
219d94577d5SDavid Brownell /* Free the GPIO again as the driver will request it */
220d94577d5SDavid Brownell gpiochip_free_own_desc(d);
221d94577d5SDavid Brownell
222d94577d5SDavid Brownell /* Set GPIO 2 high so LED D3 is off by default */
223d94577d5SDavid Brownell tps65010_set_gpio_out_value(GPIO2, HIGH);
224d94577d5SDavid Brownell
225d94577d5SDavid Brownell /* Set GPIO 3 low to take ethernet out of reset */
226d94577d5SDavid Brownell eth_reset = gpiochip_request_own_desc(gc, OSK_TPS_GPIO_LAN_RESET, "smc_reset",
227d94577d5SDavid Brownell GPIO_ACTIVE_HIGH, GPIOD_OUT_LOW);
228d94577d5SDavid Brownell
229d94577d5SDavid Brownell /* GPIO4 is VDD_DSP */
230d94577d5SDavid Brownell vdd_dsp = gpiochip_request_own_desc(gc, OSK_TPS_GPIO_DSP_PWR_EN, "dsp_power",
231d94577d5SDavid Brownell GPIO_ACTIVE_HIGH, GPIOD_OUT_HIGH);
232d94577d5SDavid Brownell /* REVISIT if DSP support isn't configured, power it off ... */
233d94577d5SDavid Brownell
234d94577d5SDavid Brownell /* Let LED1 (D9) blink; leds-gpio may override it */
235d94577d5SDavid Brownell tps65010_set_led(LED1, BLINK);
236d94577d5SDavid Brownell
237d94577d5SDavid Brownell /* Set LED2 off by default */
238d94577d5SDavid Brownell tps65010_set_led(LED2, OFF);
239d94577d5SDavid Brownell
240d94577d5SDavid Brownell /* Enable LOW_PWR handshake */
241d94577d5SDavid Brownell tps65010_set_low_pwr(ON);
242d94577d5SDavid Brownell
243d94577d5SDavid Brownell /* Switch VLDO2 to 3.0V for AIC23 */
244d94577d5SDavid Brownell tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V
245d94577d5SDavid Brownell | TPS_LDO1_ENABLE);
2468056c6cbSDavid Brownell
2478056c6cbSDavid Brownell /* register these three LEDs */
24815d157e8SLinus Walleij osk5912_tps_leds.dev.parent = &client->dev;
2498056c6cbSDavid Brownell gpiod_add_lookup_table(&tps_leds_gpio_table);
25015d157e8SLinus Walleij platform_device_register(&osk5912_tps_leds);
251d94577d5SDavid Brownell
252d94577d5SDavid Brownell return 0;
2538056c6cbSDavid Brownell }
2549b4a3577SArun KS
osk_tps_teardown(struct i2c_client * client,struct gpio_chip * gc)2559b4a3577SArun KS static void osk_tps_teardown(struct i2c_client *client, struct gpio_chip *gc)
2569b4a3577SArun KS {
2578056c6cbSDavid Brownell gpiochip_free_own_desc(eth_reset);
2588056c6cbSDavid Brownell gpiochip_free_own_desc(vdd_dsp);
2598056c6cbSDavid Brownell }
2608056c6cbSDavid Brownell
2618056c6cbSDavid Brownell static struct tps65010_board tps_board = {
262dbdf9cedSTony Lindgren .outmask = 0x0f,
263dbdf9cedSTony Lindgren .setup = osk_tps_setup,
264030b1545STony Lindgren .teardown = osk_tps_teardown,
265030b1545STony Lindgren };
266ac37a0b0SDavid Brownell
267dbdf9cedSTony Lindgren static struct i2c_board_info __initdata osk_i2c_board_info[] = {
268dbdf9cedSTony Lindgren {
269dbdf9cedSTony Lindgren /* This device will get the name "i2c-tps65010" */
270dbdf9cedSTony Lindgren I2C_BOARD_INFO("tps65010", 0x48),
271dbdf9cedSTony Lindgren .dev_name = "tps65010",
272030b1545STony Lindgren .platform_data = &tps_board,
273030b1545STony Lindgren
274030b1545STony Lindgren },
275dbdf9cedSTony Lindgren {
276dbdf9cedSTony Lindgren I2C_BOARD_INFO("tlv320aic23", 0x1B),
277d87d44f7SArnd Bergmann },
278dbdf9cedSTony Lindgren /* TODO when driver support is ready:
279d87d44f7SArnd Bergmann * - optionally on Mistral, ov9640 camera sensor at 0x30
280d87d44f7SArnd Bergmann */
281dbdf9cedSTony Lindgren };
282ac37a0b0SDavid Brownell
osk_init_smc91x(void)283dbdf9cedSTony Lindgren static void __init osk_init_smc91x(void)
284dbdf9cedSTony Lindgren {
285dbdf9cedSTony Lindgren u32 l;
286d87d44f7SArnd Bergmann
287d87d44f7SArnd Bergmann /* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
288d87d44f7SArnd Bergmann l = omap_readl(EMIFS_CCS(1));
289d87d44f7SArnd Bergmann l |= 0x3;
290d87d44f7SArnd Bergmann omap_writel(l, EMIFS_CCS(1));
291d87d44f7SArnd Bergmann }
292d87d44f7SArnd Bergmann
osk_init_cf(int seg)293d87d44f7SArnd Bergmann static void __init osk_init_cf(int seg)
294d87d44f7SArnd Bergmann {
295d87d44f7SArnd Bergmann struct resource *res = &osk5912_cf_resources[1];
296d87d44f7SArnd Bergmann
297d87d44f7SArnd Bergmann omap_cfg_reg(M7_1610_GPIO62);
298d87d44f7SArnd Bergmann
299d87d44f7SArnd Bergmann switch (seg) {
300d87d44f7SArnd Bergmann /* NOTE: CS0 could be configured too ... */
301d87d44f7SArnd Bergmann case 1:
302d87d44f7SArnd Bergmann res->start = OMAP_CS1_PHYS;
303d87d44f7SArnd Bergmann break;
304d87d44f7SArnd Bergmann case 2:
305d87d44f7SArnd Bergmann res->start = OMAP_CS2_PHYS;
306d87d44f7SArnd Bergmann break;
307d87d44f7SArnd Bergmann case 3:
308d87d44f7SArnd Bergmann res->start = omap_cs3_phys();
309d87d44f7SArnd Bergmann break;
310d87d44f7SArnd Bergmann }
311d87d44f7SArnd Bergmann
3127c38cf02STony Lindgren res->end = res->start + SZ_8K - 1;
3136845664aSThomas Gleixner osk5912_cf_device.dev.platform_data = (void *)(uintptr_t)seg;
314dbdf9cedSTony Lindgren
315dbdf9cedSTony Lindgren /* NOTE: better EMIFS setup might support more cards; but the
31615d157e8SLinus Walleij * TRM only shows how to affect regular flash signals, not their
31715d157e8SLinus Walleij * CF/PCMCIA variants...
31815d157e8SLinus Walleij */
31915d157e8SLinus Walleij pr_debug("%s: cs%d, previous ccs %08x acs %08x\n", __func__,
32045c57754SLinus Walleij seg, omap_readl(EMIFS_CCS(seg)), omap_readl(EMIFS_ACS(seg)));
32115d157e8SLinus Walleij omap_writel(0x0004a1b3, EMIFS_CCS(seg)); /* synch mode 4 etc */
32215d157e8SLinus Walleij omap_writel(0x00000000, EMIFS_ACS(seg)); /* OE hold/setup */
32315d157e8SLinus Walleij }
32415d157e8SLinus Walleij
32515d157e8SLinus Walleij static struct gpiod_lookup_table osk_usb_gpio_table = {
326dbdf9cedSTony Lindgren .dev_id = "ohci",
327dbdf9cedSTony Lindgren .table = {
328dbdf9cedSTony Lindgren /* Power GPIO on the I2C-attached TPS65010 */
329dbdf9cedSTony Lindgren GPIO_LOOKUP("tps65010", OSK_TPS_GPIO_USB_PWR_EN, "power",
330dbdf9cedSTony Lindgren GPIO_ACTIVE_HIGH),
33177c2f02eSPaul Bolle GPIO_LOOKUP(OMAP_GPIO_LABEL, 9, "overcurrent",
332dbdf9cedSTony Lindgren GPIO_ACTIVE_HIGH),
333dbdf9cedSTony Lindgren { }
334dbdf9cedSTony Lindgren },
335dbdf9cedSTony Lindgren };
336dbdf9cedSTony Lindgren
337dbdf9cedSTony Lindgren static struct omap_usb_config osk_usb_config __initdata = {
338dbdf9cedSTony Lindgren /* has usb host connector (A) ... for development it can also
339dbdf9cedSTony Lindgren * be used, with a NONSTANDARD gender-bending cable/dongle, as
340dbdf9cedSTony Lindgren * a peripheral.
341dbdf9cedSTony Lindgren */
3429b6553cdSTony Lindgren #if IS_ENABLED(CONFIG_USB_OMAP)
3439b6553cdSTony Lindgren .register_dev = 1,
344dbdf9cedSTony Lindgren .hmc_mode = 0,
345dbdf9cedSTony Lindgren #else
346030b1545STony Lindgren .register_host = 1,
347030b1545STony Lindgren .hmc_mode = 16,
348c2cdaffeSTony Lindgren .rwc = 1,
349d87d44f7SArnd Bergmann #endif
350c2cdaffeSTony Lindgren .pins[0] = 2,
3519b6553cdSTony Lindgren };
3529b6553cdSTony Lindgren
3539b6553cdSTony Lindgren #define EMIFS_CS3_VAL (0x88013141)
3546cbdc8c5SSimon Arlott
3559b6553cdSTony Lindgren static struct gpiod_lookup_table osk_irq_gpio_table = {
356030b1545STony Lindgren .dev_id = NULL,
357030b1545STony Lindgren .table = {
358030b1545STony Lindgren /* GPIO used for SMC91x IRQ */
3599b6553cdSTony Lindgren GPIO_LOOKUP(OMAP_GPIO_LABEL, 0, "smc_irq",
3607c38cf02STony Lindgren GPIO_ACTIVE_HIGH),
3617c38cf02STony Lindgren /* GPIO used for CF IRQ */
36246a0a540STarun Kanti DebBarma GPIO_LOOKUP("gpio-48-63", 14, "cf_irq",
36346a0a540STarun Kanti DebBarma GPIO_ACTIVE_HIGH),
36446a0a540STarun Kanti DebBarma /* GPIO used by the TPS65010 chip */
36546a0a540STarun Kanti DebBarma GPIO_LOOKUP("mpuio", 1, "tps65010",
366dbdf9cedSTony Lindgren GPIO_ACTIVE_HIGH),
367f35ae634STony Lindgren /* GPIOs used for serial wakeup IRQs */
368f35ae634STony Lindgren GPIO_LOOKUP_IDX("gpio-32-47", 5, "wakeup", 0,
369f35ae634STony Lindgren GPIO_ACTIVE_HIGH),
370f35ae634STony Lindgren GPIO_LOOKUP_IDX("gpio-16-31", 2, "wakeup", 1,
3717c38cf02STony Lindgren GPIO_ACTIVE_HIGH),
37215d157e8SLinus Walleij GPIO_LOOKUP_IDX("gpio-48-63", 1, "wakeup", 2,
373dd0cdd88STony Lindgren GPIO_ACTIVE_HIGH),
374b0b5aa3fSFelipe Balbi { }
3758056c6cbSDavid Brownell },
3768056c6cbSDavid Brownell };
3778056c6cbSDavid Brownell
osk_init(void)3788056c6cbSDavid Brownell static void __init osk_init(void)
3798056c6cbSDavid Brownell {
3803179a019STony Lindgren struct gpio_desc *d;
38146a0a540STarun Kanti DebBarma u32 l;
3821ed16a86SJarkko Nikula
3831ed16a86SJarkko Nikula osk_init_smc91x();
384dbdf9cedSTony Lindgren osk_init_cf(2); /* CS2 */
385dbdf9cedSTony Lindgren
386dbdf9cedSTony Lindgren /* Workaround for wrong CS3 (NOR flash) timing
387dbdf9cedSTony Lindgren * There are some U-Boot versions out there which configure
388246e389dSNicolas Pitre * wrong CS3 memory timings. This mainly leads to CRC
389*9a99b142SArnd Bergmann * or similar errors if you use NOR flash (e.g. with JFFS2)
3907b88e62fSTony Lindgren */
3917b88e62fSTony Lindgren l = omap_readl(EMIFS_CCS(3));
392dbdf9cedSTony Lindgren if (l != EMIFS_CS3_VAL)
39382c3bd03SShawn Guo omap_writel(EMIFS_CS3_VAL, EMIFS_CCS(3));
3946bb27d73SStephen Warren
395baa95883SRussell King osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
396dbdf9cedSTony Lindgren osk_flash_resource.end += SZ_32M - 1;
397
398 /*
399 * Add the GPIOs to be used as IRQs and immediately look them up
400 * to be passed as an IRQ resource. This is ugly but should work
401 * until the day we convert to device tree.
402 */
403 gpiod_add_lookup_table(&osk_irq_gpio_table);
404
405 d = gpiod_get(NULL, "smc_irq", GPIOD_IN);
406 if (IS_ERR(d)) {
407 pr_err("Unable to get SMC IRQ GPIO descriptor\n");
408 } else {
409 irq_set_irq_type(gpiod_to_irq(d), IRQ_TYPE_EDGE_RISING);
410 osk5912_smc91x_resources[1] = DEFINE_RES_IRQ(gpiod_to_irq(d));
411 }
412
413 d = gpiod_get(NULL, "cf_irq", GPIOD_IN);
414 if (IS_ERR(d)) {
415 pr_err("Unable to get CF IRQ GPIO descriptor\n");
416 } else {
417 /* the CF I/O IRQ is really active-low */
418 irq_set_irq_type(gpiod_to_irq(d), IRQ_TYPE_EDGE_FALLING);
419 osk5912_cf_resources[0] = DEFINE_RES_IRQ(gpiod_to_irq(d));
420 }
421
422 platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
423
424 l = omap_readl(USB_TRANSCEIVER_CTRL);
425 l |= (3 << 1);
426 omap_writel(l, USB_TRANSCEIVER_CTRL);
427
428 gpiod_add_lookup_table(&osk_usb_gpio_table);
429 omap1_usb_init(&osk_usb_config);
430
431 omap_serial_init();
432
433 /* irq for tps65010 chip */
434 /* bootloader effectively does: omap_cfg_reg(U19_1610_MPUIO1); */
435 d = gpiod_get(NULL, "tps65010", GPIOD_IN);
436 if (IS_ERR(d))
437 pr_err("Unable to get TPS65010 IRQ GPIO descriptor\n");
438 else
439 osk_i2c_board_info[0].irq = gpiod_to_irq(d);
440 omap_register_i2c_bus(1, 400, osk_i2c_board_info,
441 ARRAY_SIZE(osk_i2c_board_info));
442 }
443
444 MACHINE_START(OMAP_OSK, "TI-OSK")
445 /* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
446 .atag_offset = 0x100,
447 .map_io = omap1_map_io,
448 .init_early = omap1_init_early,
449 .init_irq = omap1_init_irq,
450 .init_machine = osk_init,
451 .init_late = omap1_init_late,
452 .init_time = omap1_timer_init,
453 .restart = omap1_restart,
454 MACHINE_END
455