2 * Legacy platform_data quirks
4 * Copyright (C) 2013 Texas Instruments
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.
10 #include <linux/clk.h>
11 #include <linux/davinci_emac.h>
12 #include <linux/gpio.h>
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/of_platform.h>
16 #include <linux/ti_wilink_st.h>
17 #include <linux/wl12xx.h>
18 #include <linux/mmc/card.h>
19 #include <linux/mmc/host.h>
20 #include <linux/regulator/machine.h>
21 #include <linux/regulator/fixed.h>
23 #include <linux/platform_data/pinctrl-single.h>
24 #include <linux/platform_data/hsmmc-omap.h>
25 #include <linux/platform_data/iommu-omap.h>
26 #include <linux/platform_data/wkup_m3.h>
27 #include <linux/platform_data/pwm_omap_dmtimer.h>
28 #include <linux/platform_data/media/ir-rx51.h>
29 #include <plat/dmtimer.h>
32 #include "common-board-devices.h"
33 #include "dss-common.h"
35 #include "omap_device.h"
37 #include "omap-secure.h"
41 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata
[2];
44 const char *compatible
;
48 static struct of_dev_auxdata omap_auxdata_lookup
[];
49 static struct twl4030_gpio_platform_data twl_gpio_auxdata
;
51 #ifdef CONFIG_MACH_NOKIA_N8X0
52 static void __init
omap2420_n8x0_legacy_init(void)
54 omap_auxdata_lookup
[0].platform_data
= n8x0_legacy_init();
57 #define omap2420_n8x0_legacy_init NULL
60 #ifdef CONFIG_ARCH_OMAP3
62 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
63 * mode for MMC1 in case bootloader did not configure things.
64 * Note that if the pins are used for MMC1, pbias-regulator
65 * manages the IO voltage.
67 static void __init
omap3_gpio126_127_129(void)
71 reg
= omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE
);
72 reg
&= ~OMAP343X_PBIASLITEVMODE1
;
73 reg
|= OMAP343X_PBIASLITEPWRDNZ1
;
74 omap_ctrl_writel(reg
, OMAP343X_CONTROL_PBIAS_LITE
);
75 if (cpu_is_omap3630()) {
76 reg
= omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL
);
77 reg
|= OMAP36XX_GPIO_IO_PWRDNZ
;
78 omap_ctrl_writel(reg
, OMAP34XX_CONTROL_WKUP_CTRL
);
82 static void __init
hsmmc2_internal_input_clk(void)
86 reg
= omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1
);
87 reg
|= OMAP2_MMCSDIO2ADPCLKISEL
;
88 omap_ctrl_writel(reg
, OMAP343X_CONTROL_DEVCONF1
);
91 static struct iommu_platform_data omap3_iommu_pdata
= {
93 .assert_reset
= omap_device_assert_hardreset
,
94 .deassert_reset
= omap_device_deassert_hardreset
,
97 static int omap3_sbc_t3730_twl_callback(struct device
*dev
,
103 res
= gpio_request_one(gpio
+ 2, GPIOF_OUT_INIT_HIGH
,
108 gpio_export(gpio
, 0);
113 static void __init
omap3_sbc_t3x_usb_hub_init(int gpio
, char *hub_name
)
115 int err
= gpio_request_one(gpio
, GPIOF_OUT_INIT_LOW
, hub_name
);
118 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
123 gpio_export(gpio
, 0);
126 gpio_set_value(gpio
, 1);
130 static void __init
omap3_sbc_t3730_twl_init(void)
132 twl_gpio_auxdata
.setup
= omap3_sbc_t3730_twl_callback
;
135 static void __init
omap3_sbc_t3730_legacy_init(void)
137 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
140 static void __init
omap3_sbc_t3530_legacy_init(void)
142 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
145 static struct ti_st_plat_data wilink_pdata
= {
146 .nshutdown_gpio
= 137,
147 .dev_name
= "/dev/ttyO1",
152 static struct platform_device wl18xx_device
= {
156 .platform_data
= &wilink_pdata
,
160 static struct ti_st_plat_data wilink7_pdata
= {
161 .nshutdown_gpio
= 162,
162 .dev_name
= "/dev/ttyO1",
167 static struct platform_device wl128x_device
= {
171 .platform_data
= &wilink7_pdata
,
175 static struct platform_device btwilink_device
= {
180 static void __init
omap3_igep0020_rev_f_legacy_init(void)
182 platform_device_register(&wl18xx_device
);
183 platform_device_register(&btwilink_device
);
186 static void __init
omap3_igep0030_rev_g_legacy_init(void)
188 platform_device_register(&wl18xx_device
);
189 platform_device_register(&btwilink_device
);
192 static void __init
omap3_evm_legacy_init(void)
194 hsmmc2_internal_input_clk();
197 static void am35xx_enable_emac_int(void)
201 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
202 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
|
203 AM35XX_CPGMAC_C0_MISC_PULSE_CLR
| AM35XX_CPGMAC_C0_RX_THRESH_CLR
);
204 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
205 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
208 static void am35xx_disable_emac_int(void)
212 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
213 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
);
214 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
215 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
218 static struct emac_platform_data am35xx_emac_pdata
= {
219 .interrupt_enable
= am35xx_enable_emac_int
,
220 .interrupt_disable
= am35xx_disable_emac_int
,
223 static void __init
am35xx_emac_reset(void)
227 v
= omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
);
228 v
&= ~AM35XX_CPGMACSS_SW_RST
;
229 omap_ctrl_writel(v
, AM35XX_CONTROL_IP_SW_RESET
);
230 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
); /* OCP barrier */
233 static struct gpio cm_t3517_wlan_gpios
[] __initdata
= {
234 { 56, GPIOF_OUT_INIT_HIGH
, "wlan pwr" },
235 { 4, GPIOF_OUT_INIT_HIGH
, "xcvr noe" },
238 static void __init
omap3_sbc_t3517_wifi_init(void)
240 int err
= gpio_request_array(cm_t3517_wlan_gpios
,
241 ARRAY_SIZE(cm_t3517_wlan_gpios
));
243 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err
);
247 gpio_export(cm_t3517_wlan_gpios
[0].gpio
, 0);
248 gpio_export(cm_t3517_wlan_gpios
[1].gpio
, 0);
251 gpio_set_value(cm_t3517_wlan_gpios
[1].gpio
, 0);
254 static void __init
omap3_sbc_t3517_legacy_init(void)
256 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
257 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
259 hsmmc2_internal_input_clk();
260 omap3_sbc_t3517_wifi_init();
263 static void __init
am3517_evm_legacy_init(void)
268 static struct platform_device omap3_rom_rng_device
= {
269 .name
= "omap3-rom-rng",
272 .platform_data
= rx51_secure_rng_call
,
276 static struct platform_device rx51_lirc_device
;
278 static void __init
nokia_n900_legacy_init(void)
280 hsmmc2_internal_input_clk();
281 mmc_pdata
[0].name
= "external";
282 mmc_pdata
[1].name
= "internal";
284 if (omap_type() == OMAP2_DEVICE_TYPE_SEC
) {
285 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973
)) {
286 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
288 rx51_secure_update_aux_cr(BIT(6), 0);
290 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
291 pr_warn("Thumb binaries may crash randomly without this workaround\n");
294 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
295 platform_device_register(&omap3_rom_rng_device
);
299 platform_device_register(&rx51_lirc_device
);
302 static void __init
omap3_tao3530_legacy_init(void)
304 hsmmc2_internal_input_clk();
307 static void __init
omap3_logicpd_torpedo_init(void)
309 omap3_gpio126_127_129();
310 platform_device_register(&wl128x_device
);
311 platform_device_register(&btwilink_device
);
314 /* omap3pandora legacy devices */
315 #define PANDORA_WIFI_IRQ_GPIO 21
316 #define PANDORA_WIFI_NRESET_GPIO 23
318 static struct platform_device pandora_backlight
= {
319 .name
= "pandora-backlight",
323 static struct regulator_consumer_supply pandora_vmmc3_supply
[] = {
324 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
327 static struct regulator_init_data pandora_vmmc3
= {
329 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
331 .num_consumer_supplies
= ARRAY_SIZE(pandora_vmmc3_supply
),
332 .consumer_supplies
= pandora_vmmc3_supply
,
335 static struct fixed_voltage_config pandora_vwlan
= {
336 .supply_name
= "vwlan",
337 .microvolts
= 1800000, /* 1.8V */
338 .gpio
= PANDORA_WIFI_NRESET_GPIO
,
339 .startup_delay
= 50000, /* 50ms */
341 .init_data
= &pandora_vmmc3
,
344 static struct platform_device pandora_vwlan_device
= {
345 .name
= "reg-fixed-voltage",
348 .platform_data
= &pandora_vwlan
,
352 static void pandora_wl1251_init_card(struct mmc_card
*card
)
355 * We have TI wl1251 attached to MMC3. Pass this information to
356 * SDIO core because it can't be probed by normal methods.
358 if (card
->type
== MMC_TYPE_SDIO
|| card
->type
== MMC_TYPE_SD_COMBO
) {
359 card
->quirks
|= MMC_QUIRK_NONSTD_SDIO
;
360 card
->cccr
.wide_bus
= 1;
361 card
->cis
.vendor
= 0x104c;
362 card
->cis
.device
= 0x9066;
363 card
->cis
.blksize
= 512;
364 card
->cis
.max_dtr
= 24000000;
369 static struct omap2_hsmmc_info pandora_mmc3
[] = {
372 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_POWER_OFF_CARD
,
375 .init_card
= pandora_wl1251_init_card
,
380 static void __init
pandora_wl1251_init(void)
382 struct wl1251_platform_data pandora_wl1251_pdata
;
385 memset(&pandora_wl1251_pdata
, 0, sizeof(pandora_wl1251_pdata
));
387 pandora_wl1251_pdata
.power_gpio
= -1;
389 ret
= gpio_request_one(PANDORA_WIFI_IRQ_GPIO
, GPIOF_IN
, "wl1251 irq");
393 pandora_wl1251_pdata
.irq
= gpio_to_irq(PANDORA_WIFI_IRQ_GPIO
);
394 if (pandora_wl1251_pdata
.irq
< 0)
397 pandora_wl1251_pdata
.use_eeprom
= true;
398 ret
= wl1251_set_platform_data(&pandora_wl1251_pdata
);
405 gpio_free(PANDORA_WIFI_IRQ_GPIO
);
407 pr_err("wl1251 board initialisation failed\n");
410 static void __init
omap3_pandora_legacy_init(void)
412 platform_device_register(&pandora_backlight
);
413 platform_device_register(&pandora_vwlan_device
);
414 omap_hsmmc_init(pandora_mmc3
);
415 omap_hsmmc_late_init(pandora_mmc3
);
416 pandora_wl1251_init();
418 #endif /* CONFIG_ARCH_OMAP3 */
420 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
421 static struct iommu_platform_data omap4_iommu_pdata
= {
422 .reset_name
= "mmu_cache",
423 .assert_reset
= omap_device_assert_hardreset
,
424 .deassert_reset
= omap_device_deassert_hardreset
,
428 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
429 static struct wkup_m3_platform_data wkup_m3_data
= {
430 .reset_name
= "wkup_m3",
431 .assert_reset
= omap_device_assert_hardreset
,
432 .deassert_reset
= omap_device_deassert_hardreset
,
436 #ifdef CONFIG_SOC_OMAP5
437 static void __init
omap5_uevm_legacy_init(void)
442 static struct pcs_pdata pcs_pdata
;
444 void omap_pcs_legacy_init(int irq
, void (*rearm
)(void))
447 pcs_pdata
.rearm
= rearm
;
451 * GPIOs for TWL are initialized by the I2C bus and need custom
452 * handing until DSS has device tree bindings.
454 void omap_auxdata_legacy_init(struct device
*dev
)
456 if (dev
->platform_data
)
459 if (strcmp("twl4030-gpio", dev_name(dev
)))
462 dev
->platform_data
= &twl_gpio_auxdata
;
465 /* Dual mode timer PWM callbacks platdata */
466 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
467 static struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata
= {
468 .request_by_node
= omap_dm_timer_request_by_node
,
469 .request_specific
= omap_dm_timer_request_specific
,
470 .request
= omap_dm_timer_request
,
471 .set_source
= omap_dm_timer_set_source
,
472 .get_irq
= omap_dm_timer_get_irq
,
473 .set_int_enable
= omap_dm_timer_set_int_enable
,
474 .set_int_disable
= omap_dm_timer_set_int_disable
,
475 .free
= omap_dm_timer_free
,
476 .enable
= omap_dm_timer_enable
,
477 .disable
= omap_dm_timer_disable
,
478 .get_fclk
= omap_dm_timer_get_fclk
,
479 .start
= omap_dm_timer_start
,
480 .stop
= omap_dm_timer_stop
,
481 .set_load
= omap_dm_timer_set_load
,
482 .set_match
= omap_dm_timer_set_match
,
483 .set_pwm
= omap_dm_timer_set_pwm
,
484 .set_prescaler
= omap_dm_timer_set_prescaler
,
485 .read_counter
= omap_dm_timer_read_counter
,
486 .write_counter
= omap_dm_timer_write_counter
,
487 .read_status
= omap_dm_timer_read_status
,
488 .write_status
= omap_dm_timer_write_status
,
492 static struct lirc_rx51_platform_data __maybe_unused rx51_lirc_data
= {
493 .set_max_mpu_wakeup_lat
= omap_pm_set_max_mpu_wakeup_lat
,
494 .pwm_timer
= 9, /* Use GPT 9 for CIR */
495 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
496 .dmtimer
= &pwm_dmtimer_pdata
,
500 static struct platform_device __maybe_unused rx51_lirc_device
= {
504 .platform_data
= &rx51_lirc_data
,
509 * Few boards still need auxdata populated before we populate
510 * the dev entries in of_platform_populate().
512 static struct pdata_init auxdata_quirks
[] __initdata
= {
513 #ifdef CONFIG_SOC_OMAP2420
514 { "nokia,n800", omap2420_n8x0_legacy_init
, },
515 { "nokia,n810", omap2420_n8x0_legacy_init
, },
516 { "nokia,n810-wimax", omap2420_n8x0_legacy_init
, },
518 #ifdef CONFIG_ARCH_OMAP3
519 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init
, },
524 static struct of_dev_auxdata omap_auxdata_lookup
[] __initdata
= {
525 #ifdef CONFIG_MACH_NOKIA_N8X0
526 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL
),
527 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data
),
528 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data
),
530 #ifdef CONFIG_ARCH_OMAP3
531 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
533 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata
[0]),
534 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata
[1]),
536 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL
),
537 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
540 #ifdef CONFIG_SOC_AM33XX
541 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
544 #ifdef CONFIG_SOC_AM43XX
545 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
548 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
549 OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL
, &pwm_dmtimer_pdata
),
551 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
552 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
554 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
558 OF_DEV_AUXDATA("pinctrl-single", 0, NULL
, &pcs_pdata
),
563 * Few boards still need to initialize some legacy devices with
564 * platform data until the drivers support device tree.
566 static struct pdata_init pdata_quirks
[] __initdata
= {
567 #ifdef CONFIG_ARCH_OMAP3
568 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init
, },
569 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init
, },
570 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init
, },
571 { "nokia,omap3-n900", nokia_n900_legacy_init
, },
572 { "nokia,omap3-n9", hsmmc2_internal_input_clk
, },
573 { "nokia,omap3-n950", hsmmc2_internal_input_clk
, },
574 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init
, },
575 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init
, },
576 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init
, },
577 { "ti,omap3-evm-37xx", omap3_evm_legacy_init
, },
578 { "ti,am3517-evm", am3517_evm_legacy_init
, },
579 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init
, },
580 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init
, },
581 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init
, },
583 #ifdef CONFIG_SOC_OMAP5
584 { "ti,omap5-uevm", omap5_uevm_legacy_init
, },
589 static void pdata_quirks_check(struct pdata_init
*quirks
)
591 while (quirks
->compatible
) {
592 if (of_machine_is_compatible(quirks
->compatible
)) {
601 void __init
pdata_quirks_init(const struct of_device_id
*omap_dt_match_table
)
604 * We still need this for omap2420 and omap3 PM to work, others are
605 * using drivers/misc/sram.c already.
607 if (of_machine_is_compatible("ti,omap2420") ||
608 of_machine_is_compatible("ti,omap3"))
609 omap_sdrc_init(NULL
, NULL
);
611 pdata_quirks_check(auxdata_quirks
);
612 of_platform_populate(NULL
, omap_dt_match_table
,
613 omap_auxdata_lookup
, NULL
);
614 pdata_quirks_check(pdata_quirks
);