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/iommu-omap.h>
25 #include <linux/platform_data/wkup_m3.h>
26 #include <linux/platform_data/pwm_omap_dmtimer.h>
27 #include <plat/dmtimer.h>
30 #include "common-board-devices.h"
31 #include "dss-common.h"
33 #include "omap_device.h"
34 #include "omap-secure.h"
39 const char *compatible
;
43 static struct of_dev_auxdata omap_auxdata_lookup
[];
44 static struct twl4030_gpio_platform_data twl_gpio_auxdata
;
46 #ifdef CONFIG_MACH_NOKIA_N8X0
47 static void __init
omap2420_n8x0_legacy_init(void)
49 omap_auxdata_lookup
[0].platform_data
= n8x0_legacy_init();
52 #define omap2420_n8x0_legacy_init NULL
55 #ifdef CONFIG_ARCH_OMAP3
57 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
58 * mode for MMC1 in case bootloader did not configure things.
59 * Note that if the pins are used for MMC1, pbias-regulator
60 * manages the IO voltage.
62 static void __init
omap3_gpio126_127_129(void)
66 reg
= omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE
);
67 reg
&= ~OMAP343X_PBIASLITEVMODE1
;
68 reg
|= OMAP343X_PBIASLITEPWRDNZ1
;
69 omap_ctrl_writel(reg
, OMAP343X_CONTROL_PBIAS_LITE
);
70 if (cpu_is_omap3630()) {
71 reg
= omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL
);
72 reg
|= OMAP36XX_GPIO_IO_PWRDNZ
;
73 omap_ctrl_writel(reg
, OMAP34XX_CONTROL_WKUP_CTRL
);
77 static void __init
hsmmc2_internal_input_clk(void)
81 reg
= omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1
);
82 reg
|= OMAP2_MMCSDIO2ADPCLKISEL
;
83 omap_ctrl_writel(reg
, OMAP343X_CONTROL_DEVCONF1
);
86 static struct iommu_platform_data omap3_iommu_pdata
= {
88 .assert_reset
= omap_device_assert_hardreset
,
89 .deassert_reset
= omap_device_deassert_hardreset
,
92 static int omap3_sbc_t3730_twl_callback(struct device
*dev
,
98 res
= gpio_request_one(gpio
+ 2, GPIOF_OUT_INIT_HIGH
,
103 gpio_export(gpio
, 0);
108 static void __init
omap3_sbc_t3x_usb_hub_init(int gpio
, char *hub_name
)
110 int err
= gpio_request_one(gpio
, GPIOF_OUT_INIT_LOW
, hub_name
);
113 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
118 gpio_export(gpio
, 0);
121 gpio_set_value(gpio
, 1);
125 static void __init
omap3_sbc_t3730_twl_init(void)
127 twl_gpio_auxdata
.setup
= omap3_sbc_t3730_twl_callback
;
130 static void __init
omap3_sbc_t3730_legacy_init(void)
132 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
135 static void __init
omap3_sbc_t3530_legacy_init(void)
137 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
140 static struct ti_st_plat_data wilink_pdata
= {
141 .nshutdown_gpio
= 137,
142 .dev_name
= "/dev/ttyO1",
147 static struct platform_device wl18xx_device
= {
151 .platform_data
= &wilink_pdata
,
155 static struct ti_st_plat_data wilink7_pdata
= {
156 .nshutdown_gpio
= 162,
157 .dev_name
= "/dev/ttyO1",
162 static struct platform_device wl128x_device
= {
166 .platform_data
= &wilink7_pdata
,
170 static struct platform_device btwilink_device
= {
175 static void __init
omap3_igep0020_rev_f_legacy_init(void)
177 platform_device_register(&wl18xx_device
);
178 platform_device_register(&btwilink_device
);
181 static void __init
omap3_igep0030_rev_g_legacy_init(void)
183 platform_device_register(&wl18xx_device
);
184 platform_device_register(&btwilink_device
);
187 static void __init
omap3_evm_legacy_init(void)
189 hsmmc2_internal_input_clk();
192 static void am35xx_enable_emac_int(void)
196 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
197 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
|
198 AM35XX_CPGMAC_C0_MISC_PULSE_CLR
| AM35XX_CPGMAC_C0_RX_THRESH_CLR
);
199 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
200 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
203 static void am35xx_disable_emac_int(void)
207 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
208 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
);
209 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
210 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
213 static struct emac_platform_data am35xx_emac_pdata
= {
214 .interrupt_enable
= am35xx_enable_emac_int
,
215 .interrupt_disable
= am35xx_disable_emac_int
,
218 static void __init
am35xx_emac_reset(void)
222 v
= omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
);
223 v
&= ~AM35XX_CPGMACSS_SW_RST
;
224 omap_ctrl_writel(v
, AM35XX_CONTROL_IP_SW_RESET
);
225 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
); /* OCP barrier */
228 static struct gpio cm_t3517_wlan_gpios
[] __initdata
= {
229 { 56, GPIOF_OUT_INIT_HIGH
, "wlan pwr" },
230 { 4, GPIOF_OUT_INIT_HIGH
, "xcvr noe" },
233 static void __init
omap3_sbc_t3517_wifi_init(void)
235 int err
= gpio_request_array(cm_t3517_wlan_gpios
,
236 ARRAY_SIZE(cm_t3517_wlan_gpios
));
238 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err
);
242 gpio_export(cm_t3517_wlan_gpios
[0].gpio
, 0);
243 gpio_export(cm_t3517_wlan_gpios
[1].gpio
, 0);
246 gpio_set_value(cm_t3517_wlan_gpios
[1].gpio
, 0);
249 static void __init
omap3_sbc_t3517_legacy_init(void)
251 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
252 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
254 hsmmc2_internal_input_clk();
255 omap3_sbc_t3517_wifi_init();
258 static void __init
am3517_evm_legacy_init(void)
263 static struct platform_device omap3_rom_rng_device
= {
264 .name
= "omap3-rom-rng",
267 .platform_data
= rx51_secure_rng_call
,
271 static void __init
nokia_n900_legacy_init(void)
273 hsmmc2_internal_input_clk();
275 if (omap_type() == OMAP2_DEVICE_TYPE_SEC
) {
276 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973
)) {
277 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
279 rx51_secure_update_aux_cr(BIT(6), 0);
281 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
282 pr_warn("Thumb binaries may crash randomly without this workaround\n");
285 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
286 platform_device_register(&omap3_rom_rng_device
);
291 static void __init
omap3_tao3530_legacy_init(void)
293 hsmmc2_internal_input_clk();
296 static void __init
omap3_logicpd_torpedo_init(void)
298 omap3_gpio126_127_129();
299 platform_device_register(&wl128x_device
);
300 platform_device_register(&btwilink_device
);
303 /* omap3pandora legacy devices */
304 #define PANDORA_WIFI_IRQ_GPIO 21
305 #define PANDORA_WIFI_NRESET_GPIO 23
307 static struct platform_device pandora_backlight
= {
308 .name
= "pandora-backlight",
312 static struct regulator_consumer_supply pandora_vmmc3_supply
[] = {
313 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
316 static struct regulator_init_data pandora_vmmc3
= {
318 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
320 .num_consumer_supplies
= ARRAY_SIZE(pandora_vmmc3_supply
),
321 .consumer_supplies
= pandora_vmmc3_supply
,
324 static struct fixed_voltage_config pandora_vwlan
= {
325 .supply_name
= "vwlan",
326 .microvolts
= 1800000, /* 1.8V */
327 .gpio
= PANDORA_WIFI_NRESET_GPIO
,
328 .startup_delay
= 50000, /* 50ms */
330 .init_data
= &pandora_vmmc3
,
333 static struct platform_device pandora_vwlan_device
= {
334 .name
= "reg-fixed-voltage",
337 .platform_data
= &pandora_vwlan
,
341 static void pandora_wl1251_init_card(struct mmc_card
*card
)
344 * We have TI wl1251 attached to MMC3. Pass this information to
345 * SDIO core because it can't be probed by normal methods.
347 if (card
->type
== MMC_TYPE_SDIO
|| card
->type
== MMC_TYPE_SD_COMBO
) {
348 card
->quirks
|= MMC_QUIRK_NONSTD_SDIO
;
349 card
->cccr
.wide_bus
= 1;
350 card
->cis
.vendor
= 0x104c;
351 card
->cis
.device
= 0x9066;
352 card
->cis
.blksize
= 512;
353 card
->cis
.max_dtr
= 24000000;
358 static struct omap2_hsmmc_info pandora_mmc3
[] = {
361 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_POWER_OFF_CARD
,
364 .init_card
= pandora_wl1251_init_card
,
369 static void __init
pandora_wl1251_init(void)
371 struct wl1251_platform_data pandora_wl1251_pdata
;
374 memset(&pandora_wl1251_pdata
, 0, sizeof(pandora_wl1251_pdata
));
376 pandora_wl1251_pdata
.power_gpio
= -1;
378 ret
= gpio_request_one(PANDORA_WIFI_IRQ_GPIO
, GPIOF_IN
, "wl1251 irq");
382 pandora_wl1251_pdata
.irq
= gpio_to_irq(PANDORA_WIFI_IRQ_GPIO
);
383 if (pandora_wl1251_pdata
.irq
< 0)
386 pandora_wl1251_pdata
.use_eeprom
= true;
387 ret
= wl1251_set_platform_data(&pandora_wl1251_pdata
);
394 gpio_free(PANDORA_WIFI_IRQ_GPIO
);
396 pr_err("wl1251 board initialisation failed\n");
399 static void __init
omap3_pandora_legacy_init(void)
401 platform_device_register(&pandora_backlight
);
402 platform_device_register(&pandora_vwlan_device
);
403 omap_hsmmc_init(pandora_mmc3
);
404 omap_hsmmc_late_init(pandora_mmc3
);
405 pandora_wl1251_init();
407 #endif /* CONFIG_ARCH_OMAP3 */
409 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
410 static struct iommu_platform_data omap4_iommu_pdata
= {
411 .reset_name
= "mmu_cache",
412 .assert_reset
= omap_device_assert_hardreset
,
413 .deassert_reset
= omap_device_deassert_hardreset
,
417 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
418 static struct wkup_m3_platform_data wkup_m3_data
= {
419 .reset_name
= "wkup_m3",
420 .assert_reset
= omap_device_assert_hardreset
,
421 .deassert_reset
= omap_device_deassert_hardreset
,
425 #ifdef CONFIG_SOC_OMAP5
426 static void __init
omap5_uevm_legacy_init(void)
431 static struct pcs_pdata pcs_pdata
;
433 void omap_pcs_legacy_init(int irq
, void (*rearm
)(void))
436 pcs_pdata
.rearm
= rearm
;
440 * GPIOs for TWL are initialized by the I2C bus and need custom
441 * handing until DSS has device tree bindings.
443 void omap_auxdata_legacy_init(struct device
*dev
)
445 if (dev
->platform_data
)
448 if (strcmp("twl4030-gpio", dev_name(dev
)))
451 dev
->platform_data
= &twl_gpio_auxdata
;
454 /* Dual mode timer PWM callbacks platdata */
455 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
456 struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata
= {
457 .request_by_node
= omap_dm_timer_request_by_node
,
458 .free
= omap_dm_timer_free
,
459 .enable
= omap_dm_timer_enable
,
460 .disable
= omap_dm_timer_disable
,
461 .get_fclk
= omap_dm_timer_get_fclk
,
462 .start
= omap_dm_timer_start
,
463 .stop
= omap_dm_timer_stop
,
464 .set_load
= omap_dm_timer_set_load
,
465 .set_match
= omap_dm_timer_set_match
,
466 .set_pwm
= omap_dm_timer_set_pwm
,
467 .set_prescaler
= omap_dm_timer_set_prescaler
,
468 .write_counter
= omap_dm_timer_write_counter
,
473 * Few boards still need auxdata populated before we populate
474 * the dev entries in of_platform_populate().
476 static struct pdata_init auxdata_quirks
[] __initdata
= {
477 #ifdef CONFIG_SOC_OMAP2420
478 { "nokia,n800", omap2420_n8x0_legacy_init
, },
479 { "nokia,n810", omap2420_n8x0_legacy_init
, },
480 { "nokia,n810-wimax", omap2420_n8x0_legacy_init
, },
482 #ifdef CONFIG_ARCH_OMAP3
483 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init
, },
488 static struct of_dev_auxdata omap_auxdata_lookup
[] __initdata
= {
489 #ifdef CONFIG_MACH_NOKIA_N8X0
490 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL
),
491 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data
),
492 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data
),
494 #ifdef CONFIG_ARCH_OMAP3
495 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata
),
496 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata
),
497 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata
),
498 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
501 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL
),
502 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
505 #ifdef CONFIG_SOC_AM33XX
506 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
509 #ifdef CONFIG_ARCH_OMAP4
510 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata
),
511 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata
),
513 #ifdef CONFIG_SOC_OMAP5
514 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata
),
515 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata
),
517 #ifdef CONFIG_SOC_DRA7XX
518 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata
),
520 #ifdef CONFIG_SOC_AM43XX
521 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata
),
522 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
525 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
526 OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL
, &pwm_dmtimer_pdata
),
528 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
529 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
531 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
538 * Few boards still need to initialize some legacy devices with
539 * platform data until the drivers support device tree.
541 static struct pdata_init pdata_quirks
[] __initdata
= {
542 #ifdef CONFIG_ARCH_OMAP3
543 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init
, },
544 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init
, },
545 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init
, },
546 { "nokia,omap3-n900", nokia_n900_legacy_init
, },
547 { "nokia,omap3-n9", hsmmc2_internal_input_clk
, },
548 { "nokia,omap3-n950", hsmmc2_internal_input_clk
, },
549 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init
, },
550 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init
, },
551 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init
, },
552 { "ti,omap3-evm-37xx", omap3_evm_legacy_init
, },
553 { "ti,am3517-evm", am3517_evm_legacy_init
, },
554 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init
, },
555 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init
, },
556 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init
, },
558 #ifdef CONFIG_SOC_OMAP5
559 { "ti,omap5-uevm", omap5_uevm_legacy_init
, },
564 static void pdata_quirks_check(struct pdata_init
*quirks
)
566 while (quirks
->compatible
) {
567 if (of_machine_is_compatible(quirks
->compatible
)) {
576 void __init
pdata_quirks_init(const struct of_device_id
*omap_dt_match_table
)
579 * We still need this for omap2420 and omap3 PM to work, others are
580 * using drivers/misc/sram.c already.
582 if (of_machine_is_compatible("ti,omap2420") ||
583 of_machine_is_compatible("ti,omap3"))
584 omap_sdrc_init(NULL
, NULL
);
586 pdata_quirks_check(auxdata_quirks
);
587 of_platform_populate(NULL
, omap_dt_match_table
,
588 omap_auxdata_lookup
, NULL
);
589 pdata_quirks_check(pdata_quirks
);