1 // SPDX-License-Identifier: GPL-2.0-only
3 * Legacy platform_data quirks
5 * Copyright (C) 2013 Texas Instruments
8 #include <linux/davinci_emac.h>
9 #include <linux/gpio.h>
10 #include <linux/gpio/machine.h>
11 #include <linux/init.h>
12 #include <linux/kernel.h>
13 #include <linux/of_platform.h>
14 #include <linux/ti_wilink_st.h>
15 #include <linux/wl12xx.h>
16 #include <linux/mmc/card.h>
17 #include <linux/mmc/host.h>
18 #include <linux/power/smartreflex.h>
19 #include <linux/regulator/machine.h>
20 #include <linux/regulator/fixed.h>
22 #include <linux/platform_data/pinctrl-single.h>
23 #include <linux/platform_data/hsmmc-omap.h>
24 #include <linux/platform_data/iommu-omap.h>
25 #include <linux/platform_data/ti-sysc.h>
26 #include <linux/platform_data/wkup_m3.h>
27 #include <linux/platform_data/asoc-ti-mcbsp.h>
30 #include "common-board-devices.h"
32 #include "omap_device.h"
33 #include "omap-secure.h"
37 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
40 const char *compatible;
44 static struct of_dev_auxdata omap_auxdata_lookup[];
45 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
47 #ifdef CONFIG_MACH_NOKIA_N8X0
48 static void __init omap2420_n8x0_legacy_init(void)
50 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
53 #define omap2420_n8x0_legacy_init NULL
56 #ifdef CONFIG_ARCH_OMAP3
58 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
59 * mode for MMC1 in case bootloader did not configure things.
60 * Note that if the pins are used for MMC1, pbias-regulator
61 * manages the IO voltage.
63 static void __init omap3_gpio126_127_129(void)
67 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
68 reg &= ~OMAP343X_PBIASLITEVMODE1;
69 reg |= OMAP343X_PBIASLITEPWRDNZ1;
70 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
71 if (cpu_is_omap3630()) {
72 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
73 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
74 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
78 static void __init hsmmc2_internal_input_clk(void)
82 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
83 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
84 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
87 static struct iommu_platform_data omap3_iommu_pdata = {
89 .assert_reset = omap_device_assert_hardreset,
90 .deassert_reset = omap_device_deassert_hardreset,
93 static int omap3_sbc_t3730_twl_callback(struct device *dev,
99 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
104 gpio_export(gpio, 0);
109 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
111 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
114 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
119 gpio_export(gpio, 0);
122 gpio_set_value(gpio, 1);
126 static void __init omap3_sbc_t3730_twl_init(void)
128 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
131 static void __init omap3_sbc_t3730_legacy_init(void)
133 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
136 static void __init omap3_sbc_t3530_legacy_init(void)
138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
141 static struct ti_st_plat_data wilink_pdata = {
142 .nshutdown_gpio = 137,
143 .dev_name = "/dev/ttyO1",
148 static struct platform_device wl18xx_device = {
152 .platform_data = &wilink_pdata,
156 static struct ti_st_plat_data wilink7_pdata = {
157 .nshutdown_gpio = 162,
158 .dev_name = "/dev/ttyO1",
160 .baud_rate = 3000000,
163 static struct platform_device wl128x_device = {
167 .platform_data = &wilink7_pdata,
171 static struct platform_device btwilink_device = {
176 static void __init omap3_igep0020_rev_f_legacy_init(void)
178 platform_device_register(&wl18xx_device);
179 platform_device_register(&btwilink_device);
182 static void __init omap3_igep0030_rev_g_legacy_init(void)
184 platform_device_register(&wl18xx_device);
185 platform_device_register(&btwilink_device);
188 static void __init omap3_evm_legacy_init(void)
190 hsmmc2_internal_input_clk();
193 static void am35xx_enable_emac_int(void)
197 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
198 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
199 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
200 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
201 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
204 static void am35xx_disable_emac_int(void)
208 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
209 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
210 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
211 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
214 static struct emac_platform_data am35xx_emac_pdata = {
215 .interrupt_enable = am35xx_enable_emac_int,
216 .interrupt_disable = am35xx_disable_emac_int,
219 static void __init am35xx_emac_reset(void)
223 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
224 v &= ~AM35XX_CPGMACSS_SW_RST;
225 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
226 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
229 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
230 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
231 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
234 static void __init omap3_sbc_t3517_wifi_init(void)
236 int err = gpio_request_array(cm_t3517_wlan_gpios,
237 ARRAY_SIZE(cm_t3517_wlan_gpios));
239 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
243 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
244 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
247 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
250 static void __init omap3_sbc_t3517_legacy_init(void)
252 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
253 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
255 hsmmc2_internal_input_clk();
256 omap3_sbc_t3517_wifi_init();
259 static void __init am3517_evm_legacy_init(void)
264 static struct platform_device omap3_rom_rng_device = {
265 .name = "omap3-rom-rng",
268 .platform_data = rx51_secure_rng_call,
272 static void __init nokia_n900_legacy_init(void)
274 hsmmc2_internal_input_clk();
275 mmc_pdata[0].name = "external";
276 mmc_pdata[1].name = "internal";
278 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
279 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
280 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
282 rx51_secure_update_aux_cr(BIT(6), 0);
284 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
285 pr_warn("Thumb binaries may crash randomly without this workaround\n");
288 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
289 platform_device_register(&omap3_rom_rng_device);
293 static void __init omap3_tao3530_legacy_init(void)
295 hsmmc2_internal_input_clk();
298 static void __init omap3_logicpd_torpedo_init(void)
300 omap3_gpio126_127_129();
301 platform_device_register(&wl128x_device);
302 platform_device_register(&btwilink_device);
305 /* omap3pandora legacy devices */
306 #define PANDORA_WIFI_IRQ_GPIO 21
307 #define PANDORA_WIFI_NRESET_GPIO 23
309 static struct platform_device pandora_backlight = {
310 .name = "pandora-backlight",
314 static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
315 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
318 static struct regulator_init_data pandora_vmmc3 = {
320 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
322 .num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
323 .consumer_supplies = pandora_vmmc3_supply,
326 static struct fixed_voltage_config pandora_vwlan = {
327 .supply_name = "vwlan",
328 .microvolts = 1800000, /* 1.8V */
329 .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 struct gpiod_lookup_table pandora_vwlan_gpiod_table = {
342 .dev_id = "reg-fixed-voltage.1",
345 * As this is a low GPIO number it should be at the first
348 GPIO_LOOKUP("gpio-0-31", PANDORA_WIFI_NRESET_GPIO,
349 NULL, GPIO_ACTIVE_HIGH),
354 static void pandora_wl1251_init_card(struct mmc_card *card)
357 * We have TI wl1251 attached to MMC3. Pass this information to
358 * SDIO core because it can't be probed by normal methods.
360 if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
361 card->quirks |= MMC_QUIRK_NONSTD_SDIO;
362 card->cccr.wide_bus = 1;
363 card->cis.vendor = 0x104c;
364 card->cis.device = 0x9066;
365 card->cis.blksize = 512;
366 card->cis.max_dtr = 24000000;
371 static struct omap2_hsmmc_info pandora_mmc3[] = {
374 .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 gpiod_add_lookup_table(&pandora_vwlan_gpiod_table);
414 platform_device_register(&pandora_vwlan_device);
415 omap_hsmmc_init(pandora_mmc3);
416 omap_hsmmc_late_init(pandora_mmc3);
417 pandora_wl1251_init();
419 #endif /* CONFIG_ARCH_OMAP3 */
421 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
422 static struct iommu_platform_data omap4_iommu_pdata = {
423 .reset_name = "mmu_cache",
424 .assert_reset = omap_device_assert_hardreset,
425 .deassert_reset = omap_device_deassert_hardreset,
429 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
430 static struct wkup_m3_platform_data wkup_m3_data = {
431 .reset_name = "wkup_m3",
432 .assert_reset = omap_device_assert_hardreset,
433 .deassert_reset = omap_device_deassert_hardreset,
437 #ifdef CONFIG_SOC_OMAP5
438 static void __init omap5_uevm_legacy_init(void)
443 #ifdef CONFIG_SOC_DRA7XX
444 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
445 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
446 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
448 static void __init dra7x_evm_mmc_quirk(void)
450 if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
451 dra7_hsmmc_data_mmc1.version = "rev11";
452 dra7_hsmmc_data_mmc1.max_freq = 96000000;
454 dra7_hsmmc_data_mmc2.version = "rev11";
455 dra7_hsmmc_data_mmc2.max_freq = 48000000;
457 dra7_hsmmc_data_mmc3.version = "rev11";
458 dra7_hsmmc_data_mmc3.max_freq = 48000000;
463 static int ti_sysc_enable_module(struct device *dev,
464 const struct ti_sysc_cookie *cookie)
469 return omap_hwmod_enable(cookie->data);
472 static int ti_sysc_idle_module(struct device *dev,
473 const struct ti_sysc_cookie *cookie)
478 return omap_hwmod_idle(cookie->data);
481 static int ti_sysc_shutdown_module(struct device *dev,
482 const struct ti_sysc_cookie *cookie)
487 return omap_hwmod_shutdown(cookie->data);
490 static struct of_dev_auxdata omap_auxdata_lookup[];
492 static struct ti_sysc_platform_data ti_sysc_pdata = {
493 .auxdata = omap_auxdata_lookup,
494 .init_module = omap_hwmod_init_module,
495 .enable_module = ti_sysc_enable_module,
496 .idle_module = ti_sysc_idle_module,
497 .shutdown_module = ti_sysc_shutdown_module,
500 static struct pcs_pdata pcs_pdata;
502 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
505 pcs_pdata.rearm = rearm;
509 * GPIOs for TWL are initialized by the I2C bus and need custom
510 * handing until DSS has device tree bindings.
512 void omap_auxdata_legacy_init(struct device *dev)
514 if (dev->platform_data)
517 if (strcmp("twl4030-gpio", dev_name(dev)))
520 dev->platform_data = &twl_gpio_auxdata;
523 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
524 static struct omap_mcbsp_platform_data mcbsp_pdata;
525 static void __init omap3_mcbsp_init(void)
527 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
530 static void __init omap3_mcbsp_init(void) {}
534 * Few boards still need auxdata populated before we populate
535 * the dev entries in of_platform_populate().
537 static struct pdata_init auxdata_quirks[] __initdata = {
538 #ifdef CONFIG_SOC_OMAP2420
539 { "nokia,n800", omap2420_n8x0_legacy_init, },
540 { "nokia,n810", omap2420_n8x0_legacy_init, },
541 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
543 #ifdef CONFIG_ARCH_OMAP3
544 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
549 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
551 static struct of_dev_auxdata omap_auxdata_lookup[] = {
552 #ifdef CONFIG_MACH_NOKIA_N8X0
553 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
554 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
555 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
557 #ifdef CONFIG_ARCH_OMAP3
558 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
560 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
561 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
562 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
563 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
564 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
565 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
567 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
568 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
570 /* McBSP modules with sidetone core */
571 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
572 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
573 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
576 #ifdef CONFIG_SOC_AM33XX
577 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
580 #ifdef CONFIG_SOC_AM43XX
581 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
584 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
585 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
587 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
589 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
590 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
591 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
592 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
593 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
594 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
596 #ifdef CONFIG_SOC_DRA7XX
597 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
598 &dra7_hsmmc_data_mmc1),
599 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
600 &dra7_hsmmc_data_mmc2),
601 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
602 &dra7_hsmmc_data_mmc3),
605 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
606 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
611 * Few boards still need to initialize some legacy devices with
612 * platform data until the drivers support device tree.
614 static struct pdata_init pdata_quirks[] __initdata = {
615 #ifdef CONFIG_ARCH_OMAP3
616 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
617 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
618 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
619 { "nokia,omap3-n900", nokia_n900_legacy_init, },
620 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
621 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
622 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
623 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
624 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
625 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
626 { "ti,am3517-evm", am3517_evm_legacy_init, },
627 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
628 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
629 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
631 #ifdef CONFIG_SOC_OMAP5
632 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
634 #ifdef CONFIG_SOC_DRA7XX
635 { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
640 static void pdata_quirks_check(struct pdata_init *quirks)
642 while (quirks->compatible) {
643 if (of_machine_is_compatible(quirks->compatible)) {
651 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
654 * We still need this for omap2420 and omap3 PM to work, others are
655 * using drivers/misc/sram.c already.
657 if (of_machine_is_compatible("ti,omap2420") ||
658 of_machine_is_compatible("ti,omap3"))
659 omap_sdrc_init(NULL, NULL);
661 if (of_machine_is_compatible("ti,omap3"))
663 pdata_quirks_check(auxdata_quirks);
664 of_platform_populate(NULL, omap_dt_match_table,
665 omap_auxdata_lookup, NULL);
666 pdata_quirks_check(pdata_quirks);