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/init.h>
11 #include <linux/kernel.h>
12 #include <linux/of_platform.h>
13 #include <linux/ti_wilink_st.h>
14 #include <linux/wl12xx.h>
15 #include <linux/mmc/card.h>
16 #include <linux/mmc/host.h>
17 #include <linux/power/smartreflex.h>
18 #include <linux/regulator/machine.h>
19 #include <linux/regulator/fixed.h>
21 #include <linux/platform_data/pinctrl-single.h>
22 #include <linux/platform_data/hsmmc-omap.h>
23 #include <linux/platform_data/iommu-omap.h>
24 #include <linux/platform_data/ti-sysc.h>
25 #include <linux/platform_data/wkup_m3.h>
26 #include <linux/platform_data/asoc-ti-mcbsp.h>
28 #include "clockdomain.h"
30 #include "common-board-devices.h"
32 #include "omap_device.h"
33 #include "omap-secure.h"
36 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
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,
90 .device_enable = omap_device_enable,
91 .device_idle = omap_device_idle,
94 static struct iommu_platform_data omap3_iommu_isp_pdata = {
95 .device_enable = omap_device_enable,
96 .device_idle = omap_device_idle,
99 static int omap3_sbc_t3730_twl_callback(struct device *dev,
105 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
110 gpio_export(gpio, 0);
115 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
117 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
120 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
125 gpio_export(gpio, 0);
128 gpio_set_value(gpio, 1);
132 static void __init omap3_sbc_t3730_twl_init(void)
134 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
137 static void __init omap3_sbc_t3730_legacy_init(void)
139 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
142 static void __init omap3_sbc_t3530_legacy_init(void)
144 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
147 static struct ti_st_plat_data wilink_pdata = {
148 .nshutdown_gpio = 137,
149 .dev_name = "/dev/ttyO1",
154 static struct platform_device wl18xx_device = {
158 .platform_data = &wilink_pdata,
162 static struct ti_st_plat_data wilink7_pdata = {
163 .nshutdown_gpio = 162,
164 .dev_name = "/dev/ttyO1",
166 .baud_rate = 3000000,
169 static struct platform_device wl128x_device = {
173 .platform_data = &wilink7_pdata,
177 static struct platform_device btwilink_device = {
182 static void __init omap3_igep0020_rev_f_legacy_init(void)
184 platform_device_register(&wl18xx_device);
185 platform_device_register(&btwilink_device);
188 static void __init omap3_igep0030_rev_g_legacy_init(void)
190 platform_device_register(&wl18xx_device);
191 platform_device_register(&btwilink_device);
194 static void __init omap3_evm_legacy_init(void)
196 hsmmc2_internal_input_clk();
199 static void am35xx_enable_emac_int(void)
203 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
204 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
205 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
206 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
207 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
210 static void am35xx_disable_emac_int(void)
214 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
215 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
216 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
217 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
220 static struct emac_platform_data am35xx_emac_pdata = {
221 .interrupt_enable = am35xx_enable_emac_int,
222 .interrupt_disable = am35xx_disable_emac_int,
225 static void __init am35xx_emac_reset(void)
229 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
230 v &= ~AM35XX_CPGMACSS_SW_RST;
231 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
232 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
235 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
236 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
237 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
240 static void __init omap3_sbc_t3517_wifi_init(void)
242 int err = gpio_request_array(cm_t3517_wlan_gpios,
243 ARRAY_SIZE(cm_t3517_wlan_gpios));
245 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
249 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
250 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
253 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
256 static void __init omap3_sbc_t3517_legacy_init(void)
258 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
259 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
261 hsmmc2_internal_input_clk();
262 omap3_sbc_t3517_wifi_init();
265 static void __init am3517_evm_legacy_init(void)
270 static void __init nokia_n900_legacy_init(void)
272 hsmmc2_internal_input_clk();
273 mmc_pdata[0].name = "external";
274 mmc_pdata[1].name = "internal";
276 if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
277 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
278 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
280 rx51_secure_update_aux_cr(BIT(6), 0);
282 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
283 pr_warn("Thumb binaries may crash randomly without this workaround\n");
288 static void __init omap3_tao3530_legacy_init(void)
290 hsmmc2_internal_input_clk();
293 static void __init omap3_logicpd_torpedo_init(void)
295 omap3_gpio126_127_129();
296 platform_device_register(&wl128x_device);
297 platform_device_register(&btwilink_device);
300 /* omap3pandora legacy devices */
302 static struct platform_device pandora_backlight = {
303 .name = "pandora-backlight",
307 static void __init omap3_pandora_legacy_init(void)
309 platform_device_register(&pandora_backlight);
311 #endif /* CONFIG_ARCH_OMAP3 */
313 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
314 static struct iommu_platform_data omap4_iommu_pdata = {
315 .reset_name = "mmu_cache",
316 .assert_reset = omap_device_assert_hardreset,
317 .deassert_reset = omap_device_deassert_hardreset,
318 .device_enable = omap_device_enable,
319 .device_idle = omap_device_idle,
323 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
324 static struct wkup_m3_platform_data wkup_m3_data = {
325 .reset_name = "wkup_m3",
326 .assert_reset = omap_device_assert_hardreset,
327 .deassert_reset = omap_device_deassert_hardreset,
331 #ifdef CONFIG_SOC_OMAP5
332 static void __init omap5_uevm_legacy_init(void)
337 #ifdef CONFIG_SOC_DRA7XX
338 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
339 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
340 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
342 static void __init dra7x_evm_mmc_quirk(void)
344 if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
345 dra7_hsmmc_data_mmc1.version = "rev11";
346 dra7_hsmmc_data_mmc1.max_freq = 96000000;
348 dra7_hsmmc_data_mmc2.version = "rev11";
349 dra7_hsmmc_data_mmc2.max_freq = 48000000;
351 dra7_hsmmc_data_mmc3.version = "rev11";
352 dra7_hsmmc_data_mmc3.max_freq = 48000000;
357 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
359 struct clockdomain *clkdm = NULL;
360 struct clk_hw_omap *hwclk;
362 hwclk = to_clk_hw_omap(__clk_get_hw(clk));
363 if (hwclk && hwclk->clkdm_name)
364 clkdm = clkdm_lookup(hwclk->clkdm_name);
370 * ti_sysc_clkdm_init - find clockdomain based on clock
371 * @fck: device functional clock
372 * @ick: device interface clock
373 * @dev: struct device
375 * Populate clockdomain based on clock. It is needed for
376 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
377 * clockdomain idle during reset, enable and idle.
379 * Note that we assume interconnect driver manages the clocks
380 * and do not need to populate oh->_clk for dynamically
383 static int ti_sysc_clkdm_init(struct device *dev,
384 struct clk *fck, struct clk *ick,
385 struct ti_sysc_cookie *cookie)
388 cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
392 cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
399 static void ti_sysc_clkdm_deny_idle(struct device *dev,
400 const struct ti_sysc_cookie *cookie)
403 clkdm_deny_idle(cookie->clkdm);
406 static void ti_sysc_clkdm_allow_idle(struct device *dev,
407 const struct ti_sysc_cookie *cookie)
410 clkdm_allow_idle(cookie->clkdm);
413 static int ti_sysc_enable_module(struct device *dev,
414 const struct ti_sysc_cookie *cookie)
419 return omap_hwmod_enable(cookie->data);
422 static int ti_sysc_idle_module(struct device *dev,
423 const struct ti_sysc_cookie *cookie)
428 return omap_hwmod_idle(cookie->data);
431 static int ti_sysc_shutdown_module(struct device *dev,
432 const struct ti_sysc_cookie *cookie)
437 return omap_hwmod_shutdown(cookie->data);
440 static struct of_dev_auxdata omap_auxdata_lookup[];
442 static struct ti_sysc_platform_data ti_sysc_pdata = {
443 .auxdata = omap_auxdata_lookup,
444 .init_clockdomain = ti_sysc_clkdm_init,
445 .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
446 .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
447 .init_module = omap_hwmod_init_module,
448 .enable_module = ti_sysc_enable_module,
449 .idle_module = ti_sysc_idle_module,
450 .shutdown_module = ti_sysc_shutdown_module,
453 static struct pcs_pdata pcs_pdata;
455 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
458 pcs_pdata.rearm = rearm;
462 * GPIOs for TWL are initialized by the I2C bus and need custom
463 * handing until DSS has device tree bindings.
465 void omap_auxdata_legacy_init(struct device *dev)
467 if (dev->platform_data)
470 if (strcmp("twl4030-gpio", dev_name(dev)))
473 dev->platform_data = &twl_gpio_auxdata;
476 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
477 static struct omap_mcbsp_platform_data mcbsp_pdata;
478 static void __init omap3_mcbsp_init(void)
480 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
483 static void __init omap3_mcbsp_init(void) {}
487 * Few boards still need auxdata populated before we populate
488 * the dev entries in of_platform_populate().
490 static struct pdata_init auxdata_quirks[] __initdata = {
491 #ifdef CONFIG_SOC_OMAP2420
492 { "nokia,n800", omap2420_n8x0_legacy_init, },
493 { "nokia,n810", omap2420_n8x0_legacy_init, },
494 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
496 #ifdef CONFIG_ARCH_OMAP3
497 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
502 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
504 static struct of_dev_auxdata omap_auxdata_lookup[] = {
505 #ifdef CONFIG_MACH_NOKIA_N8X0
506 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
507 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
508 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
510 #ifdef CONFIG_ARCH_OMAP3
511 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
513 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
514 &omap3_iommu_isp_pdata),
515 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
516 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
517 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
518 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
519 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
520 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
522 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
523 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
525 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
526 /* McBSP modules with sidetone core */
527 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
528 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
529 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
532 #ifdef CONFIG_SOC_AM33XX
533 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
536 #ifdef CONFIG_SOC_AM43XX
537 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
540 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
541 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
543 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
545 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
546 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
547 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
548 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
549 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
550 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
552 #ifdef CONFIG_SOC_DRA7XX
553 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
554 &dra7_hsmmc_data_mmc1),
555 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
556 &dra7_hsmmc_data_mmc2),
557 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
558 &dra7_hsmmc_data_mmc3),
561 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
562 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
567 * Few boards still need to initialize some legacy devices with
568 * platform data until the drivers support device tree.
570 static struct pdata_init pdata_quirks[] __initdata = {
571 #ifdef CONFIG_ARCH_OMAP3
572 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
573 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
574 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
575 { "nokia,omap3-n900", nokia_n900_legacy_init, },
576 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
577 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
578 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
579 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
580 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
581 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
582 { "ti,am3517-evm", am3517_evm_legacy_init, },
583 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
584 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
585 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
587 #ifdef CONFIG_SOC_OMAP5
588 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
590 #ifdef CONFIG_SOC_DRA7XX
591 { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
596 static void pdata_quirks_check(struct pdata_init *quirks)
598 while (quirks->compatible) {
599 if (of_machine_is_compatible(quirks->compatible)) {
607 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
610 * We still need this for omap2420 and omap3 PM to work, others are
611 * using drivers/misc/sram.c already.
613 if (of_machine_is_compatible("ti,omap2420") ||
614 of_machine_is_compatible("ti,omap3"))
615 omap_sdrc_init(NULL, NULL);
617 if (of_machine_is_compatible("ti,omap3"))
619 pdata_quirks_check(auxdata_quirks);
620 of_platform_populate(NULL, omap_dt_match_table,
621 omap_auxdata_lookup, NULL);
622 pdata_quirks_check(pdata_quirks);