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"
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 #if IS_ENABLED(CONFIG_OMAP_IOMMU)
48 int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request,
51 static inline int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev,
52 bool request, u8 *pwrst)
58 #ifdef CONFIG_MACH_NOKIA_N8X0
59 static void __init omap2420_n8x0_legacy_init(void)
61 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
64 #define omap2420_n8x0_legacy_init NULL
67 #ifdef CONFIG_ARCH_OMAP3
69 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
70 * mode for MMC1 in case bootloader did not configure things.
71 * Note that if the pins are used for MMC1, pbias-regulator
72 * manages the IO voltage.
74 static void __init omap3_gpio126_127_129(void)
78 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
79 reg &= ~OMAP343X_PBIASLITEVMODE1;
80 reg |= OMAP343X_PBIASLITEPWRDNZ1;
81 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
82 if (cpu_is_omap3630()) {
83 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
84 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
85 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
89 static void __init hsmmc2_internal_input_clk(void)
93 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
94 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
95 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
98 static struct iommu_platform_data omap3_iommu_pdata = {
100 .assert_reset = omap_device_assert_hardreset,
101 .deassert_reset = omap_device_deassert_hardreset,
102 .device_enable = omap_device_enable,
103 .device_idle = omap_device_idle,
106 static struct iommu_platform_data omap3_iommu_isp_pdata = {
107 .device_enable = omap_device_enable,
108 .device_idle = omap_device_idle,
111 static int omap3_sbc_t3730_twl_callback(struct device *dev,
117 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
122 gpio_export(gpio, 0);
127 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
129 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
132 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
137 gpio_export(gpio, 0);
140 gpio_set_value(gpio, 1);
144 static void __init omap3_sbc_t3730_twl_init(void)
146 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
149 static void __init omap3_sbc_t3730_legacy_init(void)
151 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
154 static void __init omap3_sbc_t3530_legacy_init(void)
156 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
159 static struct ti_st_plat_data wilink_pdata = {
160 .nshutdown_gpio = 137,
161 .dev_name = "/dev/ttyO1",
166 static struct platform_device wl18xx_device = {
170 .platform_data = &wilink_pdata,
174 static struct ti_st_plat_data wilink7_pdata = {
175 .nshutdown_gpio = 162,
176 .dev_name = "/dev/ttyO1",
178 .baud_rate = 3000000,
181 static struct platform_device wl128x_device = {
185 .platform_data = &wilink7_pdata,
189 static struct platform_device btwilink_device = {
194 static void __init omap3_igep0020_rev_f_legacy_init(void)
196 platform_device_register(&wl18xx_device);
197 platform_device_register(&btwilink_device);
200 static void __init omap3_igep0030_rev_g_legacy_init(void)
202 platform_device_register(&wl18xx_device);
203 platform_device_register(&btwilink_device);
206 static void __init omap3_evm_legacy_init(void)
208 hsmmc2_internal_input_clk();
211 static void am35xx_enable_emac_int(void)
215 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
216 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
217 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
218 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
219 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
222 static void am35xx_disable_emac_int(void)
226 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
227 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
228 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
229 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
232 static struct emac_platform_data am35xx_emac_pdata = {
233 .interrupt_enable = am35xx_enable_emac_int,
234 .interrupt_disable = am35xx_disable_emac_int,
237 static void __init am35xx_emac_reset(void)
241 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
242 v &= ~AM35XX_CPGMACSS_SW_RST;
243 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
244 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
247 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
248 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
249 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
252 static void __init omap3_sbc_t3517_wifi_init(void)
254 int err = gpio_request_array(cm_t3517_wlan_gpios,
255 ARRAY_SIZE(cm_t3517_wlan_gpios));
257 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
261 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
262 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
265 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
268 static void __init omap3_sbc_t3517_legacy_init(void)
270 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
271 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
273 hsmmc2_internal_input_clk();
274 omap3_sbc_t3517_wifi_init();
277 static void __init am3517_evm_legacy_init(void)
282 static void __init nokia_n900_legacy_init(void)
284 hsmmc2_internal_input_clk();
285 mmc_pdata[0].name = "external";
286 mmc_pdata[1].name = "internal";
288 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
289 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
290 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
292 rx51_secure_update_aux_cr(BIT(6), 0);
294 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
295 pr_warn("Thumb binaries may crash randomly without this workaround\n");
300 static void __init omap3_tao3530_legacy_init(void)
302 hsmmc2_internal_input_clk();
305 static void __init omap3_logicpd_torpedo_init(void)
307 omap3_gpio126_127_129();
308 platform_device_register(&wl128x_device);
309 platform_device_register(&btwilink_device);
312 /* omap3pandora legacy devices */
314 static struct platform_device pandora_backlight = {
315 .name = "pandora-backlight",
319 static void __init omap3_pandora_legacy_init(void)
321 platform_device_register(&pandora_backlight);
323 #endif /* CONFIG_ARCH_OMAP3 */
325 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
326 static struct wkup_m3_platform_data wkup_m3_data = {
327 .reset_name = "wkup_m3",
328 .assert_reset = omap_device_assert_hardreset,
329 .deassert_reset = omap_device_deassert_hardreset,
333 #ifdef CONFIG_SOC_OMAP5
334 static void __init omap5_uevm_legacy_init(void)
339 #ifdef CONFIG_SOC_DRA7XX
340 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
341 .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
344 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
345 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
346 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
348 static void __init dra7x_evm_mmc_quirk(void)
350 if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
351 dra7_hsmmc_data_mmc1.version = "rev11";
352 dra7_hsmmc_data_mmc1.max_freq = 96000000;
354 dra7_hsmmc_data_mmc2.version = "rev11";
355 dra7_hsmmc_data_mmc2.max_freq = 48000000;
357 dra7_hsmmc_data_mmc3.version = "rev11";
358 dra7_hsmmc_data_mmc3.max_freq = 48000000;
363 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
365 struct clk_hw *hw = __clk_get_hw(clk);
366 struct clockdomain *clkdm = NULL;
367 struct clk_hw_omap *hwclk;
369 hwclk = to_clk_hw_omap(hw);
370 if (!omap2_clk_is_hw_omap(hw))
373 if (hwclk && hwclk->clkdm_name)
374 clkdm = clkdm_lookup(hwclk->clkdm_name);
380 * ti_sysc_clkdm_init - find clockdomain based on clock
381 * @fck: device functional clock
382 * @ick: device interface clock
383 * @dev: struct device
385 * Populate clockdomain based on clock. It is needed for
386 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
387 * clockdomain idle during reset, enable and idle.
389 * Note that we assume interconnect driver manages the clocks
390 * and do not need to populate oh->_clk for dynamically
393 static int ti_sysc_clkdm_init(struct device *dev,
394 struct clk *fck, struct clk *ick,
395 struct ti_sysc_cookie *cookie)
398 cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
402 cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
409 static void ti_sysc_clkdm_deny_idle(struct device *dev,
410 const struct ti_sysc_cookie *cookie)
413 clkdm_deny_idle(cookie->clkdm);
416 static void ti_sysc_clkdm_allow_idle(struct device *dev,
417 const struct ti_sysc_cookie *cookie)
420 clkdm_allow_idle(cookie->clkdm);
423 static int ti_sysc_enable_module(struct device *dev,
424 const struct ti_sysc_cookie *cookie)
429 return omap_hwmod_enable(cookie->data);
432 static int ti_sysc_idle_module(struct device *dev,
433 const struct ti_sysc_cookie *cookie)
438 return omap_hwmod_idle(cookie->data);
441 static int ti_sysc_shutdown_module(struct device *dev,
442 const struct ti_sysc_cookie *cookie)
447 return omap_hwmod_shutdown(cookie->data);
450 static struct of_dev_auxdata omap_auxdata_lookup[];
452 static struct ti_sysc_platform_data ti_sysc_pdata = {
453 .auxdata = omap_auxdata_lookup,
454 .init_clockdomain = ti_sysc_clkdm_init,
455 .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
456 .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
457 .init_module = omap_hwmod_init_module,
458 .enable_module = ti_sysc_enable_module,
459 .idle_module = ti_sysc_idle_module,
460 .shutdown_module = ti_sysc_shutdown_module,
463 static struct pcs_pdata pcs_pdata;
465 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
468 pcs_pdata.rearm = rearm;
472 * GPIOs for TWL are initialized by the I2C bus and need custom
473 * handing until DSS has device tree bindings.
475 void omap_auxdata_legacy_init(struct device *dev)
477 if (dev->platform_data)
480 if (strcmp("twl4030-gpio", dev_name(dev)))
483 dev->platform_data = &twl_gpio_auxdata;
486 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
487 static struct omap_mcbsp_platform_data mcbsp_pdata;
488 static void __init omap3_mcbsp_init(void)
490 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
493 static void __init omap3_mcbsp_init(void) {}
497 * Few boards still need auxdata populated before we populate
498 * the dev entries in of_platform_populate().
500 static struct pdata_init auxdata_quirks[] __initdata = {
501 #ifdef CONFIG_SOC_OMAP2420
502 { "nokia,n800", omap2420_n8x0_legacy_init, },
503 { "nokia,n810", omap2420_n8x0_legacy_init, },
504 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
506 #ifdef CONFIG_ARCH_OMAP3
507 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
512 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
514 static struct of_dev_auxdata omap_auxdata_lookup[] = {
515 #ifdef CONFIG_MACH_NOKIA_N8X0
516 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
517 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
518 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
520 #ifdef CONFIG_ARCH_OMAP3
521 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
523 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
524 &omap3_iommu_isp_pdata),
525 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
526 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
527 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
528 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
529 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
530 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
532 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
533 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
535 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
536 /* McBSP modules with sidetone core */
537 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
538 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
539 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
542 #ifdef CONFIG_SOC_AM33XX
543 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
546 #ifdef CONFIG_SOC_AM43XX
547 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
550 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
551 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
552 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
553 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
554 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
555 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
556 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
558 #ifdef CONFIG_SOC_DRA7XX
559 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
560 &dra7_hsmmc_data_mmc1),
561 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
562 &dra7_hsmmc_data_mmc2),
563 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
564 &dra7_hsmmc_data_mmc3),
565 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
566 &dra7_ipu1_dsp_iommu_pdata),
567 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
568 &dra7_ipu1_dsp_iommu_pdata),
569 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
570 &dra7_ipu1_dsp_iommu_pdata),
573 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
574 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
579 * Few boards still need to initialize some legacy devices with
580 * platform data until the drivers support device tree.
582 static struct pdata_init pdata_quirks[] __initdata = {
583 #ifdef CONFIG_ARCH_OMAP3
584 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
585 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
586 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
587 { "nokia,omap3-n900", nokia_n900_legacy_init, },
588 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
589 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
590 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
591 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
592 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
593 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
594 { "ti,am3517-evm", am3517_evm_legacy_init, },
595 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
596 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
597 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
599 #ifdef CONFIG_SOC_OMAP5
600 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
602 #ifdef CONFIG_SOC_DRA7XX
603 { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
608 static void pdata_quirks_check(struct pdata_init *quirks)
610 while (quirks->compatible) {
611 if (of_machine_is_compatible(quirks->compatible)) {
619 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
622 * We still need this for omap2420 and omap3 PM to work, others are
623 * using drivers/misc/sram.c already.
625 if (of_machine_is_compatible("ti,omap2420") ||
626 of_machine_is_compatible("ti,omap3"))
627 omap_sdrc_init(NULL, NULL);
629 if (of_machine_is_compatible("ti,omap3"))
631 pdata_quirks_check(auxdata_quirks);
632 of_platform_populate(NULL, omap_dt_match_table,
633 omap_auxdata_lookup, NULL);
634 pdata_quirks_check(pdata_quirks);