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[linux/fpc-iii.git] / arch / arm / mach-omap2 / pdata-quirks.c
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1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Legacy platform_data quirks
5 * Copyright (C) 2013 Texas Instruments
6 */
7 #include <linux/clk.h>
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/wl12xx.h>
14 #include <linux/mmc/card.h>
15 #include <linux/mmc/host.h>
16 #include <linux/power/smartreflex.h>
17 #include <linux/regulator/machine.h>
18 #include <linux/regulator/fixed.h>
20 #include <linux/platform_data/pinctrl-single.h>
21 #include <linux/platform_data/hsmmc-omap.h>
22 #include <linux/platform_data/iommu-omap.h>
23 #include <linux/platform_data/ti-sysc.h>
24 #include <linux/platform_data/wkup_m3.h>
25 #include <linux/platform_data/asoc-ti-mcbsp.h>
26 #include <linux/platform_data/ti-prm.h>
28 #include "clockdomain.h"
29 #include "common.h"
30 #include "common-board-devices.h"
31 #include "control.h"
32 #include "omap_device.h"
33 #include "omap-secure.h"
34 #include "soc.h"
36 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
38 struct pdata_init {
39 const char *compatible;
40 void (*fn)(void);
43 static struct of_dev_auxdata omap_auxdata_lookup[];
44 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
46 #if IS_ENABLED(CONFIG_OMAP_IOMMU)
47 int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request,
48 u8 *pwrst);
49 #else
50 static inline int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev,
51 bool request, u8 *pwrst)
53 return 0;
55 #endif
57 #ifdef CONFIG_MACH_NOKIA_N8X0
58 static void __init omap2420_n8x0_legacy_init(void)
60 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
62 #else
63 #define omap2420_n8x0_legacy_init NULL
64 #endif
66 #ifdef CONFIG_ARCH_OMAP3
68 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
69 * mode for MMC1 in case bootloader did not configure things.
70 * Note that if the pins are used for MMC1, pbias-regulator
71 * manages the IO voltage.
73 static void __init omap3_gpio126_127_129(void)
75 u32 reg;
77 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
78 reg &= ~OMAP343X_PBIASLITEVMODE1;
79 reg |= OMAP343X_PBIASLITEPWRDNZ1;
80 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
81 if (cpu_is_omap3630()) {
82 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
83 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
84 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
88 static void __init hsmmc2_internal_input_clk(void)
90 u32 reg;
92 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
93 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
94 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
97 static struct iommu_platform_data omap3_iommu_pdata = {
98 .reset_name = "mmu",
99 .assert_reset = omap_device_assert_hardreset,
100 .deassert_reset = omap_device_deassert_hardreset,
101 .device_enable = omap_device_enable,
102 .device_idle = omap_device_idle,
105 static struct iommu_platform_data omap3_iommu_isp_pdata = {
106 .device_enable = omap_device_enable,
107 .device_idle = omap_device_idle,
110 static int omap3_sbc_t3730_twl_callback(struct device *dev,
111 unsigned gpio,
112 unsigned ngpio)
114 int res;
116 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
117 "wlan pwr");
118 if (res)
119 return res;
121 gpio_export(gpio, 0);
123 return 0;
126 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
128 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
130 if (err) {
131 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
132 hub_name, err);
133 return;
136 gpio_export(gpio, 0);
138 udelay(10);
139 gpio_set_value(gpio, 1);
140 msleep(1);
143 static void __init omap3_sbc_t3730_twl_init(void)
145 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
148 static void __init omap3_sbc_t3730_legacy_init(void)
150 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
153 static void __init omap3_sbc_t3530_legacy_init(void)
155 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
158 static void __init omap3_evm_legacy_init(void)
160 hsmmc2_internal_input_clk();
163 static void am35xx_enable_emac_int(void)
165 u32 v;
167 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
168 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
169 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
170 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
171 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
174 static void am35xx_disable_emac_int(void)
176 u32 v;
178 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
179 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
180 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
181 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
184 static struct emac_platform_data am35xx_emac_pdata = {
185 .interrupt_enable = am35xx_enable_emac_int,
186 .interrupt_disable = am35xx_disable_emac_int,
189 static void __init am35xx_emac_reset(void)
191 u32 v;
193 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
194 v &= ~AM35XX_CPGMACSS_SW_RST;
195 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
196 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
199 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
200 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
201 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
204 static void __init omap3_sbc_t3517_wifi_init(void)
206 int err = gpio_request_array(cm_t3517_wlan_gpios,
207 ARRAY_SIZE(cm_t3517_wlan_gpios));
208 if (err) {
209 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
210 return;
213 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
214 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
216 msleep(100);
217 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
220 static void __init omap3_sbc_t3517_legacy_init(void)
222 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
223 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
224 am35xx_emac_reset();
225 hsmmc2_internal_input_clk();
226 omap3_sbc_t3517_wifi_init();
229 static void __init am3517_evm_legacy_init(void)
231 am35xx_emac_reset();
234 static void __init nokia_n900_legacy_init(void)
236 hsmmc2_internal_input_clk();
237 mmc_pdata[0].name = "external";
238 mmc_pdata[1].name = "internal";
240 if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
241 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
242 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
243 /* set IBE to 1 */
244 rx51_secure_update_aux_cr(BIT(6), 0);
245 } else {
246 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
247 pr_warn("Thumb binaries may crash randomly without this workaround\n");
252 static void __init omap3_tao3530_legacy_init(void)
254 hsmmc2_internal_input_clk();
257 static void __init omap3_logicpd_torpedo_init(void)
259 omap3_gpio126_127_129();
262 /* omap3pandora legacy devices */
264 static struct platform_device pandora_backlight = {
265 .name = "pandora-backlight",
266 .id = -1,
269 static void __init omap3_pandora_legacy_init(void)
271 platform_device_register(&pandora_backlight);
273 #endif /* CONFIG_ARCH_OMAP3 */
275 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
276 static struct wkup_m3_platform_data wkup_m3_data = {
277 .reset_name = "wkup_m3",
278 .assert_reset = omap_device_assert_hardreset,
279 .deassert_reset = omap_device_deassert_hardreset,
281 #endif
283 #ifdef CONFIG_SOC_OMAP5
284 static void __init omap5_uevm_legacy_init(void)
287 #endif
289 #ifdef CONFIG_SOC_DRA7XX
290 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
291 .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
294 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
295 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
296 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
298 static void __init dra7x_evm_mmc_quirk(void)
300 if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
301 dra7_hsmmc_data_mmc1.version = "rev11";
302 dra7_hsmmc_data_mmc1.max_freq = 96000000;
304 dra7_hsmmc_data_mmc2.version = "rev11";
305 dra7_hsmmc_data_mmc2.max_freq = 48000000;
307 dra7_hsmmc_data_mmc3.version = "rev11";
308 dra7_hsmmc_data_mmc3.max_freq = 48000000;
311 #endif
313 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
315 struct clk_hw *hw = __clk_get_hw(clk);
316 struct clockdomain *clkdm = NULL;
317 struct clk_hw_omap *hwclk;
319 hwclk = to_clk_hw_omap(hw);
320 if (!omap2_clk_is_hw_omap(hw))
321 return NULL;
323 if (hwclk && hwclk->clkdm_name)
324 clkdm = clkdm_lookup(hwclk->clkdm_name);
326 return clkdm;
330 * ti_sysc_clkdm_init - find clockdomain based on clock
331 * @fck: device functional clock
332 * @ick: device interface clock
333 * @dev: struct device
335 * Populate clockdomain based on clock. It is needed for
336 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
337 * clockdomain idle during reset, enable and idle.
339 * Note that we assume interconnect driver manages the clocks
340 * and do not need to populate oh->_clk for dynamically
341 * allocated modules.
343 static int ti_sysc_clkdm_init(struct device *dev,
344 struct clk *fck, struct clk *ick,
345 struct ti_sysc_cookie *cookie)
347 if (!IS_ERR(fck))
348 cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
349 if (cookie->clkdm)
350 return 0;
351 if (!IS_ERR(ick))
352 cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
353 if (cookie->clkdm)
354 return 0;
356 return -ENODEV;
359 static void ti_sysc_clkdm_deny_idle(struct device *dev,
360 const struct ti_sysc_cookie *cookie)
362 if (cookie->clkdm)
363 clkdm_deny_idle(cookie->clkdm);
366 static void ti_sysc_clkdm_allow_idle(struct device *dev,
367 const struct ti_sysc_cookie *cookie)
369 if (cookie->clkdm)
370 clkdm_allow_idle(cookie->clkdm);
373 static int ti_sysc_enable_module(struct device *dev,
374 const struct ti_sysc_cookie *cookie)
376 if (!cookie->data)
377 return -EINVAL;
379 return omap_hwmod_enable(cookie->data);
382 static int ti_sysc_idle_module(struct device *dev,
383 const struct ti_sysc_cookie *cookie)
385 if (!cookie->data)
386 return -EINVAL;
388 return omap_hwmod_idle(cookie->data);
391 static int ti_sysc_shutdown_module(struct device *dev,
392 const struct ti_sysc_cookie *cookie)
394 if (!cookie->data)
395 return -EINVAL;
397 return omap_hwmod_shutdown(cookie->data);
400 static bool ti_sysc_soc_type_gp(void)
402 return omap_type() == OMAP2_DEVICE_TYPE_GP;
405 static struct of_dev_auxdata omap_auxdata_lookup[];
407 static struct ti_sysc_platform_data ti_sysc_pdata = {
408 .auxdata = omap_auxdata_lookup,
409 .soc_type_gp = ti_sysc_soc_type_gp,
410 .init_clockdomain = ti_sysc_clkdm_init,
411 .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
412 .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
413 .init_module = omap_hwmod_init_module,
414 .enable_module = ti_sysc_enable_module,
415 .idle_module = ti_sysc_idle_module,
416 .shutdown_module = ti_sysc_shutdown_module,
419 static struct pcs_pdata pcs_pdata;
421 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
423 pcs_pdata.irq = irq;
424 pcs_pdata.rearm = rearm;
427 static struct ti_prm_platform_data ti_prm_pdata = {
428 .clkdm_deny_idle = clkdm_deny_idle,
429 .clkdm_allow_idle = clkdm_allow_idle,
430 .clkdm_lookup = clkdm_lookup,
434 * GPIOs for TWL are initialized by the I2C bus and need custom
435 * handing until DSS has device tree bindings.
437 void omap_auxdata_legacy_init(struct device *dev)
439 if (dev->platform_data)
440 return;
442 if (strcmp("twl4030-gpio", dev_name(dev)))
443 return;
445 dev->platform_data = &twl_gpio_auxdata;
448 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
449 static struct omap_mcbsp_platform_data mcbsp_pdata;
450 static void __init omap3_mcbsp_init(void)
452 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
454 #else
455 static void __init omap3_mcbsp_init(void) {}
456 #endif
459 * Few boards still need auxdata populated before we populate
460 * the dev entries in of_platform_populate().
462 static struct pdata_init auxdata_quirks[] __initdata = {
463 #ifdef CONFIG_SOC_OMAP2420
464 { "nokia,n800", omap2420_n8x0_legacy_init, },
465 { "nokia,n810", omap2420_n8x0_legacy_init, },
466 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
467 #endif
468 #ifdef CONFIG_ARCH_OMAP3
469 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
470 #endif
471 { /* sentinel */ },
474 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
476 static struct of_dev_auxdata omap_auxdata_lookup[] = {
477 #ifdef CONFIG_MACH_NOKIA_N8X0
478 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
479 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
480 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
481 #endif
482 #ifdef CONFIG_ARCH_OMAP3
483 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
484 &omap3_iommu_pdata),
485 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
486 &omap3_iommu_isp_pdata),
487 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
488 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
489 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
490 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
491 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
492 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
493 /* Only on am3517 */
494 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
495 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
496 &am35xx_emac_pdata),
497 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
498 /* McBSP modules with sidetone core */
499 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
500 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
501 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
502 #endif
503 #endif
504 #ifdef CONFIG_SOC_AM33XX
505 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
506 &wkup_m3_data),
507 #endif
508 #ifdef CONFIG_SOC_AM43XX
509 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
510 &wkup_m3_data),
511 #endif
512 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
513 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
514 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
515 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
516 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
517 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
518 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
519 #endif
520 #ifdef CONFIG_SOC_DRA7XX
521 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
522 &dra7_hsmmc_data_mmc1),
523 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
524 &dra7_hsmmc_data_mmc2),
525 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
526 &dra7_hsmmc_data_mmc3),
527 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
528 &dra7_ipu1_dsp_iommu_pdata),
529 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
530 &dra7_ipu1_dsp_iommu_pdata),
531 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
532 &dra7_ipu1_dsp_iommu_pdata),
533 #endif
534 /* Common auxdata */
535 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
536 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
537 OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
538 OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
539 { /* sentinel */ },
543 * Few boards still need to initialize some legacy devices with
544 * platform data until the drivers support device tree.
546 static struct pdata_init pdata_quirks[] __initdata = {
547 #ifdef CONFIG_ARCH_OMAP3
548 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
549 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
550 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
551 { "nokia,omap3-n900", nokia_n900_legacy_init, },
552 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
553 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
554 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
555 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
556 { "ti,am3517-evm", am3517_evm_legacy_init, },
557 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
558 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
559 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
560 #endif
561 #ifdef CONFIG_SOC_OMAP5
562 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
563 #endif
564 #ifdef CONFIG_SOC_DRA7XX
565 { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
566 #endif
567 { /* sentinel */ },
570 static void pdata_quirks_check(struct pdata_init *quirks)
572 while (quirks->compatible) {
573 if (of_machine_is_compatible(quirks->compatible)) {
574 if (quirks->fn)
575 quirks->fn();
577 quirks++;
581 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
584 * We still need this for omap2420 and omap3 PM to work, others are
585 * using drivers/misc/sram.c already.
587 if (of_machine_is_compatible("ti,omap2420") ||
588 of_machine_is_compatible("ti,omap3"))
589 omap_sdrc_init(NULL, NULL);
591 if (of_machine_is_compatible("ti,omap3"))
592 omap3_mcbsp_init();
593 pdata_quirks_check(auxdata_quirks);
594 of_platform_populate(NULL, omap_dt_match_table,
595 omap_auxdata_lookup, NULL);
596 pdata_quirks_check(pdata_quirks);