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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>
19
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>
27
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"
35
36static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
37
38struct pdata_init {
39 const char *compatible;
40 void (*fn)(void);
41};
42
43static struct of_dev_auxdata omap_auxdata_lookup[];
44static struct twl4030_gpio_platform_data twl_gpio_auxdata;
45
46#if IS_ENABLED(CONFIG_OMAP_IOMMU)
47int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev, bool request,
48 u8 *pwrst);
49#else
50static inline int omap_iommu_set_pwrdm_constraint(struct platform_device *pdev,
51 bool request, u8 *pwrst)
52{
53 return 0;
54}
55#endif
56
57#ifdef CONFIG_MACH_NOKIA_N8X0
58static void __init omap2420_n8x0_legacy_init(void)
59{
60 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
61}
62#else
63#define omap2420_n8x0_legacy_init NULL
64#endif
65
66#ifdef CONFIG_ARCH_OMAP3
67
68
69
70
71
72
73static void __init omap3_gpio126_127_129(void)
74{
75 u32 reg;
76
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);
85 }
86}
87
88static void __init hsmmc2_internal_input_clk(void)
89{
90 u32 reg;
91
92 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
93 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
94 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
95}
96
97#ifdef CONFIG_OMAP_HWMOD
98static struct iommu_platform_data omap3_iommu_pdata = {
99 .reset_name = "mmu",
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,
104};
105
106static struct iommu_platform_data omap3_iommu_isp_pdata = {
107 .device_enable = omap_device_enable,
108 .device_idle = omap_device_idle,
109};
110#endif
111
112static int omap3_sbc_t3730_twl_callback(struct device *dev,
113 unsigned gpio,
114 unsigned ngpio)
115{
116 int res;
117
118 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
119 "wlan pwr");
120 if (res)
121 return res;
122
123 gpio_export(gpio, 0);
124
125 return 0;
126}
127
128static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
129{
130 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
131
132 if (err) {
133 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
134 hub_name, err);
135 return;
136 }
137
138 gpio_export(gpio, 0);
139
140 udelay(10);
141 gpio_set_value(gpio, 1);
142 msleep(1);
143}
144
145static void __init omap3_sbc_t3730_twl_init(void)
146{
147 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
148}
149
150static void __init omap3_sbc_t3730_legacy_init(void)
151{
152 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
153}
154
155static void __init omap3_sbc_t3530_legacy_init(void)
156{
157 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
158}
159
160static void __init omap3_evm_legacy_init(void)
161{
162 hsmmc2_internal_input_clk();
163}
164
165static void am35xx_enable_emac_int(void)
166{
167 u32 v;
168
169 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
170 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
171 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
172 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
173 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
174}
175
176static void am35xx_disable_emac_int(void)
177{
178 u32 v;
179
180 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
181 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
182 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
183 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
184}
185
186static struct emac_platform_data am35xx_emac_pdata = {
187 .interrupt_enable = am35xx_enable_emac_int,
188 .interrupt_disable = am35xx_disable_emac_int,
189};
190
191static void __init am35xx_emac_reset(void)
192{
193 u32 v;
194
195 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
196 v &= ~AM35XX_CPGMACSS_SW_RST;
197 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
198 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
199}
200
201static struct gpio cm_t3517_wlan_gpios[] __initdata = {
202 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
203 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
204};
205
206static void __init omap3_sbc_t3517_wifi_init(void)
207{
208 int err = gpio_request_array(cm_t3517_wlan_gpios,
209 ARRAY_SIZE(cm_t3517_wlan_gpios));
210 if (err) {
211 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
212 return;
213 }
214
215 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
216 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
217
218 msleep(100);
219 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
220}
221
222static void __init omap3_sbc_t3517_legacy_init(void)
223{
224 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
225 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
226 am35xx_emac_reset();
227 hsmmc2_internal_input_clk();
228 omap3_sbc_t3517_wifi_init();
229}
230
231static void __init am3517_evm_legacy_init(void)
232{
233 am35xx_emac_reset();
234}
235
236static void __init nokia_n900_legacy_init(void)
237{
238 hsmmc2_internal_input_clk();
239 mmc_pdata[0].name = "external";
240 mmc_pdata[1].name = "internal";
241
242 if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
243 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
244 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
245
246 rx51_secure_update_aux_cr(BIT(6), 0);
247 } else {
248 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
249 pr_warn("Thumb binaries may crash randomly without this workaround\n");
250 }
251 }
252}
253
254static void __init omap3_tao3530_legacy_init(void)
255{
256 hsmmc2_internal_input_clk();
257}
258
259static void __init omap3_logicpd_torpedo_init(void)
260{
261 omap3_gpio126_127_129();
262}
263
264
265
266static struct platform_device pandora_backlight = {
267 .name = "pandora-backlight",
268 .id = -1,
269};
270
271static void __init omap3_pandora_legacy_init(void)
272{
273 platform_device_register(&pandora_backlight);
274}
275#endif
276
277#ifdef CONFIG_SOC_OMAP5
278static void __init omap5_uevm_legacy_init(void)
279{
280}
281#endif
282
283#ifdef CONFIG_SOC_DRA7XX
284static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
285 .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
286};
287
288static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
289static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
290static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
291
292static void __init dra7x_evm_mmc_quirk(void)
293{
294 if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
295 dra7_hsmmc_data_mmc1.version = "rev11";
296 dra7_hsmmc_data_mmc1.max_freq = 96000000;
297
298 dra7_hsmmc_data_mmc2.version = "rev11";
299 dra7_hsmmc_data_mmc2.max_freq = 48000000;
300
301 dra7_hsmmc_data_mmc3.version = "rev11";
302 dra7_hsmmc_data_mmc3.max_freq = 48000000;
303 }
304}
305#endif
306
307static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
308{
309 struct clk_hw *hw = __clk_get_hw(clk);
310 struct clockdomain *clkdm = NULL;
311 struct clk_hw_omap *hwclk;
312
313 hwclk = to_clk_hw_omap(hw);
314 if (!omap2_clk_is_hw_omap(hw))
315 return NULL;
316
317 if (hwclk && hwclk->clkdm_name)
318 clkdm = clkdm_lookup(hwclk->clkdm_name);
319
320 return clkdm;
321}
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337static int ti_sysc_clkdm_init(struct device *dev,
338 struct clk *fck, struct clk *ick,
339 struct ti_sysc_cookie *cookie)
340{
341 if (!IS_ERR(fck))
342 cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
343 if (cookie->clkdm)
344 return 0;
345 if (!IS_ERR(ick))
346 cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
347 if (cookie->clkdm)
348 return 0;
349
350 return -ENODEV;
351}
352
353static void ti_sysc_clkdm_deny_idle(struct device *dev,
354 const struct ti_sysc_cookie *cookie)
355{
356 if (cookie->clkdm)
357 clkdm_deny_idle(cookie->clkdm);
358}
359
360static void ti_sysc_clkdm_allow_idle(struct device *dev,
361 const struct ti_sysc_cookie *cookie)
362{
363 if (cookie->clkdm)
364 clkdm_allow_idle(cookie->clkdm);
365}
366
367#ifdef CONFIG_OMAP_HWMOD
368static int ti_sysc_enable_module(struct device *dev,
369 const struct ti_sysc_cookie *cookie)
370{
371 if (!cookie->data)
372 return -EINVAL;
373
374 return omap_hwmod_enable(cookie->data);
375}
376
377static int ti_sysc_idle_module(struct device *dev,
378 const struct ti_sysc_cookie *cookie)
379{
380 if (!cookie->data)
381 return -EINVAL;
382
383 return omap_hwmod_idle(cookie->data);
384}
385
386static int ti_sysc_shutdown_module(struct device *dev,
387 const struct ti_sysc_cookie *cookie)
388{
389 if (!cookie->data)
390 return -EINVAL;
391
392 return omap_hwmod_shutdown(cookie->data);
393}
394#endif
395
396static bool ti_sysc_soc_type_gp(void)
397{
398 return omap_type() == OMAP2_DEVICE_TYPE_GP;
399}
400
401static struct of_dev_auxdata omap_auxdata_lookup[];
402
403static struct ti_sysc_platform_data ti_sysc_pdata = {
404 .auxdata = omap_auxdata_lookup,
405 .soc_type_gp = ti_sysc_soc_type_gp,
406 .init_clockdomain = ti_sysc_clkdm_init,
407 .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
408 .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
409#ifdef CONFIG_OMAP_HWMOD
410 .init_module = omap_hwmod_init_module,
411 .enable_module = ti_sysc_enable_module,
412 .idle_module = ti_sysc_idle_module,
413 .shutdown_module = ti_sysc_shutdown_module,
414#endif
415};
416
417static struct pcs_pdata pcs_pdata;
418
419void omap_pcs_legacy_init(int irq, void (*rearm)(void))
420{
421 pcs_pdata.irq = irq;
422 pcs_pdata.rearm = rearm;
423}
424
425static struct ti_prm_platform_data ti_prm_pdata = {
426 .clkdm_deny_idle = clkdm_deny_idle,
427 .clkdm_allow_idle = clkdm_allow_idle,
428 .clkdm_lookup = clkdm_lookup,
429};
430
431
432
433
434
435void omap_auxdata_legacy_init(struct device *dev)
436{
437 if (dev->platform_data)
438 return;
439
440 if (strcmp("twl4030-gpio", dev_name(dev)))
441 return;
442
443 dev->platform_data = &twl_gpio_auxdata;
444}
445
446#if defined(CONFIG_ARCH_OMAP3) && IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
447static struct omap_mcbsp_platform_data mcbsp_pdata;
448static void __init omap3_mcbsp_init(void)
449{
450 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
451}
452#else
453static void __init omap3_mcbsp_init(void) {}
454#endif
455
456
457
458
459
460static struct pdata_init auxdata_quirks[] __initdata = {
461#ifdef CONFIG_SOC_OMAP2420
462 { "nokia,n800", omap2420_n8x0_legacy_init, },
463 { "nokia,n810", omap2420_n8x0_legacy_init, },
464 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
465#endif
466#ifdef CONFIG_ARCH_OMAP3
467 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
468#endif
469 { },
470};
471
472struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
473
474static struct of_dev_auxdata omap_auxdata_lookup[] = {
475#ifdef CONFIG_MACH_NOKIA_N8X0
476 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
477 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
478 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
479#endif
480#ifdef CONFIG_ARCH_OMAP3
481 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
482 &omap3_iommu_pdata),
483 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
484 &omap3_iommu_isp_pdata),
485 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
486 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
487 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
488 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
489 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
490 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
491
492 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
493 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
494 &am35xx_emac_pdata),
495 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
496
497#if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
498 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
499 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
500#endif
501#endif
502#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
503 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
504 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
505 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
506 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
507 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
508 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
509#endif
510#ifdef CONFIG_SOC_DRA7XX
511 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
512 &dra7_hsmmc_data_mmc1),
513 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
514 &dra7_hsmmc_data_mmc2),
515 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
516 &dra7_hsmmc_data_mmc3),
517 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
518 &dra7_ipu1_dsp_iommu_pdata),
519 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
520 &dra7_ipu1_dsp_iommu_pdata),
521 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
522 &dra7_ipu1_dsp_iommu_pdata),
523#endif
524
525 OF_DEV_AUXDATA("simple-pm-bus", 0, NULL, omap_auxdata_lookup),
526 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
527 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
528 OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
529 OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
530 { },
531};
532
533
534
535
536
537static struct pdata_init pdata_quirks[] __initdata = {
538#ifdef CONFIG_ARCH_OMAP3
539 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
540 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
541 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
542 { "nokia,omap3-n900", nokia_n900_legacy_init, },
543 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
544 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
545 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
546 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
547 { "ti,am3517-evm", am3517_evm_legacy_init, },
548 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
549 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
550 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
551#endif
552#ifdef CONFIG_SOC_OMAP5
553 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
554#endif
555#ifdef CONFIG_SOC_DRA7XX
556 { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
557#endif
558 { },
559};
560
561static void pdata_quirks_check(struct pdata_init *quirks)
562{
563 while (quirks->compatible) {
564 if (of_machine_is_compatible(quirks->compatible)) {
565 if (quirks->fn)
566 quirks->fn();
567 }
568 quirks++;
569 }
570}
571
572static const char * const pdata_quirks_init_nodes[] = {
573 "prcm",
574 "prm",
575};
576
577static void __init
578pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table)
579{
580 struct device_node *np;
581 int i;
582
583 for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) {
584 np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]);
585 if (!np)
586 continue;
587
588 of_platform_populate(np, omap_dt_match_table,
589 omap_auxdata_lookup, NULL);
590 }
591}
592
593void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
594{
595
596
597
598
599 if (of_machine_is_compatible("ti,omap2420") ||
600 of_machine_is_compatible("ti,omap3"))
601 omap_sdrc_init(NULL, NULL);
602
603 if (of_machine_is_compatible("ti,omap3"))
604 omap3_mcbsp_init();
605 pdata_quirks_check(auxdata_quirks);
606
607 pdata_quirks_init_clocks(omap_dt_match_table);
608
609 of_platform_populate(NULL, omap_dt_match_table,
610 omap_auxdata_lookup, NULL);
611 pdata_quirks_check(pdata_quirks);
612}
613
