GNU Linux-libre 4.19.245-gnu1
[releases.git] / arch / arm / mach-omap2 / pdata-quirks.c
1 /*
2  * Legacy platform_data quirks
3  *
4  * Copyright (C) 2013 Texas Instruments
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #include <linux/clk.h>
11 #include <linux/davinci_emac.h>
12 #include <linux/gpio.h>
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/of_platform.h>
16 #include <linux/ti_wilink_st.h>
17 #include <linux/wl12xx.h>
18 #include <linux/mmc/card.h>
19 #include <linux/mmc/host.h>
20 #include <linux/power/smartreflex.h>
21 #include <linux/regulator/machine.h>
22 #include <linux/regulator/fixed.h>
23
24 #include <linux/platform_data/pinctrl-single.h>
25 #include <linux/platform_data/hsmmc-omap.h>
26 #include <linux/platform_data/iommu-omap.h>
27 #include <linux/platform_data/ti-sysc.h>
28 #include <linux/platform_data/wkup_m3.h>
29 #include <linux/platform_data/asoc-ti-mcbsp.h>
30
31 #include "common.h"
32 #include "common-board-devices.h"
33 #include "control.h"
34 #include "omap_device.h"
35 #include "omap-secure.h"
36 #include "soc.h"
37 #include "hsmmc.h"
38
39 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
40
41 struct pdata_init {
42         const char *compatible;
43         void (*fn)(void);
44 };
45
46 static struct of_dev_auxdata omap_auxdata_lookup[];
47 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
48
49 #ifdef CONFIG_MACH_NOKIA_N8X0
50 static void __init omap2420_n8x0_legacy_init(void)
51 {
52         omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
53 }
54 #else
55 #define omap2420_n8x0_legacy_init       NULL
56 #endif
57
58 #ifdef CONFIG_ARCH_OMAP3
59 /*
60  * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
61  * mode for MMC1 in case bootloader did not configure things.
62  * Note that if the pins are used for MMC1, pbias-regulator
63  * manages the IO voltage.
64  */
65 static void __init omap3_gpio126_127_129(void)
66 {
67         u32 reg;
68
69         reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
70         reg &= ~OMAP343X_PBIASLITEVMODE1;
71         reg |= OMAP343X_PBIASLITEPWRDNZ1;
72         omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
73         if (cpu_is_omap3630()) {
74                 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
75                 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
76                 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
77         }
78 }
79
80 static void __init hsmmc2_internal_input_clk(void)
81 {
82         u32 reg;
83
84         reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
85         reg |= OMAP2_MMCSDIO2ADPCLKISEL;
86         omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
87 }
88
89 static struct iommu_platform_data omap3_iommu_pdata = {
90         .reset_name = "mmu",
91         .assert_reset = omap_device_assert_hardreset,
92         .deassert_reset = omap_device_deassert_hardreset,
93 };
94
95 static int omap3_sbc_t3730_twl_callback(struct device *dev,
96                                            unsigned gpio,
97                                            unsigned ngpio)
98 {
99         int res;
100
101         res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
102                                "wlan pwr");
103         if (res)
104                 return res;
105
106         gpio_export(gpio, 0);
107
108         return 0;
109 }
110
111 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
112 {
113         int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
114
115         if (err) {
116                 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
117                         hub_name, err);
118                 return;
119         }
120
121         gpio_export(gpio, 0);
122
123         udelay(10);
124         gpio_set_value(gpio, 1);
125         msleep(1);
126 }
127
128 static void __init omap3_sbc_t3730_twl_init(void)
129 {
130         twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
131 }
132
133 static void __init omap3_sbc_t3730_legacy_init(void)
134 {
135         omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
136 }
137
138 static void __init omap3_sbc_t3530_legacy_init(void)
139 {
140         omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
141 }
142
143 static struct ti_st_plat_data wilink_pdata = {
144         .nshutdown_gpio = 137,
145         .dev_name = "/dev/ttyO1",
146         .flow_cntrl = 1,
147         .baud_rate = 300000,
148 };
149
150 static struct platform_device wl18xx_device = {
151         .name   = "kim",
152         .id     = -1,
153         .dev    = {
154                 .platform_data = &wilink_pdata,
155         }
156 };
157
158 static struct ti_st_plat_data wilink7_pdata = {
159         .nshutdown_gpio = 162,
160         .dev_name = "/dev/ttyO1",
161         .flow_cntrl = 1,
162         .baud_rate = 3000000,
163 };
164
165 static struct platform_device wl128x_device = {
166         .name   = "kim",
167         .id     = -1,
168         .dev    = {
169                 .platform_data = &wilink7_pdata,
170         }
171 };
172
173 static struct platform_device btwilink_device = {
174         .name   = "btwilink",
175         .id     = -1,
176 };
177
178 static void __init omap3_igep0020_rev_f_legacy_init(void)
179 {
180         platform_device_register(&wl18xx_device);
181         platform_device_register(&btwilink_device);
182 }
183
184 static void __init omap3_igep0030_rev_g_legacy_init(void)
185 {
186         platform_device_register(&wl18xx_device);
187         platform_device_register(&btwilink_device);
188 }
189
190 static void __init omap3_evm_legacy_init(void)
191 {
192         hsmmc2_internal_input_clk();
193 }
194
195 static void am35xx_enable_emac_int(void)
196 {
197         u32 v;
198
199         v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
200         v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
201               AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
202         omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
203         omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
204 }
205
206 static void am35xx_disable_emac_int(void)
207 {
208         u32 v;
209
210         v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
211         v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
212         omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
213         omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
214 }
215
216 static struct emac_platform_data am35xx_emac_pdata = {
217         .interrupt_enable       = am35xx_enable_emac_int,
218         .interrupt_disable      = am35xx_disable_emac_int,
219 };
220
221 static void __init am35xx_emac_reset(void)
222 {
223         u32 v;
224
225         v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
226         v &= ~AM35XX_CPGMACSS_SW_RST;
227         omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
228         omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
229 }
230
231 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
232         { 56,   GPIOF_OUT_INIT_HIGH,    "wlan pwr" },
233         { 4,    GPIOF_OUT_INIT_HIGH,    "xcvr noe" },
234 };
235
236 static void __init omap3_sbc_t3517_wifi_init(void)
237 {
238         int err = gpio_request_array(cm_t3517_wlan_gpios,
239                                 ARRAY_SIZE(cm_t3517_wlan_gpios));
240         if (err) {
241                 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
242                 return;
243         }
244
245         gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
246         gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
247
248         msleep(100);
249         gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
250 }
251
252 static void __init omap3_sbc_t3517_legacy_init(void)
253 {
254         omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
255         omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
256         am35xx_emac_reset();
257         hsmmc2_internal_input_clk();
258         omap3_sbc_t3517_wifi_init();
259 }
260
261 static void __init am3517_evm_legacy_init(void)
262 {
263         am35xx_emac_reset();
264 }
265
266 static void __init nokia_n900_legacy_init(void)
267 {
268         hsmmc2_internal_input_clk();
269         mmc_pdata[0].name = "external";
270         mmc_pdata[1].name = "internal";
271
272         if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
273                 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
274                         pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
275                         /* set IBE to 1 */
276                         rx51_secure_update_aux_cr(BIT(6), 0);
277                 } else {
278                         pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
279                         pr_warn("Thumb binaries may crash randomly without this workaround\n");
280                 }
281         }
282 }
283
284 static void __init omap3_tao3530_legacy_init(void)
285 {
286         hsmmc2_internal_input_clk();
287 }
288
289 static void __init omap3_logicpd_torpedo_init(void)
290 {
291         omap3_gpio126_127_129();
292         platform_device_register(&wl128x_device);
293         platform_device_register(&btwilink_device);
294 }
295
296 /* omap3pandora legacy devices */
297
298 static struct platform_device pandora_backlight = {
299         .name   = "pandora-backlight",
300         .id     = -1,
301 };
302
303 static void __init omap3_pandora_legacy_init(void)
304 {
305         platform_device_register(&pandora_backlight);
306 }
307 #endif /* CONFIG_ARCH_OMAP3 */
308
309 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
310 static struct iommu_platform_data omap4_iommu_pdata = {
311         .reset_name = "mmu_cache",
312         .assert_reset = omap_device_assert_hardreset,
313         .deassert_reset = omap_device_deassert_hardreset,
314 };
315 #endif
316
317 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
318 static struct wkup_m3_platform_data wkup_m3_data = {
319         .reset_name = "wkup_m3",
320         .assert_reset = omap_device_assert_hardreset,
321         .deassert_reset = omap_device_deassert_hardreset,
322 };
323 #endif
324
325 #ifdef CONFIG_SOC_OMAP5
326 static void __init omap5_uevm_legacy_init(void)
327 {
328 }
329 #endif
330
331 #ifdef CONFIG_SOC_DRA7XX
332 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1;
333 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2;
334 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3;
335
336 static void __init dra7x_evm_mmc_quirk(void)
337 {
338         if (omap_rev() == DRA752_REV_ES1_1 || omap_rev() == DRA752_REV_ES1_0) {
339                 dra7_hsmmc_data_mmc1.version = "rev11";
340                 dra7_hsmmc_data_mmc1.max_freq = 96000000;
341
342                 dra7_hsmmc_data_mmc2.version = "rev11";
343                 dra7_hsmmc_data_mmc2.max_freq = 48000000;
344
345                 dra7_hsmmc_data_mmc3.version = "rev11";
346                 dra7_hsmmc_data_mmc3.max_freq = 48000000;
347         }
348 }
349 #endif
350
351 static int ti_sysc_enable_module(struct device *dev,
352                                  const struct ti_sysc_cookie *cookie)
353 {
354         if (!cookie->data)
355                 return -EINVAL;
356
357         return omap_hwmod_enable(cookie->data);
358 }
359
360 static int ti_sysc_idle_module(struct device *dev,
361                                const struct ti_sysc_cookie *cookie)
362 {
363         if (!cookie->data)
364                 return -EINVAL;
365
366         return omap_hwmod_idle(cookie->data);
367 }
368
369 static int ti_sysc_shutdown_module(struct device *dev,
370                                    const struct ti_sysc_cookie *cookie)
371 {
372         if (!cookie->data)
373                 return -EINVAL;
374
375         return omap_hwmod_shutdown(cookie->data);
376 }
377
378 static struct of_dev_auxdata omap_auxdata_lookup[];
379
380 static struct ti_sysc_platform_data ti_sysc_pdata = {
381         .auxdata = omap_auxdata_lookup,
382         .init_module = omap_hwmod_init_module,
383         .enable_module = ti_sysc_enable_module,
384         .idle_module = ti_sysc_idle_module,
385         .shutdown_module = ti_sysc_shutdown_module,
386 };
387
388 static struct pcs_pdata pcs_pdata;
389
390 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
391 {
392         pcs_pdata.irq = irq;
393         pcs_pdata.rearm = rearm;
394 }
395
396 /*
397  * GPIOs for TWL are initialized by the I2C bus and need custom
398  * handing until DSS has device tree bindings.
399  */
400 void omap_auxdata_legacy_init(struct device *dev)
401 {
402         if (dev->platform_data)
403                 return;
404
405         if (strcmp("twl4030-gpio", dev_name(dev)))
406                 return;
407
408         dev->platform_data = &twl_gpio_auxdata;
409 }
410
411 #if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
412 static struct omap_mcbsp_platform_data mcbsp_pdata;
413 static void __init omap3_mcbsp_init(void)
414 {
415         omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
416 }
417 #else
418 static void __init omap3_mcbsp_init(void) {}
419 #endif
420
421 /*
422  * Few boards still need auxdata populated before we populate
423  * the dev entries in of_platform_populate().
424  */
425 static struct pdata_init auxdata_quirks[] __initdata = {
426 #ifdef CONFIG_SOC_OMAP2420
427         { "nokia,n800", omap2420_n8x0_legacy_init, },
428         { "nokia,n810", omap2420_n8x0_legacy_init, },
429         { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
430 #endif
431 #ifdef CONFIG_ARCH_OMAP3
432         { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
433 #endif
434         { /* sentinel */ },
435 };
436
437 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
438
439 static struct of_dev_auxdata omap_auxdata_lookup[] = {
440 #ifdef CONFIG_MACH_NOKIA_N8X0
441         OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
442         OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
443         OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
444 #endif
445 #ifdef CONFIG_ARCH_OMAP3
446         OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
447                        &omap3_iommu_pdata),
448         OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
449                        "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
450         OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
451                        "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
452         OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
453         OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
454         /* Only on am3517 */
455         OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
456         OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
457                        &am35xx_emac_pdata),
458         OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
459         /* McBSP modules with sidetone core */
460 #if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
461         OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
462         OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
463 #endif
464 #endif
465 #ifdef CONFIG_SOC_AM33XX
466         OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
467                        &wkup_m3_data),
468 #endif
469 #ifdef CONFIG_SOC_AM43XX
470         OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
471                        &wkup_m3_data),
472 #endif
473 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
474         OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
475                        &omap4_iommu_pdata),
476         OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
477                        &omap4_iommu_pdata),
478         OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
479                        "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
480         OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
481                        "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
482         OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
483                        "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
484 #endif
485 #ifdef CONFIG_SOC_DRA7XX
486         OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
487                        &dra7_hsmmc_data_mmc1),
488         OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
489                        &dra7_hsmmc_data_mmc2),
490         OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
491                        &dra7_hsmmc_data_mmc3),
492 #endif
493         /* Common auxdata */
494         OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
495         OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
496         { /* sentinel */ },
497 };
498
499 /*
500  * Few boards still need to initialize some legacy devices with
501  * platform data until the drivers support device tree.
502  */
503 static struct pdata_init pdata_quirks[] __initdata = {
504 #ifdef CONFIG_ARCH_OMAP3
505         { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
506         { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
507         { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
508         { "nokia,omap3-n900", nokia_n900_legacy_init, },
509         { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
510         { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
511         { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
512         { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
513         { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
514         { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
515         { "ti,am3517-evm", am3517_evm_legacy_init, },
516         { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
517         { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
518         { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
519 #endif
520 #ifdef CONFIG_SOC_OMAP5
521         { "ti,omap5-uevm", omap5_uevm_legacy_init, },
522 #endif
523 #ifdef CONFIG_SOC_DRA7XX
524         { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
525 #endif
526         { /* sentinel */ },
527 };
528
529 static void pdata_quirks_check(struct pdata_init *quirks)
530 {
531         while (quirks->compatible) {
532                 if (of_machine_is_compatible(quirks->compatible)) {
533                         if (quirks->fn)
534                                 quirks->fn();
535                 }
536                 quirks++;
537         }
538 }
539
540 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
541 {
542         /*
543          * We still need this for omap2420 and omap3 PM to work, others are
544          * using drivers/misc/sram.c already.
545          */
546         if (of_machine_is_compatible("ti,omap2420") ||
547             of_machine_is_compatible("ti,omap3"))
548                 omap_sdrc_init(NULL, NULL);
549
550         if (of_machine_is_compatible("ti,omap3"))
551                 omap3_mcbsp_init();
552         pdata_quirks_check(auxdata_quirks);
553         of_platform_populate(NULL, omap_dt_match_table,
554                              omap_auxdata_lookup, NULL);
555         pdata_quirks_check(pdata_quirks);
556 }