2 * Legacy platform_data quirks
4 * Copyright (C) 2013 Texas Instruments
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.
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>
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>
32 #include "common-board-devices.h"
34 #include "omap_device.h"
35 #include "omap-secure.h"
39 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
42 const char *compatible;
46 static struct of_dev_auxdata omap_auxdata_lookup[];
47 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
49 #ifdef CONFIG_MACH_NOKIA_N8X0
50 static void __init omap2420_n8x0_legacy_init(void)
52 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
55 #define omap2420_n8x0_legacy_init NULL
58 #ifdef CONFIG_ARCH_OMAP3
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.
65 static void __init omap3_gpio126_127_129(void)
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);
80 static void __init hsmmc2_internal_input_clk(void)
84 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
85 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
86 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
89 static struct iommu_platform_data omap3_iommu_pdata = {
91 .assert_reset = omap_device_assert_hardreset,
92 .deassert_reset = omap_device_deassert_hardreset,
95 static int omap3_sbc_t3730_twl_callback(struct device *dev,
101 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
106 gpio_export(gpio, 0);
111 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
113 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
116 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
121 gpio_export(gpio, 0);
124 gpio_set_value(gpio, 1);
128 static void __init omap3_sbc_t3730_twl_init(void)
130 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
133 static void __init omap3_sbc_t3730_legacy_init(void)
135 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
138 static void __init omap3_sbc_t3530_legacy_init(void)
140 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
143 static struct ti_st_plat_data wilink_pdata = {
144 .nshutdown_gpio = 137,
145 .dev_name = "/dev/ttyO1",
150 static struct platform_device wl18xx_device = {
154 .platform_data = &wilink_pdata,
158 static struct ti_st_plat_data wilink7_pdata = {
159 .nshutdown_gpio = 162,
160 .dev_name = "/dev/ttyO1",
162 .baud_rate = 3000000,
165 static struct platform_device wl128x_device = {
169 .platform_data = &wilink7_pdata,
173 static struct platform_device btwilink_device = {
178 static void __init omap3_igep0020_rev_f_legacy_init(void)
180 platform_device_register(&wl18xx_device);
181 platform_device_register(&btwilink_device);
184 static void __init omap3_igep0030_rev_g_legacy_init(void)
186 platform_device_register(&wl18xx_device);
187 platform_device_register(&btwilink_device);
190 static void __init omap3_evm_legacy_init(void)
192 hsmmc2_internal_input_clk();
195 static void am35xx_enable_emac_int(void)
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 */
206 static void am35xx_disable_emac_int(void)
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 */
216 static struct emac_platform_data am35xx_emac_pdata = {
217 .interrupt_enable = am35xx_enable_emac_int,
218 .interrupt_disable = am35xx_disable_emac_int,
221 static void __init am35xx_emac_reset(void)
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 */
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" },
236 static void __init omap3_sbc_t3517_wifi_init(void)
238 int err = gpio_request_array(cm_t3517_wlan_gpios,
239 ARRAY_SIZE(cm_t3517_wlan_gpios));
241 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
245 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
246 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
249 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
252 static void __init omap3_sbc_t3517_legacy_init(void)
254 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
255 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
257 hsmmc2_internal_input_clk();
258 omap3_sbc_t3517_wifi_init();
261 static void __init am3517_evm_legacy_init(void)
266 static void __init nokia_n900_legacy_init(void)
268 hsmmc2_internal_input_clk();
269 mmc_pdata[0].name = "external";
270 mmc_pdata[1].name = "internal";
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");
276 rx51_secure_update_aux_cr(BIT(6), 0);
278 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
279 pr_warn("Thumb binaries may crash randomly without this workaround\n");
284 static void __init omap3_tao3530_legacy_init(void)
286 hsmmc2_internal_input_clk();
289 static void __init omap3_logicpd_torpedo_init(void)
291 omap3_gpio126_127_129();
292 platform_device_register(&wl128x_device);
293 platform_device_register(&btwilink_device);
296 /* omap3pandora legacy devices */
298 static struct platform_device pandora_backlight = {
299 .name = "pandora-backlight",
303 static void __init omap3_pandora_legacy_init(void)
305 platform_device_register(&pandora_backlight);
307 #endif /* CONFIG_ARCH_OMAP3 */
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,
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,
325 #ifdef CONFIG_SOC_OMAP5
326 static void __init omap5_uevm_legacy_init(void)
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;
336 static void __init dra7x_evm_mmc_quirk(void)
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;
342 dra7_hsmmc_data_mmc2.version = "rev11";
343 dra7_hsmmc_data_mmc2.max_freq = 48000000;
345 dra7_hsmmc_data_mmc3.version = "rev11";
346 dra7_hsmmc_data_mmc3.max_freq = 48000000;
351 static int ti_sysc_enable_module(struct device *dev,
352 const struct ti_sysc_cookie *cookie)
357 return omap_hwmod_enable(cookie->data);
360 static int ti_sysc_idle_module(struct device *dev,
361 const struct ti_sysc_cookie *cookie)
366 return omap_hwmod_idle(cookie->data);
369 static int ti_sysc_shutdown_module(struct device *dev,
370 const struct ti_sysc_cookie *cookie)
375 return omap_hwmod_shutdown(cookie->data);
378 static struct of_dev_auxdata omap_auxdata_lookup[];
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,
388 static struct pcs_pdata pcs_pdata;
390 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
393 pcs_pdata.rearm = rearm;
397 * GPIOs for TWL are initialized by the I2C bus and need custom
398 * handing until DSS has device tree bindings.
400 void omap_auxdata_legacy_init(struct device *dev)
402 if (dev->platform_data)
405 if (strcmp("twl4030-gpio", dev_name(dev)))
408 dev->platform_data = &twl_gpio_auxdata;
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)
415 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
418 static void __init omap3_mcbsp_init(void) {}
422 * Few boards still need auxdata populated before we populate
423 * the dev entries in of_platform_populate().
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, },
431 #ifdef CONFIG_ARCH_OMAP3
432 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
437 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
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),
445 #ifdef CONFIG_ARCH_OMAP3
446 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
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]),
455 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
456 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
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),
465 #ifdef CONFIG_SOC_AM33XX
466 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
469 #ifdef CONFIG_SOC_AM43XX
470 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
473 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
474 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
476 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
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]),
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),
494 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
495 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
500 * Few boards still need to initialize some legacy devices with
501 * platform data until the drivers support device tree.
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, },
520 #ifdef CONFIG_SOC_OMAP5
521 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
523 #ifdef CONFIG_SOC_DRA7XX
524 { "ti,dra7-evm", dra7x_evm_mmc_quirk, },
529 static void pdata_quirks_check(struct pdata_init *quirks)
531 while (quirks->compatible) {
532 if (of_machine_is_compatible(quirks->compatible)) {
540 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
543 * We still need this for omap2420 and omap3 PM to work, others are
544 * using drivers/misc/sram.c already.
546 if (of_machine_is_compatible("ti,omap2420") ||
547 of_machine_is_compatible("ti,omap3"))
548 omap_sdrc_init(NULL, NULL);
550 if (of_machine_is_compatible("ti,omap3"))
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);