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/regulator/machine.h>
21 #include <linux/regulator/fixed.h>
23 #include <linux/platform_data/pinctrl-single.h>
24 #include <linux/platform_data/hsmmc-omap.h>
25 #include <linux/platform_data/iommu-omap.h>
26 #include <linux/platform_data/wkup_m3.h>
27 #include <linux/platform_data/pwm_omap_dmtimer.h>
28 #include <linux/platform_data/media/ir-rx51.h>
29 #include <linux/platform_data/asoc-ti-mcbsp.h>
30 #include <plat/dmtimer.h>
33 #include "common-board-devices.h"
34 #include "dss-common.h"
36 #include "omap_device.h"
38 #include "omap-secure.h"
42 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
45 const char *compatible;
49 static struct of_dev_auxdata omap_auxdata_lookup[];
50 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
52 #ifdef CONFIG_MACH_NOKIA_N8X0
53 static void __init omap2420_n8x0_legacy_init(void)
55 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
58 #define omap2420_n8x0_legacy_init NULL
61 #ifdef CONFIG_ARCH_OMAP3
63 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
64 * mode for MMC1 in case bootloader did not configure things.
65 * Note that if the pins are used for MMC1, pbias-regulator
66 * manages the IO voltage.
68 static void __init omap3_gpio126_127_129(void)
72 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
73 reg &= ~OMAP343X_PBIASLITEVMODE1;
74 reg |= OMAP343X_PBIASLITEPWRDNZ1;
75 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
76 if (cpu_is_omap3630()) {
77 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
78 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
79 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
83 static void __init hsmmc2_internal_input_clk(void)
87 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
88 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
89 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
92 static struct iommu_platform_data omap3_iommu_pdata = {
94 .assert_reset = omap_device_assert_hardreset,
95 .deassert_reset = omap_device_deassert_hardreset,
98 static int omap3_sbc_t3730_twl_callback(struct device *dev,
104 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
109 gpio_export(gpio, 0);
114 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
116 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
119 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
124 gpio_export(gpio, 0);
127 gpio_set_value(gpio, 1);
131 static void __init omap3_sbc_t3730_twl_init(void)
133 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
136 static void __init omap3_sbc_t3730_legacy_init(void)
138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
141 static void __init omap3_sbc_t3530_legacy_init(void)
143 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
146 static struct ti_st_plat_data wilink_pdata = {
147 .nshutdown_gpio = 137,
148 .dev_name = "/dev/ttyO1",
150 .baud_rate = 3000000,
153 static struct platform_device wl18xx_device = {
157 .platform_data = &wilink_pdata,
161 static struct ti_st_plat_data wilink7_pdata = {
162 .nshutdown_gpio = 162,
163 .dev_name = "/dev/ttyO1",
165 .baud_rate = 3000000,
168 static struct platform_device wl128x_device = {
172 .platform_data = &wilink7_pdata,
176 static struct platform_device btwilink_device = {
181 static void __init omap3_igep0020_rev_f_legacy_init(void)
183 platform_device_register(&wl18xx_device);
184 platform_device_register(&btwilink_device);
187 static void __init omap3_igep0030_rev_g_legacy_init(void)
189 platform_device_register(&wl18xx_device);
190 platform_device_register(&btwilink_device);
193 static void __init omap3_evm_legacy_init(void)
195 hsmmc2_internal_input_clk();
198 static void am35xx_enable_emac_int(void)
202 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
203 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
204 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
205 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
206 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
209 static void am35xx_disable_emac_int(void)
213 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
214 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
215 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
216 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
219 static struct emac_platform_data am35xx_emac_pdata = {
220 .interrupt_enable = am35xx_enable_emac_int,
221 .interrupt_disable = am35xx_disable_emac_int,
224 static void __init am35xx_emac_reset(void)
228 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
229 v &= ~AM35XX_CPGMACSS_SW_RST;
230 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
231 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
234 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
235 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
236 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
239 static void __init omap3_sbc_t3517_wifi_init(void)
241 int err = gpio_request_array(cm_t3517_wlan_gpios,
242 ARRAY_SIZE(cm_t3517_wlan_gpios));
244 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
248 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
249 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
252 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
255 static void __init omap3_sbc_t3517_legacy_init(void)
257 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
258 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
260 hsmmc2_internal_input_clk();
261 omap3_sbc_t3517_wifi_init();
264 static void __init am3517_evm_legacy_init(void)
269 static struct platform_device omap3_rom_rng_device = {
270 .name = "omap3-rom-rng",
273 .platform_data = rx51_secure_rng_call,
277 static void __init nokia_n900_legacy_init(void)
279 hsmmc2_internal_input_clk();
280 mmc_pdata[0].name = "external";
281 mmc_pdata[1].name = "internal";
283 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
284 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
285 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
287 rx51_secure_update_aux_cr(BIT(6), 0);
289 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
290 pr_warn("Thumb binaries may crash randomly without this workaround\n");
293 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
294 platform_device_register(&omap3_rom_rng_device);
298 static void __init omap3_tao3530_legacy_init(void)
300 hsmmc2_internal_input_clk();
303 static void __init omap3_logicpd_torpedo_init(void)
305 omap3_gpio126_127_129();
306 platform_device_register(&wl128x_device);
307 platform_device_register(&btwilink_device);
310 /* omap3pandora legacy devices */
312 static struct platform_device pandora_backlight = {
313 .name = "pandora-backlight",
317 static void __init omap3_pandora_legacy_init(void)
319 platform_device_register(&pandora_backlight);
321 #endif /* CONFIG_ARCH_OMAP3 */
323 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
324 static struct iommu_platform_data omap4_iommu_pdata = {
325 .reset_name = "mmu_cache",
326 .assert_reset = omap_device_assert_hardreset,
327 .deassert_reset = omap_device_deassert_hardreset,
331 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
332 static struct wkup_m3_platform_data wkup_m3_data = {
333 .reset_name = "wkup_m3",
334 .assert_reset = omap_device_assert_hardreset,
335 .deassert_reset = omap_device_deassert_hardreset,
339 #ifdef CONFIG_SOC_OMAP5
340 static void __init omap5_uevm_legacy_init(void)
345 static struct pcs_pdata pcs_pdata;
347 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
350 pcs_pdata.rearm = rearm;
354 * GPIOs for TWL are initialized by the I2C bus and need custom
355 * handing until DSS has device tree bindings.
357 void omap_auxdata_legacy_init(struct device *dev)
359 if (dev->platform_data)
362 if (strcmp("twl4030-gpio", dev_name(dev)))
365 dev->platform_data = &twl_gpio_auxdata;
368 /* Dual mode timer PWM callbacks platdata */
369 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
370 static struct pwm_omap_dmtimer_pdata pwm_dmtimer_pdata = {
371 .request_by_node = omap_dm_timer_request_by_node,
372 .request_specific = omap_dm_timer_request_specific,
373 .request = omap_dm_timer_request,
374 .set_source = omap_dm_timer_set_source,
375 .get_irq = omap_dm_timer_get_irq,
376 .set_int_enable = omap_dm_timer_set_int_enable,
377 .set_int_disable = omap_dm_timer_set_int_disable,
378 .free = omap_dm_timer_free,
379 .enable = omap_dm_timer_enable,
380 .disable = omap_dm_timer_disable,
381 .get_fclk = omap_dm_timer_get_fclk,
382 .start = omap_dm_timer_start,
383 .stop = omap_dm_timer_stop,
384 .set_load = omap_dm_timer_set_load,
385 .set_match = omap_dm_timer_set_match,
386 .set_pwm = omap_dm_timer_set_pwm,
387 .set_prescaler = omap_dm_timer_set_prescaler,
388 .read_counter = omap_dm_timer_read_counter,
389 .write_counter = omap_dm_timer_write_counter,
390 .read_status = omap_dm_timer_read_status,
391 .write_status = omap_dm_timer_write_status,
395 static struct lirc_rx51_platform_data __maybe_unused rx51_lirc_data = {
396 .set_max_mpu_wakeup_lat = omap_pm_set_max_mpu_wakeup_lat,
399 static struct platform_device __maybe_unused rx51_lirc_device = {
403 .platform_data = &rx51_lirc_data,
407 #if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
408 static struct omap_mcbsp_platform_data mcbsp_pdata;
409 static void __init omap3_mcbsp_init(void)
411 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
414 static void __init omap3_mcbsp_init(void) {}
418 * Few boards still need auxdata populated before we populate
419 * the dev entries in of_platform_populate().
421 static struct pdata_init auxdata_quirks[] __initdata = {
422 #ifdef CONFIG_SOC_OMAP2420
423 { "nokia,n800", omap2420_n8x0_legacy_init, },
424 { "nokia,n810", omap2420_n8x0_legacy_init, },
425 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
427 #ifdef CONFIG_ARCH_OMAP3
428 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
433 static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
434 #ifdef CONFIG_MACH_NOKIA_N8X0
435 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
436 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
437 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
439 #ifdef CONFIG_ARCH_OMAP3
440 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
442 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
443 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
444 OF_DEV_AUXDATA("nokia,n900-ir", 0, "n900-ir", &rx51_lirc_data),
446 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
447 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
449 /* McBSP modules with sidetone core */
450 #if IS_ENABLED(CONFIG_SND_OMAP_SOC_MCBSP)
451 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
452 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
455 #ifdef CONFIG_SOC_AM33XX
456 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
459 #ifdef CONFIG_SOC_AM43XX
460 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
463 #if IS_ENABLED(CONFIG_OMAP_DM_TIMER)
464 OF_DEV_AUXDATA("ti,omap-dmtimer-pwm", 0, NULL, &pwm_dmtimer_pdata),
466 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
467 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
469 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
473 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
478 * Few boards still need to initialize some legacy devices with
479 * platform data until the drivers support device tree.
481 static struct pdata_init pdata_quirks[] __initdata = {
482 #ifdef CONFIG_ARCH_OMAP3
483 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
484 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
485 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
486 { "nokia,omap3-n900", nokia_n900_legacy_init, },
487 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
488 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
489 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
490 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
491 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
492 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
493 { "ti,am3517-evm", am3517_evm_legacy_init, },
494 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
495 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
496 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
498 #ifdef CONFIG_SOC_OMAP5
499 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
504 static void pdata_quirks_check(struct pdata_init *quirks)
506 while (quirks->compatible) {
507 if (of_machine_is_compatible(quirks->compatible)) {
515 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
518 * We still need this for omap2420 and omap3 PM to work, others are
519 * using drivers/misc/sram.c already.
521 if (of_machine_is_compatible("ti,omap2420") ||
522 of_machine_is_compatible("ti,omap3"))
523 omap_sdrc_init(NULL, NULL);
525 if (of_machine_is_compatible("ti,omap3"))
527 pdata_quirks_check(auxdata_quirks);
528 of_platform_populate(NULL, omap_dt_match_table,
529 omap_auxdata_lookup, NULL);
530 pdata_quirks_check(pdata_quirks);