1 // SPDX-License-Identifier: GPL-2.0-only
3 * Legacy platform_data quirks
5 * Copyright (C) 2013 Texas Instruments
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"
30 #include "common-board-devices.h"
32 #include "omap_device.h"
33 #include "omap-secure.h"
36 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
39 const char *compatible;
43 static struct of_dev_auxdata omap_auxdata_lookup[];
44 static struct twl4030_gpio_platform_data twl_gpio_auxdata;
46 #ifdef CONFIG_MACH_NOKIA_N8X0
47 static void __init omap2420_n8x0_legacy_init(void)
49 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
52 #define omap2420_n8x0_legacy_init NULL
55 #ifdef CONFIG_ARCH_OMAP3
57 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
58 * mode for MMC1 in case bootloader did not configure things.
59 * Note that if the pins are used for MMC1, pbias-regulator
60 * manages the IO voltage.
62 static void __init omap3_gpio126_127_129(void)
66 reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE);
67 reg &= ~OMAP343X_PBIASLITEVMODE1;
68 reg |= OMAP343X_PBIASLITEPWRDNZ1;
69 omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE);
70 if (cpu_is_omap3630()) {
71 reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL);
72 reg |= OMAP36XX_GPIO_IO_PWRDNZ;
73 omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL);
77 static void __init hsmmc2_internal_input_clk(void)
81 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
82 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
83 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
86 #ifdef CONFIG_OMAP_HWMOD
87 static struct iommu_platform_data omap3_iommu_pdata = {
89 .assert_reset = omap_device_assert_hardreset,
90 .deassert_reset = omap_device_deassert_hardreset,
91 .device_enable = omap_device_enable,
92 .device_idle = omap_device_idle,
95 static struct iommu_platform_data omap3_iommu_isp_pdata = {
96 .device_enable = omap_device_enable,
97 .device_idle = omap_device_idle,
101 static int omap3_sbc_t3730_twl_callback(struct device *dev,
107 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
112 gpio_export(gpio, 0);
117 static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
119 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
122 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
127 gpio_export(gpio, 0);
130 gpio_set_value(gpio, 1);
134 static void __init omap3_sbc_t3730_twl_init(void)
136 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
139 static void __init omap3_sbc_t3730_legacy_init(void)
141 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
144 static void __init omap3_sbc_t3530_legacy_init(void)
146 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
149 static void __init omap3_evm_legacy_init(void)
151 hsmmc2_internal_input_clk();
154 static void am35xx_enable_emac_int(void)
158 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
159 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
160 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
161 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
162 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
165 static void am35xx_disable_emac_int(void)
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 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
172 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
175 static struct emac_platform_data am35xx_emac_pdata = {
176 .interrupt_enable = am35xx_enable_emac_int,
177 .interrupt_disable = am35xx_disable_emac_int,
180 static void __init am35xx_emac_reset(void)
184 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
185 v &= ~AM35XX_CPGMACSS_SW_RST;
186 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
187 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
190 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
191 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
192 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
195 static void __init omap3_sbc_t3517_wifi_init(void)
197 int err = gpio_request_array(cm_t3517_wlan_gpios,
198 ARRAY_SIZE(cm_t3517_wlan_gpios));
200 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
204 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
205 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
208 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
211 static void __init omap3_sbc_t3517_legacy_init(void)
213 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
214 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
216 hsmmc2_internal_input_clk();
217 omap3_sbc_t3517_wifi_init();
220 static void __init am3517_evm_legacy_init(void)
225 static void __init nokia_n900_legacy_init(void)
227 hsmmc2_internal_input_clk();
228 mmc_pdata[0].name = "external";
229 mmc_pdata[1].name = "internal";
231 if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
232 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
233 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
235 rx51_secure_update_aux_cr(BIT(6), 0);
237 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
238 pr_warn("Thumb binaries may crash randomly without this workaround\n");
243 static void __init omap3_tao3530_legacy_init(void)
245 hsmmc2_internal_input_clk();
248 static void __init omap3_logicpd_torpedo_init(void)
250 omap3_gpio126_127_129();
253 /* omap3pandora legacy devices */
255 static struct platform_device pandora_backlight = {
256 .name = "pandora-backlight",
260 static void __init omap3_pandora_legacy_init(void)
262 platform_device_register(&pandora_backlight);
264 #endif /* CONFIG_ARCH_OMAP3 */
266 #ifdef CONFIG_SOC_DRA7XX
267 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
268 .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
272 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
274 struct clk_hw *hw = __clk_get_hw(clk);
275 struct clockdomain *clkdm = NULL;
276 struct clk_hw_omap *hwclk;
278 hwclk = to_clk_hw_omap(hw);
279 if (!omap2_clk_is_hw_omap(hw))
282 if (hwclk && hwclk->clkdm_name)
283 clkdm = clkdm_lookup(hwclk->clkdm_name);
289 * ti_sysc_clkdm_init - find clockdomain based on clock
290 * @fck: device functional clock
291 * @ick: device interface clock
292 * @dev: struct device
294 * Populate clockdomain based on clock. It is needed for
295 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
296 * clockdomain idle during reset, enable and idle.
298 * Note that we assume interconnect driver manages the clocks
299 * and do not need to populate oh->_clk for dynamically
302 static int ti_sysc_clkdm_init(struct device *dev,
303 struct clk *fck, struct clk *ick,
304 struct ti_sysc_cookie *cookie)
307 cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
311 cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
318 static void ti_sysc_clkdm_deny_idle(struct device *dev,
319 const struct ti_sysc_cookie *cookie)
322 clkdm_deny_idle(cookie->clkdm);
325 static void ti_sysc_clkdm_allow_idle(struct device *dev,
326 const struct ti_sysc_cookie *cookie)
329 clkdm_allow_idle(cookie->clkdm);
332 #ifdef CONFIG_OMAP_HWMOD
333 static int ti_sysc_enable_module(struct device *dev,
334 const struct ti_sysc_cookie *cookie)
339 return omap_hwmod_enable(cookie->data);
342 static int ti_sysc_idle_module(struct device *dev,
343 const struct ti_sysc_cookie *cookie)
348 return omap_hwmod_idle(cookie->data);
351 static int ti_sysc_shutdown_module(struct device *dev,
352 const struct ti_sysc_cookie *cookie)
357 return omap_hwmod_shutdown(cookie->data);
359 #endif /* CONFIG_OMAP_HWMOD */
361 static bool ti_sysc_soc_type_gp(void)
363 return omap_type() == OMAP2_DEVICE_TYPE_GP;
366 static struct of_dev_auxdata omap_auxdata_lookup[];
368 static struct ti_sysc_platform_data ti_sysc_pdata = {
369 .auxdata = omap_auxdata_lookup,
370 .soc_type_gp = ti_sysc_soc_type_gp,
371 .init_clockdomain = ti_sysc_clkdm_init,
372 .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
373 .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
374 #ifdef CONFIG_OMAP_HWMOD
375 .init_module = omap_hwmod_init_module,
376 .enable_module = ti_sysc_enable_module,
377 .idle_module = ti_sysc_idle_module,
378 .shutdown_module = ti_sysc_shutdown_module,
382 static struct pcs_pdata pcs_pdata;
384 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
387 pcs_pdata.rearm = rearm;
390 static struct ti_prm_platform_data ti_prm_pdata = {
391 .clkdm_deny_idle = clkdm_deny_idle,
392 .clkdm_allow_idle = clkdm_allow_idle,
393 .clkdm_lookup = clkdm_lookup,
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 defined(CONFIG_ARCH_OMAP3) && IS_ENABLED(CONFIG_SND_SOC_OMAP_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),
444 #ifdef CONFIG_ARCH_OMAP3
445 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
447 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
448 &omap3_iommu_isp_pdata),
449 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
450 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
451 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
452 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
453 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
454 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
456 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
457 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
459 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
460 /* McBSP modules with sidetone core */
461 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
462 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
463 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
466 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
467 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
468 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
469 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
470 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
471 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
472 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
474 #ifdef CONFIG_SOC_DRA7XX
475 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
476 &dra7_ipu1_dsp_iommu_pdata),
477 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
478 &dra7_ipu1_dsp_iommu_pdata),
479 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
480 &dra7_ipu1_dsp_iommu_pdata),
483 OF_DEV_AUXDATA("simple-pm-bus", 0, NULL, omap_auxdata_lookup),
484 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
485 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
486 OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
487 OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
492 * Few boards still need to initialize some legacy devices with
493 * platform data until the drivers support device tree.
495 static struct pdata_init pdata_quirks[] __initdata = {
496 #ifdef CONFIG_ARCH_OMAP3
497 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
498 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
499 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
500 { "nokia,omap3-n900", nokia_n900_legacy_init, },
501 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
502 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
503 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
504 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
505 { "ti,am3517-evm", am3517_evm_legacy_init, },
506 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
507 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
508 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
513 static void pdata_quirks_check(struct pdata_init *quirks)
515 while (quirks->compatible) {
516 if (of_machine_is_compatible(quirks->compatible)) {
524 static const char * const pdata_quirks_init_nodes[] = {
530 pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table)
532 struct device_node *np;
535 for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) {
536 np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]);
540 of_platform_populate(np, omap_dt_match_table,
541 omap_auxdata_lookup, NULL);
547 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
550 * We still need this for omap2420 and omap3 PM to work, others are
551 * using drivers/misc/sram.c already.
553 if (of_machine_is_compatible("ti,omap2420") ||
554 of_machine_is_compatible("ti,omap3"))
555 omap_sdrc_init(NULL, NULL);
557 if (of_machine_is_compatible("ti,omap3"))
559 pdata_quirks_check(auxdata_quirks);
561 pdata_quirks_init_clocks(omap_dt_match_table);
563 of_platform_populate(NULL, omap_dt_match_table,
564 omap_auxdata_lookup, NULL);
565 pdata_quirks_check(pdata_quirks);