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/machine.h>
10 #include <linux/gpio/consumer.h>
11 #include <linux/gpio.h>
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/of_platform.h>
15 #include <linux/mmc/card.h>
16 #include <linux/mmc/host.h>
17 #include <linux/power/smartreflex.h>
18 #include <linux/regulator/machine.h>
19 #include <linux/regulator/fixed.h>
21 #include <linux/platform_data/pinctrl-single.h>
22 #include <linux/platform_data/hsmmc-omap.h>
23 #include <linux/platform_data/iommu-omap.h>
24 #include <linux/platform_data/ti-sysc.h>
25 #include <linux/platform_data/wkup_m3.h>
26 #include <linux/platform_data/asoc-ti-mcbsp.h>
27 #include <linux/platform_data/ti-prm.h>
29 #include "clockdomain.h"
31 #include "common-board-devices.h"
33 #include "omap_device.h"
34 #include "omap-secure.h"
37 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata[2];
40 const char *compatible;
44 static struct of_dev_auxdata omap_auxdata_lookup[];
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 void __init omap3_sbc_t3x_usb_hub_init(char *hub_name, int idx)
105 /* This asserts the RESET line (reverse polarity) */
106 d = gpiod_get_index(NULL, "reset", idx, GPIOD_OUT_HIGH);
108 pr_err("Unable to get T3x USB reset GPIO descriptor\n");
111 gpiod_set_consumer_name(d, hub_name);
114 /* De-assert RESET */
115 gpiod_set_value(d, 0);
119 static struct gpiod_lookup_table omap3_sbc_t3x_usb_gpio_table = {
122 GPIO_LOOKUP_IDX("gpio-160-175", 7, "reset", 0,
128 static void __init omap3_sbc_t3730_legacy_init(void)
130 gpiod_add_lookup_table(&omap3_sbc_t3x_usb_gpio_table);
131 omap3_sbc_t3x_usb_hub_init("sb-t35 usb hub", 0);
134 static void __init omap3_sbc_t3530_legacy_init(void)
136 gpiod_add_lookup_table(&omap3_sbc_t3x_usb_gpio_table);
137 omap3_sbc_t3x_usb_hub_init("sb-t35 usb hub", 0);
140 static void __init omap3_evm_legacy_init(void)
142 hsmmc2_internal_input_clk();
145 static void am35xx_enable_emac_int(void)
149 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
150 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
151 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
152 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
153 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
156 static void am35xx_disable_emac_int(void)
160 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
161 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
162 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
163 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
166 static struct emac_platform_data am35xx_emac_pdata = {
167 .interrupt_enable = am35xx_enable_emac_int,
168 .interrupt_disable = am35xx_disable_emac_int,
171 static void __init am35xx_emac_reset(void)
175 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
176 v &= ~AM35XX_CPGMACSS_SW_RST;
177 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
178 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
181 static struct gpio cm_t3517_wlan_gpios[] __initdata = {
182 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
183 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
186 static void __init omap3_sbc_t3517_wifi_init(void)
188 int err = gpio_request_array(cm_t3517_wlan_gpios,
189 ARRAY_SIZE(cm_t3517_wlan_gpios));
191 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
195 gpiod_export(gpio_to_desc(cm_t3517_wlan_gpios[0].gpio), 0);
196 gpiod_export(gpio_to_desc(cm_t3517_wlan_gpios[1].gpio), 0);
199 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
202 static struct gpiod_lookup_table omap3_sbc_t3517_usb_gpio_table = {
205 GPIO_LOOKUP_IDX("gpio-144-159", 8, "reset", 0,
207 GPIO_LOOKUP_IDX("gpio-96-111", 2, "reset", 1,
213 static void __init omap3_sbc_t3517_legacy_init(void)
215 gpiod_add_lookup_table(&omap3_sbc_t3517_usb_gpio_table);
216 omap3_sbc_t3x_usb_hub_init("cm-t3517 usb hub", 0);
217 omap3_sbc_t3x_usb_hub_init("sb-t35 usb hub", 1);
219 hsmmc2_internal_input_clk();
220 omap3_sbc_t3517_wifi_init();
223 static void __init am3517_evm_legacy_init(void)
228 static void __init nokia_n900_legacy_init(void)
230 hsmmc2_internal_input_clk();
231 mmc_pdata[0].name = "external";
232 mmc_pdata[1].name = "internal";
234 if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
235 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
236 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
238 rx51_secure_update_aux_cr(BIT(6), 0);
240 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
241 pr_warn("Thumb binaries may crash randomly without this workaround\n");
246 static void __init omap3_tao3530_legacy_init(void)
248 hsmmc2_internal_input_clk();
251 static void __init omap3_logicpd_torpedo_init(void)
253 omap3_gpio126_127_129();
256 /* omap3pandora legacy devices */
258 static struct platform_device pandora_backlight = {
259 .name = "pandora-backlight",
263 static void __init omap3_pandora_legacy_init(void)
265 platform_device_register(&pandora_backlight);
267 #endif /* CONFIG_ARCH_OMAP3 */
269 #ifdef CONFIG_SOC_DRA7XX
270 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata = {
271 .set_pwrdm_constraint = omap_iommu_set_pwrdm_constraint,
275 static struct clockdomain *ti_sysc_find_one_clockdomain(struct clk *clk)
277 struct clk_hw *hw = __clk_get_hw(clk);
278 struct clockdomain *clkdm = NULL;
279 struct clk_hw_omap *hwclk;
281 hwclk = to_clk_hw_omap(hw);
282 if (!omap2_clk_is_hw_omap(hw))
285 if (hwclk && hwclk->clkdm_name)
286 clkdm = clkdm_lookup(hwclk->clkdm_name);
292 * ti_sysc_clkdm_init - find clockdomain based on clock
293 * @fck: device functional clock
294 * @ick: device interface clock
295 * @dev: struct device
297 * Populate clockdomain based on clock. It is needed for
298 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
299 * clockdomain idle during reset, enable and idle.
301 * Note that we assume interconnect driver manages the clocks
302 * and do not need to populate oh->_clk for dynamically
305 static int ti_sysc_clkdm_init(struct device *dev,
306 struct clk *fck, struct clk *ick,
307 struct ti_sysc_cookie *cookie)
310 cookie->clkdm = ti_sysc_find_one_clockdomain(fck);
314 cookie->clkdm = ti_sysc_find_one_clockdomain(ick);
321 static void ti_sysc_clkdm_deny_idle(struct device *dev,
322 const struct ti_sysc_cookie *cookie)
325 clkdm_deny_idle(cookie->clkdm);
328 static void ti_sysc_clkdm_allow_idle(struct device *dev,
329 const struct ti_sysc_cookie *cookie)
332 clkdm_allow_idle(cookie->clkdm);
335 #ifdef CONFIG_OMAP_HWMOD
336 static int ti_sysc_enable_module(struct device *dev,
337 const struct ti_sysc_cookie *cookie)
342 return omap_hwmod_enable(cookie->data);
345 static int ti_sysc_idle_module(struct device *dev,
346 const struct ti_sysc_cookie *cookie)
351 return omap_hwmod_idle(cookie->data);
354 static int ti_sysc_shutdown_module(struct device *dev,
355 const struct ti_sysc_cookie *cookie)
360 return omap_hwmod_shutdown(cookie->data);
362 #endif /* CONFIG_OMAP_HWMOD */
364 static bool ti_sysc_soc_type_gp(void)
366 return omap_type() == OMAP2_DEVICE_TYPE_GP;
369 static struct of_dev_auxdata omap_auxdata_lookup[];
371 static struct ti_sysc_platform_data ti_sysc_pdata = {
372 .auxdata = omap_auxdata_lookup,
373 .soc_type_gp = ti_sysc_soc_type_gp,
374 .init_clockdomain = ti_sysc_clkdm_init,
375 .clkdm_deny_idle = ti_sysc_clkdm_deny_idle,
376 .clkdm_allow_idle = ti_sysc_clkdm_allow_idle,
377 #ifdef CONFIG_OMAP_HWMOD
378 .init_module = omap_hwmod_init_module,
379 .enable_module = ti_sysc_enable_module,
380 .idle_module = ti_sysc_idle_module,
381 .shutdown_module = ti_sysc_shutdown_module,
385 static struct pcs_pdata pcs_pdata;
387 void omap_pcs_legacy_init(int irq, void (*rearm)(void))
390 pcs_pdata.rearm = rearm;
393 static struct ti_prm_platform_data ti_prm_pdata = {
394 .clkdm_deny_idle = clkdm_deny_idle,
395 .clkdm_allow_idle = clkdm_allow_idle,
396 .clkdm_lookup = clkdm_lookup,
399 #if defined(CONFIG_ARCH_OMAP3) && IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
400 static struct omap_mcbsp_platform_data mcbsp_pdata;
401 static void __init omap3_mcbsp_init(void)
403 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata);
406 static void __init omap3_mcbsp_init(void) {}
410 * Few boards still need auxdata populated before we populate
411 * the dev entries in of_platform_populate().
413 static struct pdata_init auxdata_quirks[] __initdata = {
414 #ifdef CONFIG_SOC_OMAP2420
415 { "nokia,n800", omap2420_n8x0_legacy_init, },
416 { "nokia,n810", omap2420_n8x0_legacy_init, },
417 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
422 struct omap_sr_data __maybe_unused omap_sr_pdata[OMAP_SR_NR];
424 static struct of_dev_auxdata omap_auxdata_lookup[] = {
425 #ifdef CONFIG_MACH_NOKIA_N8X0
426 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
427 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
429 #ifdef CONFIG_ARCH_OMAP3
430 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
432 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
433 &omap3_iommu_isp_pdata),
434 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
435 "480cb000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
436 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
437 "480c9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
438 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata[0]),
439 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata[1]),
441 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
442 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
444 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL, rx51_secure_rng_call),
445 /* McBSP modules with sidetone core */
446 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
447 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata),
448 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata),
451 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
452 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
453 "4a0db000.smartreflex", &omap_sr_pdata[OMAP_SR_IVA]),
454 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
455 "4a0dd000.smartreflex", &omap_sr_pdata[OMAP_SR_CORE]),
456 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
457 "4a0d9000.smartreflex", &omap_sr_pdata[OMAP_SR_MPU]),
459 #ifdef CONFIG_SOC_DRA7XX
460 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
461 &dra7_ipu1_dsp_iommu_pdata),
462 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
463 &dra7_ipu1_dsp_iommu_pdata),
464 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
465 &dra7_ipu1_dsp_iommu_pdata),
468 OF_DEV_AUXDATA("simple-pm-bus", 0, NULL, omap_auxdata_lookup),
469 OF_DEV_AUXDATA("ti,sysc", 0, NULL, &ti_sysc_pdata),
470 OF_DEV_AUXDATA("pinctrl-single", 0, NULL, &pcs_pdata),
471 OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL, &ti_prm_pdata),
472 OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL, &dma_plat_info),
477 * Few boards still need to initialize some legacy devices with
478 * platform data until the drivers support device tree.
480 static struct pdata_init pdata_quirks[] __initdata = {
481 #ifdef CONFIG_ARCH_OMAP3
482 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
483 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
484 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
485 { "nokia,omap3-n900", nokia_n900_legacy_init, },
486 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
487 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
488 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init, },
489 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
490 { "ti,am3517-evm", am3517_evm_legacy_init, },
491 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
492 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, },
493 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, },
498 static void pdata_quirks_check(struct pdata_init *quirks)
500 while (quirks->compatible) {
501 if (of_machine_is_compatible(quirks->compatible)) {
509 static const char * const pdata_quirks_init_nodes[] = {
515 pdata_quirks_init_clocks(const struct of_device_id *omap_dt_match_table)
517 struct device_node *np;
520 for (i = 0; i < ARRAY_SIZE(pdata_quirks_init_nodes); i++) {
521 np = of_find_node_by_name(NULL, pdata_quirks_init_nodes[i]);
525 of_platform_populate(np, omap_dt_match_table,
526 omap_auxdata_lookup, NULL);
532 void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
535 * We still need this for omap2420 and omap3 PM to work, others are
536 * using drivers/misc/sram.c already.
538 if (of_machine_is_compatible("ti,omap2420") ||
539 of_machine_is_compatible("ti,omap3"))
540 omap_sdrc_init(NULL, NULL);
542 if (of_machine_is_compatible("ti,omap3"))
544 pdata_quirks_check(auxdata_quirks);
546 pdata_quirks_init_clocks(omap_dt_match_table);
548 of_platform_populate(NULL, omap_dt_match_table,
549 omap_auxdata_lookup, NULL);
550 pdata_quirks_check(pdata_quirks);