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/iommu-omap.h>
25 #include <linux/platform_data/wkup_m3.h>
27 #include <asm/siginfo.h>
28 #include <asm/signal.h>
31 #include "common-board-devices.h"
32 #include "dss-common.h"
34 #include "omap_device.h"
35 #include "omap-secure.h"
40 const char *compatible
;
44 static struct of_dev_auxdata omap_auxdata_lookup
[];
45 static struct twl4030_gpio_platform_data twl_gpio_auxdata
;
47 #ifdef CONFIG_MACH_NOKIA_N8X0
48 static void __init
omap2420_n8x0_legacy_init(void)
50 omap_auxdata_lookup
[0].platform_data
= n8x0_legacy_init();
53 #define omap2420_n8x0_legacy_init NULL
56 #ifdef CONFIG_ARCH_OMAP3
58 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
59 * mode for MMC1 in case bootloader did not configure things.
60 * Note that if the pins are used for MMC1, pbias-regulator
61 * manages the IO voltage.
63 static void __init
omap3_gpio126_127_129(void)
67 reg
= omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE
);
68 reg
&= ~OMAP343X_PBIASLITEVMODE1
;
69 reg
|= OMAP343X_PBIASLITEPWRDNZ1
;
70 omap_ctrl_writel(reg
, OMAP343X_CONTROL_PBIAS_LITE
);
71 if (cpu_is_omap3630()) {
72 reg
= omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL
);
73 reg
|= OMAP36XX_GPIO_IO_PWRDNZ
;
74 omap_ctrl_writel(reg
, OMAP34XX_CONTROL_WKUP_CTRL
);
78 static void __init
hsmmc2_internal_input_clk(void)
82 reg
= omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1
);
83 reg
|= OMAP2_MMCSDIO2ADPCLKISEL
;
84 omap_ctrl_writel(reg
, OMAP343X_CONTROL_DEVCONF1
);
87 static struct iommu_platform_data omap3_iommu_pdata
= {
89 .assert_reset
= omap_device_assert_hardreset
,
90 .deassert_reset
= omap_device_deassert_hardreset
,
93 static int omap3_sbc_t3730_twl_callback(struct device
*dev
,
99 res
= gpio_request_one(gpio
+ 2, GPIOF_OUT_INIT_HIGH
,
104 gpio_export(gpio
, 0);
109 static void __init
omap3_sbc_t3x_usb_hub_init(int gpio
, char *hub_name
)
111 int err
= gpio_request_one(gpio
, GPIOF_OUT_INIT_LOW
, hub_name
);
114 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
119 gpio_export(gpio
, 0);
122 gpio_set_value(gpio
, 1);
126 static void __init
omap3_sbc_t3730_twl_init(void)
128 twl_gpio_auxdata
.setup
= omap3_sbc_t3730_twl_callback
;
131 static void __init
omap3_sbc_t3730_legacy_init(void)
133 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
136 static void __init
omap3_sbc_t3530_legacy_init(void)
138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
141 static struct ti_st_plat_data wilink_pdata
= {
142 .nshutdown_gpio
= 137,
143 .dev_name
= "/dev/ttyO1",
148 static struct platform_device wl18xx_device
= {
152 .platform_data
= &wilink_pdata
,
156 static struct platform_device btwilink_device
= {
161 static void __init
omap3_igep0020_rev_f_legacy_init(void)
163 platform_device_register(&wl18xx_device
);
164 platform_device_register(&btwilink_device
);
167 static void __init
omap3_igep0030_rev_g_legacy_init(void)
169 platform_device_register(&wl18xx_device
);
170 platform_device_register(&btwilink_device
);
173 static void __init
omap3_evm_legacy_init(void)
175 hsmmc2_internal_input_clk();
178 static void am35xx_enable_emac_int(void)
182 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
183 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
|
184 AM35XX_CPGMAC_C0_MISC_PULSE_CLR
| AM35XX_CPGMAC_C0_RX_THRESH_CLR
);
185 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
186 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
189 static void am35xx_disable_emac_int(void)
193 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
194 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
);
195 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
196 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
199 static struct emac_platform_data am35xx_emac_pdata
= {
200 .interrupt_enable
= am35xx_enable_emac_int
,
201 .interrupt_disable
= am35xx_disable_emac_int
,
204 static void __init
am35xx_emac_reset(void)
208 v
= omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
);
209 v
&= ~AM35XX_CPGMACSS_SW_RST
;
210 omap_ctrl_writel(v
, AM35XX_CONTROL_IP_SW_RESET
);
211 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
); /* OCP barrier */
214 static struct gpio cm_t3517_wlan_gpios
[] __initdata
= {
215 { 56, GPIOF_OUT_INIT_HIGH
, "wlan pwr" },
216 { 4, GPIOF_OUT_INIT_HIGH
, "xcvr noe" },
219 static void __init
omap3_sbc_t3517_wifi_init(void)
221 int err
= gpio_request_array(cm_t3517_wlan_gpios
,
222 ARRAY_SIZE(cm_t3517_wlan_gpios
));
224 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err
);
228 gpio_export(cm_t3517_wlan_gpios
[0].gpio
, 0);
229 gpio_export(cm_t3517_wlan_gpios
[1].gpio
, 0);
232 gpio_set_value(cm_t3517_wlan_gpios
[1].gpio
, 0);
235 static void __init
omap3_sbc_t3517_legacy_init(void)
237 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
238 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
240 hsmmc2_internal_input_clk();
241 omap3_sbc_t3517_wifi_init();
244 static void __init
am3517_evm_legacy_init(void)
249 static struct platform_device omap3_rom_rng_device
= {
250 .name
= "omap3-rom-rng",
253 .platform_data
= rx51_secure_rng_call
,
257 static void __init
nokia_n900_legacy_init(void)
259 hsmmc2_internal_input_clk();
261 if (omap_type() == OMAP2_DEVICE_TYPE_SEC
) {
262 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973
)) {
263 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
265 rx51_secure_update_aux_cr(BIT(6), 0);
267 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
268 pr_warn("Thumb binaries may crash randomly without this workaround\n");
271 pr_info("RX-51: Registering OMAP3 HWRNG device\n");
272 platform_device_register(&omap3_rom_rng_device
);
277 static void __init
omap3_tao3530_legacy_init(void)
279 hsmmc2_internal_input_clk();
282 /* omap3pandora legacy devices */
283 #define PANDORA_WIFI_IRQ_GPIO 21
284 #define PANDORA_WIFI_NRESET_GPIO 23
286 static struct platform_device pandora_backlight
= {
287 .name
= "pandora-backlight",
291 static struct regulator_consumer_supply pandora_vmmc3_supply
[] = {
292 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
295 static struct regulator_init_data pandora_vmmc3
= {
297 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
299 .num_consumer_supplies
= ARRAY_SIZE(pandora_vmmc3_supply
),
300 .consumer_supplies
= pandora_vmmc3_supply
,
303 static struct fixed_voltage_config pandora_vwlan
= {
304 .supply_name
= "vwlan",
305 .microvolts
= 1800000, /* 1.8V */
306 .gpio
= PANDORA_WIFI_NRESET_GPIO
,
307 .startup_delay
= 50000, /* 50ms */
309 .init_data
= &pandora_vmmc3
,
312 static struct platform_device pandora_vwlan_device
= {
313 .name
= "reg-fixed-voltage",
316 .platform_data
= &pandora_vwlan
,
320 static void pandora_wl1251_init_card(struct mmc_card
*card
)
323 * We have TI wl1251 attached to MMC3. Pass this information to
324 * SDIO core because it can't be probed by normal methods.
326 if (card
->type
== MMC_TYPE_SDIO
|| card
->type
== MMC_TYPE_SD_COMBO
) {
327 card
->quirks
|= MMC_QUIRK_NONSTD_SDIO
;
328 card
->cccr
.wide_bus
= 1;
329 card
->cis
.vendor
= 0x104c;
330 card
->cis
.device
= 0x9066;
331 card
->cis
.blksize
= 512;
332 card
->cis
.max_dtr
= 24000000;
337 static struct omap2_hsmmc_info pandora_mmc3
[] = {
340 .caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_POWER_OFF_CARD
,
343 .init_card
= pandora_wl1251_init_card
,
348 static void __init
pandora_wl1251_init(void)
350 struct wl1251_platform_data pandora_wl1251_pdata
;
353 memset(&pandora_wl1251_pdata
, 0, sizeof(pandora_wl1251_pdata
));
355 pandora_wl1251_pdata
.power_gpio
= -1;
357 ret
= gpio_request_one(PANDORA_WIFI_IRQ_GPIO
, GPIOF_IN
, "wl1251 irq");
361 pandora_wl1251_pdata
.irq
= gpio_to_irq(PANDORA_WIFI_IRQ_GPIO
);
362 if (pandora_wl1251_pdata
.irq
< 0)
365 pandora_wl1251_pdata
.use_eeprom
= true;
366 ret
= wl1251_set_platform_data(&pandora_wl1251_pdata
);
373 gpio_free(PANDORA_WIFI_IRQ_GPIO
);
375 pr_err("wl1251 board initialisation failed\n");
378 static void __init
omap3_pandora_legacy_init(void)
380 platform_device_register(&pandora_backlight
);
381 platform_device_register(&pandora_vwlan_device
);
382 omap_hsmmc_init(pandora_mmc3
);
383 omap_hsmmc_late_init(pandora_mmc3
);
384 pandora_wl1251_init();
386 #endif /* CONFIG_ARCH_OMAP3 */
388 #ifdef CONFIG_SOC_TI81XX
389 static int fault_fixed_up
;
391 static int t410_abort_handler(unsigned long addr
, unsigned int fsr
,
392 struct pt_regs
*regs
)
394 if ((fsr
== 0x406 || fsr
== 0xc06) && !fault_fixed_up
) {
395 pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n",
404 static void __init
t410_abort_init(void)
406 hook_fault_code(16 + 6, t410_abort_handler
, SIGBUS
, BUS_OBJERR
,
407 "imprecise external abort");
411 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
412 static struct iommu_platform_data omap4_iommu_pdata
= {
413 .reset_name
= "mmu_cache",
414 .assert_reset
= omap_device_assert_hardreset
,
415 .deassert_reset
= omap_device_deassert_hardreset
,
419 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
420 static struct wkup_m3_platform_data wkup_m3_data
= {
421 .reset_name
= "wkup_m3",
422 .assert_reset
= omap_device_assert_hardreset
,
423 .deassert_reset
= omap_device_deassert_hardreset
,
427 #ifdef CONFIG_SOC_OMAP5
428 static void __init
omap5_uevm_legacy_init(void)
433 static struct pcs_pdata pcs_pdata
;
435 void omap_pcs_legacy_init(int irq
, void (*rearm
)(void))
438 pcs_pdata
.rearm
= rearm
;
442 * GPIOs for TWL are initialized by the I2C bus and need custom
443 * handing until DSS has device tree bindings.
445 void omap_auxdata_legacy_init(struct device
*dev
)
447 if (dev
->platform_data
)
450 if (strcmp("twl4030-gpio", dev_name(dev
)))
453 dev
->platform_data
= &twl_gpio_auxdata
;
457 * Few boards still need auxdata populated before we populate
458 * the dev entries in of_platform_populate().
460 static struct pdata_init auxdata_quirks
[] __initdata
= {
461 #ifdef CONFIG_SOC_OMAP2420
462 { "nokia,n800", omap2420_n8x0_legacy_init
, },
463 { "nokia,n810", omap2420_n8x0_legacy_init
, },
464 { "nokia,n810-wimax", omap2420_n8x0_legacy_init
, },
466 #ifdef CONFIG_ARCH_OMAP3
467 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init
, },
472 static struct of_dev_auxdata omap_auxdata_lookup
[] __initdata
= {
473 #ifdef CONFIG_MACH_NOKIA_N8X0
474 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL
),
475 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data
),
476 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data
),
478 #ifdef CONFIG_ARCH_OMAP3
479 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata
),
480 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata
),
481 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata
),
482 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
485 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL
),
486 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
489 #ifdef CONFIG_SOC_AM33XX
490 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
493 #ifdef CONFIG_ARCH_OMAP4
494 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata
),
495 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata
),
497 #ifdef CONFIG_SOC_OMAP5
498 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata
),
499 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata
),
501 #ifdef CONFIG_SOC_DRA7XX
502 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata
),
504 #ifdef CONFIG_SOC_AM43XX
505 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata
),
506 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
509 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
510 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
512 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
519 * Few boards still need to initialize some legacy devices with
520 * platform data until the drivers support device tree.
522 static struct pdata_init pdata_quirks
[] __initdata
= {
523 #ifdef CONFIG_ARCH_OMAP3
524 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init
, },
525 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init
, },
526 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init
, },
527 { "nokia,omap3-n900", nokia_n900_legacy_init
, },
528 { "nokia,omap3-n9", hsmmc2_internal_input_clk
, },
529 { "nokia,omap3-n950", hsmmc2_internal_input_clk
, },
530 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init
, },
531 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init
, },
532 { "logicpd,dm3730-torpedo-devkit", omap3_gpio126_127_129
, },
533 { "ti,omap3-evm-37xx", omap3_evm_legacy_init
, },
534 { "ti,am3517-evm", am3517_evm_legacy_init
, },
535 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init
, },
536 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init
, },
537 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init
, },
539 #ifdef CONFIG_SOC_TI81XX
540 { "hp,t410", t410_abort_init
, },
542 #ifdef CONFIG_SOC_OMAP5
543 { "ti,omap5-uevm", omap5_uevm_legacy_init
, },
548 static void pdata_quirks_check(struct pdata_init
*quirks
)
550 while (quirks
->compatible
) {
551 if (of_machine_is_compatible(quirks
->compatible
)) {
560 void __init
pdata_quirks_init(const struct of_device_id
*omap_dt_match_table
)
563 * We still need this for omap2420 and omap3 PM to work, others are
564 * using drivers/misc/sram.c already.
566 if (of_machine_is_compatible("ti,omap2420") ||
567 of_machine_is_compatible("ti,omap3"))
568 omap_sdrc_init(NULL
, NULL
);
570 pdata_quirks_check(auxdata_quirks
);
571 of_platform_populate(NULL
, omap_dt_match_table
,
572 omap_auxdata_lookup
, NULL
);
573 pdata_quirks_check(pdata_quirks
);