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 #if IS_ENABLED(CONFIG_OMAP_IOMMU)
47 int omap_iommu_set_pwrdm_constraint(struct platform_device
*pdev
, bool request
,
50 static inline int omap_iommu_set_pwrdm_constraint(struct platform_device
*pdev
,
51 bool request
, u8
*pwrst
)
57 #ifdef CONFIG_MACH_NOKIA_N8X0
58 static void __init
omap2420_n8x0_legacy_init(void)
60 omap_auxdata_lookup
[0].platform_data
= n8x0_legacy_init();
63 #define omap2420_n8x0_legacy_init NULL
66 #ifdef CONFIG_ARCH_OMAP3
68 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
69 * mode for MMC1 in case bootloader did not configure things.
70 * Note that if the pins are used for MMC1, pbias-regulator
71 * manages the IO voltage.
73 static void __init
omap3_gpio126_127_129(void)
77 reg
= omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE
);
78 reg
&= ~OMAP343X_PBIASLITEVMODE1
;
79 reg
|= OMAP343X_PBIASLITEPWRDNZ1
;
80 omap_ctrl_writel(reg
, OMAP343X_CONTROL_PBIAS_LITE
);
81 if (cpu_is_omap3630()) {
82 reg
= omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL
);
83 reg
|= OMAP36XX_GPIO_IO_PWRDNZ
;
84 omap_ctrl_writel(reg
, OMAP34XX_CONTROL_WKUP_CTRL
);
88 static void __init
hsmmc2_internal_input_clk(void)
92 reg
= omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1
);
93 reg
|= OMAP2_MMCSDIO2ADPCLKISEL
;
94 omap_ctrl_writel(reg
, OMAP343X_CONTROL_DEVCONF1
);
97 #ifdef CONFIG_OMAP_HWMOD
98 static struct iommu_platform_data omap3_iommu_pdata
= {
100 .assert_reset
= omap_device_assert_hardreset
,
101 .deassert_reset
= omap_device_deassert_hardreset
,
102 .device_enable
= omap_device_enable
,
103 .device_idle
= omap_device_idle
,
106 static struct iommu_platform_data omap3_iommu_isp_pdata
= {
107 .device_enable
= omap_device_enable
,
108 .device_idle
= omap_device_idle
,
112 static int omap3_sbc_t3730_twl_callback(struct device
*dev
,
118 res
= gpio_request_one(gpio
+ 2, GPIOF_OUT_INIT_HIGH
,
123 gpio_export(gpio
, 0);
128 static void __init
omap3_sbc_t3x_usb_hub_init(int gpio
, char *hub_name
)
130 int err
= gpio_request_one(gpio
, GPIOF_OUT_INIT_LOW
, hub_name
);
133 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
138 gpio_export(gpio
, 0);
141 gpio_set_value(gpio
, 1);
145 static void __init
omap3_sbc_t3730_twl_init(void)
147 twl_gpio_auxdata
.setup
= omap3_sbc_t3730_twl_callback
;
150 static void __init
omap3_sbc_t3730_legacy_init(void)
152 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
155 static void __init
omap3_sbc_t3530_legacy_init(void)
157 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
160 static void __init
omap3_evm_legacy_init(void)
162 hsmmc2_internal_input_clk();
165 static void am35xx_enable_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 AM35XX_CPGMAC_C0_MISC_PULSE_CLR
| AM35XX_CPGMAC_C0_RX_THRESH_CLR
);
172 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
173 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
176 static void am35xx_disable_emac_int(void)
180 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
181 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
);
182 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
183 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
186 static struct emac_platform_data am35xx_emac_pdata
= {
187 .interrupt_enable
= am35xx_enable_emac_int
,
188 .interrupt_disable
= am35xx_disable_emac_int
,
191 static void __init
am35xx_emac_reset(void)
195 v
= omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
);
196 v
&= ~AM35XX_CPGMACSS_SW_RST
;
197 omap_ctrl_writel(v
, AM35XX_CONTROL_IP_SW_RESET
);
198 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
); /* OCP barrier */
201 static struct gpio cm_t3517_wlan_gpios
[] __initdata
= {
202 { 56, GPIOF_OUT_INIT_HIGH
, "wlan pwr" },
203 { 4, GPIOF_OUT_INIT_HIGH
, "xcvr noe" },
206 static void __init
omap3_sbc_t3517_wifi_init(void)
208 int err
= gpio_request_array(cm_t3517_wlan_gpios
,
209 ARRAY_SIZE(cm_t3517_wlan_gpios
));
211 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err
);
215 gpio_export(cm_t3517_wlan_gpios
[0].gpio
, 0);
216 gpio_export(cm_t3517_wlan_gpios
[1].gpio
, 0);
219 gpio_set_value(cm_t3517_wlan_gpios
[1].gpio
, 0);
222 static void __init
omap3_sbc_t3517_legacy_init(void)
224 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
225 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
227 hsmmc2_internal_input_clk();
228 omap3_sbc_t3517_wifi_init();
231 static void __init
am3517_evm_legacy_init(void)
236 static void __init
nokia_n900_legacy_init(void)
238 hsmmc2_internal_input_clk();
239 mmc_pdata
[0].name
= "external";
240 mmc_pdata
[1].name
= "internal";
242 if (omap_type() != OMAP2_DEVICE_TYPE_GP
) {
243 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973
)) {
244 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
246 rx51_secure_update_aux_cr(BIT(6), 0);
248 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
249 pr_warn("Thumb binaries may crash randomly without this workaround\n");
254 static void __init
omap3_tao3530_legacy_init(void)
256 hsmmc2_internal_input_clk();
259 static void __init
omap3_logicpd_torpedo_init(void)
261 omap3_gpio126_127_129();
264 /* omap3pandora legacy devices */
266 static struct platform_device pandora_backlight
= {
267 .name
= "pandora-backlight",
271 static void __init
omap3_pandora_legacy_init(void)
273 platform_device_register(&pandora_backlight
);
275 #endif /* CONFIG_ARCH_OMAP3 */
277 #ifdef CONFIG_SOC_OMAP5
278 static void __init
omap5_uevm_legacy_init(void)
283 #ifdef CONFIG_SOC_DRA7XX
284 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata
= {
285 .set_pwrdm_constraint
= omap_iommu_set_pwrdm_constraint
,
288 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1
;
289 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2
;
290 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3
;
292 static void __init
dra7x_evm_mmc_quirk(void)
294 if (omap_rev() == DRA752_REV_ES1_1
|| omap_rev() == DRA752_REV_ES1_0
) {
295 dra7_hsmmc_data_mmc1
.version
= "rev11";
296 dra7_hsmmc_data_mmc1
.max_freq
= 96000000;
298 dra7_hsmmc_data_mmc2
.version
= "rev11";
299 dra7_hsmmc_data_mmc2
.max_freq
= 48000000;
301 dra7_hsmmc_data_mmc3
.version
= "rev11";
302 dra7_hsmmc_data_mmc3
.max_freq
= 48000000;
307 static struct clockdomain
*ti_sysc_find_one_clockdomain(struct clk
*clk
)
309 struct clk_hw
*hw
= __clk_get_hw(clk
);
310 struct clockdomain
*clkdm
= NULL
;
311 struct clk_hw_omap
*hwclk
;
313 hwclk
= to_clk_hw_omap(hw
);
314 if (!omap2_clk_is_hw_omap(hw
))
317 if (hwclk
&& hwclk
->clkdm_name
)
318 clkdm
= clkdm_lookup(hwclk
->clkdm_name
);
324 * ti_sysc_clkdm_init - find clockdomain based on clock
325 * @fck: device functional clock
326 * @ick: device interface clock
327 * @dev: struct device
329 * Populate clockdomain based on clock. It is needed for
330 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
331 * clockdomain idle during reset, enable and idle.
333 * Note that we assume interconnect driver manages the clocks
334 * and do not need to populate oh->_clk for dynamically
337 static int ti_sysc_clkdm_init(struct device
*dev
,
338 struct clk
*fck
, struct clk
*ick
,
339 struct ti_sysc_cookie
*cookie
)
342 cookie
->clkdm
= ti_sysc_find_one_clockdomain(fck
);
346 cookie
->clkdm
= ti_sysc_find_one_clockdomain(ick
);
353 static void ti_sysc_clkdm_deny_idle(struct device
*dev
,
354 const struct ti_sysc_cookie
*cookie
)
357 clkdm_deny_idle(cookie
->clkdm
);
360 static void ti_sysc_clkdm_allow_idle(struct device
*dev
,
361 const struct ti_sysc_cookie
*cookie
)
364 clkdm_allow_idle(cookie
->clkdm
);
367 #ifdef CONFIG_OMAP_HWMOD
368 static int ti_sysc_enable_module(struct device
*dev
,
369 const struct ti_sysc_cookie
*cookie
)
374 return omap_hwmod_enable(cookie
->data
);
377 static int ti_sysc_idle_module(struct device
*dev
,
378 const struct ti_sysc_cookie
*cookie
)
383 return omap_hwmod_idle(cookie
->data
);
386 static int ti_sysc_shutdown_module(struct device
*dev
,
387 const struct ti_sysc_cookie
*cookie
)
392 return omap_hwmod_shutdown(cookie
->data
);
394 #endif /* CONFIG_OMAP_HWMOD */
396 static bool ti_sysc_soc_type_gp(void)
398 return omap_type() == OMAP2_DEVICE_TYPE_GP
;
401 static struct of_dev_auxdata omap_auxdata_lookup
[];
403 static struct ti_sysc_platform_data ti_sysc_pdata
= {
404 .auxdata
= omap_auxdata_lookup
,
405 .soc_type_gp
= ti_sysc_soc_type_gp
,
406 .init_clockdomain
= ti_sysc_clkdm_init
,
407 .clkdm_deny_idle
= ti_sysc_clkdm_deny_idle
,
408 .clkdm_allow_idle
= ti_sysc_clkdm_allow_idle
,
409 #ifdef CONFIG_OMAP_HWMOD
410 .init_module
= omap_hwmod_init_module
,
411 .enable_module
= ti_sysc_enable_module
,
412 .idle_module
= ti_sysc_idle_module
,
413 .shutdown_module
= ti_sysc_shutdown_module
,
417 static struct pcs_pdata pcs_pdata
;
419 void omap_pcs_legacy_init(int irq
, void (*rearm
)(void))
422 pcs_pdata
.rearm
= rearm
;
425 static struct ti_prm_platform_data ti_prm_pdata
= {
426 .clkdm_deny_idle
= clkdm_deny_idle
,
427 .clkdm_allow_idle
= clkdm_allow_idle
,
428 .clkdm_lookup
= clkdm_lookup
,
432 * GPIOs for TWL are initialized by the I2C bus and need custom
433 * handing until DSS has device tree bindings.
435 void omap_auxdata_legacy_init(struct device
*dev
)
437 if (dev
->platform_data
)
440 if (strcmp("twl4030-gpio", dev_name(dev
)))
443 dev
->platform_data
= &twl_gpio_auxdata
;
446 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
447 static struct omap_mcbsp_platform_data mcbsp_pdata
;
448 static void __init
omap3_mcbsp_init(void)
450 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata
);
453 static void __init
omap3_mcbsp_init(void) {}
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 struct omap_sr_data __maybe_unused omap_sr_pdata
[OMAP_SR_NR
];
474 static struct of_dev_auxdata omap_auxdata_lookup
[] = {
475 #ifdef CONFIG_MACH_NOKIA_N8X0
476 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL
),
477 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data
),
478 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data
),
480 #ifdef CONFIG_ARCH_OMAP3
481 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
483 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
484 &omap3_iommu_isp_pdata
),
485 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
486 "480cb000.smartreflex", &omap_sr_pdata
[OMAP_SR_CORE
]),
487 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
488 "480c9000.smartreflex", &omap_sr_pdata
[OMAP_SR_MPU
]),
489 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata
[0]),
490 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata
[1]),
492 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL
),
493 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
495 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL
, rx51_secure_rng_call
),
496 /* McBSP modules with sidetone core */
497 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
498 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata
),
499 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata
),
502 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
503 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
504 "4a0db000.smartreflex", &omap_sr_pdata
[OMAP_SR_IVA
]),
505 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
506 "4a0dd000.smartreflex", &omap_sr_pdata
[OMAP_SR_CORE
]),
507 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
508 "4a0d9000.smartreflex", &omap_sr_pdata
[OMAP_SR_MPU
]),
510 #ifdef CONFIG_SOC_DRA7XX
511 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
512 &dra7_hsmmc_data_mmc1
),
513 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
514 &dra7_hsmmc_data_mmc2
),
515 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
516 &dra7_hsmmc_data_mmc3
),
517 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
518 &dra7_ipu1_dsp_iommu_pdata
),
519 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
520 &dra7_ipu1_dsp_iommu_pdata
),
521 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
522 &dra7_ipu1_dsp_iommu_pdata
),
525 OF_DEV_AUXDATA("ti,sysc", 0, NULL
, &ti_sysc_pdata
),
526 OF_DEV_AUXDATA("pinctrl-single", 0, NULL
, &pcs_pdata
),
527 OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL
, &ti_prm_pdata
),
528 OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL
, &dma_plat_info
),
533 * Few boards still need to initialize some legacy devices with
534 * platform data until the drivers support device tree.
536 static struct pdata_init pdata_quirks
[] __initdata
= {
537 #ifdef CONFIG_ARCH_OMAP3
538 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init
, },
539 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init
, },
540 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init
, },
541 { "nokia,omap3-n900", nokia_n900_legacy_init
, },
542 { "nokia,omap3-n9", hsmmc2_internal_input_clk
, },
543 { "nokia,omap3-n950", hsmmc2_internal_input_clk
, },
544 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init
, },
545 { "ti,omap3-evm-37xx", omap3_evm_legacy_init
, },
546 { "ti,am3517-evm", am3517_evm_legacy_init
, },
547 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init
, },
548 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init
, },
549 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init
, },
551 #ifdef CONFIG_SOC_OMAP5
552 { "ti,omap5-uevm", omap5_uevm_legacy_init
, },
554 #ifdef CONFIG_SOC_DRA7XX
555 { "ti,dra7-evm", dra7x_evm_mmc_quirk
, },
560 static void pdata_quirks_check(struct pdata_init
*quirks
)
562 while (quirks
->compatible
) {
563 if (of_machine_is_compatible(quirks
->compatible
)) {
571 void __init
pdata_quirks_init(const struct of_device_id
*omap_dt_match_table
)
573 struct device_node
*np
;
576 * We still need this for omap2420 and omap3 PM to work, others are
577 * using drivers/misc/sram.c already.
579 if (of_machine_is_compatible("ti,omap2420") ||
580 of_machine_is_compatible("ti,omap3"))
581 omap_sdrc_init(NULL
, NULL
);
583 if (of_machine_is_compatible("ti,omap3"))
585 pdata_quirks_check(auxdata_quirks
);
587 /* Populate always-on PRCM in l4_wkup to probe l4_wkup */
588 np
= of_find_node_by_name(NULL
, "prcm");
590 np
= of_find_node_by_name(NULL
, "prm");
592 of_platform_populate(np
, omap_dt_match_table
,
593 omap_auxdata_lookup
, NULL
);
595 of_platform_populate(NULL
, omap_dt_match_table
,
596 omap_auxdata_lookup
, NULL
);
597 pdata_quirks_check(pdata_quirks
);