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 static struct iommu_platform_data omap3_iommu_pdata
= {
99 .assert_reset
= omap_device_assert_hardreset
,
100 .deassert_reset
= omap_device_deassert_hardreset
,
101 .device_enable
= omap_device_enable
,
102 .device_idle
= omap_device_idle
,
105 static struct iommu_platform_data omap3_iommu_isp_pdata
= {
106 .device_enable
= omap_device_enable
,
107 .device_idle
= omap_device_idle
,
110 static int omap3_sbc_t3730_twl_callback(struct device
*dev
,
116 res
= gpio_request_one(gpio
+ 2, GPIOF_OUT_INIT_HIGH
,
121 gpio_export(gpio
, 0);
126 static void __init
omap3_sbc_t3x_usb_hub_init(int gpio
, char *hub_name
)
128 int err
= gpio_request_one(gpio
, GPIOF_OUT_INIT_LOW
, hub_name
);
131 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
136 gpio_export(gpio
, 0);
139 gpio_set_value(gpio
, 1);
143 static void __init
omap3_sbc_t3730_twl_init(void)
145 twl_gpio_auxdata
.setup
= omap3_sbc_t3730_twl_callback
;
148 static void __init
omap3_sbc_t3730_legacy_init(void)
150 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
153 static void __init
omap3_sbc_t3530_legacy_init(void)
155 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
158 static void __init
omap3_evm_legacy_init(void)
160 hsmmc2_internal_input_clk();
163 static void am35xx_enable_emac_int(void)
167 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
168 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
|
169 AM35XX_CPGMAC_C0_MISC_PULSE_CLR
| AM35XX_CPGMAC_C0_RX_THRESH_CLR
);
170 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
171 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
174 static void am35xx_disable_emac_int(void)
178 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
179 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
);
180 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
181 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
184 static struct emac_platform_data am35xx_emac_pdata
= {
185 .interrupt_enable
= am35xx_enable_emac_int
,
186 .interrupt_disable
= am35xx_disable_emac_int
,
189 static void __init
am35xx_emac_reset(void)
193 v
= omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
);
194 v
&= ~AM35XX_CPGMACSS_SW_RST
;
195 omap_ctrl_writel(v
, AM35XX_CONTROL_IP_SW_RESET
);
196 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
); /* OCP barrier */
199 static struct gpio cm_t3517_wlan_gpios
[] __initdata
= {
200 { 56, GPIOF_OUT_INIT_HIGH
, "wlan pwr" },
201 { 4, GPIOF_OUT_INIT_HIGH
, "xcvr noe" },
204 static void __init
omap3_sbc_t3517_wifi_init(void)
206 int err
= gpio_request_array(cm_t3517_wlan_gpios
,
207 ARRAY_SIZE(cm_t3517_wlan_gpios
));
209 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err
);
213 gpio_export(cm_t3517_wlan_gpios
[0].gpio
, 0);
214 gpio_export(cm_t3517_wlan_gpios
[1].gpio
, 0);
217 gpio_set_value(cm_t3517_wlan_gpios
[1].gpio
, 0);
220 static void __init
omap3_sbc_t3517_legacy_init(void)
222 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
223 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
225 hsmmc2_internal_input_clk();
226 omap3_sbc_t3517_wifi_init();
229 static void __init
am3517_evm_legacy_init(void)
234 static void __init
nokia_n900_legacy_init(void)
236 hsmmc2_internal_input_clk();
237 mmc_pdata
[0].name
= "external";
238 mmc_pdata
[1].name
= "internal";
240 if (omap_type() != OMAP2_DEVICE_TYPE_GP
) {
241 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973
)) {
242 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
244 rx51_secure_update_aux_cr(BIT(6), 0);
246 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
247 pr_warn("Thumb binaries may crash randomly without this workaround\n");
252 static void __init
omap3_tao3530_legacy_init(void)
254 hsmmc2_internal_input_clk();
257 static void __init
omap3_logicpd_torpedo_init(void)
259 omap3_gpio126_127_129();
262 /* omap3pandora legacy devices */
264 static struct platform_device pandora_backlight
= {
265 .name
= "pandora-backlight",
269 static void __init
omap3_pandora_legacy_init(void)
271 platform_device_register(&pandora_backlight
);
273 #endif /* CONFIG_ARCH_OMAP3 */
275 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
276 static struct wkup_m3_platform_data wkup_m3_data
= {
277 .reset_name
= "wkup_m3",
278 .assert_reset
= omap_device_assert_hardreset
,
279 .deassert_reset
= omap_device_deassert_hardreset
,
283 #ifdef CONFIG_SOC_OMAP5
284 static void __init
omap5_uevm_legacy_init(void)
289 #ifdef CONFIG_SOC_DRA7XX
290 static struct iommu_platform_data dra7_ipu1_dsp_iommu_pdata
= {
291 .set_pwrdm_constraint
= omap_iommu_set_pwrdm_constraint
,
294 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc1
;
295 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc2
;
296 static struct omap_hsmmc_platform_data dra7_hsmmc_data_mmc3
;
298 static void __init
dra7x_evm_mmc_quirk(void)
300 if (omap_rev() == DRA752_REV_ES1_1
|| omap_rev() == DRA752_REV_ES1_0
) {
301 dra7_hsmmc_data_mmc1
.version
= "rev11";
302 dra7_hsmmc_data_mmc1
.max_freq
= 96000000;
304 dra7_hsmmc_data_mmc2
.version
= "rev11";
305 dra7_hsmmc_data_mmc2
.max_freq
= 48000000;
307 dra7_hsmmc_data_mmc3
.version
= "rev11";
308 dra7_hsmmc_data_mmc3
.max_freq
= 48000000;
313 static struct clockdomain
*ti_sysc_find_one_clockdomain(struct clk
*clk
)
315 struct clk_hw
*hw
= __clk_get_hw(clk
);
316 struct clockdomain
*clkdm
= NULL
;
317 struct clk_hw_omap
*hwclk
;
319 hwclk
= to_clk_hw_omap(hw
);
320 if (!omap2_clk_is_hw_omap(hw
))
323 if (hwclk
&& hwclk
->clkdm_name
)
324 clkdm
= clkdm_lookup(hwclk
->clkdm_name
);
330 * ti_sysc_clkdm_init - find clockdomain based on clock
331 * @fck: device functional clock
332 * @ick: device interface clock
333 * @dev: struct device
335 * Populate clockdomain based on clock. It is needed for
336 * clkdm_deny_idle() and clkdm_allow_idle() for blocking clockdomain
337 * clockdomain idle during reset, enable and idle.
339 * Note that we assume interconnect driver manages the clocks
340 * and do not need to populate oh->_clk for dynamically
343 static int ti_sysc_clkdm_init(struct device
*dev
,
344 struct clk
*fck
, struct clk
*ick
,
345 struct ti_sysc_cookie
*cookie
)
348 cookie
->clkdm
= ti_sysc_find_one_clockdomain(fck
);
352 cookie
->clkdm
= ti_sysc_find_one_clockdomain(ick
);
359 static void ti_sysc_clkdm_deny_idle(struct device
*dev
,
360 const struct ti_sysc_cookie
*cookie
)
363 clkdm_deny_idle(cookie
->clkdm
);
366 static void ti_sysc_clkdm_allow_idle(struct device
*dev
,
367 const struct ti_sysc_cookie
*cookie
)
370 clkdm_allow_idle(cookie
->clkdm
);
373 static int ti_sysc_enable_module(struct device
*dev
,
374 const struct ti_sysc_cookie
*cookie
)
379 return omap_hwmod_enable(cookie
->data
);
382 static int ti_sysc_idle_module(struct device
*dev
,
383 const struct ti_sysc_cookie
*cookie
)
388 return omap_hwmod_idle(cookie
->data
);
391 static int ti_sysc_shutdown_module(struct device
*dev
,
392 const struct ti_sysc_cookie
*cookie
)
397 return omap_hwmod_shutdown(cookie
->data
);
400 static struct of_dev_auxdata omap_auxdata_lookup
[];
402 static struct ti_sysc_platform_data ti_sysc_pdata
= {
403 .auxdata
= omap_auxdata_lookup
,
404 .init_clockdomain
= ti_sysc_clkdm_init
,
405 .clkdm_deny_idle
= ti_sysc_clkdm_deny_idle
,
406 .clkdm_allow_idle
= ti_sysc_clkdm_allow_idle
,
407 .init_module
= omap_hwmod_init_module
,
408 .enable_module
= ti_sysc_enable_module
,
409 .idle_module
= ti_sysc_idle_module
,
410 .shutdown_module
= ti_sysc_shutdown_module
,
413 static struct pcs_pdata pcs_pdata
;
415 void omap_pcs_legacy_init(int irq
, void (*rearm
)(void))
418 pcs_pdata
.rearm
= rearm
;
421 static struct ti_prm_platform_data ti_prm_pdata
= {
422 .clkdm_deny_idle
= clkdm_deny_idle
,
423 .clkdm_allow_idle
= clkdm_allow_idle
,
424 .clkdm_lookup
= clkdm_lookup
,
428 * GPIOs for TWL are initialized by the I2C bus and need custom
429 * handing until DSS has device tree bindings.
431 void omap_auxdata_legacy_init(struct device
*dev
)
433 if (dev
->platform_data
)
436 if (strcmp("twl4030-gpio", dev_name(dev
)))
439 dev
->platform_data
= &twl_gpio_auxdata
;
442 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
443 static struct omap_mcbsp_platform_data mcbsp_pdata
;
444 static void __init
omap3_mcbsp_init(void)
446 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata
);
449 static void __init
omap3_mcbsp_init(void) {}
453 * Few boards still need auxdata populated before we populate
454 * the dev entries in of_platform_populate().
456 static struct pdata_init auxdata_quirks
[] __initdata
= {
457 #ifdef CONFIG_SOC_OMAP2420
458 { "nokia,n800", omap2420_n8x0_legacy_init
, },
459 { "nokia,n810", omap2420_n8x0_legacy_init
, },
460 { "nokia,n810-wimax", omap2420_n8x0_legacy_init
, },
462 #ifdef CONFIG_ARCH_OMAP3
463 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init
, },
468 struct omap_sr_data __maybe_unused omap_sr_pdata
[OMAP_SR_NR
];
470 static struct of_dev_auxdata omap_auxdata_lookup
[] = {
471 #ifdef CONFIG_MACH_NOKIA_N8X0
472 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL
),
473 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data
),
474 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data
),
476 #ifdef CONFIG_ARCH_OMAP3
477 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
479 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
480 &omap3_iommu_isp_pdata
),
481 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
482 "480cb000.smartreflex", &omap_sr_pdata
[OMAP_SR_CORE
]),
483 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
484 "480c9000.smartreflex", &omap_sr_pdata
[OMAP_SR_MPU
]),
485 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata
[0]),
486 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata
[1]),
488 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL
),
489 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
491 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL
, rx51_secure_rng_call
),
492 /* McBSP modules with sidetone core */
493 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
494 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata
),
495 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata
),
498 #ifdef CONFIG_SOC_AM33XX
499 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
502 #ifdef CONFIG_SOC_AM43XX
503 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
506 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
507 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
508 "4a0db000.smartreflex", &omap_sr_pdata
[OMAP_SR_IVA
]),
509 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
510 "4a0dd000.smartreflex", &omap_sr_pdata
[OMAP_SR_CORE
]),
511 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
512 "4a0d9000.smartreflex", &omap_sr_pdata
[OMAP_SR_MPU
]),
514 #ifdef CONFIG_SOC_DRA7XX
515 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
516 &dra7_hsmmc_data_mmc1
),
517 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
518 &dra7_hsmmc_data_mmc2
),
519 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
520 &dra7_hsmmc_data_mmc3
),
521 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x40d01000, "40d01000.mmu",
522 &dra7_ipu1_dsp_iommu_pdata
),
523 OF_DEV_AUXDATA("ti,dra7-dsp-iommu", 0x41501000, "41501000.mmu",
524 &dra7_ipu1_dsp_iommu_pdata
),
525 OF_DEV_AUXDATA("ti,dra7-iommu", 0x58882000, "58882000.mmu",
526 &dra7_ipu1_dsp_iommu_pdata
),
529 OF_DEV_AUXDATA("ti,sysc", 0, NULL
, &ti_sysc_pdata
),
530 OF_DEV_AUXDATA("pinctrl-single", 0, NULL
, &pcs_pdata
),
531 OF_DEV_AUXDATA("ti,omap-prm-inst", 0, NULL
, &ti_prm_pdata
),
532 OF_DEV_AUXDATA("ti,omap-sdma", 0, NULL
, &dma_plat_info
),
537 * Few boards still need to initialize some legacy devices with
538 * platform data until the drivers support device tree.
540 static struct pdata_init pdata_quirks
[] __initdata
= {
541 #ifdef CONFIG_ARCH_OMAP3
542 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init
, },
543 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init
, },
544 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init
, },
545 { "nokia,omap3-n900", nokia_n900_legacy_init
, },
546 { "nokia,omap3-n9", hsmmc2_internal_input_clk
, },
547 { "nokia,omap3-n950", hsmmc2_internal_input_clk
, },
548 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init
, },
549 { "ti,omap3-evm-37xx", omap3_evm_legacy_init
, },
550 { "ti,am3517-evm", am3517_evm_legacy_init
, },
551 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init
, },
552 { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init
, },
553 { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init
, },
555 #ifdef CONFIG_SOC_OMAP5
556 { "ti,omap5-uevm", omap5_uevm_legacy_init
, },
558 #ifdef CONFIG_SOC_DRA7XX
559 { "ti,dra7-evm", dra7x_evm_mmc_quirk
, },
564 static void pdata_quirks_check(struct pdata_init
*quirks
)
566 while (quirks
->compatible
) {
567 if (of_machine_is_compatible(quirks
->compatible
)) {
575 void __init
pdata_quirks_init(const struct of_device_id
*omap_dt_match_table
)
578 * We still need this for omap2420 and omap3 PM to work, others are
579 * using drivers/misc/sram.c already.
581 if (of_machine_is_compatible("ti,omap2420") ||
582 of_machine_is_compatible("ti,omap3"))
583 omap_sdrc_init(NULL
, NULL
);
585 if (of_machine_is_compatible("ti,omap3"))
587 pdata_quirks_check(auxdata_quirks
);
588 of_platform_populate(NULL
, omap_dt_match_table
,
589 omap_auxdata_lookup
, NULL
);
590 pdata_quirks_check(pdata_quirks
);