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>
27 #include "clockdomain.h"
29 #include "common-board-devices.h"
31 #include "omap_device.h"
32 #include "omap-secure.h"
35 static struct omap_hsmmc_platform_data __maybe_unused mmc_pdata
[2];
38 const char *compatible
;
42 static struct of_dev_auxdata omap_auxdata_lookup
[];
43 static struct twl4030_gpio_platform_data twl_gpio_auxdata
;
45 #ifdef CONFIG_MACH_NOKIA_N8X0
46 static void __init
omap2420_n8x0_legacy_init(void)
48 omap_auxdata_lookup
[0].platform_data
= n8x0_legacy_init();
51 #define omap2420_n8x0_legacy_init NULL
54 #ifdef CONFIG_ARCH_OMAP3
56 * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V
57 * mode for MMC1 in case bootloader did not configure things.
58 * Note that if the pins are used for MMC1, pbias-regulator
59 * manages the IO voltage.
61 static void __init
omap3_gpio126_127_129(void)
65 reg
= omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE
);
66 reg
&= ~OMAP343X_PBIASLITEVMODE1
;
67 reg
|= OMAP343X_PBIASLITEPWRDNZ1
;
68 omap_ctrl_writel(reg
, OMAP343X_CONTROL_PBIAS_LITE
);
69 if (cpu_is_omap3630()) {
70 reg
= omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL
);
71 reg
|= OMAP36XX_GPIO_IO_PWRDNZ
;
72 omap_ctrl_writel(reg
, OMAP34XX_CONTROL_WKUP_CTRL
);
76 static void __init
hsmmc2_internal_input_clk(void)
80 reg
= omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1
);
81 reg
|= OMAP2_MMCSDIO2ADPCLKISEL
;
82 omap_ctrl_writel(reg
, OMAP343X_CONTROL_DEVCONF1
);
85 static struct iommu_platform_data omap3_iommu_pdata
= {
87 .assert_reset
= omap_device_assert_hardreset
,
88 .deassert_reset
= omap_device_deassert_hardreset
,
89 .device_enable
= omap_device_enable
,
90 .device_idle
= omap_device_idle
,
93 static struct iommu_platform_data omap3_iommu_isp_pdata
= {
94 .device_enable
= omap_device_enable
,
95 .device_idle
= omap_device_idle
,
98 static int omap3_sbc_t3730_twl_callback(struct device
*dev
,
104 res
= gpio_request_one(gpio
+ 2, GPIOF_OUT_INIT_HIGH
,
109 gpio_export(gpio
, 0);
114 static void __init
omap3_sbc_t3x_usb_hub_init(int gpio
, char *hub_name
)
116 int err
= gpio_request_one(gpio
, GPIOF_OUT_INIT_LOW
, hub_name
);
119 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
124 gpio_export(gpio
, 0);
127 gpio_set_value(gpio
, 1);
131 static void __init
omap3_sbc_t3730_twl_init(void)
133 twl_gpio_auxdata
.setup
= omap3_sbc_t3730_twl_callback
;
136 static void __init
omap3_sbc_t3730_legacy_init(void)
138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
141 static void __init
omap3_sbc_t3530_legacy_init(void)
143 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
146 static void __init
omap3_evm_legacy_init(void)
148 hsmmc2_internal_input_clk();
151 static void am35xx_enable_emac_int(void)
155 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
156 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
|
157 AM35XX_CPGMAC_C0_MISC_PULSE_CLR
| AM35XX_CPGMAC_C0_RX_THRESH_CLR
);
158 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
159 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
162 static void am35xx_disable_emac_int(void)
166 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
167 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
);
168 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
169 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
172 static struct emac_platform_data am35xx_emac_pdata
= {
173 .interrupt_enable
= am35xx_enable_emac_int
,
174 .interrupt_disable
= am35xx_disable_emac_int
,
177 static void __init
am35xx_emac_reset(void)
181 v
= omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
);
182 v
&= ~AM35XX_CPGMACSS_SW_RST
;
183 omap_ctrl_writel(v
, AM35XX_CONTROL_IP_SW_RESET
);
184 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
); /* OCP barrier */
187 static struct gpio cm_t3517_wlan_gpios
[] __initdata
= {
188 { 56, GPIOF_OUT_INIT_HIGH
, "wlan pwr" },
189 { 4, GPIOF_OUT_INIT_HIGH
, "xcvr noe" },
192 static void __init
omap3_sbc_t3517_wifi_init(void)
194 int err
= gpio_request_array(cm_t3517_wlan_gpios
,
195 ARRAY_SIZE(cm_t3517_wlan_gpios
));
197 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err
);
201 gpio_export(cm_t3517_wlan_gpios
[0].gpio
, 0);
202 gpio_export(cm_t3517_wlan_gpios
[1].gpio
, 0);
205 gpio_set_value(cm_t3517_wlan_gpios
[1].gpio
, 0);
208 static void __init
omap3_sbc_t3517_legacy_init(void)
210 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
211 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
213 hsmmc2_internal_input_clk();
214 omap3_sbc_t3517_wifi_init();
217 static void __init
am3517_evm_legacy_init(void)
222 static void __init
nokia_n900_legacy_init(void)
224 hsmmc2_internal_input_clk();
225 mmc_pdata
[0].name
= "external";
226 mmc_pdata
[1].name
= "internal";
228 if (omap_type() != OMAP2_DEVICE_TYPE_GP
) {
229 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973
)) {
230 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
232 rx51_secure_update_aux_cr(BIT(6), 0);
234 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
235 pr_warn("Thumb binaries may crash randomly without this workaround\n");
240 static void __init
omap3_tao3530_legacy_init(void)
242 hsmmc2_internal_input_clk();
245 static void __init
omap3_logicpd_torpedo_init(void)
247 omap3_gpio126_127_129();
250 /* omap3pandora legacy devices */
252 static struct platform_device pandora_backlight
= {
253 .name
= "pandora-backlight",
257 static void __init
omap3_pandora_legacy_init(void)
259 platform_device_register(&pandora_backlight
);
261 #endif /* CONFIG_ARCH_OMAP3 */
263 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
264 static struct iommu_platform_data omap4_iommu_pdata
= {
265 .reset_name
= "mmu_cache",
266 .assert_reset
= omap_device_assert_hardreset
,
267 .deassert_reset
= omap_device_deassert_hardreset
,
268 .device_enable
= omap_device_enable
,
269 .device_idle
= omap_device_idle
,
273 #if defined(CONFIG_SOC_AM33XX) || defined(CONFIG_SOC_AM43XX)
274 static struct wkup_m3_platform_data wkup_m3_data
= {
275 .reset_name
= "wkup_m3",
276 .assert_reset
= omap_device_assert_hardreset
,
277 .deassert_reset
= omap_device_deassert_hardreset
,
281 #ifdef CONFIG_SOC_OMAP5
282 static void __init
omap5_uevm_legacy_init(void)
287 #ifdef CONFIG_SOC_DRA7XX
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 static int ti_sysc_enable_module(struct device
*dev
,
368 const struct ti_sysc_cookie
*cookie
)
373 return omap_hwmod_enable(cookie
->data
);
376 static int ti_sysc_idle_module(struct device
*dev
,
377 const struct ti_sysc_cookie
*cookie
)
382 return omap_hwmod_idle(cookie
->data
);
385 static int ti_sysc_shutdown_module(struct device
*dev
,
386 const struct ti_sysc_cookie
*cookie
)
391 return omap_hwmod_shutdown(cookie
->data
);
394 static struct of_dev_auxdata omap_auxdata_lookup
[];
396 static struct ti_sysc_platform_data ti_sysc_pdata
= {
397 .auxdata
= omap_auxdata_lookup
,
398 .init_clockdomain
= ti_sysc_clkdm_init
,
399 .clkdm_deny_idle
= ti_sysc_clkdm_deny_idle
,
400 .clkdm_allow_idle
= ti_sysc_clkdm_allow_idle
,
401 .init_module
= omap_hwmod_init_module
,
402 .enable_module
= ti_sysc_enable_module
,
403 .idle_module
= ti_sysc_idle_module
,
404 .shutdown_module
= ti_sysc_shutdown_module
,
407 static struct pcs_pdata pcs_pdata
;
409 void omap_pcs_legacy_init(int irq
, void (*rearm
)(void))
412 pcs_pdata
.rearm
= rearm
;
416 * GPIOs for TWL are initialized by the I2C bus and need custom
417 * handing until DSS has device tree bindings.
419 void omap_auxdata_legacy_init(struct device
*dev
)
421 if (dev
->platform_data
)
424 if (strcmp("twl4030-gpio", dev_name(dev
)))
427 dev
->platform_data
= &twl_gpio_auxdata
;
430 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
431 static struct omap_mcbsp_platform_data mcbsp_pdata
;
432 static void __init
omap3_mcbsp_init(void)
434 omap3_mcbsp_init_pdata_callback(&mcbsp_pdata
);
437 static void __init
omap3_mcbsp_init(void) {}
441 * Few boards still need auxdata populated before we populate
442 * the dev entries in of_platform_populate().
444 static struct pdata_init auxdata_quirks
[] __initdata
= {
445 #ifdef CONFIG_SOC_OMAP2420
446 { "nokia,n800", omap2420_n8x0_legacy_init
, },
447 { "nokia,n810", omap2420_n8x0_legacy_init
, },
448 { "nokia,n810-wimax", omap2420_n8x0_legacy_init
, },
450 #ifdef CONFIG_ARCH_OMAP3
451 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init
, },
456 struct omap_sr_data __maybe_unused omap_sr_pdata
[OMAP_SR_NR
];
458 static struct of_dev_auxdata omap_auxdata_lookup
[] = {
459 #ifdef CONFIG_MACH_NOKIA_N8X0
460 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL
),
461 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data
),
462 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data
),
464 #ifdef CONFIG_ARCH_OMAP3
465 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
467 OF_DEV_AUXDATA("ti,omap2-iommu", 0x480bd400, "480bd400.mmu",
468 &omap3_iommu_isp_pdata
),
469 OF_DEV_AUXDATA("ti,omap3-smartreflex-core", 0x480cb000,
470 "480cb000.smartreflex", &omap_sr_pdata
[OMAP_SR_CORE
]),
471 OF_DEV_AUXDATA("ti,omap3-smartreflex-mpu-iva", 0x480c9000,
472 "480c9000.smartreflex", &omap_sr_pdata
[OMAP_SR_MPU
]),
473 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x4809c000, "4809c000.mmc", &mmc_pdata
[0]),
474 OF_DEV_AUXDATA("ti,omap3-hsmmc", 0x480b4000, "480b4000.mmc", &mmc_pdata
[1]),
476 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL
),
477 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
479 OF_DEV_AUXDATA("nokia,n900-rom-rng", 0, NULL
, rx51_secure_rng_call
),
480 /* McBSP modules with sidetone core */
481 #if IS_ENABLED(CONFIG_SND_SOC_OMAP_MCBSP)
482 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49022000, "49022000.mcbsp", &mcbsp_pdata
),
483 OF_DEV_AUXDATA("ti,omap3-mcbsp", 0x49024000, "49024000.mcbsp", &mcbsp_pdata
),
486 #ifdef CONFIG_SOC_AM33XX
487 OF_DEV_AUXDATA("ti,am3352-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
490 #ifdef CONFIG_SOC_AM43XX
491 OF_DEV_AUXDATA("ti,am4372-wkup-m3", 0x44d00000, "44d00000.wkup_m3",
494 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
495 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
497 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
499 OF_DEV_AUXDATA("ti,omap4-smartreflex-iva", 0x4a0db000,
500 "4a0db000.smartreflex", &omap_sr_pdata
[OMAP_SR_IVA
]),
501 OF_DEV_AUXDATA("ti,omap4-smartreflex-core", 0x4a0dd000,
502 "4a0dd000.smartreflex", &omap_sr_pdata
[OMAP_SR_CORE
]),
503 OF_DEV_AUXDATA("ti,omap4-smartreflex-mpu", 0x4a0d9000,
504 "4a0d9000.smartreflex", &omap_sr_pdata
[OMAP_SR_MPU
]),
506 #ifdef CONFIG_SOC_DRA7XX
507 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x4809c000, "4809c000.mmc",
508 &dra7_hsmmc_data_mmc1
),
509 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480b4000, "480b4000.mmc",
510 &dra7_hsmmc_data_mmc2
),
511 OF_DEV_AUXDATA("ti,dra7-hsmmc", 0x480ad000, "480ad000.mmc",
512 &dra7_hsmmc_data_mmc3
),
515 OF_DEV_AUXDATA("ti,sysc", 0, NULL
, &ti_sysc_pdata
),
516 OF_DEV_AUXDATA("pinctrl-single", 0, NULL
, &pcs_pdata
),
521 * Few boards still need to initialize some legacy devices with
522 * platform data until the drivers support device tree.
524 static struct pdata_init pdata_quirks
[] __initdata
= {
525 #ifdef CONFIG_ARCH_OMAP3
526 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init
, },
527 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init
, },
528 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init
, },
529 { "nokia,omap3-n900", nokia_n900_legacy_init
, },
530 { "nokia,omap3-n9", hsmmc2_internal_input_clk
, },
531 { "nokia,omap3-n950", hsmmc2_internal_input_clk
, },
532 { "logicpd,dm3730-torpedo-devkit", omap3_logicpd_torpedo_init
, },
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_OMAP5
540 { "ti,omap5-uevm", omap5_uevm_legacy_init
, },
542 #ifdef CONFIG_SOC_DRA7XX
543 { "ti,dra7-evm", dra7x_evm_mmc_quirk
, },
548 static void pdata_quirks_check(struct pdata_init
*quirks
)
550 while (quirks
->compatible
) {
551 if (of_machine_is_compatible(quirks
->compatible
)) {
559 void __init
pdata_quirks_init(const struct of_device_id
*omap_dt_match_table
)
562 * We still need this for omap2420 and omap3 PM to work, others are
563 * using drivers/misc/sram.c already.
565 if (of_machine_is_compatible("ti,omap2420") ||
566 of_machine_is_compatible("ti,omap3"))
567 omap_sdrc_init(NULL
, NULL
);
569 if (of_machine_is_compatible("ti,omap3"))
571 pdata_quirks_check(auxdata_quirks
);
572 of_platform_populate(NULL
, omap_dt_match_table
,
573 omap_auxdata_lookup
, NULL
);
574 pdata_quirks_check(pdata_quirks
);