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>
19 #include <linux/platform_data/pinctrl-single.h>
20 #include <linux/platform_data/iommu-omap.h>
23 #include "common-board-devices.h"
24 #include "dss-common.h"
26 #include "omap_device.h"
27 #include "omap-secure.h"
31 const char *compatible
;
35 struct of_dev_auxdata omap_auxdata_lookup
[];
36 static struct twl4030_gpio_platform_data twl_gpio_auxdata
;
38 #if IS_ENABLED(CONFIG_WL12XX)
40 static struct wl12xx_platform_data wl12xx __initdata
;
42 static void __init __used
legacy_init_wl12xx(unsigned ref_clock
,
48 wl12xx
.board_ref_clock
= ref_clock
;
49 wl12xx
.board_tcxo_clock
= tcxo_clock
;
50 wl12xx
.irq
= gpio_to_irq(gpio
);
52 res
= wl12xx_set_platform_data(&wl12xx
);
54 pr_err("error setting wl12xx data: %d\n", res
);
59 static inline void legacy_init_wl12xx(unsigned ref_clock
,
66 #ifdef CONFIG_MACH_NOKIA_N8X0
67 static void __init
omap2420_n8x0_legacy_init(void)
69 omap_auxdata_lookup
[0].platform_data
= n8x0_legacy_init();
72 #define omap2420_n8x0_legacy_init NULL
75 #ifdef CONFIG_ARCH_OMAP3
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
,
91 static int omap3_sbc_t3730_twl_callback(struct device
*dev
,
97 res
= gpio_request_one(gpio
+ 2, GPIOF_OUT_INIT_HIGH
,
102 gpio_export(gpio
, 0);
107 static void __init
omap3_sbc_t3x_usb_hub_init(int gpio
, char *hub_name
)
109 int err
= gpio_request_one(gpio
, GPIOF_OUT_INIT_LOW
, hub_name
);
112 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
117 gpio_export(gpio
, 0);
120 gpio_set_value(gpio
, 1);
124 static void __init
omap3_sbc_t3730_twl_init(void)
126 twl_gpio_auxdata
.setup
= omap3_sbc_t3730_twl_callback
;
129 static void __init
omap3_sbc_t3730_legacy_init(void)
131 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
132 legacy_init_wl12xx(WL12XX_REFCLOCK_38
, 0, 136);
135 static void __init
omap3_sbc_t3530_legacy_init(void)
137 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
140 struct ti_st_plat_data wilink_pdata
= {
141 .nshutdown_gpio
= 137,
142 .dev_name
= "/dev/ttyO1",
147 static struct platform_device wl18xx_device
= {
151 .platform_data
= &wilink_pdata
,
155 static struct platform_device btwilink_device
= {
160 static void __init
omap3_igep0020_rev_f_legacy_init(void)
162 legacy_init_wl12xx(0, 0, 177);
163 platform_device_register(&wl18xx_device
);
164 platform_device_register(&btwilink_device
);
167 static void __init
omap3_igep0030_rev_g_legacy_init(void)
169 legacy_init_wl12xx(0, 0, 136);
170 platform_device_register(&wl18xx_device
);
171 platform_device_register(&btwilink_device
);
174 static void __init
omap3_evm_legacy_init(void)
176 hsmmc2_internal_input_clk();
177 legacy_init_wl12xx(WL12XX_REFCLOCK_38
, 0, 149);
180 static void __init
omap3_zoom_legacy_init(void)
182 legacy_init_wl12xx(WL12XX_REFCLOCK_26
, 0, 162);
185 static void am35xx_enable_emac_int(void)
189 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
190 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
|
191 AM35XX_CPGMAC_C0_MISC_PULSE_CLR
| AM35XX_CPGMAC_C0_RX_THRESH_CLR
);
192 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
193 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
196 static void am35xx_disable_emac_int(void)
200 v
= omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
);
201 v
|= (AM35XX_CPGMAC_C0_RX_PULSE_CLR
| AM35XX_CPGMAC_C0_TX_PULSE_CLR
);
202 omap_ctrl_writel(v
, AM35XX_CONTROL_LVL_INTR_CLEAR
);
203 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR
); /* OCP barrier */
206 static struct emac_platform_data am35xx_emac_pdata
= {
207 .interrupt_enable
= am35xx_enable_emac_int
,
208 .interrupt_disable
= am35xx_disable_emac_int
,
211 static void __init
am35xx_emac_reset(void)
215 v
= omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
);
216 v
&= ~AM35XX_CPGMACSS_SW_RST
;
217 omap_ctrl_writel(v
, AM35XX_CONTROL_IP_SW_RESET
);
218 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET
); /* OCP barrier */
221 static struct gpio cm_t3517_wlan_gpios
[] __initdata
= {
222 { 56, GPIOF_OUT_INIT_HIGH
, "wlan pwr" },
223 { 4, GPIOF_OUT_INIT_HIGH
, "xcvr noe" },
226 static void __init
omap3_sbc_t3517_wifi_init(void)
228 int err
= gpio_request_array(cm_t3517_wlan_gpios
,
229 ARRAY_SIZE(cm_t3517_wlan_gpios
));
231 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err
);
235 gpio_export(cm_t3517_wlan_gpios
[0].gpio
, 0);
236 gpio_export(cm_t3517_wlan_gpios
[1].gpio
, 0);
239 gpio_set_value(cm_t3517_wlan_gpios
[1].gpio
, 0);
242 static void __init
omap3_sbc_t3517_legacy_init(void)
244 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
245 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
247 hsmmc2_internal_input_clk();
248 omap3_sbc_t3517_wifi_init();
249 legacy_init_wl12xx(WL12XX_REFCLOCK_38
, 0, 145);
252 static void __init
am3517_evm_legacy_init(void)
257 static struct platform_device omap3_rom_rng_device
= {
258 .name
= "omap3-rom-rng",
261 .platform_data
= rx51_secure_rng_call
,
265 static void __init
nokia_n900_legacy_init(void)
267 hsmmc2_internal_input_clk();
269 if (omap_type() == OMAP2_DEVICE_TYPE_SEC
) {
270 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973
)) {
271 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
273 rx51_secure_update_aux_cr(BIT(6), 0);
275 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
276 pr_warn("Thumb binaries may crash randomly without this workaround\n");
279 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
280 platform_device_register(&omap3_rom_rng_device
);
285 static void __init
omap3_tao3530_legacy_init(void)
287 hsmmc2_internal_input_clk();
289 #endif /* CONFIG_ARCH_OMAP3 */
291 #ifdef CONFIG_ARCH_OMAP4
292 static void __init
omap4_sdp_legacy_init(void)
294 legacy_init_wl12xx(WL12XX_REFCLOCK_26
,
295 WL12XX_TCXOCLOCK_26
, 53);
298 static void __init
omap4_panda_legacy_init(void)
300 legacy_init_wl12xx(WL12XX_REFCLOCK_38
, 0, 53);
303 static void __init
var_som_om44_legacy_init(void)
305 legacy_init_wl12xx(WL12XX_REFCLOCK_38
, 0, 41);
309 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
310 static struct iommu_platform_data omap4_iommu_pdata
= {
311 .reset_name
= "mmu_cache",
312 .assert_reset
= omap_device_assert_hardreset
,
313 .deassert_reset
= omap_device_deassert_hardreset
,
317 #ifdef CONFIG_SOC_AM33XX
318 static void __init
am335x_evmsk_legacy_init(void)
320 legacy_init_wl12xx(WL12XX_REFCLOCK_38
, 0, 31);
324 #ifdef CONFIG_SOC_OMAP5
325 static void __init
omap5_uevm_legacy_init(void)
330 static struct pcs_pdata pcs_pdata
;
332 void omap_pcs_legacy_init(int irq
, void (*rearm
)(void))
335 pcs_pdata
.rearm
= rearm
;
339 * GPIOs for TWL are initialized by the I2C bus and need custom
340 * handing until DSS has device tree bindings.
342 void omap_auxdata_legacy_init(struct device
*dev
)
344 if (dev
->platform_data
)
347 if (strcmp("twl4030-gpio", dev_name(dev
)))
350 dev
->platform_data
= &twl_gpio_auxdata
;
354 * Few boards still need auxdata populated before we populate
355 * the dev entries in of_platform_populate().
357 static struct pdata_init auxdata_quirks
[] __initdata
= {
358 #ifdef CONFIG_SOC_OMAP2420
359 { "nokia,n800", omap2420_n8x0_legacy_init
, },
360 { "nokia,n810", omap2420_n8x0_legacy_init
, },
361 { "nokia,n810-wimax", omap2420_n8x0_legacy_init
, },
363 #ifdef CONFIG_ARCH_OMAP3
364 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init
, },
369 struct of_dev_auxdata omap_auxdata_lookup
[] __initdata
= {
370 #ifdef CONFIG_MACH_NOKIA_N8X0
371 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL
),
372 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data
),
373 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data
),
375 #ifdef CONFIG_ARCH_OMAP3
376 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata
),
377 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata
),
378 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata
),
379 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
382 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL
),
383 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
386 #ifdef CONFIG_ARCH_OMAP4
387 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata
),
388 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata
),
390 #ifdef CONFIG_SOC_OMAP5
391 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata
),
392 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata
),
394 #ifdef CONFIG_SOC_DRA7XX
395 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata
),
397 #ifdef CONFIG_SOC_AM43XX
398 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata
),
400 #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
401 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
403 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
410 * Few boards still need to initialize some legacy devices with
411 * platform data until the drivers support device tree.
413 static struct pdata_init pdata_quirks
[] __initdata
= {
414 #ifdef CONFIG_ARCH_OMAP3
415 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init
, },
416 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init
, },
417 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init
, },
418 { "nokia,omap3-n900", nokia_n900_legacy_init
, },
419 { "nokia,omap3-n9", hsmmc2_internal_input_clk
, },
420 { "nokia,omap3-n950", hsmmc2_internal_input_clk
, },
421 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init
, },
422 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init
, },
423 { "ti,omap3-evm-37xx", omap3_evm_legacy_init
, },
424 { "ti,omap3-zoom3", omap3_zoom_legacy_init
, },
425 { "ti,am3517-evm", am3517_evm_legacy_init
, },
426 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init
, },
428 #ifdef CONFIG_ARCH_OMAP4
429 { "ti,omap4-sdp", omap4_sdp_legacy_init
, },
430 { "ti,omap4-panda", omap4_panda_legacy_init
, },
431 { "variscite,var-dvk-om44", var_som_om44_legacy_init
, },
432 { "variscite,var-stk-om44", var_som_om44_legacy_init
, },
434 #ifdef CONFIG_SOC_AM33XX
435 { "ti,am335x-evmsk", am335x_evmsk_legacy_init
, },
437 #ifdef CONFIG_SOC_OMAP5
438 { "ti,omap5-uevm", omap5_uevm_legacy_init
, },
443 static void pdata_quirks_check(struct pdata_init
*quirks
)
445 while (quirks
->compatible
) {
446 if (of_machine_is_compatible(quirks
->compatible
)) {
455 void __init
pdata_quirks_init(const struct of_device_id
*omap_dt_match_table
)
457 omap_sdrc_init(NULL
, NULL
);
458 pdata_quirks_check(auxdata_quirks
);
459 of_platform_populate(NULL
, omap_dt_match_table
,
460 omap_auxdata_lookup
, NULL
);
461 pdata_quirks_check(pdata_quirks
);