Merge tag 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux...
[deliverable/linux.git] / arch / arm / mach-omap2 / pdata-quirks.c
CommitLineData
6a08e1e6
TL
1/*
2 * Legacy platform_data quirks
3 *
4 * Copyright (C) 2013 Texas Instruments
5 *
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.
9 */
10#include <linux/clk.h>
71900314 11#include <linux/davinci_emac.h>
5f0a2c69 12#include <linux/gpio.h>
6a08e1e6
TL
13#include <linux/init.h>
14#include <linux/kernel.h>
8651bd8c 15#include <linux/of_platform.h>
d565b5f4 16#include <linux/ti_wilink_st.h>
5f0a2c69 17#include <linux/wl12xx.h>
6a08e1e6 18
30a69ef7 19#include <linux/platform_data/pinctrl-single.h>
910f1678 20#include <linux/platform_data/iommu-omap.h>
30a69ef7 21
6a08e1e6
TL
22#include "common.h"
23#include "common-board-devices.h"
24#include "dss-common.h"
faf4bd47 25#include "control.h"
910f1678 26#include "omap_device.h"
deff82e6
SR
27#include "omap-secure.h"
28#include "soc.h"
6a08e1e6
TL
29
30struct pdata_init {
31 const char *compatible;
32 void (*fn)(void);
33};
34
fa590c92 35struct of_dev_auxdata omap_auxdata_lookup[];
dad12d11 36static struct twl4030_gpio_platform_data twl_gpio_auxdata;
fa590c92 37
5f0a2c69
TL
38#if IS_ENABLED(CONFIG_WL12XX)
39
40static struct wl12xx_platform_data wl12xx __initdata;
41
42static void __init __used legacy_init_wl12xx(unsigned ref_clock,
43 unsigned tcxo_clock,
44 int gpio)
45{
46 int res;
47
48 wl12xx.board_ref_clock = ref_clock;
49 wl12xx.board_tcxo_clock = tcxo_clock;
50 wl12xx.irq = gpio_to_irq(gpio);
51
52 res = wl12xx_set_platform_data(&wl12xx);
53 if (res) {
54 pr_err("error setting wl12xx data: %d\n", res);
55 return;
56 }
57}
58#else
59static inline void legacy_init_wl12xx(unsigned ref_clock,
60 unsigned tcxo_clock,
61 int gpio)
62{
63}
64#endif
65
fa590c92
TL
66#ifdef CONFIG_MACH_NOKIA_N8X0
67static void __init omap2420_n8x0_legacy_init(void)
68{
69 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
70}
71#else
72#define omap2420_n8x0_legacy_init NULL
73#endif
74
faf4bd47
AK
75#ifdef CONFIG_ARCH_OMAP3
76static void __init hsmmc2_internal_input_clk(void)
77{
78 u32 reg;
79
80 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
81 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
82 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
83}
15c9887e 84
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85static struct iommu_platform_data omap3_iommu_pdata = {
86 .reset_name = "mmu",
87 .assert_reset = omap_device_assert_hardreset,
88 .deassert_reset = omap_device_deassert_hardreset,
89};
90
0f0cfc69
TL
91static int omap3_sbc_t3730_twl_callback(struct device *dev,
92 unsigned gpio,
93 unsigned ngpio)
94{
95 int res;
96
97 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
d234e423 98 "wlan pwr");
0f0cfc69
TL
99 if (res)
100 return res;
101
102 gpio_export(gpio, 0);
103
104 return 0;
105}
106
b62d91e5
DL
107static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
108{
109 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
110
111 if (err) {
112 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
113 hub_name, err);
114 return;
115 }
116
117 gpio_export(gpio, 0);
118
119 udelay(10);
120 gpio_set_value(gpio, 1);
121 msleep(1);
122}
123
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TL
124static void __init omap3_sbc_t3730_twl_init(void)
125{
126 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
127}
128
129static void __init omap3_sbc_t3730_legacy_init(void)
130{
b62d91e5 131 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
0f0cfc69 132 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
0f0cfc69
TL
133}
134
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DL
135static void __init omap3_sbc_t3530_legacy_init(void)
136{
b62d91e5 137 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
40ecc02e
DL
138}
139
d565b5f4
EBS
140struct ti_st_plat_data wilink_pdata = {
141 .nshutdown_gpio = 137,
142 .dev_name = "/dev/ttyO1",
143 .flow_cntrl = 1,
144 .baud_rate = 300000,
145};
146
147static struct platform_device wl18xx_device = {
148 .name = "kim",
149 .id = -1,
150 .dev = {
151 .platform_data = &wilink_pdata,
152 }
153};
154
155static struct platform_device btwilink_device = {
156 .name = "btwilink",
157 .id = -1,
158};
159
160static void __init omap3_igep0020_rev_f_legacy_init(void)
161{
162 legacy_init_wl12xx(0, 0, 177);
163 platform_device_register(&wl18xx_device);
164 platform_device_register(&btwilink_device);
165}
166
167static void __init omap3_igep0030_rev_g_legacy_init(void)
15c9887e 168{
d565b5f4
EBS
169 legacy_init_wl12xx(0, 0, 136);
170 platform_device_register(&wl18xx_device);
171 platform_device_register(&btwilink_device);
15c9887e 172}
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TL
173
174static void __init omap3_evm_legacy_init(void)
175{
5b7610f2 176 hsmmc2_internal_input_clk();
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177 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
178}
179
180static void __init omap3_zoom_legacy_init(void)
181{
182 legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
183}
71900314
TL
184
185static void am35xx_enable_emac_int(void)
186{
187 u32 v;
188
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 */
194}
195
196static void am35xx_disable_emac_int(void)
197{
198 u32 v;
199
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 */
204}
205
206static struct emac_platform_data am35xx_emac_pdata = {
207 .interrupt_enable = am35xx_enable_emac_int,
208 .interrupt_disable = am35xx_disable_emac_int,
209};
210
fb45105a 211static void __init am35xx_emac_reset(void)
71900314
TL
212{
213 u32 v;
214
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 */
219}
deff82e6 220
fb45105a
DL
221static struct gpio cm_t3517_wlan_gpios[] __initdata = {
222 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
223 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
224};
225
226static void __init omap3_sbc_t3517_wifi_init(void)
227{
228 int err = gpio_request_array(cm_t3517_wlan_gpios,
229 ARRAY_SIZE(cm_t3517_wlan_gpios));
230 if (err) {
231 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
232 return;
233 }
234
235 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
236 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
237
238 msleep(100);
239 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
240}
241
242static void __init omap3_sbc_t3517_legacy_init(void)
243{
b62d91e5
DL
244 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
245 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
fb45105a
DL
246 am35xx_emac_reset();
247 hsmmc2_internal_input_clk();
248 omap3_sbc_t3517_wifi_init();
249 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
fb45105a
DL
250}
251
252static void __init am3517_evm_legacy_init(void)
253{
254 am35xx_emac_reset();
255}
f83ccb93 256
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SR
257static struct platform_device omap3_rom_rng_device = {
258 .name = "omap3-rom-rng",
259 .id = -1,
260 .dev = {
261 .platform_data = rx51_secure_rng_call,
262 },
263};
264
deff82e6
SR
265static void __init nokia_n900_legacy_init(void)
266{
267 hsmmc2_internal_input_clk();
268
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");
272 /* set IBE to 1 */
273 rx51_secure_update_aux_cr(BIT(6), 0);
274 } else {
3d0cb73e
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275 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
276 pr_warn("Thumb binaries may crash randomly without this workaround\n");
deff82e6 277 }
14c0a5b4
SR
278
279 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
280 platform_device_register(&omap3_rom_rng_device);
281
deff82e6
SR
282 }
283}
63dd5bc0
SR
284
285static void __init omap3_tao3530_legacy_init(void)
286{
287 hsmmc2_internal_input_clk();
deff82e6 288}
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AK
289#endif /* CONFIG_ARCH_OMAP3 */
290
3e7a3185
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291#ifdef CONFIG_ARCH_OMAP4
292static void __init omap4_sdp_legacy_init(void)
293{
5f0a2c69
TL
294 legacy_init_wl12xx(WL12XX_REFCLOCK_26,
295 WL12XX_TCXOCLOCK_26, 53);
3e7a3185
TL
296}
297
298static void __init omap4_panda_legacy_init(void)
299{
5f0a2c69 300 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
3e7a3185 301}
95eb894e
JE
302
303static void __init var_som_om44_legacy_init(void)
304{
305 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 41);
306}
3e7a3185
TL
307#endif
308
67eb1e6e 309#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
910f1678
SA
310static 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,
314};
3e7a3185
TL
315#endif
316
90f4f01b
IK
317#ifdef CONFIG_SOC_AM33XX
318static void __init am335x_evmsk_legacy_init(void)
319{
320 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
321}
322#endif
323
3e7a3185
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324#ifdef CONFIG_SOC_OMAP5
325static void __init omap5_uevm_legacy_init(void)
326{
3e7a3185
TL
327}
328#endif
329
30a69ef7
TL
330static struct pcs_pdata pcs_pdata;
331
332void omap_pcs_legacy_init(int irq, void (*rearm)(void))
333{
334 pcs_pdata.irq = irq;
335 pcs_pdata.rearm = rearm;
336}
337
dad12d11
TL
338/*
339 * GPIOs for TWL are initialized by the I2C bus and need custom
340 * handing until DSS has device tree bindings.
341 */
342void omap_auxdata_legacy_init(struct device *dev)
343{
344 if (dev->platform_data)
345 return;
346
347 if (strcmp("twl4030-gpio", dev_name(dev)))
348 return;
349
350 dev->platform_data = &twl_gpio_auxdata;
351}
352
036582f7
TL
353/*
354 * Few boards still need auxdata populated before we populate
355 * the dev entries in of_platform_populate().
356 */
357static struct pdata_init auxdata_quirks[] __initdata = {
fa590c92
TL
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, },
0f0cfc69
TL
362#endif
363#ifdef CONFIG_ARCH_OMAP3
364 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
fa590c92 365#endif
036582f7
TL
366 { /* sentinel */ },
367};
368
8651bd8c 369struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
036582f7
TL
370#ifdef CONFIG_MACH_NOKIA_N8X0
371 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
e92ce89c
FB
372 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
373 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
036582f7 374#endif
30a69ef7
TL
375#ifdef CONFIG_ARCH_OMAP3
376 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
4b416368 377 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
30a69ef7 378 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
910f1678
SA
379 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
380 &omap3_iommu_pdata),
71900314
TL
381 /* Only on am3517 */
382 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
383 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
384 &am35xx_emac_pdata),
30a69ef7
TL
385#endif
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),
67eb1e6e 389#endif
874fef7d
NM
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),
393#endif
b0a3d0da
NM
394#ifdef CONFIG_SOC_DRA7XX
395 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
396#endif
dbbe9770
K
397#ifdef CONFIG_SOC_AM43XX
398 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
399#endif
67eb1e6e 400#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
910f1678
SA
401 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
402 &omap4_iommu_pdata),
403 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
404 &omap4_iommu_pdata),
30a69ef7 405#endif
8651bd8c
TL
406 { /* sentinel */ },
407};
408
036582f7
TL
409/*
410 * Few boards still need to initialize some legacy devices with
411 * platform data until the drivers support device tree.
412 */
6a08e1e6 413static struct pdata_init pdata_quirks[] __initdata = {
faf4bd47 414#ifdef CONFIG_ARCH_OMAP3
fb45105a 415 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
40ecc02e 416 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
0f0cfc69 417 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
deff82e6 418 { "nokia,omap3-n900", nokia_n900_legacy_init, },
faf4bd47
AK
419 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
420 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
d565b5f4
EBS
421 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
422 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
79b39f79
TL
423 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
424 { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
71900314 425 { "ti,am3517-evm", am3517_evm_legacy_init, },
63dd5bc0 426 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
faf4bd47 427#endif
3e7a3185
TL
428#ifdef CONFIG_ARCH_OMAP4
429 { "ti,omap4-sdp", omap4_sdp_legacy_init, },
430 { "ti,omap4-panda", omap4_panda_legacy_init, },
95eb894e
JE
431 { "variscite,var-dvk-om44", var_som_om44_legacy_init, },
432 { "variscite,var-stk-om44", var_som_om44_legacy_init, },
3e7a3185 433#endif
90f4f01b
IK
434#ifdef CONFIG_SOC_AM33XX
435 { "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
436#endif
3e7a3185
TL
437#ifdef CONFIG_SOC_OMAP5
438 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
439#endif
6a08e1e6
TL
440 { /* sentinel */ },
441};
442
036582f7 443static void pdata_quirks_check(struct pdata_init *quirks)
6a08e1e6 444{
6a08e1e6
TL
445 while (quirks->compatible) {
446 if (of_machine_is_compatible(quirks->compatible)) {
447 if (quirks->fn)
448 quirks->fn();
449 break;
450 }
451 quirks++;
452 }
453}
036582f7 454
31957609 455void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
036582f7
TL
456{
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);
462}
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