ARM: OMAP5: use pdata quirks for pinctrl information
[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>
5f0a2c69 16#include <linux/wl12xx.h>
6a08e1e6 17
30a69ef7 18#include <linux/platform_data/pinctrl-single.h>
910f1678 19#include <linux/platform_data/iommu-omap.h>
30a69ef7 20
71900314 21#include "am35xx.h"
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
910f1678
SA
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
0f0cfc69
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
TL
132 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
133 omap_ads7846_init(1, 57, 0, NULL);
134}
135
40ecc02e
DL
136static void __init omap3_sbc_t3530_legacy_init(void)
137{
b62d91e5 138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
40ecc02e
DL
139 omap_ads7846_init(1, 57, 0, NULL);
140}
141
15c9887e
JMC
142static void __init omap3_igep0020_legacy_init(void)
143{
15c9887e 144}
79b39f79
TL
145
146static void __init omap3_evm_legacy_init(void)
147{
148 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
149}
150
151static void __init omap3_zoom_legacy_init(void)
152{
153 legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
154}
71900314
TL
155
156static void am35xx_enable_emac_int(void)
157{
158 u32 v;
159
160 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
161 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
162 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
163 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
164 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
165}
166
167static void am35xx_disable_emac_int(void)
168{
169 u32 v;
170
171 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
172 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
173 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
174 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */
175}
176
177static struct emac_platform_data am35xx_emac_pdata = {
178 .interrupt_enable = am35xx_enable_emac_int,
179 .interrupt_disable = am35xx_disable_emac_int,
180};
181
fb45105a 182static void __init am35xx_emac_reset(void)
71900314
TL
183{
184 u32 v;
185
186 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
187 v &= ~AM35XX_CPGMACSS_SW_RST;
188 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
189 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */
190}
deff82e6 191
fb45105a
DL
192static struct gpio cm_t3517_wlan_gpios[] __initdata = {
193 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
194 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
195};
196
197static void __init omap3_sbc_t3517_wifi_init(void)
198{
199 int err = gpio_request_array(cm_t3517_wlan_gpios,
200 ARRAY_SIZE(cm_t3517_wlan_gpios));
201 if (err) {
202 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
203 return;
204 }
205
206 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
207 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
208
209 msleep(100);
210 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
211}
212
213static void __init omap3_sbc_t3517_legacy_init(void)
214{
b62d91e5
DL
215 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
216 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
fb45105a
DL
217 am35xx_emac_reset();
218 hsmmc2_internal_input_clk();
219 omap3_sbc_t3517_wifi_init();
220 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
221 omap_ads7846_init(1, 57, 0, NULL);
222}
223
224static void __init am3517_evm_legacy_init(void)
225{
226 am35xx_emac_reset();
227}
f83ccb93 228
14c0a5b4
SR
229static struct platform_device omap3_rom_rng_device = {
230 .name = "omap3-rom-rng",
231 .id = -1,
232 .dev = {
233 .platform_data = rx51_secure_rng_call,
234 },
235};
236
deff82e6
SR
237static void __init nokia_n900_legacy_init(void)
238{
239 hsmmc2_internal_input_clk();
240
241 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
242 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
243 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
244 /* set IBE to 1 */
245 rx51_secure_update_aux_cr(BIT(6), 0);
246 } else {
247 pr_warning("RX-51: Not enabling ARM errata 430973 workaround\n");
248 pr_warning("Thumb binaries may crash randomly without this workaround\n");
249 }
14c0a5b4
SR
250
251 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
252 platform_device_register(&omap3_rom_rng_device);
253
deff82e6
SR
254 }
255}
faf4bd47
AK
256#endif /* CONFIG_ARCH_OMAP3 */
257
3e7a3185
TL
258#ifdef CONFIG_ARCH_OMAP4
259static void __init omap4_sdp_legacy_init(void)
260{
5f0a2c69
TL
261 legacy_init_wl12xx(WL12XX_REFCLOCK_26,
262 WL12XX_TCXOCLOCK_26, 53);
3e7a3185
TL
263}
264
265static void __init omap4_panda_legacy_init(void)
266{
5f0a2c69 267 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
3e7a3185 268}
95eb894e
JE
269
270static void __init var_som_om44_legacy_init(void)
271{
272 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 41);
273}
3e7a3185
TL
274#endif
275
67eb1e6e 276#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
910f1678
SA
277static struct iommu_platform_data omap4_iommu_pdata = {
278 .reset_name = "mmu_cache",
279 .assert_reset = omap_device_assert_hardreset,
280 .deassert_reset = omap_device_deassert_hardreset,
281};
3e7a3185
TL
282#endif
283
90f4f01b
IK
284#ifdef CONFIG_SOC_AM33XX
285static void __init am335x_evmsk_legacy_init(void)
286{
287 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
288}
289#endif
290
3e7a3185
TL
291#ifdef CONFIG_SOC_OMAP5
292static void __init omap5_uevm_legacy_init(void)
293{
3e7a3185
TL
294}
295#endif
296
30a69ef7
TL
297static struct pcs_pdata pcs_pdata;
298
299void omap_pcs_legacy_init(int irq, void (*rearm)(void))
300{
301 pcs_pdata.irq = irq;
302 pcs_pdata.rearm = rearm;
303}
304
dad12d11
TL
305/*
306 * GPIOs for TWL are initialized by the I2C bus and need custom
307 * handing until DSS has device tree bindings.
308 */
309void omap_auxdata_legacy_init(struct device *dev)
310{
311 if (dev->platform_data)
312 return;
313
314 if (strcmp("twl4030-gpio", dev_name(dev)))
315 return;
316
317 dev->platform_data = &twl_gpio_auxdata;
318}
319
036582f7
TL
320/*
321 * Few boards still need auxdata populated before we populate
322 * the dev entries in of_platform_populate().
323 */
324static struct pdata_init auxdata_quirks[] __initdata = {
fa590c92
TL
325#ifdef CONFIG_SOC_OMAP2420
326 { "nokia,n800", omap2420_n8x0_legacy_init, },
327 { "nokia,n810", omap2420_n8x0_legacy_init, },
328 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
0f0cfc69
TL
329#endif
330#ifdef CONFIG_ARCH_OMAP3
331 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
fa590c92 332#endif
036582f7
TL
333 { /* sentinel */ },
334};
335
8651bd8c 336struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
036582f7
TL
337#ifdef CONFIG_MACH_NOKIA_N8X0
338 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
339#endif
30a69ef7
TL
340#ifdef CONFIG_ARCH_OMAP3
341 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
4b416368 342 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
30a69ef7 343 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
910f1678
SA
344 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
345 &omap3_iommu_pdata),
71900314
TL
346 /* Only on am3517 */
347 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
348 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
349 &am35xx_emac_pdata),
30a69ef7
TL
350#endif
351#ifdef CONFIG_ARCH_OMAP4
352 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
353 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
67eb1e6e 354#endif
874fef7d
NM
355#ifdef CONFIG_SOC_OMAP5
356 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
357 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
358#endif
67eb1e6e 359#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
910f1678
SA
360 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
361 &omap4_iommu_pdata),
362 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
363 &omap4_iommu_pdata),
30a69ef7 364#endif
8651bd8c
TL
365 { /* sentinel */ },
366};
367
036582f7
TL
368/*
369 * Few boards still need to initialize some legacy devices with
370 * platform data until the drivers support device tree.
371 */
6a08e1e6 372static struct pdata_init pdata_quirks[] __initdata = {
faf4bd47 373#ifdef CONFIG_ARCH_OMAP3
fb45105a 374 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
40ecc02e 375 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
0f0cfc69 376 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
deff82e6 377 { "nokia,omap3-n900", nokia_n900_legacy_init, },
faf4bd47
AK
378 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
379 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
15c9887e 380 { "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
79b39f79
TL
381 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
382 { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
71900314 383 { "ti,am3517-evm", am3517_evm_legacy_init, },
faf4bd47 384#endif
3e7a3185
TL
385#ifdef CONFIG_ARCH_OMAP4
386 { "ti,omap4-sdp", omap4_sdp_legacy_init, },
387 { "ti,omap4-panda", omap4_panda_legacy_init, },
95eb894e
JE
388 { "variscite,var-dvk-om44", var_som_om44_legacy_init, },
389 { "variscite,var-stk-om44", var_som_om44_legacy_init, },
3e7a3185 390#endif
90f4f01b
IK
391#ifdef CONFIG_SOC_AM33XX
392 { "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
393#endif
3e7a3185
TL
394#ifdef CONFIG_SOC_OMAP5
395 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
396#endif
6a08e1e6
TL
397 { /* sentinel */ },
398};
399
036582f7 400static void pdata_quirks_check(struct pdata_init *quirks)
6a08e1e6 401{
6a08e1e6
TL
402 while (quirks->compatible) {
403 if (of_machine_is_compatible(quirks->compatible)) {
404 if (quirks->fn)
405 quirks->fn();
406 break;
407 }
408 quirks++;
409 }
410}
036582f7
TL
411
412void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table)
413{
414 omap_sdrc_init(NULL, NULL);
415 pdata_quirks_check(auxdata_quirks);
416 of_platform_populate(NULL, omap_dt_match_table,
417 omap_auxdata_lookup, NULL);
418 pdata_quirks_check(pdata_quirks);
419}
This page took 0.080819 seconds and 5 git commands to generate.