2 * linux/arch/arm/plat-omap/devices.c
4 * Common platform device setup/initialization for OMAP1 and OMAP2
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
12 #include <linux/module.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
17 #include <linux/i2c/menelaus.h>
19 #include <mach/hardware.h>
20 #include <asm/mach-types.h>
21 #include <asm/mach/map.h>
24 #include <mach/board.h>
27 #include <mach/gpio.h>
28 #include <mach/dsp_common.h>
29 #include <mach/mcbsp.h>
31 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
33 static struct dsp_platform_data dsp_pdata = {
34 .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
37 static struct resource omap_dsp_resources[] = {
41 .flags = IORESOURCE_IRQ,
45 static struct platform_device omap_dsp_device = {
48 .num_resources = ARRAY_SIZE(omap_dsp_resources),
49 .resource = omap_dsp_resources,
51 .platform_data = &dsp_pdata,
55 static inline void omap_init_dsp(void)
60 if (cpu_is_omap15xx())
61 irq = INT_1510_DSP_MMU;
62 else if (cpu_is_omap16xx())
63 irq = INT_1610_DSP_MMU;
64 else if (cpu_is_omap24xx())
65 irq = INT_24XX_DSP_MMU;
67 res = platform_get_resource_byname(&omap_dsp_device,
68 IORESOURCE_IRQ, "dsp_mmu");
71 platform_device_register(&omap_dsp_device);
74 int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
76 static DEFINE_MUTEX(dsp_pdata_lock);
78 spin_lock_init(&kdev->lock);
80 mutex_lock(&dsp_pdata_lock);
81 list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
82 mutex_unlock(&dsp_pdata_lock);
86 EXPORT_SYMBOL(dsp_kfunc_device_register);
89 static inline void omap_init_dsp(void) { }
90 #endif /* CONFIG_OMAP_DSP */
92 /*-------------------------------------------------------------------------*/
93 #if defined(CONFIG_KEYBOARD_OMAP) || defined(CONFIG_KEYBOARD_OMAP_MODULE)
95 static void omap_init_kp(void)
97 /* REVISIT: 2430 keypad is on TWL4030 */
98 if (cpu_is_omap2430() || cpu_is_omap34xx())
101 if (machine_is_omap_h2() || machine_is_omap_h3()) {
102 omap_cfg_reg(F18_1610_KBC0);
103 omap_cfg_reg(D20_1610_KBC1);
104 omap_cfg_reg(D19_1610_KBC2);
105 omap_cfg_reg(E18_1610_KBC3);
106 omap_cfg_reg(C21_1610_KBC4);
108 omap_cfg_reg(G18_1610_KBR0);
109 omap_cfg_reg(F19_1610_KBR1);
110 omap_cfg_reg(H14_1610_KBR2);
111 omap_cfg_reg(E20_1610_KBR3);
112 omap_cfg_reg(E19_1610_KBR4);
113 omap_cfg_reg(N19_1610_KBR5);
114 } else if (machine_is_omap_perseus2() || machine_is_omap_fsample()) {
115 omap_cfg_reg(E2_730_KBR0);
116 omap_cfg_reg(J7_730_KBR1);
117 omap_cfg_reg(E1_730_KBR2);
118 omap_cfg_reg(F3_730_KBR3);
119 omap_cfg_reg(D2_730_KBR4);
121 omap_cfg_reg(C2_730_KBC0);
122 omap_cfg_reg(D3_730_KBC1);
123 omap_cfg_reg(E4_730_KBC2);
124 omap_cfg_reg(F4_730_KBC3);
125 omap_cfg_reg(E3_730_KBC4);
126 } else if (machine_is_omap_h4()) {
127 omap_cfg_reg(T19_24XX_KBR0);
128 omap_cfg_reg(R19_24XX_KBR1);
129 omap_cfg_reg(V18_24XX_KBR2);
130 omap_cfg_reg(M21_24XX_KBR3);
131 omap_cfg_reg(E5__24XX_KBR4);
132 if (omap_has_menelaus()) {
133 omap_cfg_reg(B3__24XX_KBR5);
134 omap_cfg_reg(AA4_24XX_KBC2);
135 omap_cfg_reg(B13_24XX_KBC6);
137 omap_cfg_reg(M18_24XX_KBR5);
138 omap_cfg_reg(H19_24XX_KBC2);
139 omap_cfg_reg(N19_24XX_KBC6);
141 omap_cfg_reg(R20_24XX_KBC0);
142 omap_cfg_reg(M14_24XX_KBC1);
143 omap_cfg_reg(V17_24XX_KBC3);
144 omap_cfg_reg(P21_24XX_KBC4);
145 omap_cfg_reg(L14_24XX_KBC5);
149 static inline void omap_init_kp(void) {}
152 /*-------------------------------------------------------------------------*/
153 #if defined(CONFIG_OMAP_MCBSP) || defined(CONFIG_OMAP_MCBSP_MODULE)
155 static struct platform_device **omap_mcbsp_devices;
157 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
162 omap_mcbsp_devices = kzalloc(size * sizeof(struct platform_device *),
164 if (!omap_mcbsp_devices) {
165 printk(KERN_ERR "Could not register McBSP devices\n");
169 for (i = 0; i < size; i++) {
170 struct platform_device *new_mcbsp;
173 new_mcbsp = platform_device_alloc("omap-mcbsp", i + 1);
176 new_mcbsp->dev.platform_data = &config[i];
177 ret = platform_device_add(new_mcbsp);
179 platform_device_put(new_mcbsp);
182 omap_mcbsp_devices[i] = new_mcbsp;
187 void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
192 /*-------------------------------------------------------------------------*/
194 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
195 defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
198 * Register MMC devices. Called from mach-omap1 and mach-omap2 device init.
200 void omap_init_mmc(struct omap_mmc_platform_data *info,
201 struct platform_device *pdev1, struct platform_device *pdev2)
206 if (info->slots[0].enabled && pdev1)
207 (void) platform_device_register(pdev1);
209 if (info->slots[1].enabled && pdev2)
210 (void) platform_device_register(pdev2);
215 /*-------------------------------------------------------------------------*/
217 /* Numbering for the SPI-capable controllers when used for SPI:
224 #if defined(CONFIG_SPI_OMAP_UWIRE) || defined(CONFIG_SPI_OMAP_UWIRE_MODULE)
226 #define OMAP_UWIRE_BASE 0xfffb3000
228 static struct resource uwire_resources[] = {
230 .start = OMAP_UWIRE_BASE,
231 .end = OMAP_UWIRE_BASE + 0x20,
232 .flags = IORESOURCE_MEM,
236 static struct platform_device omap_uwire_device = {
237 .name = "omap_uwire",
239 .num_resources = ARRAY_SIZE(uwire_resources),
240 .resource = uwire_resources,
243 static void omap_init_uwire(void)
245 /* FIXME define and use a boot tag; not all boards will be hooking
246 * up devices to the microwire controller, and multi-board configs
247 * mean that CONFIG_SPI_OMAP_UWIRE may be configured anyway...
250 /* board-specific code must configure chipselects (only a few
251 * are normally used) and SCLK/SDI/SDO (each has two choices).
253 (void) platform_device_register(&omap_uwire_device);
256 static inline void omap_init_uwire(void) {}
259 /*-------------------------------------------------------------------------*/
261 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
263 static struct resource wdt_resources[] = {
265 .flags = IORESOURCE_MEM,
269 static struct platform_device omap_wdt_device = {
272 .num_resources = ARRAY_SIZE(wdt_resources),
273 .resource = wdt_resources,
276 static void omap_init_wdt(void)
278 if (cpu_is_omap16xx())
279 wdt_resources[0].start = 0xfffeb000;
280 else if (cpu_is_omap2420())
281 wdt_resources[0].start = 0x48022000; /* WDT2 */
282 else if (cpu_is_omap2430())
283 wdt_resources[0].start = 0x49016000; /* WDT2 */
284 else if (cpu_is_omap343x())
285 wdt_resources[0].start = 0x48314000; /* WDT2 */
289 wdt_resources[0].end = wdt_resources[0].start + 0x4f;
291 (void) platform_device_register(&omap_wdt_device);
294 static inline void omap_init_wdt(void) {}
297 /*-------------------------------------------------------------------------*/
299 #if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
301 #ifdef CONFIG_ARCH_OMAP24XX
302 #define OMAP_RNG_BASE 0x480A0000
304 #define OMAP_RNG_BASE 0xfffe5000
307 static struct resource rng_resources[] = {
309 .start = OMAP_RNG_BASE,
310 .end = OMAP_RNG_BASE + 0x4f,
311 .flags = IORESOURCE_MEM,
315 static struct platform_device omap_rng_device = {
318 .num_resources = ARRAY_SIZE(rng_resources),
319 .resource = rng_resources,
322 static void omap_init_rng(void)
324 (void) platform_device_register(&omap_rng_device);
327 static inline void omap_init_rng(void) {}
331 * This gets called after board-specific INIT_MACHINE, and initializes most
332 * on-chip peripherals accessible on this board (except for few like USB):
334 * (a) Does any "standard config" pin muxing needed. Board-specific
335 * code will have muxed GPIO pins and done "nonstandard" setup;
336 * that code could live in the boot loader.
337 * (b) Populating board-specific platform_data with the data drivers
338 * rely on to handle wiring variations.
339 * (c) Creating platform devices as meaningful on this board and
340 * with this kernel configuration.
342 * Claiming GPIOs, and setting their direction and initial values, is the
343 * responsibility of the device drivers. So is responding to probe().
345 * Board-specific knowlege like creating devices or pin setup is to be
346 * kept out of drivers as much as possible. In particular, pin setup
347 * may be handled by the boot loader, and drivers should expect it will
348 * normally have been done by the time they're probed.
350 static int __init omap_init_devices(void)
352 /* please keep these calls, and their implementations above,
353 * in alphabetical order so they're easier to sort through.
362 arch_initcall(omap_init_devices);