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9b93e244 KM |
1 | /* |
2 | * KZM-A9-GT board support | |
3 | * | |
4 | * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
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 as published by | |
8 | * the Free Software Foundation; version 2 of the License. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
26786111 KM |
19 | |
20 | #include <linux/delay.h> | |
9b93e244 | 21 | #include <linux/gpio.h> |
1e354641 | 22 | #include <linux/gpio_keys.h> |
9b93e244 KM |
23 | #include <linux/io.h> |
24 | #include <linux/irq.h> | |
407c0526 | 25 | #include <linux/i2c.h> |
1e354641 KM |
26 | #include <linux/i2c/pcf857x.h> |
27 | #include <linux/input.h> | |
cc2512bc KM |
28 | #include <linux/mmc/host.h> |
29 | #include <linux/mmc/sh_mmcif.h> | |
7775a933 KM |
30 | #include <linux/mmc/sh_mobile_sdhi.h> |
31 | #include <linux/mfd/tmio.h> | |
9b93e244 | 32 | #include <linux/platform_device.h> |
c15c4257 | 33 | #include <linux/smsc911x.h> |
dd818180 | 34 | #include <linux/usb/r8a66597.h> |
26786111 | 35 | #include <linux/videodev2.h> |
c15c4257 | 36 | #include <mach/irqs.h> |
9b93e244 KM |
37 | #include <mach/sh73a0.h> |
38 | #include <mach/common.h> | |
39 | #include <asm/hardware/cache-l2x0.h> | |
40 | #include <asm/hardware/gic.h> | |
41 | #include <asm/mach-types.h> | |
42 | #include <asm/mach/arch.h> | |
26786111 | 43 | #include <video/sh_mobile_lcdc.h> |
9b93e244 | 44 | |
1e354641 KM |
45 | /* |
46 | * external GPIO | |
47 | */ | |
48 | #define GPIO_PCF8575_BASE (GPIO_NR) | |
49 | #define GPIO_PCF8575_PORT10 (GPIO_NR + 8) | |
50 | #define GPIO_PCF8575_PORT11 (GPIO_NR + 9) | |
51 | #define GPIO_PCF8575_PORT12 (GPIO_NR + 10) | |
52 | #define GPIO_PCF8575_PORT13 (GPIO_NR + 11) | |
53 | #define GPIO_PCF8575_PORT14 (GPIO_NR + 12) | |
54 | #define GPIO_PCF8575_PORT15 (GPIO_NR + 13) | |
55 | #define GPIO_PCF8575_PORT16 (GPIO_NR + 14) | |
56 | ||
c15c4257 KM |
57 | /* SMSC 9221 */ |
58 | static struct resource smsc9221_resources[] = { | |
59 | [0] = { | |
60 | .start = 0x10000000, /* CS4 */ | |
61 | .end = 0x100000ff, | |
62 | .flags = IORESOURCE_MEM, | |
63 | }, | |
64 | [1] = { | |
65 | .start = intcs_evt2irq(0x260), /* IRQ3 */ | |
66 | .flags = IORESOURCE_IRQ, | |
67 | }, | |
68 | }; | |
69 | ||
70 | static struct smsc911x_platform_config smsc9221_platdata = { | |
71 | .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, | |
72 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
73 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
74 | .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, | |
75 | }; | |
76 | ||
77 | static struct platform_device smsc_device = { | |
78 | .name = "smsc911x", | |
79 | .dev = { | |
80 | .platform_data = &smsc9221_platdata, | |
81 | }, | |
82 | .resource = smsc9221_resources, | |
83 | .num_resources = ARRAY_SIZE(smsc9221_resources), | |
84 | }; | |
85 | ||
dd818180 KM |
86 | /* USB external chip */ |
87 | static struct r8a66597_platdata usb_host_data = { | |
88 | .on_chip = 0, | |
89 | .xtal = R8A66597_PLATDATA_XTAL_48MHZ, | |
90 | }; | |
91 | ||
92 | static struct resource usb_resources[] = { | |
93 | [0] = { | |
94 | .start = 0x10010000, | |
95 | .end = 0x1001ffff - 1, | |
96 | .flags = IORESOURCE_MEM, | |
97 | }, | |
98 | [1] = { | |
99 | .start = intcs_evt2irq(0x220), /* IRQ1 */ | |
100 | .flags = IORESOURCE_IRQ, | |
101 | }, | |
102 | }; | |
103 | ||
104 | static struct platform_device usb_host_device = { | |
105 | .name = "r8a66597_hcd", | |
106 | .dev = { | |
107 | .platform_data = &usb_host_data, | |
108 | .dma_mask = NULL, | |
109 | .coherent_dma_mask = 0xffffffff, | |
110 | }, | |
111 | .num_resources = ARRAY_SIZE(usb_resources), | |
112 | .resource = usb_resources, | |
113 | }; | |
114 | ||
26786111 KM |
115 | /* LCDC */ |
116 | static struct fb_videomode kzm_lcdc_mode = { | |
117 | .name = "WVGA Panel", | |
118 | .xres = 800, | |
119 | .yres = 480, | |
120 | .left_margin = 220, | |
121 | .right_margin = 110, | |
122 | .hsync_len = 70, | |
123 | .upper_margin = 20, | |
124 | .lower_margin = 5, | |
125 | .vsync_len = 5, | |
126 | .sync = 0, | |
127 | }; | |
128 | ||
129 | static struct sh_mobile_lcdc_info lcdc_info = { | |
130 | .clock_source = LCDC_CLK_BUS, | |
131 | .ch[0] = { | |
132 | .chan = LCDC_CHAN_MAINLCD, | |
133 | .fourcc = V4L2_PIX_FMT_RGB565, | |
134 | .interface_type = RGB24, | |
135 | .lcd_modes = &kzm_lcdc_mode, | |
136 | .num_modes = 1, | |
137 | .clock_divider = 5, | |
138 | .flags = 0, | |
139 | .panel_cfg = { | |
140 | .width = 152, | |
141 | .height = 91, | |
142 | }, | |
143 | } | |
144 | }; | |
145 | ||
146 | static struct resource lcdc_resources[] = { | |
147 | [0] = { | |
148 | .name = "LCDC", | |
149 | .start = 0xfe940000, | |
150 | .end = 0xfe943fff, | |
151 | .flags = IORESOURCE_MEM, | |
152 | }, | |
153 | [1] = { | |
154 | .start = intcs_evt2irq(0x580), | |
155 | .flags = IORESOURCE_IRQ, | |
156 | }, | |
157 | }; | |
158 | ||
159 | static struct platform_device lcdc_device = { | |
160 | .name = "sh_mobile_lcdc_fb", | |
161 | .num_resources = ARRAY_SIZE(lcdc_resources), | |
162 | .resource = lcdc_resources, | |
163 | .dev = { | |
164 | .platform_data = &lcdc_info, | |
165 | .coherent_dma_mask = ~0, | |
166 | }, | |
167 | }; | |
168 | ||
cc2512bc KM |
169 | /* MMCIF */ |
170 | static struct resource sh_mmcif_resources[] = { | |
171 | [0] = { | |
172 | .name = "MMCIF", | |
173 | .start = 0xe6bd0000, | |
174 | .end = 0xe6bd00ff, | |
175 | .flags = IORESOURCE_MEM, | |
176 | }, | |
177 | [1] = { | |
178 | .start = gic_spi(141), | |
179 | .flags = IORESOURCE_IRQ, | |
180 | }, | |
181 | [2] = { | |
182 | .start = gic_spi(140), | |
183 | .flags = IORESOURCE_IRQ, | |
184 | }, | |
185 | }; | |
186 | ||
187 | static struct sh_mmcif_plat_data sh_mmcif_platdata = { | |
188 | .ocr = MMC_VDD_165_195, | |
189 | .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, | |
190 | }; | |
191 | ||
192 | static struct platform_device mmc_device = { | |
193 | .name = "sh_mmcif", | |
194 | .dev = { | |
195 | .dma_mask = NULL, | |
196 | .coherent_dma_mask = 0xffffffff, | |
197 | .platform_data = &sh_mmcif_platdata, | |
198 | }, | |
199 | .num_resources = ARRAY_SIZE(sh_mmcif_resources), | |
200 | .resource = sh_mmcif_resources, | |
201 | }; | |
202 | ||
7775a933 KM |
203 | /* SDHI */ |
204 | static struct sh_mobile_sdhi_info sdhi0_info = { | |
205 | .tmio_flags = TMIO_MMC_HAS_IDLE_WAIT, | |
206 | .tmio_caps = MMC_CAP_SD_HIGHSPEED, | |
207 | .tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, | |
208 | }; | |
209 | ||
210 | static struct resource sdhi0_resources[] = { | |
211 | [0] = { | |
212 | .name = "SDHI0", | |
213 | .start = 0xee100000, | |
214 | .end = 0xee1000ff, | |
215 | .flags = IORESOURCE_MEM, | |
216 | }, | |
217 | [1] = { | |
218 | .name = SH_MOBILE_SDHI_IRQ_CARD_DETECT, | |
219 | .start = gic_spi(83), | |
220 | .flags = IORESOURCE_IRQ, | |
221 | }, | |
222 | [2] = { | |
223 | .name = SH_MOBILE_SDHI_IRQ_SDCARD, | |
224 | .start = gic_spi(84), | |
225 | .flags = IORESOURCE_IRQ, | |
226 | }, | |
227 | [3] = { | |
228 | .name = SH_MOBILE_SDHI_IRQ_SDIO, | |
229 | .start = gic_spi(85), | |
230 | .flags = IORESOURCE_IRQ, | |
231 | }, | |
232 | }; | |
233 | ||
234 | static struct platform_device sdhi0_device = { | |
235 | .name = "sh_mobile_sdhi", | |
236 | .num_resources = ARRAY_SIZE(sdhi0_resources), | |
237 | .resource = sdhi0_resources, | |
238 | .dev = { | |
239 | .platform_data = &sdhi0_info, | |
240 | }, | |
241 | }; | |
242 | ||
1e354641 KM |
243 | /* KEY */ |
244 | #define GPIO_KEY(c, g, d) { .code = c, .gpio = g, .desc = d, .active_low = 1 } | |
245 | ||
246 | static struct gpio_keys_button gpio_buttons[] = { | |
247 | GPIO_KEY(KEY_BACK, GPIO_PCF8575_PORT10, "SW3"), | |
248 | GPIO_KEY(KEY_RIGHT, GPIO_PCF8575_PORT11, "SW2-R"), | |
249 | GPIO_KEY(KEY_LEFT, GPIO_PCF8575_PORT12, "SW2-L"), | |
250 | GPIO_KEY(KEY_ENTER, GPIO_PCF8575_PORT13, "SW2-P"), | |
251 | GPIO_KEY(KEY_UP, GPIO_PCF8575_PORT14, "SW2-U"), | |
252 | GPIO_KEY(KEY_DOWN, GPIO_PCF8575_PORT15, "SW2-D"), | |
253 | GPIO_KEY(KEY_HOME, GPIO_PCF8575_PORT16, "SW1"), | |
254 | }; | |
255 | ||
256 | static struct gpio_keys_platform_data gpio_key_info = { | |
257 | .buttons = gpio_buttons, | |
258 | .nbuttons = ARRAY_SIZE(gpio_buttons), | |
259 | .poll_interval = 250, /* poling at this point */ | |
260 | }; | |
261 | ||
262 | static struct platform_device gpio_keys_device = { | |
263 | /* gpio-pcf857x.c driver doesn't support gpio_to_irq() */ | |
264 | .name = "gpio-keys-polled", | |
265 | .dev = { | |
266 | .platform_data = &gpio_key_info, | |
267 | }, | |
268 | }; | |
269 | ||
7775a933 | 270 | /* I2C */ |
1e354641 KM |
271 | static struct pcf857x_platform_data pcf8575_pdata = { |
272 | .gpio_base = GPIO_PCF8575_BASE, | |
273 | }; | |
274 | ||
407c0526 KM |
275 | static struct i2c_board_info i2c1_devices[] = { |
276 | { | |
277 | I2C_BOARD_INFO("st1232-ts", 0x55), | |
278 | .irq = intcs_evt2irq(0x300), /* IRQ8 */ | |
279 | }, | |
280 | }; | |
281 | ||
1e354641 KM |
282 | static struct i2c_board_info i2c3_devices[] = { |
283 | { | |
284 | I2C_BOARD_INFO("pcf8575", 0x20), | |
285 | .platform_data = &pcf8575_pdata, | |
286 | }, | |
287 | }; | |
288 | ||
9b93e244 | 289 | static struct platform_device *kzm_devices[] __initdata = { |
c15c4257 | 290 | &smsc_device, |
dd818180 | 291 | &usb_host_device, |
26786111 | 292 | &lcdc_device, |
cc2512bc | 293 | &mmc_device, |
7775a933 | 294 | &sdhi0_device, |
1e354641 | 295 | &gpio_keys_device, |
9b93e244 KM |
296 | }; |
297 | ||
26786111 KM |
298 | /* |
299 | * FIXME | |
300 | * | |
301 | * This is quick hack for enabling LCDC backlight | |
302 | */ | |
303 | static int __init as3711_enable_lcdc_backlight(void) | |
304 | { | |
305 | struct i2c_adapter *a = i2c_get_adapter(0); | |
306 | struct i2c_msg msg; | |
307 | int i, ret; | |
308 | __u8 magic[] = { | |
309 | 0x40, 0x2a, | |
310 | 0x43, 0x3c, | |
311 | 0x44, 0x3c, | |
312 | 0x45, 0x3c, | |
313 | 0x54, 0x03, | |
314 | 0x51, 0x00, | |
315 | 0x51, 0x01, | |
316 | 0xff, 0x00, /* wait */ | |
317 | 0x43, 0xf0, | |
318 | 0x44, 0xf0, | |
319 | 0x45, 0xf0, | |
320 | }; | |
321 | ||
322 | if (!machine_is_kzm9g()) | |
323 | return 0; | |
324 | ||
325 | if (!a) | |
326 | return 0; | |
327 | ||
328 | msg.addr = 0x40; | |
329 | msg.len = 2; | |
330 | msg.flags = 0; | |
331 | ||
332 | for (i = 0; i < ARRAY_SIZE(magic); i += 2) { | |
333 | msg.buf = magic + i; | |
334 | ||
335 | if (0xff == msg.buf[0]) { | |
336 | udelay(500); | |
337 | continue; | |
338 | } | |
339 | ||
340 | ret = i2c_transfer(a, &msg, 1); | |
341 | if (ret < 0) { | |
342 | pr_err("i2c transfer fail\n"); | |
343 | break; | |
344 | } | |
345 | } | |
346 | ||
347 | return 0; | |
348 | } | |
349 | device_initcall(as3711_enable_lcdc_backlight); | |
350 | ||
9b93e244 KM |
351 | static void __init kzm_init(void) |
352 | { | |
353 | sh73a0_pinmux_init(); | |
354 | ||
355 | /* enable SCIFA4 */ | |
356 | gpio_request(GPIO_FN_SCIFA4_TXD, NULL); | |
357 | gpio_request(GPIO_FN_SCIFA4_RXD, NULL); | |
358 | gpio_request(GPIO_FN_SCIFA4_RTS_, NULL); | |
359 | gpio_request(GPIO_FN_SCIFA4_CTS_, NULL); | |
360 | ||
c15c4257 KM |
361 | /* CS4 for SMSC/USB */ |
362 | gpio_request(GPIO_FN_CS4_, NULL); /* CS4 */ | |
363 | ||
364 | /* SMSC */ | |
365 | gpio_request(GPIO_PORT224, NULL); /* IRQ3 */ | |
366 | gpio_direction_input(GPIO_PORT224); | |
367 | ||
26786111 KM |
368 | /* LCDC */ |
369 | gpio_request(GPIO_FN_LCDD23, NULL); | |
370 | gpio_request(GPIO_FN_LCDD22, NULL); | |
371 | gpio_request(GPIO_FN_LCDD21, NULL); | |
372 | gpio_request(GPIO_FN_LCDD20, NULL); | |
373 | gpio_request(GPIO_FN_LCDD19, NULL); | |
374 | gpio_request(GPIO_FN_LCDD18, NULL); | |
375 | gpio_request(GPIO_FN_LCDD17, NULL); | |
376 | gpio_request(GPIO_FN_LCDD16, NULL); | |
377 | gpio_request(GPIO_FN_LCDD15, NULL); | |
378 | gpio_request(GPIO_FN_LCDD14, NULL); | |
379 | gpio_request(GPIO_FN_LCDD13, NULL); | |
380 | gpio_request(GPIO_FN_LCDD12, NULL); | |
381 | gpio_request(GPIO_FN_LCDD11, NULL); | |
382 | gpio_request(GPIO_FN_LCDD10, NULL); | |
383 | gpio_request(GPIO_FN_LCDD9, NULL); | |
384 | gpio_request(GPIO_FN_LCDD8, NULL); | |
385 | gpio_request(GPIO_FN_LCDD7, NULL); | |
386 | gpio_request(GPIO_FN_LCDD6, NULL); | |
387 | gpio_request(GPIO_FN_LCDD5, NULL); | |
388 | gpio_request(GPIO_FN_LCDD4, NULL); | |
389 | gpio_request(GPIO_FN_LCDD3, NULL); | |
390 | gpio_request(GPIO_FN_LCDD2, NULL); | |
391 | gpio_request(GPIO_FN_LCDD1, NULL); | |
392 | gpio_request(GPIO_FN_LCDD0, NULL); | |
393 | gpio_request(GPIO_FN_LCDDISP, NULL); | |
394 | gpio_request(GPIO_FN_LCDDCK, NULL); | |
395 | ||
601df616 KM |
396 | gpio_request(GPIO_PORT222, NULL); /* LCDCDON */ |
397 | gpio_request(GPIO_PORT226, NULL); /* SC */ | |
26786111 | 398 | gpio_direction_output(GPIO_PORT222, 1); |
601df616 | 399 | gpio_direction_output(GPIO_PORT226, 1); |
26786111 | 400 | |
407c0526 KM |
401 | /* Touchscreen */ |
402 | gpio_request(GPIO_PORT223, NULL); /* IRQ8 */ | |
403 | gpio_direction_input(GPIO_PORT223); | |
404 | ||
cc2512bc KM |
405 | /* enable MMCIF */ |
406 | gpio_request(GPIO_FN_MMCCLK0, NULL); | |
407 | gpio_request(GPIO_FN_MMCCMD0_PU, NULL); | |
408 | gpio_request(GPIO_FN_MMCD0_0_PU, NULL); | |
409 | gpio_request(GPIO_FN_MMCD0_1_PU, NULL); | |
410 | gpio_request(GPIO_FN_MMCD0_2_PU, NULL); | |
411 | gpio_request(GPIO_FN_MMCD0_3_PU, NULL); | |
412 | gpio_request(GPIO_FN_MMCD0_4_PU, NULL); | |
413 | gpio_request(GPIO_FN_MMCD0_5_PU, NULL); | |
414 | gpio_request(GPIO_FN_MMCD0_6_PU, NULL); | |
415 | gpio_request(GPIO_FN_MMCD0_7_PU, NULL); | |
416 | ||
7775a933 KM |
417 | /* enable SD */ |
418 | gpio_request(GPIO_FN_SDHIWP0, NULL); | |
419 | gpio_request(GPIO_FN_SDHICD0, NULL); | |
420 | gpio_request(GPIO_FN_SDHICMD0, NULL); | |
421 | gpio_request(GPIO_FN_SDHICLK0, NULL); | |
422 | gpio_request(GPIO_FN_SDHID0_3, NULL); | |
423 | gpio_request(GPIO_FN_SDHID0_2, NULL); | |
424 | gpio_request(GPIO_FN_SDHID0_1, NULL); | |
425 | gpio_request(GPIO_FN_SDHID0_0, NULL); | |
426 | gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL); | |
427 | gpio_request(GPIO_PORT15, NULL); | |
428 | gpio_direction_output(GPIO_PORT15, 1); /* power */ | |
429 | ||
1e354641 KM |
430 | /* I2C 3 */ |
431 | gpio_request(GPIO_FN_PORT27_I2C_SCL3, NULL); | |
432 | gpio_request(GPIO_FN_PORT28_I2C_SDA3, NULL); | |
433 | ||
9b93e244 KM |
434 | #ifdef CONFIG_CACHE_L2X0 |
435 | /* Early BRESP enable, Shared attribute override enable, 64K*8way */ | |
436 | l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); | |
437 | #endif | |
438 | ||
407c0526 | 439 | i2c_register_board_info(1, i2c1_devices, ARRAY_SIZE(i2c1_devices)); |
1e354641 | 440 | i2c_register_board_info(3, i2c3_devices, ARRAY_SIZE(i2c3_devices)); |
407c0526 | 441 | |
9b93e244 KM |
442 | sh73a0_add_standard_devices(); |
443 | platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices)); | |
444 | } | |
445 | ||
7296d932 MD |
446 | static const char *kzm9g_boards_compat_dt[] __initdata = { |
447 | "renesas,kzm9g", | |
448 | NULL, | |
449 | }; | |
450 | ||
451 | DT_MACHINE_START(KZM9G_DT, "kzm9g") | |
9b93e244 KM |
452 | .map_io = sh73a0_map_io, |
453 | .init_early = sh73a0_add_early_devices, | |
454 | .nr_irqs = NR_IRQS_LEGACY, | |
455 | .init_irq = sh73a0_init_irq, | |
456 | .handle_irq = gic_handle_irq, | |
457 | .init_machine = kzm_init, | |
14dd52f4 | 458 | .init_late = shmobile_init_late, |
9b93e244 | 459 | .timer = &shmobile_timer, |
7296d932 | 460 | .dt_compat = kzm9g_boards_compat_dt, |
9b93e244 | 461 | MACHINE_END |