2 * linux/arch/arm/mach-pxa/tavorevb.c
4 * Support for the Marvell PXA930 Evaluation Board
6 * Copyright (C) 2007-2008 Marvell International Ltd.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * publishhed by the Free Software Foundation.
13 #include <linux/module.h>
14 #include <linux/kernel.h>
15 #include <linux/interrupt.h>
16 #include <linux/init.h>
17 #include <linux/platform_device.h>
18 #include <linux/clk.h>
19 #include <linux/gpio.h>
20 #include <linux/smc91x.h>
21 #include <linux/pwm_backlight.h>
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
26 #include <mach/pxa930.h>
27 #include <linux/platform_data/video-pxafb.h>
28 #include <linux/platform_data/keypad-pxa27x.h>
33 /* Tavor EVB MFP configurations */
34 static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = {
56 GPIO43_PWM3, /* primary backlight */
57 GPIO32_PWM0, /* secondary backlight */
79 #define TAVOREVB_ETH_PHYS (0x14000000)
81 static struct resource smc91x_resources[] = {
83 .start = (TAVOREVB_ETH_PHYS + 0x300),
84 .end = (TAVOREVB_ETH_PHYS + 0xfffff),
85 .flags = IORESOURCE_MEM,
88 .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
89 .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)),
90 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
94 static struct smc91x_platdata tavorevb_smc91x_info = {
95 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
98 static struct platform_device smc91x_device = {
101 .num_resources = ARRAY_SIZE(smc91x_resources),
102 .resource = smc91x_resources,
104 .platform_data = &tavorevb_smc91x_info,
108 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
109 static const unsigned int tavorevb_matrix_key_map[] = {
110 /* KEY(row, col, key_code) */
111 KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C),
112 KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G),
113 KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K),
114 KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O),
115 KEY(4, 5, KEY_R), KEY(4, 6, KEY_S),
116 KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W),
118 KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z),
120 KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3),
121 KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7),
122 KEY(1, 3, KEY_8), KEY(0, 2, KEY_9),
124 KEY(6, 6, KEY_SPACE),
125 KEY(0, 0, KEY_KPASTERISK), /* * */
126 KEY(0, 1, KEY_KPDOT), /* # */
131 KEY(4, 2, KEY_RIGHT),
134 KEY(6, 1, KEY_DELETE),
136 KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */
138 KEY(4, 4, KEY_ENTER), /* scroll push */
139 KEY(6, 2, KEY_ENTER), /* keypad action */
142 KEY(5, 3, KEY_RECORD),
143 KEY(5, 0, KEY_VOLUMEUP),
144 KEY(5, 1, KEY_VOLUMEDOWN),
146 KEY(3, 0, KEY_F22), /* soft1 */
147 KEY(3, 3, KEY_F23), /* soft2 */
150 static struct matrix_keymap_data tavorevb_matrix_keymap_data = {
151 .keymap = tavorevb_matrix_key_map,
152 .keymap_size = ARRAY_SIZE(tavorevb_matrix_key_map),
155 static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
156 .matrix_key_rows = 7,
157 .matrix_key_cols = 7,
158 .matrix_keymap_data = &tavorevb_matrix_keymap_data,
159 .debounce_interval = 30,
162 static void __init tavorevb_init_keypad(void)
164 pxa_set_keypad_info(&tavorevb_keypad_info);
167 static inline void tavorevb_init_keypad(void) {}
168 #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
170 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
171 static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
173 /* primary backlight */
175 .max_brightness = 100,
176 .dft_brightness = 100,
177 .pwm_period_ns = 100000,
180 /* secondary backlight */
182 .max_brightness = 100,
183 .dft_brightness = 100,
184 .pwm_period_ns = 100000,
188 static struct platform_device tavorevb_backlight_devices[] = {
190 .name = "pwm-backlight",
193 .platform_data = &tavorevb_backlight_data[0],
197 .name = "pwm-backlight",
200 .platform_data = &tavorevb_backlight_data[1],
205 static uint16_t panel_init[] = {
226 /* P-ON Init sequence */
227 SMART_CMD(0x00), /* OSC ON */
232 SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
236 SMART_CMD(0x02), /* LINE INV */
240 SMART_CMD(0x03), /* IF mode(1) */
241 SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
244 SMART_CMD(0x00), /* RAM Write Mode */
249 /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */
251 SMART_DAT(0x40), /* 16/18/19 BPP */
254 SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
258 SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
262 SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
266 SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
270 SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
274 SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
278 SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
319 /* DISP RAM setting: 240*320 */
320 SMART_CMD(0x04), /* HADDR, START 0 */
323 SMART_DAT(0x00), /* x1,3 */
324 SMART_CMD(0x04), /* HADDR, END 4 */
327 SMART_DAT(0xEF), /* x2, 7 */
328 SMART_CMD(0x04), /* VADDR, START 8 */
330 SMART_DAT(0x00), /* y1, 10 */
331 SMART_DAT(0x00), /* y1, 11 */
332 SMART_CMD(0x04), /* VADDR, END 12 */
334 SMART_DAT(0x01), /* y2, 14 */
335 SMART_DAT(0x3F), /* y2, 15 */
336 SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
339 SMART_DAT(0x00), /* x1, 19 */
340 SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
342 SMART_DAT(0x00), /* y1, 22 */
343 SMART_DAT(0x00), /* y1, 23 */
346 static uint16_t panel_on[] = {
382 static uint16_t panel_off[] = {
413 static uint16_t update_framedata[] = {
418 /* write frame data */
419 SMART_CMD_WRITE_FRAME,
422 static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
424 struct fb_info *info = container_of(var, struct fb_info, var);
427 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
428 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
430 pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
433 if (pxafb_smart_flush(info))
434 pr_err("%s: timed out\n", __func__);
437 static void ltm020d550_update(struct fb_info *info)
439 pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
440 pxafb_smart_flush(info);
443 static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
448 .a0csrd_set_hld = 30,
449 .a0cswr_set_hld = 30,
450 .wr_pulse_width = 30,
451 .rd_pulse_width = 170,
455 /* L_LCLK_A0 and L_LCLK_RD active low */
456 .sync = FB_SYNC_HOR_HIGH_ACT |
457 FB_SYNC_VERT_HIGH_ACT,
461 static struct pxafb_mach_info tavorevb_lcd_info = {
462 .modes = toshiba_ltm020d550_modes,
464 .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
465 .pxafb_lcd_power = ltm020d550_lcd_power,
466 .smart_update = ltm020d550_update,
469 static void __init tavorevb_init_lcd(void)
471 platform_device_register(&tavorevb_backlight_devices[0]);
472 platform_device_register(&tavorevb_backlight_devices[1]);
473 pxa_set_fb_info(NULL, &tavorevb_lcd_info);
476 static inline void tavorevb_init_lcd(void) {}
477 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
479 static void __init tavorevb_init(void)
481 /* initialize MFP configurations */
482 pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
484 pxa_set_ffuart_info(NULL);
485 pxa_set_btuart_info(NULL);
486 pxa_set_stuart_info(NULL);
488 platform_device_register(&smc91x_device);
491 tavorevb_init_keypad();
494 MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
495 /* Maintainer: Eric Miao <eric.miao@marvell.com> */
496 .atag_offset = 0x100,
497 .map_io = pxa3xx_map_io,
498 .nr_irqs = PXA_NR_IRQS,
499 .init_irq = pxa3xx_init_irq,
500 .handle_irq = pxa3xx_handle_irq,
501 .init_time = pxa_timer_init,
502 .init_machine = tavorevb_init,
503 .restart = pxa_restart,