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 <mach/pxafb.h>
28 #include <plat/pxa27x_keypad.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
= gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47
)),
89 .end
= 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 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 pxa27x_keypad_platform_data tavorevb_keypad_info
= {
151 .matrix_key_rows
= 7,
152 .matrix_key_cols
= 7,
153 .matrix_key_map
= tavorevb_matrix_key_map
,
154 .matrix_key_map_size
= ARRAY_SIZE(tavorevb_matrix_key_map
),
155 .debounce_interval
= 30,
158 static void __init
tavorevb_init_keypad(void)
160 pxa_set_keypad_info(&tavorevb_keypad_info
);
163 static inline void tavorevb_init_keypad(void) {}
164 #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
166 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
167 static struct platform_pwm_backlight_data tavorevb_backlight_data
[] = {
169 /* primary backlight */
171 .max_brightness
= 100,
172 .dft_brightness
= 100,
173 .pwm_period_ns
= 100000,
176 /* secondary backlight */
178 .max_brightness
= 100,
179 .dft_brightness
= 100,
180 .pwm_period_ns
= 100000,
184 static struct platform_device tavorevb_backlight_devices
[] = {
186 .name
= "pwm-backlight",
189 .platform_data
= &tavorevb_backlight_data
[0],
193 .name
= "pwm-backlight",
196 .platform_data
= &tavorevb_backlight_data
[1],
201 static uint16_t panel_init
[] = {
222 /* P-ON Init sequence */
223 SMART_CMD(0x00), /* OSC ON */
228 SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
232 SMART_CMD(0x02), /* LINE INV */
236 SMART_CMD(0x03), /* IF mode(1) */
237 SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
240 SMART_CMD(0x00), /* RAM Write Mode */
245 /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */
247 SMART_DAT(0x40), /* 16/18/19 BPP */
250 SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
254 SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
258 SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
262 SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
266 SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
270 SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
274 SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
315 /* DISP RAM setting: 240*320 */
316 SMART_CMD(0x04), /* HADDR, START 0 */
319 SMART_DAT(0x00), /* x1,3 */
320 SMART_CMD(0x04), /* HADDR, END 4 */
323 SMART_DAT(0xEF), /* x2, 7 */
324 SMART_CMD(0x04), /* VADDR, START 8 */
326 SMART_DAT(0x00), /* y1, 10 */
327 SMART_DAT(0x00), /* y1, 11 */
328 SMART_CMD(0x04), /* VADDR, END 12 */
330 SMART_DAT(0x01), /* y2, 14 */
331 SMART_DAT(0x3F), /* y2, 15 */
332 SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
335 SMART_DAT(0x00), /* x1, 19 */
336 SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
338 SMART_DAT(0x00), /* y1, 22 */
339 SMART_DAT(0x00), /* y1, 23 */
342 static uint16_t panel_on
[] = {
378 static uint16_t panel_off
[] = {
409 static uint16_t update_framedata
[] = {
414 /* write frame data */
415 SMART_CMD_WRITE_FRAME
,
418 static void ltm020d550_lcd_power(int on
, struct fb_var_screeninfo
*var
)
420 struct fb_info
*info
= container_of(var
, struct fb_info
, var
);
423 pxafb_smart_queue(info
, ARRAY_AND_SIZE(panel_init
));
424 pxafb_smart_queue(info
, ARRAY_AND_SIZE(panel_on
));
426 pxafb_smart_queue(info
, ARRAY_AND_SIZE(panel_off
));
429 if (pxafb_smart_flush(info
))
430 pr_err("%s: timed out\n", __func__
);
433 static void ltm020d550_update(struct fb_info
*info
)
435 pxafb_smart_queue(info
, ARRAY_AND_SIZE(update_framedata
));
436 pxafb_smart_flush(info
);
439 static struct pxafb_mode_info toshiba_ltm020d550_modes
[] = {
444 .a0csrd_set_hld
= 30,
445 .a0cswr_set_hld
= 30,
446 .wr_pulse_width
= 30,
447 .rd_pulse_width
= 170,
451 /* L_LCLK_A0 and L_LCLK_RD active low */
452 .sync
= FB_SYNC_HOR_HIGH_ACT
|
453 FB_SYNC_VERT_HIGH_ACT
,
457 static struct pxafb_mach_info tavorevb_lcd_info
= {
458 .modes
= toshiba_ltm020d550_modes
,
460 .lcd_conn
= LCD_SMART_PANEL_8BPP
| LCD_PCLK_EDGE_FALL
,
461 .pxafb_lcd_power
= ltm020d550_lcd_power
,
462 .smart_update
= ltm020d550_update
,
465 static void __init
tavorevb_init_lcd(void)
467 platform_device_register(&tavorevb_backlight_devices
[0]);
468 platform_device_register(&tavorevb_backlight_devices
[1]);
469 pxa_set_fb_info(NULL
, &tavorevb_lcd_info
);
472 static inline void tavorevb_init_lcd(void) {}
473 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
475 static void __init
tavorevb_init(void)
477 /* initialize MFP configurations */
478 pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg
));
480 pxa_set_ffuart_info(NULL
);
481 pxa_set_btuart_info(NULL
);
482 pxa_set_stuart_info(NULL
);
484 platform_device_register(&smc91x_device
);
487 tavorevb_init_keypad();
490 MACHINE_START(TAVOREVB
, "PXA930 Evaluation Board (aka TavorEVB)")
491 /* Maintainer: Eric Miao <eric.miao@marvell.com> */
492 .atag_offset
= 0x100,
493 .map_io
= pxa3xx_map_io
,
494 .init_irq
= pxa3xx_init_irq
,
495 .handle_irq
= pxa3xx_handle_irq
,
497 .init_machine
= tavorevb_init
,