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* linux/arch/arm/mach-pxa/tavorevb.c
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* Support for the Marvell PXA930 Evaluation Board
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* Copyright (C) 2007-2008 Marvell International Ltd.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* publishhed by the Free Software Foundation.
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/gpio.h>
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#include <linux/smc91x.h>
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#include <linux/pwm_backlight.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/pxa930.h>
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#include <mach/pxafb.h>
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#include <plat/pxa27x_keypad.h>
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/* Tavor EVB MFP configurations */
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static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = {
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GPIO43_PWM3, /* primary backlight */
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GPIO32_PWM0, /* secondary backlight */
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#define TAVOREVB_ETH_PHYS (0x14000000)
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static struct resource smc91x_resources[] = {
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.start = (TAVOREVB_ETH_PHYS + 0x300),
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.end = (TAVOREVB_ETH_PHYS + 0xfffff),
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.flags = IORESOURCE_MEM,
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.start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)),
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.end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO47)),
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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static struct smc91x_platdata tavorevb_smc91x_info = {
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.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
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static struct platform_device smc91x_device = {
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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.platform_data = &tavorevb_smc91x_info,
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#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
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static unsigned int tavorevb_matrix_key_map[] = {
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/* KEY(row, col, key_code) */
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KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C),
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KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G),
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KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K),
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KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O),
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KEY(4, 5, KEY_R), KEY(4, 6, KEY_S),
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KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W),
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KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z),
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KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3),
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KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7),
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KEY(1, 3, KEY_8), KEY(0, 2, KEY_9),
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KEY(6, 6, KEY_SPACE),
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KEY(0, 0, KEY_KPASTERISK), /* * */
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KEY(0, 1, KEY_KPDOT), /* # */
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KEY(4, 2, KEY_RIGHT),
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KEY(6, 1, KEY_DELETE),
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KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */
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KEY(4, 4, KEY_ENTER), /* scroll push */
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KEY(6, 2, KEY_ENTER), /* keypad action */
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KEY(5, 3, KEY_RECORD),
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KEY(5, 0, KEY_VOLUMEUP),
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KEY(5, 1, KEY_VOLUMEDOWN),
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KEY(3, 0, KEY_F22), /* soft1 */
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KEY(3, 3, KEY_F23), /* soft2 */
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static struct pxa27x_keypad_platform_data tavorevb_keypad_info = {
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.matrix_key_rows = 7,
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.matrix_key_cols = 7,
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.matrix_key_map = tavorevb_matrix_key_map,
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.matrix_key_map_size = ARRAY_SIZE(tavorevb_matrix_key_map),
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.debounce_interval = 30,
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static void __init tavorevb_init_keypad(void)
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pxa_set_keypad_info(&tavorevb_keypad_info);
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static inline void tavorevb_init_keypad(void) {}
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#endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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static struct platform_pwm_backlight_data tavorevb_backlight_data[] = {
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/* primary backlight */
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.max_brightness = 100,
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.dft_brightness = 100,
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.pwm_period_ns = 100000,
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/* secondary backlight */
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.max_brightness = 100,
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.dft_brightness = 100,
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.pwm_period_ns = 100000,
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static struct platform_device tavorevb_backlight_devices[] = {
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.name = "pwm-backlight",
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.platform_data = &tavorevb_backlight_data[0],
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.name = "pwm-backlight",
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.platform_data = &tavorevb_backlight_data[1],
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static uint16_t panel_init[] = {
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/* P-ON Init sequence */
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SMART_CMD(0x00), /* OSC ON */
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SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */
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SMART_CMD(0x02), /* LINE INV */
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SMART_CMD(0x03), /* IF mode(1) */
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SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */
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SMART_CMD(0x00), /* RAM Write Mode */
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/* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */
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SMART_DAT(0x40), /* 16/18/19 BPP */
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SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */
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SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */
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SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */
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SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */
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SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */
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SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */
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SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */
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/* DISP RAM setting: 240*320 */
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SMART_CMD(0x04), /* HADDR, START 0 */
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SMART_DAT(0x00), /* x1,3 */
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SMART_CMD(0x04), /* HADDR, END 4 */
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SMART_DAT(0xEF), /* x2, 7 */
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SMART_CMD(0x04), /* VADDR, START 8 */
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SMART_DAT(0x00), /* y1, 10 */
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SMART_DAT(0x00), /* y1, 11 */
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SMART_CMD(0x04), /* VADDR, END 12 */
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SMART_DAT(0x01), /* y2, 14 */
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SMART_DAT(0x3F), /* y2, 15 */
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SMART_CMD(0x02), /* RAM ADDR SETTING 16 */
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SMART_DAT(0x00), /* x1, 19 */
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SMART_CMD(0x02), /* RAM ADDR SETTING 20 */
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SMART_DAT(0x00), /* y1, 22 */
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SMART_DAT(0x00), /* y1, 23 */
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static uint16_t panel_on[] = {
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static uint16_t panel_off[] = {
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static uint16_t update_framedata[] = {
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/* write frame data */
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SMART_CMD_WRITE_FRAME,
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static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var)
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struct fb_info *info = container_of(var, struct fb_info, var);
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pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init));
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pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on));
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pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off));
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if (pxafb_smart_flush(info))
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pr_err("%s: timed out\n", __func__);
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static void ltm020d550_update(struct fb_info *info)
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pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata));
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pxafb_smart_flush(info);
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static struct pxafb_mode_info toshiba_ltm020d550_modes[] = {
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.a0csrd_set_hld = 30,
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.a0cswr_set_hld = 30,
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.wr_pulse_width = 30,
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.rd_pulse_width = 170,
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/* L_LCLK_A0 and L_LCLK_RD active low */
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.sync = FB_SYNC_HOR_HIGH_ACT |
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FB_SYNC_VERT_HIGH_ACT,
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static struct pxafb_mach_info tavorevb_lcd_info = {
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.modes = toshiba_ltm020d550_modes,
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.lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL,
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.pxafb_lcd_power = ltm020d550_lcd_power,
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.smart_update = ltm020d550_update,
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static void __init tavorevb_init_lcd(void)
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platform_device_register(&tavorevb_backlight_devices[0]);
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platform_device_register(&tavorevb_backlight_devices[1]);
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pxa_set_fb_info(NULL, &tavorevb_lcd_info);
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static inline void tavorevb_init_lcd(void) {}
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#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
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static void __init tavorevb_init(void)
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/* initialize MFP configurations */
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pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg));
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pxa_set_ffuart_info(NULL);
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pxa_set_btuart_info(NULL);
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pxa_set_stuart_info(NULL);
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platform_device_register(&smc91x_device);
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tavorevb_init_keypad();
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MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)")
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/* Maintainer: Eric Miao <eric.miao@marvell.com> */
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.atag_offset = 0x100,
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.map_io = pxa3xx_map_io,
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.init_irq = pxa3xx_init_irq,
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.handle_irq = pxa3xx_handle_irq,
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.init_machine = tavorevb_init,