/* * linux/arch/arm/mach-pxa/saar.c * * Support for the Marvell PXA930 Handheld Platform (aka SAAR) * * Copyright (C) 2007-2008 Marvell International Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * publishhed by the Free Software Foundation. */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/gpio.h> #include <linux/delay.h> #include <linux/fb.h> #include <linux/i2c.h> #include <linux/smc91x.h> #include <linux/mfd/da903x.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/pxa930.h> #include <mach/i2c.h> #include <mach/pxafb.h> #include "devices.h" #include "generic.h" #define GPIO_LCD_RESET (16) /* SAAR MFP configurations */ static mfp_cfg_t saar_mfp_cfg[] __initdata = { /* LCD */ GPIO23_LCD_DD0, GPIO24_LCD_DD1, GPIO25_LCD_DD2, GPIO26_LCD_DD3, GPIO27_LCD_DD4, GPIO28_LCD_DD5, GPIO29_LCD_DD6, GPIO44_LCD_DD7, GPIO21_LCD_CS, GPIO22_LCD_VSYNC, GPIO17_LCD_FCLK_RD, GPIO18_LCD_LCLK_A0, GPIO19_LCD_PCLK_WR, GPIO16_GPIO, /* LCD reset */ /* Ethernet */ DF_nCS1_nCS3, GPIO97_GPIO, }; #define SAAR_ETH_PHYS (0x14000000) static struct resource smc91x_resources[] = { [0] = { .start = (SAAR_ETH_PHYS + 0x300), .end = (SAAR_ETH_PHYS + 0xfffff), .flags = IORESOURCE_MEM, }, [1] = { .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO97)), .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO97)), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, } }; static struct smc91x_platdata saar_smc91x_info = { .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA, }; static struct platform_device smc91x_device = { .name = "smc91x", .id = 0, .num_resources = ARRAY_SIZE(smc91x_resources), .resource = smc91x_resources, .dev = { .platform_data = &saar_smc91x_info, }, }; #if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULE) static uint16_t lcd_power_on[] = { /* single frame */ SMART_CMD_NOOP, SMART_CMD(0x00), SMART_DELAY(0), SMART_CMD_NOOP, SMART_CMD(0x00), SMART_DELAY(0), SMART_CMD_NOOP, SMART_CMD(0x00), SMART_DELAY(0), SMART_CMD_NOOP, SMART_CMD(0x00), SMART_DELAY(10), /* calibration control */ SMART_CMD(0x00), SMART_CMD(0xA4), SMART_DAT(0x80), SMART_DAT(0x01), SMART_DELAY(150), /*Power-On Init sequence*/ SMART_CMD(0x00), /* output ctrl */ SMART_CMD(0x01), SMART_DAT(0x01), SMART_DAT(0x00), SMART_CMD(0x00), /* wave ctrl */ SMART_CMD(0x02), SMART_DAT(0x07), SMART_DAT(0x00), SMART_CMD(0x00), SMART_CMD(0x03), /* entry mode */ SMART_DAT(0xD0), SMART_DAT(0x30), SMART_CMD(0x00), SMART_CMD(0x08), /* display ctrl 2 */ SMART_DAT(0x08), SMART_DAT(0x08), SMART_CMD(0x00), SMART_CMD(0x09), /* display ctrl 3 */ SMART_DAT(0x04), SMART_DAT(0x2F), SMART_CMD(0x00), SMART_CMD(0x0A), /* display ctrl 4 */ SMART_DAT(0x00), SMART_DAT(0x08), SMART_CMD(0x00), SMART_CMD(0x0D), /* Frame Marker position */ SMART_DAT(0x00), SMART_DAT(0x08), SMART_CMD(0x00), SMART_CMD(0x60), /* Driver output control */ SMART_DAT(0x27), SMART_DAT(0x00), SMART_CMD(0x00), SMART_CMD(0x61), /* Base image display control */ SMART_DAT(0x00), SMART_DAT(0x01), SMART_CMD(0x00), SMART_CMD(0x30), /* Y settings 30h-3Dh */ SMART_DAT(0x07), SMART_DAT(0x07), SMART_CMD(0x00), SMART_CMD(0x31), SMART_DAT(0x00), SMART_DAT(0x07), SMART_CMD(0x00), SMART_CMD(0x32), /* Timing(3), ASW HOLD=0.5CLK */ SMART_DAT(0x04), SMART_DAT(0x00), SMART_CMD(0x00), SMART_CMD(0x33), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */ SMART_DAT(0x03), SMART_DAT(0x03), SMART_CMD(0x00), SMART_CMD(0x34), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), SMART_CMD(0x35), SMART_DAT(0x02), SMART_DAT(0x05), SMART_CMD(0x00), SMART_CMD(0x36), SMART_DAT(0x1F), SMART_DAT(0x1F), SMART_CMD(0x00), SMART_CMD(0x37), SMART_DAT(0x07), SMART_DAT(0x07), SMART_CMD(0x00), SMART_CMD(0x38), SMART_DAT(0x00), SMART_DAT(0x07), SMART_CMD(0x00), SMART_CMD(0x39), SMART_DAT(0x04), SMART_DAT(0x00), SMART_CMD(0x00), SMART_CMD(0x3A), SMART_DAT(0x03), SMART_DAT(0x03), SMART_CMD(0x00), SMART_CMD(0x3B), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), SMART_CMD(0x3C), SMART_DAT(0x02), SMART_DAT(0x05), SMART_CMD(0x00), SMART_CMD(0x3D), SMART_DAT(0x1F), SMART_DAT(0x1F), SMART_CMD(0x00), /* Display control 1 */ SMART_CMD(0x07), SMART_DAT(0x00), SMART_DAT(0x01), SMART_CMD(0x00), /* Power control 5 */ SMART_CMD(0x17), SMART_DAT(0x00), SMART_DAT(0x01), SMART_CMD(0x00), /* Power control 1 */ SMART_CMD(0x10), SMART_DAT(0x10), SMART_DAT(0xB0), SMART_CMD(0x00), /* Power control 2 */ SMART_CMD(0x11), SMART_DAT(0x01), SMART_DAT(0x30), SMART_CMD(0x00), /* Power control 3 */ SMART_CMD(0x12), SMART_DAT(0x01), SMART_DAT(0x9E), SMART_CMD(0x00), /* Power control 4 */ SMART_CMD(0x13), SMART_DAT(0x17), SMART_DAT(0x00), SMART_CMD(0x00), /* Power control 3 */ SMART_CMD(0x12), SMART_DAT(0x01), SMART_DAT(0xBE), SMART_DELAY(100), /* display mode : 240*320 */ SMART_CMD(0x00), /* RAM address set(H) 0*/ SMART_CMD(0x20), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), /* RAM address set(V) 4*/ SMART_CMD(0x21), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), /* Start of Window RAM address set(H) 8*/ SMART_CMD(0x50), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), /* End of Window RAM address set(H) 12*/ SMART_CMD(0x51), SMART_DAT(0x00), SMART_DAT(0xEF), SMART_CMD(0x00), /* Start of Window RAM address set(V) 16*/ SMART_CMD(0x52), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), /* End of Window RAM address set(V) 20*/ SMART_CMD(0x53), SMART_DAT(0x01), SMART_DAT(0x3F), SMART_CMD(0x00), /* Panel interface control 1 */ SMART_CMD(0x90), SMART_DAT(0x00), SMART_DAT(0x1A), SMART_CMD(0x00), /* Panel interface control 2 */ SMART_CMD(0x92), SMART_DAT(0x04), SMART_DAT(0x00), SMART_CMD(0x00), /* Panel interface control 3 */ SMART_CMD(0x93), SMART_DAT(0x00), SMART_DAT(0x05), SMART_DELAY(20), }; static uint16_t lcd_panel_on[] = { SMART_CMD(0x00), SMART_CMD(0x07), SMART_DAT(0x00), SMART_DAT(0x21), SMART_DELAY(1), SMART_CMD(0x00), SMART_CMD(0x07), SMART_DAT(0x00), SMART_DAT(0x61), SMART_DELAY(100), SMART_CMD(0x00), SMART_CMD(0x07), SMART_DAT(0x01), SMART_DAT(0x73), SMART_DELAY(1), }; static uint16_t lcd_panel_off[] = { SMART_CMD(0x00), SMART_CMD(0x07), SMART_DAT(0x00), SMART_DAT(0x72), SMART_DELAY(40), SMART_CMD(0x00), SMART_CMD(0x07), SMART_DAT(0x00), SMART_DAT(0x01), SMART_DELAY(1), SMART_CMD(0x00), SMART_CMD(0x07), SMART_DAT(0x00), SMART_DAT(0x00), SMART_DELAY(1), }; static uint16_t lcd_power_off[] = { SMART_CMD(0x00), SMART_CMD(0x10), SMART_DAT(0x00), SMART_DAT(0x80), SMART_CMD(0x00), SMART_CMD(0x11), SMART_DAT(0x01), SMART_DAT(0x60), SMART_CMD(0x00), SMART_CMD(0x12), SMART_DAT(0x01), SMART_DAT(0xAE), SMART_DELAY(40), SMART_CMD(0x00), SMART_CMD(0x10), SMART_DAT(0x00), SMART_DAT(0x00), }; static uint16_t update_framedata[] = { /* set display ram: 240*320 */ SMART_CMD(0x00), /* RAM address set(H) 0*/ SMART_CMD(0x20), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), /* RAM address set(V) 4*/ SMART_CMD(0x21), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), /* Start of Window RAM address set(H) 8 */ SMART_CMD(0x50), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), /* End of Window RAM address set(H) 12 */ SMART_CMD(0x51), SMART_DAT(0x00), SMART_DAT(0xEF), SMART_CMD(0x00), /* Start of Window RAM address set(V) 16 */ SMART_CMD(0x52), SMART_DAT(0x00), SMART_DAT(0x00), SMART_CMD(0x00), /* End of Window RAM address set(V) 20 */ SMART_CMD(0x53), SMART_DAT(0x01), SMART_DAT(0x3F), /* wait for vsync cmd before transferring frame data */ SMART_CMD_WAIT_FOR_VSYNC, /* write ram */ SMART_CMD(0x00), SMART_CMD(0x22), /* write frame data */ SMART_CMD_WRITE_FRAME, }; static void ltm022a97a_lcd_power(int on, struct fb_var_screeninfo *var) { static int pin_requested = 0; struct fb_info *info = container_of(var, struct fb_info, var); int err; if (!pin_requested) { err = gpio_request(GPIO_LCD_RESET, "lcd reset"); if (err) { pr_err("failed to request gpio for LCD reset\n"); return; } gpio_direction_output(GPIO_LCD_RESET, 0); pin_requested = 1; } if (on) { gpio_set_value(GPIO_LCD_RESET, 0); msleep(100); gpio_set_value(GPIO_LCD_RESET, 1); msleep(10); pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_on)); pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_on)); } else { pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_panel_off)); pxafb_smart_queue(info, ARRAY_AND_SIZE(lcd_power_off)); } err = pxafb_smart_flush(info); if (err) pr_err("%s: timed out\n", __func__); } static void ltm022a97a_update(struct fb_info *info) { pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata)); pxafb_smart_flush(info); } static struct pxafb_mode_info toshiba_ltm022a97a_modes[] = { [0] = { .xres = 240, .yres = 320, .bpp = 16, .a0csrd_set_hld = 30, .a0cswr_set_hld = 30, .wr_pulse_width = 30, .rd_pulse_width = 30, .op_hold_time = 30, .cmd_inh_time = 60, /* L_LCLK_A0 and L_LCLK_RD active low */ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, }, }; static struct pxafb_mach_info saar_lcd_info = { .modes = toshiba_ltm022a97a_modes, .num_modes = 1, .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL, .pxafb_lcd_power = ltm022a97a_lcd_power, .smart_update = ltm022a97a_update, }; static void __init saar_init_lcd(void) { set_pxa_fb_info(&saar_lcd_info); } #else static inline void saar_init_lcd(void) {} #endif #if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) static struct da903x_subdev_info saar_da9034_subdevs[] = { [0] = { .name = "da903x-backlight", .id = DA9034_ID_WLED, }, }; static struct da903x_platform_data saar_da9034_info = { .num_subdevs = ARRAY_SIZE(saar_da9034_subdevs), .subdevs = saar_da9034_subdevs, }; static struct i2c_board_info saar_i2c_info[] = { [0] = { .type = "da9034", .addr = 0x34, .platform_data = &saar_da9034_info, .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO83)), }, }; static void __init saar_init_i2c(void) { pxa_set_i2c_info(NULL); i2c_register_board_info(0, ARRAY_AND_SIZE(saar_i2c_info)); } #else static inline void saar_init_i2c(void) {} #endif static void __init saar_init(void) { /* initialize MFP configurations */ pxa3xx_mfp_config(ARRAY_AND_SIZE(saar_mfp_cfg)); platform_device_register(&smc91x_device); saar_init_i2c(); saar_init_lcd(); } MACHINE_START(SAAR, "PXA930 Handheld Platform (aka SAAR)") /* Maintainer: Eric Miao <eric.miao@marvell.com> */ .phys_io = 0x40000000, .boot_params = 0xa0000100, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .map_io = pxa_map_io, .init_irq = pxa3xx_init_irq, .timer = &pxa_timer, .init_machine = saar_init, MACHINE_END