Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
[linux/fpc-iii.git] / arch / arm / mach-clps711x / board-edb7211.c
blobfe6184ead89668d0f10b9e22b07d0ee05c867137
1 /*
2 * Copyright (C) 2000, 2001 Blue Mug, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 */
10 #include <linux/init.h>
11 #include <linux/gpio.h>
12 #include <linux/delay.h>
13 #include <linux/memblock.h>
14 #include <linux/types.h>
15 #include <linux/i2c-gpio.h>
16 #include <linux/interrupt.h>
17 #include <linux/backlight.h>
18 #include <linux/platform_device.h>
20 #include <linux/mtd/physmap.h>
21 #include <linux/mtd/partitions.h>
23 #include <asm/setup.h>
24 #include <asm/mach/map.h>
25 #include <asm/mach/arch.h>
26 #include <asm/mach-types.h>
28 #include <video/platform_lcd.h>
30 #include <mach/hardware.h>
32 #include "common.h"
33 #include "devices.h"
35 #define VIDEORAM_SIZE SZ_128K
37 #define EDB7211_LCD_DC_DC_EN CLPS711X_GPIO(3, 1)
38 #define EDB7211_LCDEN CLPS711X_GPIO(3, 2)
39 #define EDB7211_LCDBL CLPS711X_GPIO(3, 3)
41 #define EDB7211_I2C_SDA CLPS711X_GPIO(3, 4)
42 #define EDB7211_I2C_SCL CLPS711X_GPIO(3, 5)
44 #define EDB7211_FLASH0_BASE (CS0_PHYS_BASE)
45 #define EDB7211_FLASH1_BASE (CS1_PHYS_BASE)
47 #define EDB7211_CS8900_BASE (CS2_PHYS_BASE + 0x300)
48 #define EDB7211_CS8900_IRQ (IRQ_EINT3)
50 /* The extra 8 lines of the keyboard matrix */
51 #define EDB7211_EXTKBD_BASE (CS3_PHYS_BASE)
53 static struct i2c_gpio_platform_data edb7211_i2c_pdata __initdata = {
54 .sda_pin = EDB7211_I2C_SDA,
55 .scl_pin = EDB7211_I2C_SCL,
56 .scl_is_output_only = 1,
59 static struct resource edb7211_cs8900_resource[] __initdata = {
60 DEFINE_RES_MEM(EDB7211_CS8900_BASE, SZ_1K),
61 DEFINE_RES_IRQ(EDB7211_CS8900_IRQ),
64 static struct mtd_partition edb7211_flash_partitions[] __initdata = {
66 .name = "Flash",
67 .offset = 0,
68 .size = MTDPART_SIZ_FULL,
72 static struct physmap_flash_data edb7211_flash_pdata __initdata = {
73 .width = 4,
74 .parts = edb7211_flash_partitions,
75 .nr_parts = ARRAY_SIZE(edb7211_flash_partitions),
78 static struct resource edb7211_flash_resources[] __initdata = {
79 DEFINE_RES_MEM(EDB7211_FLASH0_BASE, SZ_8M),
80 DEFINE_RES_MEM(EDB7211_FLASH1_BASE, SZ_8M),
83 static struct platform_device edb7211_flash_pdev __initdata = {
84 .name = "physmap-flash",
85 .id = 0,
86 .resource = edb7211_flash_resources,
87 .num_resources = ARRAY_SIZE(edb7211_flash_resources),
88 .dev = {
89 .platform_data = &edb7211_flash_pdata,
93 static void edb7211_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
95 if (power) {
96 gpio_set_value(EDB7211_LCDEN, 1);
97 udelay(100);
98 gpio_set_value(EDB7211_LCD_DC_DC_EN, 1);
99 } else {
100 gpio_set_value(EDB7211_LCD_DC_DC_EN, 0);
101 udelay(100);
102 gpio_set_value(EDB7211_LCDEN, 0);
106 static struct plat_lcd_data edb7211_lcd_power_pdata = {
107 .set_power = edb7211_lcd_power_set,
110 static void edb7211_lcd_backlight_set_intensity(int intensity)
112 gpio_set_value(EDB7211_LCDBL, !!intensity);
113 clps_writel((clps_readl(PMPCON) & 0xf0ff) | (intensity << 8), PMPCON);
116 static struct generic_bl_info edb7211_lcd_backlight_pdata = {
117 .name = "lcd-backlight.0",
118 .default_intensity = 0x01,
119 .max_intensity = 0x0f,
120 .set_bl_intensity = edb7211_lcd_backlight_set_intensity,
123 static struct gpio edb7211_gpios[] __initconst = {
124 { EDB7211_LCD_DC_DC_EN, GPIOF_OUT_INIT_LOW, "LCD DC-DC" },
125 { EDB7211_LCDEN, GPIOF_OUT_INIT_LOW, "LCD POWER" },
126 { EDB7211_LCDBL, GPIOF_OUT_INIT_LOW, "LCD BACKLIGHT" },
129 /* Reserve screen memory region at the start of main system memory. */
130 static void __init edb7211_reserve(void)
132 memblock_reserve(PHYS_OFFSET, VIDEORAM_SIZE);
135 static void __init
136 fixup_edb7211(struct tag *tags, char **cmdline, struct meminfo *mi)
139 * Bank start addresses are not present in the information
140 * passed in from the boot loader. We could potentially
141 * detect them, but instead we hard-code them.
143 * Banks sizes _are_ present in the param block, but we're
144 * not using that information yet.
146 mi->bank[0].start = 0xc0000000;
147 mi->bank[0].size = SZ_8M;
148 mi->bank[1].start = 0xc1000000;
149 mi->bank[1].size = SZ_8M;
150 mi->nr_banks = 2;
153 static void __init edb7211_init(void)
155 clps711x_devices_init();
158 static void __init edb7211_init_late(void)
160 gpio_request_array(edb7211_gpios, ARRAY_SIZE(edb7211_gpios));
162 platform_device_register(&edb7211_flash_pdev);
163 platform_device_register_data(&platform_bus, "platform-lcd", 0,
164 &edb7211_lcd_power_pdata,
165 sizeof(edb7211_lcd_power_pdata));
166 platform_device_register_data(&platform_bus, "generic-bl", 0,
167 &edb7211_lcd_backlight_pdata,
168 sizeof(edb7211_lcd_backlight_pdata));
169 platform_device_register_simple("video-clps711x", 0, NULL, 0);
170 platform_device_register_simple("cs89x0", 0, edb7211_cs8900_resource,
171 ARRAY_SIZE(edb7211_cs8900_resource));
172 platform_device_register_data(&platform_bus, "i2c-gpio", 0,
173 &edb7211_i2c_pdata,
174 sizeof(edb7211_i2c_pdata));
177 MACHINE_START(EDB7211, "CL-EDB7211 (EP7211 eval board)")
178 /* Maintainer: Jon McClintock */
179 .atag_offset = VIDEORAM_SIZE + 0x100,
180 .nr_irqs = CLPS711X_NR_IRQS,
181 .fixup = fixup_edb7211,
182 .reserve = edb7211_reserve,
183 .map_io = clps711x_map_io,
184 .init_early = clps711x_init_early,
185 .init_irq = clps711x_init_irq,
186 .init_time = clps711x_timer_init,
187 .init_machine = edb7211_init,
188 .init_late = edb7211_init_late,
189 .handle_irq = clps711x_handle_irq,
190 .restart = clps711x_restart,
191 MACHINE_END