2 * GPR board platform device registration
4 * Copyright (C) 2010 Wolfgang Grandegger <wg@denx.de>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <linux/init.h>
22 #include <linux/platform_device.h>
23 #include <linux/mtd/partitions.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/leds.h>
26 #include <linux/gpio.h>
27 #include <linux/i2c.h>
28 #include <linux/i2c-gpio.h>
30 #include <asm/mach-au1x00/au1000.h>
35 static struct resource gpr_wdt_resource[] = {
39 .name = "gpr-adm6320-wdt",
40 .flags = IORESOURCE_IRQ,
44 static struct platform_device gpr_wdt_device = {
45 .name = "adm6320-wdt",
47 .num_resources = ARRAY_SIZE(gpr_wdt_resource),
48 .resource = gpr_wdt_resource,
54 * 0x00000000-0x00200000 : "kernel"
55 * 0x00200000-0x00a00000 : "rootfs"
56 * 0x01d00000-0x01f00000 : "config"
57 * 0x01c00000-0x01d00000 : "yamon"
58 * 0x01d00000-0x01d40000 : "yamon env vars"
59 * 0x00000000-0x00a00000 : "kernel+rootfs"
61 static struct mtd_partition gpr_mtd_partitions[] = {
70 .offset = MTDPART_OFS_APPEND,
71 .mask_flags = MTD_WRITEABLE,
84 .name = "yamon env vars",
86 .offset = MTDPART_OFS_APPEND,
89 .name = "kernel+rootfs",
95 static struct physmap_flash_data gpr_flash_data = {
97 .nr_parts = ARRAY_SIZE(gpr_mtd_partitions),
98 .parts = gpr_mtd_partitions,
101 static struct resource gpr_mtd_resource = {
104 .flags = IORESOURCE_MEM,
107 static struct platform_device gpr_mtd_device = {
108 .name = "physmap-flash",
110 .platform_data = &gpr_flash_data,
113 .resource = &gpr_mtd_resource,
119 static struct gpio_led gpr_gpio_leds[] = {
132 static struct gpio_led_platform_data gpr_led_data = {
133 .num_leds = ARRAY_SIZE(gpr_gpio_leds),
134 .leds = gpr_gpio_leds,
137 static struct platform_device gpr_led_devices = {
141 .platform_data = &gpr_led_data,
148 static struct i2c_gpio_platform_data gpr_i2c_data = {
150 .sda_is_open_drain = 1,
152 .scl_is_open_drain = 1,
153 .udelay = 2, /* ~100 kHz */
157 static struct platform_device gpr_i2c_device = {
160 .dev.platform_data = &gpr_i2c_data,
163 static struct i2c_board_info gpr_i2c_info[] __initdata = {
165 I2C_BOARD_INFO("lm83", 0x18),
172 static struct resource alchemy_pci_host_res[] = {
174 .start = AU1500_PCI_PHYS_ADDR,
175 .end = AU1500_PCI_PHYS_ADDR + 0xfff,
176 .flags = IORESOURCE_MEM,
180 static int gpr_map_pci_irq(const struct pci_dev *d, u8 slot, u8 pin)
182 if ((slot == 0) && (pin == 1))
183 return AU1550_PCI_INTA;
184 else if ((slot == 0) && (pin == 2))
185 return AU1550_PCI_INTB;
190 static struct alchemy_pci_platdata gpr_pci_pd = {
191 .board_map_irq = gpr_map_pci_irq,
192 .pci_cfg_set = PCI_CONFIG_AEN | PCI_CONFIG_R2H | PCI_CONFIG_R1H |
194 #if defined(__MIPSEB__)
195 PCI_CONFIG_SIC_HWA_DAT | PCI_CONFIG_SM,
201 static struct platform_device gpr_pci_host_dev = {
202 .dev.platform_data = &gpr_pci_pd,
203 .name = "alchemy-pci",
205 .num_resources = ARRAY_SIZE(alchemy_pci_host_res),
206 .resource = alchemy_pci_host_res,
209 static struct platform_device *gpr_devices[] __initdata = {
216 static int __init gpr_pci_init(void)
218 return platform_device_register(&gpr_pci_host_dev);
220 /* must be arch_initcall; MIPS PCI scans busses in a subsys_initcall */
221 arch_initcall(gpr_pci_init);
224 static int __init gpr_dev_init(void)
226 i2c_register_board_info(0, gpr_i2c_info, ARRAY_SIZE(gpr_i2c_info));
228 return platform_add_devices(gpr_devices, ARRAY_SIZE(gpr_devices));
230 device_initcall(gpr_dev_init);