2 * Atheros PB44 board support
4 * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
11 #include <linux/init.h>
12 #include <linux/bitops.h>
13 #include <linux/input.h>
14 #include <linux/delay.h>
15 #include <linux/platform_device.h>
16 #include <linux/spi/spi.h>
17 #include <linux/spi/flash.h>
18 #include <linux/spi/vsc7385.h>
19 #include <linux/i2c.h>
20 #include <linux/i2c-gpio.h>
21 #include <linux/i2c/pcf857x.h>
23 #include <asm/mips_machine.h>
24 #include <asm/mach-ar71xx/ar71xx.h>
25 #include <asm/mach-ar71xx/pci.h>
29 #define PB44_PCF8757_VSC7395_CS 0
30 #define PB44_PCF8757_STEREO_CS 1
31 #define PB44_PCF8757_SLIC_CS0 2
32 #define PB44_PCF8757_SLIC_TEST 3
33 #define PB44_PCF8757_SLIC_INT0 4
34 #define PB44_PCF8757_SLIC_INT1 5
35 #define PB44_PCF8757_SW_RESET 6
36 #define PB44_PCF8757_SW_JUMP 8
37 #define PB44_PCF8757_LED_JUMP1 9
38 #define PB44_PCF8757_LED_JUMP2 10
39 #define PB44_PCF8757_TP24 11
40 #define PB44_PCF8757_TP25 12
41 #define PB44_PCF8757_TP26 13
42 #define PB44_PCF8757_TP27 14
43 #define PB44_PCF8757_TP28 15
45 #define PB44_GPIO_I2C_SCL 0
46 #define PB44_GPIO_I2C_SDA 1
48 #define PB44_GPIO_EXP_BASE 16
49 #define PB44_GPIO_VSC7395_CS (PB44_GPIO_EXP_BASE + PB44_PCF8757_VSC7395_CS)
50 #define PB44_GPIO_SW_RESET (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_RESET)
51 #define PB44_GPIO_SW_JUMP (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_JUMP)
52 #define PB44_GPIO_LED_JUMP1 (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP1)
53 #define PB44_GPIO_LED_JUMP2 (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP2)
55 static struct ar71xx_pci_irq pb44_pci_irqs
[] __initdata
= {
59 .irq
= AR71XX_PCI_IRQ_DEV0
,
63 .irq
= AR71XX_PCI_IRQ_DEV1
,
67 .irq
= AR71XX_PCI_IRQ_DEV2
,
71 static struct i2c_gpio_platform_data pb44_i2c_gpio_data
= {
72 .sda_pin
= PB44_GPIO_I2C_SDA
,
73 .scl_pin
= PB44_GPIO_I2C_SCL
,
76 static struct platform_device pb44_i2c_gpio_device
= {
80 .platform_data
= &pb44_i2c_gpio_data
,
84 static struct pcf857x_platform_data pb44_pcf857x_data
= {
85 .gpio_base
= PB44_GPIO_EXP_BASE
,
88 static struct i2c_board_info pb44_i2c_board_info
[] __initdata
= {
90 I2C_BOARD_INFO("pcf8575", 0x20),
91 .platform_data
= &pb44_pcf857x_data
,
95 static struct gpio_led pb44_leds_gpio
[] __initdata
= {
97 .name
= "pb44:amber:jump1",
98 .gpio
= PB44_GPIO_LED_JUMP1
,
101 .name
= "pb44:green:jump2",
102 .gpio
= PB44_GPIO_LED_JUMP2
,
107 static struct gpio_button pb44_gpio_buttons
[] __initdata
= {
109 .desc
= "soft_reset",
113 .gpio
= PB44_GPIO_SW_RESET
,
120 .gpio
= PB44_GPIO_SW_JUMP
,
125 static void pb44_vsc7395_reset(void)
127 ar71xx_device_stop(RESET_MODULE_GE1_PHY
);
129 ar71xx_device_start(RESET_MODULE_GE1_PHY
);
133 static struct vsc7385_platform_data pb44_vsc7395_data
= {
134 .reset
= pb44_vsc7395_reset
,
135 .ucode_name
= "vsc7395_ucode_pb44.bin",
143 static struct spi_board_info pb44_spi_info
[] = {
147 .max_speed_hz
= 25000000,
148 .modalias
= "m25p80",
152 .max_speed_hz
= 25000000,
153 .modalias
= "spi-vsc7385",
154 .platform_data
= &pb44_vsc7395_data
,
155 .controller_data
= (void *) PB44_GPIO_VSC7395_CS
,
159 static struct resource pb44_spi_resources
[] = {
161 .start
= AR71XX_SPI_BASE
,
162 .end
= AR71XX_SPI_BASE
+ AR71XX_SPI_SIZE
- 1,
163 .flags
= IORESOURCE_MEM
,
167 static struct ar71xx_spi_platform_data pb44_spi_data
= {
172 static struct platform_device pb44_spi_device
= {
175 .resource
= pb44_spi_resources
,
176 .num_resources
= ARRAY_SIZE(pb44_spi_resources
),
178 .platform_data
= &pb44_spi_data
,
182 #define PB44_WAN_PHYMASK BIT(0)
183 #define PB44_LAN_PHYMASK 0
184 #define PB44_MDIO_PHYMASK (PB44_LAN_PHYMASK | PB44_WAN_PHYMASK)
186 static void __init
pb44_init(void)
188 ar71xx_add_device_mdio(~PB44_MDIO_PHYMASK
);
190 ar71xx_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
191 ar71xx_eth0_data
.phy_mask
= PB44_WAN_PHYMASK
;
193 ar71xx_add_device_eth(0);
195 ar71xx_eth1_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
196 ar71xx_eth1_data
.phy_mask
= PB44_LAN_PHYMASK
;
197 ar71xx_eth1_data
.speed
= SPEED_1000
;
198 ar71xx_eth1_data
.duplex
= DUPLEX_FULL
;
199 ar71xx_eth1_pll_data
.pll_1000
= 0x110000;
201 ar71xx_add_device_eth(1);
203 ar71xx_add_device_usb();
205 ar71xx_pci_init(ARRAY_SIZE(pb44_pci_irqs
), pb44_pci_irqs
);
207 i2c_register_board_info(0, pb44_i2c_board_info
,
208 ARRAY_SIZE(pb44_i2c_board_info
));
210 platform_device_register(&pb44_i2c_gpio_device
);
212 spi_register_board_info(pb44_spi_info
, ARRAY_SIZE(pb44_spi_info
));
213 platform_device_register(&pb44_spi_device
);
215 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio
),
218 ar71xx_add_device_gpio_buttons(-1, 20, ARRAY_SIZE(pb44_gpio_buttons
),
222 MIPS_MACHINE(AR71XX_MACH_PB44
, "Atheros PB44", pb44_init
);