Root/target/linux/ar71xx/files/arch/mips/ar71xx/mach-pb44.c

1/*
2 * Atheros PB44 board support
3 *
4 * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
5 *
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.
9 */
10
11#include <linux/init.h>
12#include <linux/bitops.h>
13#include <linux/delay.h>
14#include <linux/platform_device.h>
15#include <linux/spi/spi.h>
16#include <linux/spi/flash.h>
17#include <linux/spi/vsc7385.h>
18#include <linux/i2c.h>
19#include <linux/i2c-gpio.h>
20#include <linux/i2c/pcf857x.h>
21
22#include <asm/mach-ar71xx/ar71xx.h>
23
24#include "machtype.h"
25#include "devices.h"
26#include "dev-pb42-pci.h"
27#include "dev-gpio-buttons.h"
28#include "dev-leds-gpio.h"
29#include "dev-usb.h"
30
31#define PB44_PCF8757_VSC7395_CS 0
32#define PB44_PCF8757_STEREO_CS 1
33#define PB44_PCF8757_SLIC_CS0 2
34#define PB44_PCF8757_SLIC_TEST 3
35#define PB44_PCF8757_SLIC_INT0 4
36#define PB44_PCF8757_SLIC_INT1 5
37#define PB44_PCF8757_SW_RESET 6
38#define PB44_PCF8757_SW_JUMP 8
39#define PB44_PCF8757_LED_JUMP1 9
40#define PB44_PCF8757_LED_JUMP2 10
41#define PB44_PCF8757_TP24 11
42#define PB44_PCF8757_TP25 12
43#define PB44_PCF8757_TP26 13
44#define PB44_PCF8757_TP27 14
45#define PB44_PCF8757_TP28 15
46
47#define PB44_GPIO_I2C_SCL 0
48#define PB44_GPIO_I2C_SDA 1
49
50#define PB44_GPIO_EXP_BASE 16
51#define PB44_GPIO_VSC7395_CS (PB44_GPIO_EXP_BASE + PB44_PCF8757_VSC7395_CS)
52#define PB44_GPIO_SW_RESET (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_RESET)
53#define PB44_GPIO_SW_JUMP (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_JUMP)
54#define PB44_GPIO_LED_JUMP1 (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP1)
55#define PB44_GPIO_LED_JUMP2 (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP2)
56
57static struct i2c_gpio_platform_data pb44_i2c_gpio_data = {
58    .sda_pin = PB44_GPIO_I2C_SDA,
59    .scl_pin = PB44_GPIO_I2C_SCL,
60};
61
62static struct platform_device pb44_i2c_gpio_device = {
63    .name = "i2c-gpio",
64    .id = 0,
65    .dev = {
66        .platform_data = &pb44_i2c_gpio_data,
67    }
68};
69
70static struct pcf857x_platform_data pb44_pcf857x_data = {
71    .gpio_base = PB44_GPIO_EXP_BASE,
72};
73
74static struct i2c_board_info pb44_i2c_board_info[] __initdata = {
75    {
76        I2C_BOARD_INFO("pcf8575", 0x20),
77        .platform_data = &pb44_pcf857x_data,
78    },
79};
80
81static struct gpio_led pb44_leds_gpio[] __initdata = {
82    {
83        .name = "pb44:amber:jump1",
84        .gpio = PB44_GPIO_LED_JUMP1,
85        .active_low = 1,
86    }, {
87        .name = "pb44:green:jump2",
88        .gpio = PB44_GPIO_LED_JUMP2,
89        .active_low = 1,
90    },
91};
92
93static struct gpio_button pb44_gpio_buttons[] __initdata = {
94    {
95        .desc = "soft_reset",
96        .type = EV_KEY,
97        .code = BTN_0,
98        .threshold = 3,
99        .gpio = PB44_GPIO_SW_RESET,
100        .active_low = 1,
101    } , {
102        .desc = "jumpstart",
103        .type = EV_KEY,
104        .code = BTN_1,
105        .threshold = 3,
106        .gpio = PB44_GPIO_SW_JUMP,
107        .active_low = 1,
108    }
109};
110
111static void pb44_vsc7395_reset(void)
112{
113    ar71xx_device_stop(RESET_MODULE_GE1_PHY);
114    udelay(10);
115    ar71xx_device_start(RESET_MODULE_GE1_PHY);
116    mdelay(50);
117}
118
119static struct vsc7385_platform_data pb44_vsc7395_data = {
120    .reset = pb44_vsc7395_reset,
121    .ucode_name = "vsc7395_ucode_pb44.bin",
122    .mac_cfg = {
123        .tx_ipg = 6,
124        .bit2 = 1,
125        .clk_sel = 0,
126    },
127};
128
129static struct spi_board_info pb44_spi_info[] = {
130    {
131        .bus_num = 0,
132        .chip_select = 0,
133        .max_speed_hz = 25000000,
134        .modalias = "m25p80",
135    }, {
136        .bus_num = 0,
137        .chip_select = 1,
138        .max_speed_hz = 25000000,
139        .modalias = "spi-vsc7385",
140        .platform_data = &pb44_vsc7395_data,
141        .controller_data = (void *) PB44_GPIO_VSC7395_CS,
142    },
143};
144
145static struct resource pb44_spi_resources[] = {
146    [0] = {
147        .start = AR71XX_SPI_BASE,
148        .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
149        .flags = IORESOURCE_MEM,
150    },
151};
152
153static struct ar71xx_spi_platform_data pb44_spi_data = {
154    .bus_num = 0,
155    .num_chipselect = 2,
156};
157
158static struct platform_device pb44_spi_device = {
159    .name = "pb44-spi",
160    .id = -1,
161    .resource = pb44_spi_resources,
162    .num_resources = ARRAY_SIZE(pb44_spi_resources),
163    .dev = {
164        .platform_data = &pb44_spi_data,
165    },
166};
167
168#define PB44_WAN_PHYMASK BIT(0)
169#define PB44_LAN_PHYMASK 0
170#define PB44_MDIO_PHYMASK (PB44_LAN_PHYMASK | PB44_WAN_PHYMASK)
171
172static void __init pb44_init(void)
173{
174    ar71xx_add_device_mdio(~PB44_MDIO_PHYMASK);
175
176    ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
177    ar71xx_eth0_data.phy_mask = PB44_WAN_PHYMASK;
178
179    ar71xx_add_device_eth(0);
180
181    ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
182    ar71xx_eth1_data.speed = SPEED_1000;
183    ar71xx_eth1_data.duplex = DUPLEX_FULL;
184    ar71xx_eth1_pll_data.pll_1000 = 0x110000;
185
186    ar71xx_add_device_eth(1);
187
188    ar71xx_add_device_usb();
189
190    pb42_pci_init();
191
192    i2c_register_board_info(0, pb44_i2c_board_info,
193                 ARRAY_SIZE(pb44_i2c_board_info));
194
195    platform_device_register(&pb44_i2c_gpio_device);
196
197    spi_register_board_info(pb44_spi_info, ARRAY_SIZE(pb44_spi_info));
198    platform_device_register(&pb44_spi_device);
199
200    ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio),
201                    pb44_leds_gpio);
202
203    ar71xx_add_device_gpio_buttons(-1, 20, ARRAY_SIZE(pb44_gpio_buttons),
204                       pb44_gpio_buttons);
205}
206
207MIPS_MACHINE(AR71XX_MACH_PB44, "PB44", "Atheros PB44", pb44_init);
208

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