| 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 | |
| 57 | #define PB44_KEYS_POLL_INTERVAL 20 /* msecs */ |
| 58 | #define PB44_KEYS_DEBOUNCE_INTERVAL (3 * PB44_KEYS_POLL_INTERVAL) |
| 59 | |
| 60 | static struct i2c_gpio_platform_data pb44_i2c_gpio_data = { |
| 61 | .sda_pin = PB44_GPIO_I2C_SDA, |
| 62 | .scl_pin = PB44_GPIO_I2C_SCL, |
| 63 | }; |
| 64 | |
| 65 | static struct platform_device pb44_i2c_gpio_device = { |
| 66 | .name = "i2c-gpio", |
| 67 | .id = 0, |
| 68 | .dev = { |
| 69 | .platform_data = &pb44_i2c_gpio_data, |
| 70 | } |
| 71 | }; |
| 72 | |
| 73 | static struct pcf857x_platform_data pb44_pcf857x_data = { |
| 74 | .gpio_base = PB44_GPIO_EXP_BASE, |
| 75 | }; |
| 76 | |
| 77 | static struct i2c_board_info pb44_i2c_board_info[] __initdata = { |
| 78 | { |
| 79 | I2C_BOARD_INFO("pcf8575", 0x20), |
| 80 | .platform_data = &pb44_pcf857x_data, |
| 81 | }, |
| 82 | }; |
| 83 | |
| 84 | static struct gpio_led pb44_leds_gpio[] __initdata = { |
| 85 | { |
| 86 | .name = "pb44:amber:jump1", |
| 87 | .gpio = PB44_GPIO_LED_JUMP1, |
| 88 | .active_low = 1, |
| 89 | }, { |
| 90 | .name = "pb44:green:jump2", |
| 91 | .gpio = PB44_GPIO_LED_JUMP2, |
| 92 | .active_low = 1, |
| 93 | }, |
| 94 | }; |
| 95 | |
| 96 | static struct gpio_keys_button pb44_gpio_keys[] __initdata = { |
| 97 | { |
| 98 | .desc = "soft_reset", |
| 99 | .type = EV_KEY, |
| 100 | .code = KEY_RESTART, |
| 101 | .debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL, |
| 102 | .gpio = PB44_GPIO_SW_RESET, |
| 103 | .active_low = 1, |
| 104 | }, { |
| 105 | .desc = "jumpstart", |
| 106 | .type = EV_KEY, |
| 107 | .code = KEY_WPS_BUTTON, |
| 108 | .debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL, |
| 109 | .gpio = PB44_GPIO_SW_JUMP, |
| 110 | .active_low = 1, |
| 111 | } |
| 112 | }; |
| 113 | |
| 114 | static void pb44_vsc7395_reset(void) |
| 115 | { |
| 116 | ar71xx_device_stop(RESET_MODULE_GE1_PHY); |
| 117 | udelay(10); |
| 118 | ar71xx_device_start(RESET_MODULE_GE1_PHY); |
| 119 | mdelay(50); |
| 120 | } |
| 121 | |
| 122 | static struct vsc7385_platform_data pb44_vsc7395_data = { |
| 123 | .reset = pb44_vsc7395_reset, |
| 124 | .ucode_name = "vsc7395_ucode_pb44.bin", |
| 125 | .mac_cfg = { |
| 126 | .tx_ipg = 6, |
| 127 | .bit2 = 1, |
| 128 | .clk_sel = 0, |
| 129 | }, |
| 130 | }; |
| 131 | |
| 132 | static struct spi_board_info pb44_spi_info[] = { |
| 133 | { |
| 134 | .bus_num = 0, |
| 135 | .chip_select = 0, |
| 136 | .max_speed_hz = 25000000, |
| 137 | .modalias = "m25p80", |
| 138 | }, { |
| 139 | .bus_num = 0, |
| 140 | .chip_select = 1, |
| 141 | .max_speed_hz = 25000000, |
| 142 | .modalias = "spi-vsc7385", |
| 143 | .platform_data = &pb44_vsc7395_data, |
| 144 | .controller_data = (void *) PB44_GPIO_VSC7395_CS, |
| 145 | }, |
| 146 | }; |
| 147 | |
| 148 | static struct resource pb44_spi_resources[] = { |
| 149 | [0] = { |
| 150 | .start = AR71XX_SPI_BASE, |
| 151 | .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1, |
| 152 | .flags = IORESOURCE_MEM, |
| 153 | }, |
| 154 | }; |
| 155 | |
| 156 | static struct ar71xx_spi_platform_data pb44_spi_data = { |
| 157 | .bus_num = 0, |
| 158 | .num_chipselect = 2, |
| 159 | }; |
| 160 | |
| 161 | static struct platform_device pb44_spi_device = { |
| 162 | .name = "pb44-spi", |
| 163 | .id = -1, |
| 164 | .resource = pb44_spi_resources, |
| 165 | .num_resources = ARRAY_SIZE(pb44_spi_resources), |
| 166 | .dev = { |
| 167 | .platform_data = &pb44_spi_data, |
| 168 | }, |
| 169 | }; |
| 170 | |
| 171 | #define PB44_WAN_PHYMASK BIT(0) |
| 172 | #define PB44_LAN_PHYMASK 0 |
| 173 | #define PB44_MDIO_PHYMASK (PB44_LAN_PHYMASK | PB44_WAN_PHYMASK) |
| 174 | |
| 175 | static void __init pb44_init(void) |
| 176 | { |
| 177 | ar71xx_add_device_mdio(~PB44_MDIO_PHYMASK); |
| 178 | |
| 179 | ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0); |
| 180 | ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
| 181 | ar71xx_eth0_data.phy_mask = PB44_WAN_PHYMASK; |
| 182 | |
| 183 | ar71xx_add_device_eth(0); |
| 184 | |
| 185 | ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1); |
| 186 | ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
| 187 | ar71xx_eth1_data.speed = SPEED_1000; |
| 188 | ar71xx_eth1_data.duplex = DUPLEX_FULL; |
| 189 | ar71xx_eth1_pll_data.pll_1000 = 0x110000; |
| 190 | |
| 191 | ar71xx_add_device_eth(1); |
| 192 | |
| 193 | ar71xx_add_device_usb(); |
| 194 | |
| 195 | pb42_pci_init(); |
| 196 | |
| 197 | i2c_register_board_info(0, pb44_i2c_board_info, |
| 198 | ARRAY_SIZE(pb44_i2c_board_info)); |
| 199 | |
| 200 | platform_device_register(&pb44_i2c_gpio_device); |
| 201 | |
| 202 | spi_register_board_info(pb44_spi_info, ARRAY_SIZE(pb44_spi_info)); |
| 203 | platform_device_register(&pb44_spi_device); |
| 204 | |
| 205 | ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio), |
| 206 | pb44_leds_gpio); |
| 207 | |
| 208 | ar71xx_register_gpio_keys_polled(-1, PB44_KEYS_POLL_INTERVAL, |
| 209 | ARRAY_SIZE(pb44_gpio_keys), |
| 210 | pb44_gpio_keys); |
| 211 | } |
| 212 | |
| 213 | MIPS_MACHINE(AR71XX_MACH_PB44, "PB44", "Atheros PB44", pb44_init); |
| 214 | |
