ar71xx: move arch specific files to files-2.6.39
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files-2.6.39 / arch / mips / ar71xx / mach-alfa-ap96.c
1 /*
2 * ALFA Network AP96 board support
3 *
4 * Copyright (C) 2012 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/gpio.h>
14 #include <linux/platform_device.h>
15 #include <linux/mmc/host.h>
16 #include <linux/spi/spi.h>
17 #include <linux/spi/mmc_spi.h>
18
19 #include <asm/mach-ar71xx/ar71xx.h>
20
21 #include "machtype.h"
22 #include "devices.h"
23 #include "dev-pb42-pci.h"
24 #include "dev-gpio-buttons.h"
25 #include "dev-usb.h"
26
27 #define ALFA_AP96_GPIO_MICROSD_CS 0
28 #define ALFA_AP96_GPIO_RTC_CS 1
29 #define ALFA_AP96_GPIO_PCIE_RESET 2
30 #define ALFA_AP96_GPIO_SIM_DETECT 3
31 #define ALFA_AP96_GPIO_MICROSD_CD 4
32 #define ALFA_AP96_GPIO_PCIE_W_DISABLE 5
33
34 #define ALFA_AP96_GPIO_BUTTON_RESET 11
35
36 #define ALFA_AP96_KEYS_POLL_INTERVAL 20 /* msecs */
37 #define ALFA_AP96_KEYS_DEBOUNCE_INTERVAL (3 * ALFA_AP96_KEYS_POLL_INTERVAL)
38
39 static struct gpio_keys_button alfa_ap96_gpio_keys[] __initdata = {
40 {
41 .desc = "Reset button",
42 .type = EV_KEY,
43 .code = KEY_RESTART,
44 .debounce_interval = ALFA_AP96_KEYS_DEBOUNCE_INTERVAL,
45 .gpio = ALFA_AP96_GPIO_BUTTON_RESET,
46 .active_low = 1,
47 }
48 };
49
50 static int alfa_ap96_mmc_get_cd(struct device *dev)
51 {
52 return !gpio_get_value(ALFA_AP96_GPIO_MICROSD_CD);
53 }
54
55 static struct mmc_spi_platform_data alfa_ap96_mmc_data = {
56 .get_cd = alfa_ap96_mmc_get_cd,
57 .caps = MMC_CAP_NEEDS_POLL,
58 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
59 };
60
61 static struct spi_board_info alfa_ap96_spi_info[] = {
62 {
63 .bus_num = 0,
64 .chip_select = 0,
65 .max_speed_hz = 25000000,
66 .modalias = "m25p80",
67 }, {
68 .bus_num = 0,
69 .chip_select = 1,
70 .max_speed_hz = 25000000,
71 .modalias = "mmc_spi",
72 .platform_data = &alfa_ap96_mmc_data,
73 .controller_data = (void *) ALFA_AP96_GPIO_MICROSD_CS,
74 }, {
75 .bus_num = 0,
76 .chip_select = 2,
77 .max_speed_hz = 6250000,
78 .modalias = "rtc-pcf2123",
79 .controller_data = (void *) ALFA_AP96_GPIO_RTC_CS,
80 },
81 };
82
83 static struct resource alfa_ap96_spi_resources[] = {
84 [0] = {
85 .start = AR71XX_SPI_BASE,
86 .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
87 .flags = IORESOURCE_MEM,
88 },
89 };
90
91 static struct ar71xx_spi_platform_data alfa_ap96_spi_data = {
92 .bus_num = 0,
93 .num_chipselect = 3,
94 };
95
96 static struct platform_device alfa_ap96_spi_device = {
97 .name = "pb44-spi",
98 .id = -1,
99 .resource = alfa_ap96_spi_resources,
100 .num_resources = ARRAY_SIZE(alfa_ap96_spi_resources),
101 .dev = {
102 .platform_data = &alfa_ap96_spi_data,
103 },
104 };
105
106 static void __init alfa_ap96_gpio_setup(void)
107 {
108 ar71xx_gpio_function_disable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
109 AR71XX_GPIO_FUNC_SPI_CS2_EN);
110
111 gpio_request(ALFA_AP96_GPIO_MICROSD_CD, "microSD CD");
112 gpio_direction_input(ALFA_AP96_GPIO_MICROSD_CD);
113 gpio_request(ALFA_AP96_GPIO_PCIE_RESET, "PCIe reset");
114 gpio_direction_output(ALFA_AP96_GPIO_PCIE_RESET, 1);
115 gpio_request(ALFA_AP96_GPIO_PCIE_W_DISABLE, "PCIe write disable");
116 gpio_direction_output(ALFA_AP96_GPIO_PCIE_W_DISABLE, 1);
117 }
118
119 #define ALFA_AP96_WAN_PHYMASK BIT(4)
120 #define ALFA_AP96_LAN_PHYMASK BIT(5)
121 #define ALFA_AP96_MDIO_PHYMASK (ALFA_AP96_LAN_PHYMASK | ALFA_AP96_WAN_PHYMASK)
122
123 static void __init alfa_ap96_init(void)
124 {
125 alfa_ap96_gpio_setup();
126
127 ar71xx_add_device_mdio(0, ~ALFA_AP96_MDIO_PHYMASK);
128
129 ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
130 ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
131 ar71xx_eth0_data.phy_mask = ALFA_AP96_WAN_PHYMASK;
132 ar71xx_eth1_pll_data.pll_1000 = 0x110000;
133
134 ar71xx_add_device_eth(0);
135
136 ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
137 ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
138 ar71xx_eth1_data.phy_mask = ALFA_AP96_LAN_PHYMASK;
139 ar71xx_eth1_pll_data.pll_1000 = 0x110000;
140
141 ar71xx_add_device_eth(1);
142
143 pb42_pci_init();
144
145 spi_register_board_info(alfa_ap96_spi_info,
146 ARRAY_SIZE(alfa_ap96_spi_info));
147 platform_device_register(&alfa_ap96_spi_device);
148
149 ar71xx_register_gpio_keys_polled(-1, ALFA_AP96_KEYS_POLL_INTERVAL,
150 ARRAY_SIZE(alfa_ap96_gpio_keys),
151 alfa_ap96_gpio_keys);
152 ar71xx_add_device_usb();
153 }
154
155 MIPS_MACHINE(AR71XX_MACH_ALFA_AP96, "ALFA-AP96", "ALFA Network AP96",
156 alfa_ap96_init);