2 * ALFA Network AP96 board support
4 * Copyright (C) 2012 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/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>
19 #include <asm/mach-ar71xx/ar71xx.h>
23 #include "dev-pb42-pci.h"
24 #include "dev-gpio-buttons.h"
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
34 #define ALFA_AP96_GPIO_BUTTON_RESET 11
36 #define ALFA_AP96_KEYS_POLL_INTERVAL 20 /* msecs */
37 #define ALFA_AP96_KEYS_DEBOUNCE_INTERVAL (3 * ALFA_AP96_KEYS_POLL_INTERVAL)
39 static struct gpio_keys_button alfa_ap96_gpio_keys
[] __initdata
= {
41 .desc
= "Reset button",
44 .debounce_interval
= ALFA_AP96_KEYS_DEBOUNCE_INTERVAL
,
45 .gpio
= ALFA_AP96_GPIO_BUTTON_RESET
,
50 static int alfa_ap96_mmc_get_cd(struct device
*dev
)
52 return !gpio_get_value(ALFA_AP96_GPIO_MICROSD_CD
);
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
,
61 static struct spi_board_info alfa_ap96_spi_info
[] = {
65 .max_speed_hz
= 25000000,
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
,
77 .max_speed_hz
= 6250000,
78 .modalias
= "rtc-pcf2123",
79 .controller_data
= (void *) ALFA_AP96_GPIO_RTC_CS
,
83 static struct resource alfa_ap96_spi_resources
[] = {
85 .start
= AR71XX_SPI_BASE
,
86 .end
= AR71XX_SPI_BASE
+ AR71XX_SPI_SIZE
- 1,
87 .flags
= IORESOURCE_MEM
,
91 static struct ar71xx_spi_platform_data alfa_ap96_spi_data
= {
96 static struct platform_device alfa_ap96_spi_device
= {
99 .resource
= alfa_ap96_spi_resources
,
100 .num_resources
= ARRAY_SIZE(alfa_ap96_spi_resources
),
102 .platform_data
= &alfa_ap96_spi_data
,
106 static void __init
alfa_ap96_gpio_setup(void)
108 ar71xx_gpio_function_disable(AR71XX_GPIO_FUNC_SPI_CS1_EN
|
109 AR71XX_GPIO_FUNC_SPI_CS2_EN
);
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);
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)
123 static void __init
alfa_ap96_init(void)
125 alfa_ap96_gpio_setup();
127 ar71xx_add_device_mdio(0, ~ALFA_AP96_MDIO_PHYMASK
);
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;
134 ar71xx_add_device_eth(0);
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;
141 ar71xx_add_device_eth(1);
145 spi_register_board_info(alfa_ap96_spi_info
,
146 ARRAY_SIZE(alfa_ap96_spi_info
));
147 platform_device_register(&alfa_ap96_spi_device
);
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();
155 MIPS_MACHINE(AR71XX_MACH_ALFA_AP96
, "ALFA-AP96", "ALFA Network AP96",