diff options
Diffstat (limited to 'target/linux/ar71xx/files/arch/mips/ath79/mach-alfa-ap96.c')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-alfa-ap96.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-alfa-ap96.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-alfa-ap96.c new file mode 100644 index 000000000..15abb081f --- /dev/null +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-alfa-ap96.c @@ -0,0 +1,154 @@ +/* + * ALFA Network AP96 board support + * + * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/bitops.h> +#include <linux/gpio.h> +#include <linux/platform_device.h> +#include <linux/mmc/host.h> +#include <linux/spi/spi.h> +#include <linux/spi/mmc_spi.h> + +#include <asm/mach-ath79/ath79.h> +#include <asm/mach-ath79/ar71xx_regs.h> + +#include "common.h" +#include "dev-eth.h" +#include "dev-gpio-buttons.h" +#include "dev-spi.h" +#include "dev-usb.h" +#include "machtypes.h" +#include "pci.h" + +#define ALFA_AP96_GPIO_PCIE_RESET 2 +#define ALFA_AP96_GPIO_SIM_DETECT 3 +#define ALFA_AP96_GPIO_MICROSD_CD 4 +#define ALFA_AP96_GPIO_PCIE_W_DISABLE 5 + +#define ALFA_AP96_GPIO_BUTTON_RESET 11 + +#define ALFA_AP96_KEYS_POLL_INTERVAL 20 /* msecs */ +#define ALFA_AP96_KEYS_DEBOUNCE_INTERVAL (3 * ALFA_AP96_KEYS_POLL_INTERVAL) + +static struct gpio_keys_button alfa_ap96_gpio_keys[] __initdata = { + { + .desc = "Reset button", + .type = EV_KEY, + .code = KEY_RESTART, + .debounce_interval = ALFA_AP96_KEYS_DEBOUNCE_INTERVAL, + .gpio = ALFA_AP96_GPIO_BUTTON_RESET, + .active_low = 1, + } +}; + +static int alfa_ap96_mmc_get_cd(struct device *dev) +{ + return !gpio_get_value(ALFA_AP96_GPIO_MICROSD_CD); +} + +static struct mmc_spi_platform_data alfa_ap96_mmc_data = { + .get_cd = alfa_ap96_mmc_get_cd, + .caps = MMC_CAP_NEEDS_POLL, + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, +}; + +static struct ath79_spi_controller_data ap96_spi0_cdata = { + .cs_type = ATH79_SPI_CS_TYPE_INTERNAL, + .cs_line = 0, + .is_flash = true, +}; + +static struct ath79_spi_controller_data ap96_spi1_cdata = { + .cs_type = ATH79_SPI_CS_TYPE_INTERNAL, + .cs_line = 1, +}; + +static struct ath79_spi_controller_data ap96_spi2_cdata = { + .cs_type = ATH79_SPI_CS_TYPE_INTERNAL, + .cs_line = 2, +}; + +static struct spi_board_info alfa_ap96_spi_info[] = { + { + .bus_num = 0, + .chip_select = 0, + .max_speed_hz = 25000000, + .modalias = "m25p80", + .controller_data = &ap96_spi0_cdata + }, { + .bus_num = 0, + .chip_select = 1, + .max_speed_hz = 25000000, + .modalias = "mmc_spi", + .platform_data = &alfa_ap96_mmc_data, + .controller_data = &ap96_spi1_cdata + }, { + .bus_num = 0, + .chip_select = 2, + .max_speed_hz = 6250000, + .modalias = "rtc-pcf2123", + .controller_data = &ap96_spi2_cdata + }, +}; + +static struct ath79_spi_platform_data alfa_ap96_spi_data = { + .bus_num = 0, + .num_chipselect = 3, +}; + +static void __init alfa_ap96_gpio_setup(void) +{ + ath79_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN | + AR71XX_GPIO_FUNC_SPI_CS2_EN); + + gpio_request(ALFA_AP96_GPIO_MICROSD_CD, "microSD CD"); + gpio_direction_input(ALFA_AP96_GPIO_MICROSD_CD); + gpio_request(ALFA_AP96_GPIO_PCIE_RESET, "PCIe reset"); + gpio_direction_output(ALFA_AP96_GPIO_PCIE_RESET, 1); + gpio_request(ALFA_AP96_GPIO_PCIE_W_DISABLE, "PCIe write disable"); + gpio_direction_output(ALFA_AP96_GPIO_PCIE_W_DISABLE, 1); +} + +#define ALFA_AP96_WAN_PHYMASK BIT(4) +#define ALFA_AP96_LAN_PHYMASK BIT(5) +#define ALFA_AP96_MDIO_PHYMASK (ALFA_AP96_LAN_PHYMASK | ALFA_AP96_WAN_PHYMASK) + +static void __init alfa_ap96_init(void) +{ + alfa_ap96_gpio_setup(); + + ath79_register_mdio(0, ~ALFA_AP96_MDIO_PHYMASK); + + ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0); + ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; + ath79_eth0_data.phy_mask = ALFA_AP96_WAN_PHYMASK; + ath79_eth1_pll_data.pll_1000 = 0x110000; + + ath79_register_eth(0); + + ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 1); + ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; + ath79_eth1_data.phy_mask = ALFA_AP96_LAN_PHYMASK; + ath79_eth1_pll_data.pll_1000 = 0x110000; + + ath79_register_eth(1); + + ath79_register_pci(); + ath79_register_spi(&alfa_ap96_spi_data, alfa_ap96_spi_info, + ARRAY_SIZE(alfa_ap96_spi_info)); + + ath79_register_gpio_keys_polled(-1, ALFA_AP96_KEYS_POLL_INTERVAL, + ARRAY_SIZE(alfa_ap96_gpio_keys), + alfa_ap96_gpio_keys); + ath79_register_usb(); +} + +MIPS_MACHINE(ATH79_MACH_ALFA_AP96, "ALFA-AP96", "ALFA Network AP96", + alfa_ap96_init); |