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/*
* Support for COMFAST boards:
* - CF-E316N v2 (AR9341)
* - CF-E320N v2 (QCA9531)
* - CF-E355AC (QCA9531)
* - CF-E380AC v1/v2 (QCA9558)
* - CF-E520N/CF-E530N (QCA9531)
*
* Copyright (C) 2016 Piotr Dymacz <pepe2k@gmail.com>
* Copyright (C) 2016 Gareth Parker <gareth41@orcon.net.nz>
* Copyright (C) 2015 Paul Fertser <fercerpav@gmail.com>
*
* 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/gpio.h>
#include <linux/platform_data/phy-at803x.h>
#include <linux/platform_device.h>
#include <linux/timer.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-ap9x-pci.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-wmac.h"
#include "dev-usb.h"
#include "machtypes.h"
#define CF_EXXXN_KEYS_POLL_INTERVAL 20
#define CF_EXXXN_KEYS_DEBOUNCE_INTERVAL (3 * CF_EXXXN_KEYS_POLL_INTERVAL)
/* CF-E316N v2 */
#define CF_E316N_V2_GPIO_LED_DIAG_B 0
#define CF_E316N_V2_GPIO_LED_DIAG_R 2
#define CF_E316N_V2_GPIO_LED_DIAG_G 3
#define CF_E316N_V2_GPIO_LED_WLAN 12
#define CF_E316N_V2_GPIO_LED_WAN 17
#define CF_E316N_V2_GPIO_LED_LAN 19
#define CF_E316N_V2_GPIO_EXT_WDT 16
#define CF_E316N_V2_GPIO_EXTERNAL_PA0 13
#define CF_E316N_V2_GPIO_EXTERNAL_PA1 14
#define CF_E316N_V2_GPIO_BTN_RESET 20
static struct gpio_led cf_e316n_v2_leds_gpio[] __initdata = {
{
.name = "cf-e316n-v2:blue:diag",
.gpio = CF_E316N_V2_GPIO_LED_DIAG_B,
.active_low = 0,
}, {
.name = "cf-e316n-v2:red:diag",
.gpio = CF_E316N_V2_GPIO_LED_DIAG_R,
.active_low = 0,
}, {
.name = "cf-e316n-v2:green:diag",
.gpio = CF_E316N_V2_GPIO_LED_DIAG_G,
.active_low = 0,
}, {
.name = "cf-e316n-v2:blue:wlan",
.gpio = CF_E316N_V2_GPIO_LED_WLAN,
.active_low = 1,
}, {
.name = "cf-e316n-v2:blue:wan",
.gpio = CF_E316N_V2_GPIO_LED_WAN,
.active_low = 1,
}, {
.name = "cf-e316n-v2:blue:lan",
.gpio = CF_E316N_V2_GPIO_LED_LAN,
.active_low = 1,
},
};
static struct gpio_keys_button cf_e316n_v2_gpio_keys[] __initdata = {
{
.desc = "reset",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
.gpio = CF_E316N_V2_GPIO_BTN_RESET,
.active_low = 1,
},
};
/* CF-E320N v2 */
#define CF_E320N_V2_GPIO_LED_WLAN 0
#define CF_E320N_V2_GPIO_LED_WAN 2
#define CF_E320N_V2_GPIO_LED_LAN 3
#define CF_E320N_V2_GPIO_HEADER_J9_1 14
#define CF_E320N_V2_GPIO_HEADER_J9_2 12
#define CF_E320N_V2_GPIO_HEADER_J9_3 11
#define CF_E320N_V2_GPIO_HEADER_J9_4 16
#define CF_E320N_V2_GPIO_EXT_WDT 13
#define CF_E320N_V2_GPIO_BTN_RESET 17
static struct gpio_led cf_e320n_v2_leds_gpio[] __initdata = {
{
.name = "cf-e320n-v2:green:lan",
.gpio = CF_E320N_V2_GPIO_LED_LAN,
.active_low = 0,
}, {
.name = "cf-e320n-v2:red:wan",
.gpio = CF_E320N_V2_GPIO_LED_WAN,
.active_low = 0,
}, {
.name = "cf-e320n-v2:blue:wlan",
.gpio = CF_E320N_V2_GPIO_LED_WLAN,
.active_low = 0,
},
};
static struct gpio_keys_button cf_e320n_v2_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
.gpio = CF_E320N_V2_GPIO_BTN_RESET,
.active_low = 1,
},
};
/* CF-E355AC */
#define CF_E355AC_GPIO_LED_LAN 3
#define CF_E355AC_GPIO_LED_WLAN2G 0
#define CF_E355AC_GPIO_LED_WLAN5G 2
#define CF_E355AC_GPIO_EXT_WDT 13
#define CF_E355AC_GPIO_BTN_RESET 17
static struct gpio_led cf_e355ac_leds_gpio[] __initdata = {
{
.name = "cf-e355ac:green:lan",
.gpio = CF_E355AC_GPIO_LED_LAN,
.active_low = 0,
}, {
.name = "cf-e355ac:blue:wlan2g",
.gpio = CF_E355AC_GPIO_LED_WLAN2G,
.active_low = 0,
}, {
.name = "cf-e355ac:red:wlan5g",
.gpio = CF_E355AC_GPIO_LED_WLAN5G,
.active_low = 0,
},
};
static struct gpio_keys_button cf_e355ac_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
.gpio = CF_E355AC_GPIO_BTN_RESET,
.active_low = 1,
},
};
/* CF-E380AC v1/v2 */
#define CF_E380AC_V1V2_GPIO_LED_LAN 0
#define CF_E380AC_V1V2_GPIO_LED_WLAN2G 2
#define CF_E380AC_V1V2_GPIO_LED_WLAN5G 3
#define CF_E380AC_V1V2_GPIO_EXT_WDT 17
#define CF_E380AC_V1V2_GPIO_BTN_RESET 19
static struct gpio_led cf_e380ac_v1_leds_gpio[] __initdata = {
{
.name = "cf-e380ac-v1:green:lan",
.gpio = CF_E380AC_V1V2_GPIO_LED_LAN,
.active_low = 0,
}, {
.name = "cf-e380ac-v1:blue:wlan2g",
.gpio = CF_E380AC_V1V2_GPIO_LED_WLAN2G,
.active_low = 0,
}, {
.name = "cf-e380ac-v1:red:wlan5g",
.gpio = CF_E380AC_V1V2_GPIO_LED_WLAN5G,
.active_low = 0,
},
};
static struct gpio_led cf_e380ac_v2_leds_gpio[] __initdata = {
{
.name = "cf-e380ac-v2:green:lan",
.gpio = CF_E380AC_V1V2_GPIO_LED_LAN,
.active_low = 0,
}, {
.name = "cf-e380ac-v2:blue:wlan2g",
.gpio = CF_E380AC_V1V2_GPIO_LED_WLAN2G,
.active_low = 0,
}, {
.name = "cf-e380ac-v2:red:wlan5g",
.gpio = CF_E380AC_V1V2_GPIO_LED_WLAN5G,
.active_low = 0,
},
};
static struct gpio_keys_button cf_e380ac_v1v2_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
.gpio = CF_E380AC_V1V2_GPIO_BTN_RESET,
.active_low = 1,
},
};
static struct at803x_platform_data cf_e380ac_v1v2_at803x_data = {
.disable_smarteee = 1,
};
static struct mdio_board_info cf_e380ac_v1v2_mdio0_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.phy_addr = 0,
.platform_data = &cf_e380ac_v1v2_at803x_data,
},
};
/* CF-E520N/CF-E530N */
#define CF_E5X0N_GPIO_LED_WAN 11
#define CF_E5X0N_GPIO_BTN_RESET 17
static struct gpio_led cf_e520n_leds_gpio[] __initdata = {
{
.name = "cf-e520n:blue:wan",
.gpio = CF_E5X0N_GPIO_LED_WAN,
.active_low = 1,
}
};
static struct gpio_led cf_e530n_leds_gpio[] __initdata = {
{
.name = "cf-e530n:blue:wan",
.gpio = CF_E5X0N_GPIO_LED_WAN,
.active_low = 1,
}
};
/*
* Some COMFAST devices include external hardware watchdog chip,
* Pericon Technology PT7A7514, connected to a selected GPIO
* and WiSoC RESET_L input. Watchdog time-out is ~1.6 s.
*/
#define CF_EXXXN_EXT_WDT_TIMEOUT_MS 500
static struct timer_list gpio_wdt_timer;
static void gpio_wdt_toggle(unsigned long gpio)
{
static int state;
state = !state;
gpio_set_value(gpio, state);
mod_timer(&gpio_wdt_timer,
jiffies + msecs_to_jiffies(CF_EXXXN_EXT_WDT_TIMEOUT_MS));
}
static void __init cf_exxxn_common_setup(unsigned long art_ofs, int gpio_wdt)
{
u8 *art = (u8 *) KSEG1ADDR(0x1f001000 + art_ofs);
if (gpio_wdt > -1) {
gpio_request_one(gpio_wdt, GPIOF_OUT_INIT_HIGH,
"PT7A7514 watchdog");
setup_timer(&gpio_wdt_timer, gpio_wdt_toggle, gpio_wdt);
gpio_wdt_toggle(gpio_wdt);
}
ath79_register_m25p80(NULL);
ath79_register_wmac(art, NULL);
ath79_register_usb();
}
static void __init cf_e316n_v2_setup(void)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1f010000);
cf_exxxn_common_setup(0x10000, CF_E316N_V2_GPIO_EXT_WDT);
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
ath79_register_mdio(1, 0x0);
/* GMAC0 is connected to the PHY0 of the internal switch */
ath79_switch_data.phy4_mii_en = 1;
ath79_switch_data.phy_poll_mask = BIT(0);
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ath79_eth0_data.phy_mask = BIT(0);
ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
ath79_register_eth(0);
/* GMAC1 is connected to the internal switch */
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
ath79_init_mac(ath79_eth1_data.mac_addr, mac, 2);
ath79_register_eth(1);
/* Enable 2x Skyworks SE2576L WLAN power amplifiers */
gpio_request_one(CF_E316N_V2_GPIO_EXTERNAL_PA0, GPIOF_OUT_INIT_HIGH,
"WLAN PA0");
gpio_request_one(CF_E316N_V2_GPIO_EXTERNAL_PA1, GPIOF_OUT_INIT_HIGH,
"WLAN PA1");
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e316n_v2_leds_gpio),
cf_e316n_v2_leds_gpio);
ath79_register_gpio_keys_polled(1, CF_EXXXN_KEYS_POLL_INTERVAL,
ARRAY_SIZE(cf_e316n_v2_gpio_keys),
cf_e316n_v2_gpio_keys);
}
MIPS_MACHINE(ATH79_MACH_CF_E316N_V2, "CF-E316N-V2", "COMFAST CF-E316N v2",
cf_e316n_v2_setup);
static void __init cf_exxxn_qca953x_eth_setup(void)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1f010000);
ath79_setup_ar933x_phy4_switch(false, false);
ath79_register_mdio(0, 0x0);
ath79_switch_data.phy4_mii_en = 1;
ath79_switch_data.phy_poll_mask |= BIT(4);
/* LAN */
ath79_eth1_data.duplex = DUPLEX_FULL;
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
ath79_eth1_data.speed = SPEED_1000;
ath79_init_mac(ath79_eth1_data.mac_addr, mac, 2);
ath79_register_eth(1);
/* WAN */
ath79_eth0_data.duplex = DUPLEX_FULL;
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ath79_eth0_data.speed = SPEED_100;
ath79_eth0_data.phy_mask = BIT(4);
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
ath79_register_eth(0);
}
static void __init cf_e320n_v2_setup(void)
{
cf_exxxn_common_setup(0x10000, CF_E320N_V2_GPIO_EXT_WDT);
cf_exxxn_qca953x_eth_setup();
/* Disable JTAG (enables GPIO0-3) */
ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
ath79_gpio_direction_select(CF_E320N_V2_GPIO_LED_LAN, true);
ath79_gpio_direction_select(CF_E320N_V2_GPIO_LED_WAN, true);
ath79_gpio_direction_select(CF_E320N_V2_GPIO_LED_WLAN, true);
ath79_gpio_output_select(CF_E320N_V2_GPIO_LED_LAN, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_LED_WAN, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_LED_WLAN, 0);
/* Enable GPIO function for GPIOs in J9 header */
ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_1, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_2, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_3, 0);
ath79_gpio_output_select(CF_E320N_V2_GPIO_HEADER_J9_4, 0);
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e320n_v2_leds_gpio),
cf_e320n_v2_leds_gpio);
ath79_register_gpio_keys_polled(-1, CF_EXXXN_KEYS_POLL_INTERVAL,
ARRAY_SIZE(cf_e320n_v2_gpio_keys),
cf_e320n_v2_gpio_keys);
}
MIPS_MACHINE(ATH79_MACH_CF_E320N_V2, "CF-E320N-V2", "COMFAST CF-E320N v2",
cf_e320n_v2_setup);
static void __init cf_e355ac_setup(void)
{
u8 *art = (u8 *) KSEG1ADDR(0x1f010000);
/* Disable JTAG, enabling GPIOs 0-3 */
ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE, 0);
cf_exxxn_common_setup(0x10000, CF_E355AC_GPIO_EXT_WDT);
cf_exxxn_qca953x_eth_setup();
ath79_gpio_output_select(CF_E355AC_GPIO_LED_LAN, 0);
ath79_gpio_output_select(CF_E355AC_GPIO_LED_WLAN2G, 0);
ath79_gpio_output_select(CF_E355AC_GPIO_LED_WLAN5G, 0);
ap91_pci_init(art + 0x5000, NULL);
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e355ac_leds_gpio),
cf_e355ac_leds_gpio);
ath79_register_gpio_keys_polled(1, CF_EXXXN_KEYS_POLL_INTERVAL,
ARRAY_SIZE(cf_e355ac_gpio_keys),
cf_e355ac_gpio_keys);
}
MIPS_MACHINE(ATH79_MACH_CF_E355AC, "CF-E355AC", "COMFAST CF-E355AC",
cf_e355ac_setup);
static void __init cf_e380ac_v1v2_common_setup(unsigned long art_ofs)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1f000000 + art_ofs);
cf_exxxn_common_setup(art_ofs, CF_E380AC_V1V2_GPIO_EXT_WDT);
ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN);
ath79_register_mdio(0, 0x0);
mdiobus_register_board_info(cf_e380ac_v1v2_mdio0_info,
ARRAY_SIZE(cf_e380ac_v1v2_mdio0_info));
/* LAN */
ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.phy_mask = BIT(0);
ath79_eth0_pll_data.pll_1000 = 0xbe000000;
ath79_eth0_pll_data.pll_100 = 0xb0000101;
ath79_eth0_pll_data.pll_10 = 0xb0001313;
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
ath79_register_eth(0);
ap91_pci_init(mac + 0x5000, NULL);
/* Disable JTAG (enables GPIO0-3) */
ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
ath79_gpio_direction_select(CF_E380AC_V1V2_GPIO_LED_LAN, true);
ath79_gpio_direction_select(CF_E380AC_V1V2_GPIO_LED_WLAN2G, true);
ath79_gpio_direction_select(CF_E380AC_V1V2_GPIO_LED_WLAN5G, true);
ath79_gpio_output_select(CF_E380AC_V1V2_GPIO_LED_LAN, 0);
ath79_gpio_output_select(CF_E380AC_V1V2_GPIO_LED_WLAN2G, 0);
ath79_gpio_output_select(CF_E380AC_V1V2_GPIO_LED_WLAN5G, 0);
/* For J7-4 */
ath79_gpio_function_disable(AR934X_GPIO_FUNC_CLK_OBS4_EN);
ath79_register_gpio_keys_polled(-1, CF_EXXXN_KEYS_POLL_INTERVAL,
ARRAY_SIZE(cf_e380ac_v1v2_gpio_keys),
cf_e380ac_v1v2_gpio_keys);
}
static void __init cf_e380ac_v1_setup(void)
{
cf_e380ac_v1v2_common_setup(0x20000);
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e380ac_v1_leds_gpio),
cf_e380ac_v1_leds_gpio);
}
MIPS_MACHINE(ATH79_MACH_CF_E380AC_V1, "CF-E380AC-V1", "COMFAST CF-E380AC v1",
cf_e380ac_v1_setup);
static void __init cf_e380ac_v2_setup(void)
{
cf_e380ac_v1v2_common_setup(0x40000);
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e380ac_v2_leds_gpio),
cf_e380ac_v2_leds_gpio);
}
MIPS_MACHINE(ATH79_MACH_CF_E380AC_V2, "CF-E380AC-V2", "COMFAST CF-E380AC v2",
cf_e380ac_v2_setup);
static void __init cf_e5x0n_gpio_setup(void)
{
ath79_gpio_direction_select(CF_E5X0N_GPIO_LED_WAN, true);
ath79_gpio_output_select(CF_E5X0N_GPIO_LED_WAN, 0);
ath79_register_gpio_keys_polled(-1, CF_EXXXN_KEYS_POLL_INTERVAL,
ARRAY_SIZE(cf_e320n_v2_gpio_keys),
cf_e320n_v2_gpio_keys);
}
static void __init cf_e520n_setup(void)
{
cf_exxxn_common_setup(0x10000, -1);
cf_exxxn_qca953x_eth_setup();
cf_e5x0n_gpio_setup();
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e520n_leds_gpio),
cf_e520n_leds_gpio);
}
MIPS_MACHINE(ATH79_MACH_CF_E520N, "CF-E520N", "COMFAST CF-E520N",
cf_e520n_setup);
static void __init cf_e530n_setup(void)
{
cf_exxxn_common_setup(0x10000, -1);
cf_exxxn_qca953x_eth_setup();
cf_e5x0n_gpio_setup();
ath79_register_leds_gpio(-1, ARRAY_SIZE(cf_e530n_leds_gpio),
cf_e530n_leds_gpio);
}
MIPS_MACHINE(ATH79_MACH_CF_E530N, "CF-E530N", "COMFAST CF-E530N",
cf_e530n_setup);