ar71xx: add support for COMFAST CF-E320N v2 and CF-E520N/CF-E530N
[openwrt/openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-cf-e316n-v2.c
index cf3d33a55291b40d32203915237f4b27e7bdea53..d958bad3232e5f212faa8f8f3cba4c2bb7853f20 100644 (file)
@@ -1,9 +1,10 @@
 /*
- *  COMFAST CF-E316N v2
- *  by Shenzhen Four Seas Global Link Network Technology Co., Ltd
- *
- *  aka CF-E316V2, CF-E316N-V2 and CF-E316Nv2.0 (no FCC ID)
+ *  Support for COMFAST boards:
+ *  - CF-E316N v2 (AR9341)
+ *  - CF-E320N v2 (QCA9531)
+ *  - CF-E520N/CF-E530N (QCA9531)
  *
+ *  Copyright (C) 2016 Piotr Dymacz <pepe2k@gmail.com>
  *  Copyright (C) 2015 Paul Fertser <fercerpav@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify it
 #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           = 0,
+               .gpio           = CF_E316N_V2_GPIO_LED_DIAG_B,
                .active_low     = 0,
        }, {
                .name           = "cf-e316n-v2:red:diag",
-               .gpio           = 2,
+               .gpio           = CF_E316N_V2_GPIO_LED_DIAG_R,
                .active_low     = 0,
        }, {
                .name           = "cf-e316n-v2:green:diag",
-               .gpio           = 3,
+               .gpio           = CF_E316N_V2_GPIO_LED_DIAG_G,
                .active_low     = 0,
        }, {
                .name           = "cf-e316n-v2:blue:wlan",
-               .gpio           = 12,
+               .gpio           = CF_E316N_V2_GPIO_LED_WLAN,
                .active_low     = 1,
        }, {
                .name           = "cf-e316n-v2:blue:wan",
-               .gpio           = 17,
+               .gpio           = CF_E316N_V2_GPIO_LED_WAN,
                .active_low     = 1,
        }, {
                .name           = "cf-e316n-v2:blue:lan",
-               .gpio           = 19,
+               .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 = 60,
-               .gpio           = 20,
+               .debounce_interval = CF_EXXXN_KEYS_DEBOUNCE_INTERVAL,
+               .gpio           = CF_E320N_V2_GPIO_BTN_RESET,
                .active_low     = 1,
        },
 };
 
-/* There's a Pericon Technology PT7A7514 connected to GPIO 16 */
-#define EXT_WATCHDOG_GPIO      16
+/* 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 period)
+static void gpio_wdt_toggle(unsigned long gpio)
 {
        static int state;
+
        state = !state;
-       gpio_set_value(EXT_WATCHDOG_GPIO, state);
-       mod_timer(&gpio_wdt_timer, jiffies + period);
+       gpio_set_value(gpio, state);
+
+       mod_timer(&gpio_wdt_timer,
+                 jiffies + msecs_to_jiffies(CF_EXXXN_EXT_WDT_TIMEOUT_MS));
 }
 
-static void __init cf_e316n_v2_setup(void)
+static void __init cf_exxxn_common_setup(int gpio_wdt)
 {
-       u8 *maclan = (u8 *) KSEG1ADDR(0x1f010000);
-       u8 *macwlan = (u8 *) KSEG1ADDR(0x1f011002);
-       u8 *ee = (u8 *) KSEG1ADDR(0x1f011000);
-       u8 tmpmac[ETH_ALEN];
+       u8 *art = (u8 *) KSEG1ADDR(0x1f011000);
+
+       if (gpio_wdt > -1) {
+               gpio_request_one(gpio_wdt, GPIOF_OUT_INIT_HIGH,
+                                "PT7A7514 watchdog");
 
-       gpio_request(EXT_WATCHDOG_GPIO, "PT7A7514 watchdog");
-       gpio_direction_output(EXT_WATCHDOG_GPIO, 0);
-       setup_timer(&gpio_wdt_timer, gpio_wdt_toggle, msecs_to_jiffies(500));
-       gpio_wdt_toggle(msecs_to_jiffies(1));
+               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(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 */
@@ -101,32 +201,129 @@ static void __init cf_e316n_v2_setup(void)
        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, maclan, 0);
+       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, maclan, 2);
+       ath79_init_mac(ath79_eth1_data.mac_addr, mac, 2);
        ath79_register_eth(1);
 
        /* Enable 2x Skyworks SE2576L WLAN power amplifiers */
-       gpio_request(13, "RF Amp 1");
-       gpio_direction_output(13, 1);
-       gpio_request(14, "RF Amp 2");
-       gpio_direction_output(14, 1);
-       ath79_init_mac(tmpmac, macwlan, 0);
-       ath79_register_wmac(ee, tmpmac);
+       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, 20,
+       ath79_register_gpio_keys_polled(1, CF_EXXXN_KEYS_POLL_INTERVAL,
                                        ARRAY_SIZE(cf_e316n_v2_gpio_keys),
                                        cf_e316n_v2_gpio_keys);
-
-       /* J1 is a High-Speed USB port, pin 1 is Vcc */
-       ath79_register_usb();
 }
 
 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(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_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(-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(-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);