ar71xx: WNR2200: enable control of all LEDs and buttons
authorJohn Crispin <john@openwrt.org>
Fri, 1 Apr 2016 07:11:34 +0000 (07:11 +0000)
committerJohn Crispin <john@openwrt.org>
Fri, 1 Apr 2016 07:11:34 +0000 (07:11 +0000)
This patch provides full GPIO support for WNR2200 (LEDs and buttons).
It exposes all LEDs to operating system, including Ethernet ones.

Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>
SVN-Revision: 49101

target/linux/ar71xx/base-files/etc/board.d/01_leds
target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2200.c

index 4537046..708ebb9 100755 (executable)
@@ -711,6 +711,21 @@ wnr2000-v4)
        ucidef_set_led_usbdev "usb" "USB" "netgear:amber:status" "1-1"
        ;;
 
+wnr2200)
+       ucidef_set_led_netdev "wan-amber" "WAN (amber)" "netgear:amber:wan" "eth0"
+       ucidef_set_led_default "wan-green" "WAN (green)" "netgear:green:wan" "0"
+       ucidef_set_led_netdev "wlan" "WLAN" "netgear:blue:wlan" "wlan0"
+       ucidef_set_led_switch "lan1green" "LAN1 (green)" "netgear:green:lan1" "switch0" "0x02" "0x04"
+       ucidef_set_led_switch "lan2green" "LAN2 (green)" "netgear:green:lan2" "switch0" "0x04" "0x04"
+       ucidef_set_led_switch "lan3green" "LAN3 (green)" "netgear:green:lan3" "switch0" "0x08" "0x04"
+       ucidef_set_led_switch "lan4green" "LAN4 (green)" "netgear:green:lan4" "switch0" "0x10" "0x04"
+       ucidef_set_led_switch "lan1amber" "LAN1 (amber)" "netgear:amber:lan1" "switch0" "0x02" "0x02"
+       ucidef_set_led_switch "lan2amber" "LAN2 (amber)" "netgear:amber:lan2" "switch0" "0x04" "0x02"
+       ucidef_set_led_switch "lan3amber" "LAN3 (amber)" "netgear:amber:lan3" "switch0" "0x08" "0x02"
+       ucidef_set_led_switch "lan4amber" "LAN4 (amber)" "netgear:amber:lan4" "switch0" "0x10" "0x02"
+       ucidef_set_led_usbdev "usb" "USB" "netgear:green:usb" "1-1"
+       ;;
+
 wnr612-v2)
        ucidef_set_led_netdev "wan" "WAN" "netgear:green:wan" "eth0"
        ucidef_set_led_netdev "wlan" "WLAN" "netgear:green:wlan" "wlan0"
index 37ffc4c..258d254 100644 (file)
@@ -15,6 +15,8 @@
 #include <linux/kernel.h> /* for max() macro */
 
 #include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/ar71xx_regs.h> /* needed to disable switch LEDs */
+#include "common.h" /* needed to disable switch LEDs */
 
 #include "dev-ap9x-pci.h"
 #include "dev-eth.h"
 #include "dev-usb.h"
 #include "machtypes.h"
 
+/* WNR2200 - connected through AR7241 */
 #define WNR2200_GPIO_LED_LAN2_AMBER    0
 #define WNR2200_GPIO_LED_LAN4_AMBER    1
-#define WNR2200_GPIO_LED_WPS           5
-#define WNR2200_GPIO_LED_WAN_GREEN     7
-#define WNR2200_GPIO_LED_USB           8
+#define WNR2200_GPIO_LED_LAN1_AMBER    6 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
+#define WNR2200_GPIO_LED_WPS_GREEN     7 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
+#define WNR2200_GPIO_LED_USB_GREEN     8 /* AR724X_GPIO_FUNC_JTAG_DISABLE */
 #define WNR2200_GPIO_LED_LAN3_AMBER    11
 #define WNR2200_GPIO_LED_WAN_AMBER     12
-#define WNR2200_GPIO_LED_LAN1_GREEN    13
-#define WNR2200_GPIO_LED_LAN2_GREEN    14
-#define WNR2200_GPIO_LED_LAN3_GREEN    15
-#define WNR2200_GPIO_LED_LAN4_GREEN    16
-#define WNR2200_GPIO_LED_PWR_AMBER     21
-#define WNR2200_GPIO_LED_PWR_GREEN     22
-#define WNR2200_GPIO_USB_5V            4
-#define WNR2200_GPIO_USB_POWER         24
+#define WNR2200_GPIO_LED_LAN1_GREEN    13 /* AR724X_..._ETH_SWITCH_LED0 */
+#define WNR2200_GPIO_LED_LAN2_GREEN    14 /* AR724X_..._ETH_SWITCH_LED1 */
+#define WNR2200_GPIO_LED_LAN3_GREEN    15 /* AR724X_..._ETH_SWITCH_LED2 */
+#define WNR2200_GPIO_LED_LAN4_GREEN    16 /* AR724X_..._ETH_SWITCH_LED3 */
+#define WNR2200_GPIO_LED_WAN_GREEN     17 /* AR724X_..._ETH_SWITCH_LED4 */
+
+/* WNR2200 - connected through AR9287 */
+#define WNR2200_GPIO_WMAC_LED_WLAN_BLUE                0
+#define WNR2200_GPIO_WMAC_LED_TEST_AMBER       1
+#define WNR2200_GPIO_WMAC_LED_POWER_GREEN      2
+#define WNR2200_GPIO_WMAC_BTN_RFKILL           3
+#define WNR2200_GPIO_WMAC_USB_5V               4
+#define WNR2200_GPIO_WMAC_BTN_WPS              5
+#define WNR2200_GPIO_WMAC_BTN_RESET            6
 
 #define WNR2200_KEYS_POLL_INTERVAL     20 /* msecs */
 #define WNR2200_KEYS_DEBOUNCE_INTERVAL (3 * WNR2200_KEYS_POLL_INTERVAL)
 
 static struct gpio_led wnr2200_leds_gpio[] __initdata = {
        {
-               .name           = "netgear:amber:lan2",
-               .gpio           = WNR2200_GPIO_LED_LAN2_AMBER,
-               .active_low     = 1,
-       }, {
-               .name           = "netgear:amber:lan4",
-               .gpio           = WNR2200_GPIO_LED_LAN4_AMBER,
-               .active_low     = 1,
-       }, {
-               .name           = "netgear:green:wps",
-               .gpio           = WNR2200_GPIO_LED_WPS,
-               .active_low     = 1,
-       }, {
-               .name           = "netgear:green:wan",
-               .gpio           = WNR2200_GPIO_LED_WAN_GREEN,
+               .name           = "netgear:amber:lan1",
+               .gpio           = WNR2200_GPIO_LED_LAN1_AMBER,
                .active_low     = 1,
        }, {
-               .name           = "netgear:green:usb",
-               .gpio           = WNR2200_GPIO_LED_USB,
+               .name           = "netgear:amber:lan2",
+               .gpio           = WNR2200_GPIO_LED_LAN2_AMBER,
                .active_low     = 1,
        }, {
                .name           = "netgear:amber:lan3",
                .gpio           = WNR2200_GPIO_LED_LAN3_AMBER,
                .active_low     = 1,
+       }, {
+               .name           = "netgear:amber:lan4",
+               .gpio           = WNR2200_GPIO_LED_LAN4_AMBER,
+               .active_low     = 1,
        }, {
                .name           = "netgear:amber:wan",
                .gpio           = WNR2200_GPIO_LED_WAN_AMBER,
@@ -94,12 +95,56 @@ static struct gpio_led wnr2200_leds_gpio[] __initdata = {
                .gpio           = WNR2200_GPIO_LED_LAN4_GREEN,
                .active_low     = 1,
        }, {
-               .name           = "netgear:amber:power",
-               .gpio           = WNR2200_GPIO_LED_PWR_AMBER,
+               .name           = "netgear:green:usb",
+               .gpio           = WNR2200_GPIO_LED_USB_GREEN,
+               .active_low     = 1,
+       }, {
+               .name           = "netgear:green:wan",
+               .gpio           = WNR2200_GPIO_LED_WAN_GREEN,
+               .active_low     = 1,
+       }, {
+               .name           = "netgear:green:wps",
+               .gpio           = WNR2200_GPIO_LED_WPS_GREEN,
+               .active_low     = 1,
+       }
+};
+
+static const char *wnr2200_wmac_led_name = "netgear:blue:wlan";
+
+static struct gpio_led wnr2200_wmac_leds_gpio[] = {
+       {
+               .name           = "netgear:amber:test",
+               .gpio           = WNR2200_GPIO_WMAC_LED_TEST_AMBER,
                .active_low     = 1,
        }, {
                .name           = "netgear:green:power",
-               .gpio           = WNR2200_GPIO_LED_PWR_GREEN,
+               .gpio           = WNR2200_GPIO_WMAC_LED_POWER_GREEN,
+               .active_low     = 1,
+               .default_state  = LEDS_GPIO_DEFSTATE_ON,
+       }
+};
+
+static struct gpio_keys_button wnr2200_wmac_keys_gpio[] = {
+       {
+               .desc           = "reset",
+               .type           = EV_KEY,
+               .code           = KEY_RESTART,
+               .debounce_interval = WNR2200_KEYS_DEBOUNCE_INTERVAL,
+               .gpio           = WNR2200_GPIO_WMAC_BTN_RESET,
+               .active_low     = 1,
+       }, {
+               .desc           = "rfkill",
+               .type           = EV_KEY,
+               .code           = KEY_RFKILL,
+               .debounce_interval = WNR2200_KEYS_DEBOUNCE_INTERVAL,
+               .gpio           = WNR2200_GPIO_WMAC_BTN_RFKILL,
+               .active_low     = 1,
+       }, {
+               .desc           = "wps",
+               .type           = EV_KEY,
+               .code           = KEY_WPS_BUTTON,
+               .debounce_interval = WNR2200_KEYS_DEBOUNCE_INTERVAL,
+               .gpio           = WNR2200_GPIO_WMAC_BTN_WPS,
                .active_low     = 1,
        }
 };
@@ -139,14 +184,32 @@ static void __init wnr2200_setup(void)
        u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
        u8 wlan_mac_addr[6];
 
+       /*
+        * Disable JTAG to use all AR724X GPIO LEDs. Disable CLKs.
+        * Allow OS to control all link LEDs.
+        */
+       ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE |
+                                 AR724X_GPIO_FUNC_UART_EN,
+                                 AR724X_GPIO_FUNC_CLK_OBS1_EN |
+                                 AR724X_GPIO_FUNC_CLK_OBS2_EN |
+                                 AR724X_GPIO_FUNC_CLK_OBS3_EN |
+                                 AR724X_GPIO_FUNC_CLK_OBS4_EN |
+                                 AR724X_GPIO_FUNC_CLK_OBS5_EN |
+                                 AR724X_GPIO_FUNC_GE0_MII_CLK_EN |
+                                 AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
+                                 AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
+                                 AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
+                                 AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
+                                 AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
+
        ath79_register_mdio(0, 0x0);
 
-       ath79_init_mac(ath79_eth0_data.mac_addr, art+WNR2200_MAC0_OFFSET, 0);
+       ath79_init_mac(ath79_eth0_data.mac_addr, art + WNR2200_MAC0_OFFSET, 0);
        ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
        ath79_eth0_data.speed = SPEED_100;
        ath79_eth0_data.duplex = DUPLEX_FULL;
 
-       ath79_init_mac(ath79_eth1_data.mac_addr, art+WNR2200_MAC1_OFFSET, 0);
+       ath79_init_mac(ath79_eth1_data.mac_addr, art + WNR2200_MAC1_OFFSET, 0);
        ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RMII;
        ath79_eth1_data.phy_mask = 0x10;
 
@@ -160,12 +223,22 @@ static void __init wnr2200_setup(void)
        ap91_pci_init(art + WNR2200_PCIE_CALDATA_OFFSET, wlan_mac_addr);
 
        ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2200_leds_gpio),
-                                       wnr2200_leds_gpio);
+                                wnr2200_leds_gpio);
+
+       ap9x_pci_setup_wmac_led_pin(0, WNR2200_GPIO_WMAC_LED_WLAN_BLUE);
+       ap9x_pci_setup_wmac_led_name(0, wnr2200_wmac_led_name);
+
+       ap9x_pci_setup_wmac_leds(0, wnr2200_wmac_leds_gpio,
+                                ARRAY_SIZE(wnr2200_wmac_leds_gpio));
+
+       /* All 3 buttons are connected to wireless chip */
+       ap9x_pci_setup_wmac_btns(0, wnr2200_wmac_keys_gpio,
+                                ARRAY_SIZE(wnr2200_wmac_keys_gpio),
+                                WNR2200_KEYS_POLL_INTERVAL);
 
        /* enable power for the USB port */
-       ap9x_pci_setup_wmac_gpio(0,
-               BIT(WNR2200_GPIO_USB_5V),
-               BIT(WNR2200_GPIO_USB_5V));
+       ap9x_pci_setup_wmac_gpio(0, BIT(WNR2200_GPIO_WMAC_USB_5V),
+                                BIT(WNR2200_GPIO_WMAC_USB_5V));
 
        ath79_register_usb();
 }