Initial support for the Ubiquiti Networks XM board (rev 1.0).

Signed-off-by: Rene Bolldorf <xsecute@googlemail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/3020/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

4 files changed, 132 insertions, 0 deletions

diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index 4a7e0e871e90..195813f56610 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -36,6 +36,16 @@ config ATH79_MACH_PB44
           Say 'Y' here if you want your kernel to support the
           Atheros PB44 reference board.
 
+config ATH79_MACH_UBNT_XM
+        bool "Ubiquiti Networks XM (rev 1.0) board"
+        select SOC_AR724X
+        select ATH79_DEV_GPIO_BUTTONS
+        select ATH79_DEV_LEDS_GPIO
+        select ATH79_DEV_SPI
+        help
+          Say 'Y' here if you want your kernel to support the
+          Ubiquiti Networks XM (rev 1.0) board.
+
 endmenu
 
 config SOC_AR71XX
@@ -46,6 +56,7 @@ config SOC_AR71XX
 config SOC_AR724X
         select USB_ARCH_HAS_EHCI
         select USB_ARCH_HAS_OHCI
+        select HW_HAS_PCI
         def_bool n
 
 config SOC_AR913X
diff --git a/arch/mips/ath79/Makefile b/arch/mips/ath79/Makefile
index 8933d18fd0f0..3ecc1463b5da 100644
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -28,3 +28,4 @@ obj-$(CONFIG_ATH79_DEV_USB)		+= dev-usb.o
 obj-$(CONFIG_ATH79_MACH_AP121)          += mach-ap121.o
 obj-$(CONFIG_ATH79_MACH_AP81)           += mach-ap81.o
 obj-$(CONFIG_ATH79_MACH_PB44)           += mach-pb44.o
+obj-$(CONFIG_ATH79_MACH_UBNT_XM)        += mach-ubnt-xm.o
diff --git a/arch/mips/ath79/mach-ubnt-xm.c b/arch/mips/ath79/mach-ubnt-xm.c
new file mode 100644
index 000000000000..3c311a539347
--- /dev/null
+++ b/arch/mips/ath79/mach-ubnt-xm.c
@@ -0,0 +1,119 @@
+/*
+ *  Ubiquiti Networks XM (rev 1.0) board support
+ *
+ *  Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
+ *
+ *  Derived from: mach-pb44.c
+ *
+ *  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/pci.h>
+
+#ifdef CONFIG_PCI
+#include <linux/ath9k_platform.h>
+#include <asm/mach-ath79/pci-ath724x.h>
+#endif /* CONFIG_PCI */
+
+#include "machtypes.h"
+#include "dev-gpio-buttons.h"
+#include "dev-leds-gpio.h"
+#include "dev-spi.h"
+
+#define UBNT_XM_GPIO_LED_L1             0
+#define UBNT_XM_GPIO_LED_L2             1
+#define UBNT_XM_GPIO_LED_L3             11
+#define UBNT_XM_GPIO_LED_L4             7
+
+#define UBNT_XM_GPIO_BTN_RESET          12
+
+#define UBNT_XM_KEYS_POLL_INTERVAL      20
+#define UBNT_XM_KEYS_DEBOUNCE_INTERVAL  (3 * UBNT_XM_KEYS_POLL_INTERVAL)
+
+#define UBNT_XM_PCI_IRQ                 48
+#define UBNT_XM_EEPROM_ADDR             (u8 *) KSEG1ADDR(0x1fff1000)
+
+static struct gpio_led ubnt_xm_leds_gpio[] __initdata = {
+        {
+                .name           = "ubnt-xm:red:link1",
+                .gpio           = UBNT_XM_GPIO_LED_L1,
+                .active_low     = 0,
+        }, {
+                .name           = "ubnt-xm:orange:link2",
+                .gpio           = UBNT_XM_GPIO_LED_L2,
+                .active_low     = 0,
+        }, {
+                .name           = "ubnt-xm:green:link3",
+                .gpio           = UBNT_XM_GPIO_LED_L3,
+                .active_low     = 0,
+        }, {
+                .name           = "ubnt-xm:green:link4",
+                .gpio           = UBNT_XM_GPIO_LED_L4,
+                .active_low     = 0,
+        },
+};
+
+static struct gpio_keys_button ubnt_xm_gpio_keys[] __initdata = {
+        {
+                .desc                   = "reset",
+                .type                   = EV_KEY,
+                .code                   = KEY_RESTART,
+                .debounce_interval      = UBNT_XM_KEYS_DEBOUNCE_INTERVAL,
+                .gpio                   = UBNT_XM_GPIO_BTN_RESET,
+                .active_low             = 1,
+        }
+};
+
+static struct spi_board_info ubnt_xm_spi_info[] = {
+        {
+                .bus_num        = 0,
+                .chip_select    = 0,
+                .max_speed_hz   = 25000000,
+                .modalias       = "mx25l6405d",
+        }
+};
+
+static struct ath79_spi_platform_data ubnt_xm_spi_data = {
+        .bus_num                = 0,
+        .num_chipselect         = 1,
+};
+
+#ifdef CONFIG_PCI
+static struct ath9k_platform_data ubnt_xm_eeprom_data;
+
+static struct ath724x_pci_data ubnt_xm_pci_data[] = {
+        {
+                .irq    = UBNT_XM_PCI_IRQ,
+                .pdata  = &ubnt_xm_eeprom_data,
+        },
+};
+#endif /* CONFIG_PCI */
+
+static void __init ubnt_xm_init(void)
+{
+        ath79_register_leds_gpio(-1, ARRAY_SIZE(ubnt_xm_leds_gpio),
+                                 ubnt_xm_leds_gpio);
+
+        ath79_register_gpio_keys_polled(-1, UBNT_XM_KEYS_POLL_INTERVAL,
+                                        ARRAY_SIZE(ubnt_xm_gpio_keys),
+                                        ubnt_xm_gpio_keys);
+
+        ath79_register_spi(&ubnt_xm_spi_data, ubnt_xm_spi_info,
+                           ARRAY_SIZE(ubnt_xm_spi_info));
+
+#ifdef CONFIG_PCI
+        memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR,
+               sizeof(ubnt_xm_eeprom_data.eeprom_data));
+
+        ath724x_pci_add_data(ubnt_xm_pci_data, ARRAY_SIZE(ubnt_xm_pci_data));
+#endif /* CONFIG_PCI */
+
+}
+
+MIPS_MACHINE(ATH79_MACH_UBNT_XM,
+             "UBNT-XM",
+             "Ubiquiti Networks XM (rev 1.0) board",
+             ubnt_xm_init);
diff --git a/arch/mips/ath79/machtypes.h b/arch/mips/ath79/machtypes.h
index 6e28d51c93d5..9a1f3826626e 100644
--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -19,6 +19,7 @@ enum ath79_mach_type {
         ATH79_MACH_AP121,               /* Atheros AP121 reference board */
         ATH79_MACH_AP81,                /* Atheros AP81 reference board */
         ATH79_MACH_PB44,                /* Atheros PB44 reference board */
+        ATH79_MACH_UBNT_XM,             /* Ubiquiti Networks XM board rev 1.0 */
 };
 
 #endif /* _ATH79_MACHTYPE_H */