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[PATCH 2/2] Initial support for the Ubiquiti Networks XM board (rev 1.0)

To: Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH 2/2] Initial support for the Ubiquiti Networks XM board (rev 1.0). (patch v2)
From: Rene Bolldorf <xsecute@googlemail.com>
Date: Thu, 17 Nov 2011 15:02:57 +0100
Cc: linux-mips@linux-mips.org, linux-kernel@vger.kernel.org, Rene Bolldorf <xsecute@googlemail.com>
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In-reply-to: <1321538577-548-1-git-send-email-xsecute@googlemail.com>
References: <CAEWqx59k97AMU6hH0NCC2TMEY2mu8d5ytxO68oEsa=7uvLBA4A@mail.gmail.com> <1321538577-548-1-git-send-email-xsecute@googlemail.com>
Sender: linux-mips-bounce@linux-mips.org
Signed-off-by: Rene Bolldorf <xsecute@googlemail.com>
---
 arch/mips/ath79/Kconfig        |   11 ++++
 arch/mips/ath79/Makefile       |    1 +
 arch/mips/ath79/mach-ubnt-xm.c |  119 ++++++++++++++++++++++++++++++++++++++++
 arch/mips/ath79/machtypes.h    |    1 +
 4 files changed, 132 insertions(+), 0 deletions(-)
 create mode 100644 arch/mips/ath79/mach-ubnt-xm.c

diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig
index 4770741..1a35258 100644
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -23,6 +23,16 @@ 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
@@ -33,6 +43,7 @@ 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 c33d465..ac9f375 100644
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -26,3 +26,4 @@ obj-$(CONFIG_ATH79_DEV_SPI)           += dev-spi.o
 #
 obj-$(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 0000000..3c311a5
--- /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 3940fe4..35d5d5c 100644
--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -18,6 +18,7 @@ enum ath79_mach_type {
        ATH79_MACH_GENERIC = 0,
        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 */
-- 
1.7.7.1


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