[ARM] Acer n30: Add support for n35 and related devices.

Add support for the Acer N35 and related devices.

Signed-off-by: Christer Weinigel <christer@weinigel.se>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

2 files changed, 144 insertions, 6 deletions

diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index 1a7d01b47440..99fdc736698c 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -72,10 +72,11 @@ config PM_H1940
           Internal node for H1940 and related PM
 
 config MACH_N30
-        bool "Acer N30"
+        bool "Acer N30 family"
         select CPU_S3C2410
         help
-          Say Y here if you are using the Acer N30
+          Say Y here if you want suppt for the Acer N30, Acer N35,
+          Navman PiN570, Yakumo AlphaX or Airis NC05 PDAs.
 
 config ARCH_BAST
         bool "Simtec Electronics BAST (EB2410ITX)"
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c
index e1351a7b40ee..621b343adbed 100644
--- a/arch/arm/mach-s3c2410/mach-n30.c
+++ b/arch/arm/mach-s3c2410/mach-n30.c
@@ -1,4 +1,5 @@
-/* Machine specific code for the Acer n30 PDA.
+/* Machine specific code for the Acer n30, Acer N35, Navman PiN 570,
+ * Yakumo AlphaX and Airis NC05 PDAs.
  *
  * Copyright (c) 2003-2005 Simtec Electronics
  *      Ben Dooks <ben@simtec.co.uk>
@@ -11,7 +12,7 @@
  * 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/kernel.h>
 #include <linux/types.h>
@@ -68,7 +69,8 @@ static struct s3c2410_uartcfg n30_uartcfgs[] = {
                 .ulcon       = 0x43,
                 .ufcon       = 0x51,
         },
-        /* The BlueTooth controller is connected to port 2 */
+        /* On the N30 the bluetooth controller is connected here.
+         * On the N35 and variants the GPS receiver is connected here. */
         [2] = {
                 .hwport      = 2,
                 .flags       = 0,
@@ -165,6 +167,95 @@ static struct platform_device n30_button_device = {
         }
 };
 
+static struct gpio_keys_button n35_buttons[] = {
+        {
+                .gpio           = S3C2410_GPF0,
+                .code           = KEY_POWER,
+                .desc           = "Power",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPG9,
+                .code           = KEY_UP,
+                .desc           = "Joystick Up",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPG8,
+                .code           = KEY_DOWN,
+                .desc           = "Joystick Down",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPG6,
+                .code           = KEY_DOWN,
+                .desc           = "Joystick Left",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPG5,
+                .code           = KEY_DOWN,
+                .desc           = "Joystick Right",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPG7,
+                .code           = KEY_ENTER,
+                .desc           = "Joystick Press",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPF7,
+                .code           = KEY_HOMEPAGE,
+                .desc           = "Home",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPF6,
+                .code           = KEY_CALENDAR,
+                .desc           = "Calendar",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPF5,
+                .code           = KEY_ADDRESSBOOK,
+                .desc           = "Contacts",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPF4,
+                .code           = KEY_MAIL,
+                .desc           = "Mail",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPF3,
+                .code           = SW_RADIO,
+                .desc           = "GPS Antenna",
+                .active_low     = 0,
+        },
+        {
+                .gpio           = S3C2410_GPG2,
+                .code           = SW_HEADPHONE_INSERT,
+                .desc           = "Headphone",
+                .active_low     = 0,
+        },
+};
+
+static struct gpio_keys_platform_data n35_button_data = {
+        .buttons        = n35_buttons,
+        .nbuttons       = ARRAY_SIZE(n35_buttons),
+};
+
+static struct platform_device n35_button_device = {
+        .name           = "gpio-keys",
+        .id             = -1,
+        .num_resources  = 0,
+        .dev            = {
+                .platform_data  = &n35_button_data,
+        }
+};
+
 /* This is the bluetooth LED on the device. */
 static struct s3c24xx_led_platdata n30_blue_led_pdata = {
         .name           = "blue_led",
@@ -211,6 +302,15 @@ static struct platform_device *n30_devices[] __initdata = {
         &n30_warning_led,
 };
 
+static struct platform_device *n35_devices[] __initdata = {
+        &s3c_device_lcd,
+        &s3c_device_wdt,
+        &s3c_device_i2c,
+        &s3c_device_iis,
+        &s3c_device_usbgadget,
+        &n35_button_device,
+};
+
 static struct s3c2410_platform_i2c n30_i2ccfg = {
         .flags          = 0,
         .slave_addr     = 0x10,
@@ -244,7 +344,32 @@ static void __init n30_init(void)
                               S3C2410_MISCCR_USBSUSPND0 |
                               S3C2410_MISCCR_USBSUSPND1, 0x0);
 
-        platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
+        if (machine_is_n30()) {
+                /* Turn off suspend on both USB ports, and switch the
+                 * selectable USB port to USB device mode. */
+                s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+                                      S3C2410_MISCCR_USBSUSPND0 |
+                                      S3C2410_MISCCR_USBSUSPND1, 0x0);
+
+                platform_add_devices(n30_devices, ARRAY_SIZE(n30_devices));
+        }
+
+        if (machine_is_n35()) {
+                /* Turn off suspend and switch the selectable USB port
+                 * to USB device mode.  Turn on suspend for the host
+                 * port since it is not connected on the N35.
+                 *
+                 * Actually, the host port is available at some pads
+                 * on the back of the device, so it would actually be
+                 * possible to add a USB device inside the N35 if you
+                 * are willing to do some hardware modifications. */
+                s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+                                      S3C2410_MISCCR_USBSUSPND0 |
+                                      S3C2410_MISCCR_USBSUSPND1,
+                                      S3C2410_MISCCR_USBSUSPND1);
+
+                platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
+        }
 }
 
 MACHINE_START(N30, "Acer-N30")
@@ -259,3 +384,15 @@ MACHINE_START(N30, "Acer-N30")
         .init_irq       = n30_init_irq,
         .map_io         = n30_map_io,
 MACHINE_END
+
+MACHINE_START(N35, "Acer-N35")
+        /* Maintainer: Christer Weinigel <christer@weinigel.se>
+        */
+        .phys_io        = S3C2410_PA_UART,
+        .io_pg_offst    = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+        .boot_params    = S3C2410_SDRAM_PA + 0x100,
+        .timer          = &s3c24xx_timer,
+        .init_machine   = n30_init,
+        .init_irq       = n30_init_irq,
+        .map_io         = n30_map_io,
+MACHINE_END