Merge branch 'avr32-arch' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6

* 'avr32-arch' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6: avr32: add hardware handshake support to atmel_serial avr32: add RTS/CTS/CLK pin selection for the USARTs Add RTC support for Merisc boards avr32: at32ap700x: setup DMA for AC97C in the machine code avr32: at32ap700x: setup DMA for ABDAC in the machine code Add Merisc board support avr32: use gpio_is_valid() to check USBA vbus_pin I/O line atmel-usba-udc: use gpio_is_valid() to check vbus_pin I/O line avr32: fix timing LCD parameters for EVKLCD10X boards avr32: use GPIO line PB15 on EVKLCD10x boards for backlight avr32: configure MCI detect and write protect pins for EVKLCD10x boards avr32: set pin mask to alternative 18 bpp for EVKLCD10x boards avr32: add pin mask for 18-bit color on the LCD controller avr32: fix 15-bit LCDC pin mask to use MSB lines
2024-12-14 04:41:26 +00:00 · 2009-04-05 11:15:28 -07:00 · 2009-04-05 11:15:28 -07:00 · 87fc94d54b
commit 87fc94d54b
parent 3516c6a8dc 8e706c4d0d
23 changed files with 2049 additions and 102 deletions
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@ -144,6 +144,19 @@ config BOARD_FAVR_32
 	bool "Favr-32 LCD-board"
 	select CPU_AT32AP7000

+config BOARD_MERISC
+	bool "Merisc board"
+	select CPU_AT32AP7000
+	help
+	  Merisc is the family name for a range of AVR32-based boards.
+
+	  The boards are designed to be used in a man-machine
+	  interfacing environment, utilizing a touch-based graphical
+	  user interface. They host a vast range of I/O peripherals as
+	  well as a large SDRAM & Flash memory bank.
+
+	  For more information see: http://www.martinsson.se/merisc
+
 config BOARD_MIMC200
 	bool "MIMC200 CPU board"
 	select CPU_AT32AP7000
@ -153,6 +166,7 @@ source "arch/avr32/boards/atstk1000/Kconfig"
 source "arch/avr32/boards/atngw100/Kconfig"
 source "arch/avr32/boards/hammerhead/Kconfig"
 source "arch/avr32/boards/favr-32/Kconfig"
+source "arch/avr32/boards/merisc/Kconfig"

 choice
 	prompt "Boot loader type"
--- a/arch/avr32/Makefile
+++ b/arch/avr32/Makefile
@ -35,6 +35,7 @@ core-$(CONFIG_BOARD_ATSTK1000)		+= arch/avr32/boards/atstk1000/
 core-$(CONFIG_BOARD_ATNGW100)		+= arch/avr32/boards/atngw100/
 core-$(CONFIG_BOARD_HAMMERHEAD)		+= arch/avr32/boards/hammerhead/
 core-$(CONFIG_BOARD_FAVR_32)		+= arch/avr32/boards/favr-32/
+core-$(CONFIG_BOARD_MERISC)		+= arch/avr32/boards/merisc/
 core-$(CONFIG_BOARD_MIMC200)		+= arch/avr32/boards/mimc200/
 core-$(CONFIG_LOADER_U_BOOT)		+= arch/avr32/boot/u-boot/
 core-y					+= arch/avr32/kernel/
--- a/arch/avr32/boards/atngw100/evklcd10x.c
+++ b/arch/avr32/boards/atngw100/evklcd10x.c
@ -11,6 +11,7 @@

 #include <linux/init.h>
 #include <linux/linkage.h>
+#include <linux/gpio.h>
 #include <linux/fb.h>
 #include <linux/platform_device.h>

@ -19,26 +20,26 @@
 #include <asm/setup.h>

 #include <mach/at32ap700x.h>
+#include <mach/portmux.h>
 #include <mach/board.h>

+#include <sound/atmel-ac97c.h>
+
 static struct ac97c_platform_data __initdata ac97c0_data = {
-	.dma_rx_periph_id	= 3,
-	.dma_tx_periph_id	= 4,
-	.dma_controller_id	= 0,
-	.reset_pin		= GPIO_PIN_PB(19),
+	.reset_pin = GPIO_PIN_PB(19),
 };

 #ifdef CONFIG_BOARD_ATNGW100_EVKLCD10X_VGA
 static struct fb_videomode __initdata tcg057vglad_modes[] = {
 	{
-		.name		= "640x480 @ 60",
-		.refresh	= 60,
+		.name		= "640x480 @ 50",
+		.refresh	= 50,
 		.xres		= 640,		.yres		= 480,
 		.pixclock	= KHZ2PICOS(25180),

-		.left_margin	= 64,		.right_margin	= 31,
-		.upper_margin	= 34,		.lower_margin	= 2,
-		.hsync_len	= 96,		.vsync_len	= 4,
+		.left_margin	= 64,		.right_margin	= 96,
+		.upper_margin	= 34,		.lower_margin	= 11,
+		.hsync_len	= 64,		.vsync_len	= 15,

 		.sync		= 0,
 		.vmode		= FB_VMODE_NONINTERLACED,
@ -69,14 +70,14 @@ static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
 #elif CONFIG_BOARD_ATNGW100_EVKLCD10X_QVGA
 static struct fb_videomode __initdata tcg057qvlad_modes[] = {
 	{
-		.name		= "320x240 @ 60",
-		.refresh	= 60,
+		.name		= "320x240 @ 50",
+		.refresh	= 50,
 		.xres		= 320,		.yres		= 240,
 		.pixclock	= KHZ2PICOS(6300),

-		.left_margin	= 52,		.right_margin	= 28,
-		.upper_margin	= 7,		.lower_margin	= 2,
-		.hsync_len	= 96,		.vsync_len	= 4,
+		.left_margin	= 34,		.right_margin	= 46,
+		.upper_margin	= 7,		.lower_margin	= 15,
+		.hsync_len	= 64,		.vsync_len	= 12,

 		.sync		= 0,
 		.vmode		= FB_VMODE_NONINTERLACED,
@ -144,12 +145,29 @@ static struct atmel_lcdfb_info __initdata atevklcd10x_lcdc_data = {
 };
 #endif

+static void atevklcd10x_lcdc_power_control(int on)
+{
+	gpio_set_value(GPIO_PIN_PB(15), on);
+}
+
 static int __init atevklcd10x_init(void)
 {
-	at32_add_device_ac97c(0, &ac97c0_data);
+	/* PB15 is connected to the enable line on the boost regulator
+	 * controlling the backlight for the LCD panel.
+	 */
+	at32_select_gpio(GPIO_PIN_PB(15), AT32_GPIOF_OUTPUT);
+	gpio_request(GPIO_PIN_PB(15), "backlight");
+	gpio_direction_output(GPIO_PIN_PB(15), 0);
+
+	atevklcd10x_lcdc_data.atmel_lcdfb_power_control =
+		atevklcd10x_lcdc_power_control;

 	at32_add_device_lcdc(0, &atevklcd10x_lcdc_data,
-			fbmem_start, fbmem_size, 1);
+			fbmem_start, fbmem_size,
+			ATMEL_LCDC_ALT_18BIT | ATMEL_LCDC_PE_DVAL);
+
+	at32_add_device_ac97c(0, &ac97c0_data, AC97C_BOTH);
+
 	return 0;
 }
 postcore_initcall(atevklcd10x_init);
--- a/arch/avr32/boards/atngw100/setup.c
+++ b/arch/avr32/boards/atngw100/setup.c
@ -56,13 +56,8 @@ static struct spi_board_info spi0_board_info[] __initdata = {
 static struct mci_platform_data __initdata mci0_data = {
 	.slot[0] = {
 		.bus_width	= 4,
-#ifndef CONFIG_BOARD_ATNGW100_EVKLCD10X
 		.detect_pin	= GPIO_PIN_PC(25),
 		.wp_pin		= GPIO_PIN_PE(0),
-#else
-		.detect_pin	= GPIO_PIN_NONE,
-		.wp_pin		= GPIO_PIN_NONE,
-#endif
 	},
 };

@ -123,7 +118,7 @@ static void __init set_hw_addr(struct platform_device *pdev)

 void __init setup_board(void)
 {
-	at32_map_usart(1, 0);	/* USART 1: /dev/ttyS0, DB9 */
+	at32_map_usart(1, 0, 0);	/* USART 1: /dev/ttyS0, DB9 */
 	at32_setup_serial_console(0);
 }

--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@ -252,12 +252,12 @@ static void __init atstk1002_setup_extdac(void)
 void __init setup_board(void)
 {
 #ifdef	CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
-	at32_map_usart(0, 1);	/* USART 0/B: /dev/ttyS1, IRDA */
+	at32_map_usart(0, 1, 0);	/* USART 0/B: /dev/ttyS1, IRDA */
 #else
-	at32_map_usart(1, 0);	/* USART 1/A: /dev/ttyS0, DB9 */
+	at32_map_usart(1, 0, 0);	/* USART 1/A: /dev/ttyS0, DB9 */
 #endif
 	/* USART 2/unused: expansion connector */
-	at32_map_usart(3, 2);	/* USART 3/C: /dev/ttyS2, DB9 */
+	at32_map_usart(3, 2, 0);	/* USART 3/C: /dev/ttyS2, DB9 */

 	at32_setup_serial_console(0);
 }
--- a/arch/avr32/boards/atstk1000/atstk1003.c
+++ b/arch/avr32/boards/atstk1000/atstk1003.c
@ -115,12 +115,12 @@ static void __init atstk1003_setup_extdac(void)
 void __init setup_board(void)
 {
 #ifdef	CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
-	at32_map_usart(0, 1);	/* USART 0/B: /dev/ttyS1, IRDA */
+	at32_map_usart(0, 1, 0);	/* USART 0/B: /dev/ttyS1, IRDA */
 #else
-	at32_map_usart(1, 0);	/* USART 1/A: /dev/ttyS0, DB9 */
+	at32_map_usart(1, 0, 0);	/* USART 1/A: /dev/ttyS0, DB9 */
 #endif
 	/* USART 2/unused: expansion connector */
-	at32_map_usart(3, 2);	/* USART 3/C: /dev/ttyS2, DB9 */
+	at32_map_usart(3, 2, 0);	/* USART 3/C: /dev/ttyS2, DB9 */

 	at32_setup_serial_console(0);
 }
--- a/arch/avr32/boards/atstk1000/atstk1004.c
+++ b/arch/avr32/boards/atstk1000/atstk1004.c
@ -120,12 +120,12 @@ static void __init atstk1004_setup_extdac(void)
 void __init setup_board(void)
 {
 #ifdef	CONFIG_BOARD_ATSTK100X_SW2_CUSTOM
-	at32_map_usart(0, 1);	/* USART 0/B: /dev/ttyS1, IRDA */
+	at32_map_usart(0, 1, 0);	/* USART 0/B: /dev/ttyS1, IRDA */
 #else
-	at32_map_usart(1, 0);	/* USART 1/A: /dev/ttyS0, DB9 */
+	at32_map_usart(1, 0, 0);	/* USART 1/A: /dev/ttyS0, DB9 */
 #endif
 	/* USART 2/unused: expansion connector */
-	at32_map_usart(3, 2);	/* USART 3/C: /dev/ttyS2, DB9 */
+	at32_map_usart(3, 2, 0);	/* USART 3/C: /dev/ttyS2, DB9 */

 	at32_setup_serial_console(0);
 }
--- a/arch/avr32/boards/favr-32/setup.c
+++ b/arch/avr32/boards/favr-32/setup.c
@ -22,6 +22,8 @@
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>

+#include <sound/atmel-abdac.h>
+
 #include <video/atmel_lcdc.h>

 #include <asm/setup.h>
@ -41,6 +43,9 @@ unsigned long at32_board_osc_rates[3] = {
 /* Initialized by bootloader-specific startup code. */
 struct tag *bootloader_tags __initdata;

+static struct atmel_abdac_pdata __initdata abdac0_data = {
+};
+
 struct eth_addr {
 	u8 addr[6];
 };
@ -245,7 +250,7 @@ static void __init favr32_setup_atmel_pwm_bl(void)

 void __init setup_board(void)
 {
-	at32_map_usart(3, 0);	/* USART 3 => /dev/ttyS0 */
+	at32_map_usart(3, 0, 0);	/* USART 3 => /dev/ttyS0 */
 	at32_setup_serial_console(0);
 }

@ -326,7 +331,7 @@ static int __init favr32_init(void)

 	spi1_board_info[0].irq = gpio_to_irq(GPIO_PIN_PB(3));

-	set_abdac_rate(at32_add_device_abdac(0));
+	set_abdac_rate(at32_add_device_abdac(0, &abdac0_data));

 	at32_add_device_pwm(1 << atmel_pwm_bl_pdata.pwm_channel);
 	at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
--- a/arch/avr32/boards/hammerhead/setup.c
+++ b/arch/avr32/boards/hammerhead/setup.c
@ -29,6 +29,8 @@
 #include <mach/init.h>
 #include <mach/portmux.h>

+#include <sound/atmel-ac97c.h>
+
 #include "../../mach-at32ap/clock.h"
 #include "flash.h"

@ -163,7 +165,7 @@ static void __init set_hw_addr(struct platform_device *pdev)

 void __init setup_board(void)
 {
-	at32_map_usart(1, 0);	/* USART 1: /dev/ttyS0, DB9 */
+	at32_map_usart(1, 0, 0);	/* USART 1: /dev/ttyS0, DB9 */
 	at32_setup_serial_console(0);
 }

@ -233,7 +235,7 @@ static int __init hammerhead_init(void)
 	i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));

 #ifdef CONFIG_BOARD_HAMMERHEAD_SND
-	at32_add_device_ac97c(0, &ac97c_data);
+	at32_add_device_ac97c(0, &ac97c_data, AC97C_BOTH);
 #endif

 	/* Select the Touchscreen interrupt pin mode */
--- a/arch/avr32/boards/merisc/Kconfig
+++ b/arch/avr32/boards/merisc/Kconfig
@ -0,0 +1,5 @@
+# Merisc customization
+
+if BOARD_MERISC
+
+endif	# BOARD_MERISC
--- a/arch/avr32/boards/merisc/Makefile
+++ b/arch/avr32/boards/merisc/Makefile
@ -0,0 +1 @@
+obj-y					+= setup.o flash.o display.o merisc_sysfs.o
--- a/arch/avr32/boards/merisc/display.c
+++ b/arch/avr32/boards/merisc/display.c
@ -0,0 +1,65 @@
+/*
+ * Display setup code for the Merisc board
+ *
+ * Copyright (C) 2008 Martinsson Elektronik AB
+ *
+ * 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/platform_device.h>
+#include <linux/fb.h>
+#include <video/atmel_lcdc.h>
+#include <asm/setup.h>
+#include <mach/board.h>
+#include "merisc.h"
+
+static struct fb_videomode merisc_fb_videomode[] = {
+	{
+		.refresh	= 44,
+		.xres		= 640,
+		.yres		= 480,
+		.left_margin	= 96,
+		.right_margin	= 96,
+		.upper_margin	= 34,
+		.lower_margin	= 8,
+		.hsync_len	= 64,
+		.vsync_len	= 64,
+		.name		= "640x480 @ 44",
+		.pixclock	= KHZ2PICOS(25180),
+		.sync		= 0,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs merisc_fb_monspecs = {
+	.manufacturer	= "Kyo",
+	.monitor	= "TCG075VG2AD",
+	.modedb		= merisc_fb_videomode,
+	.modedb_len	= ARRAY_SIZE(merisc_fb_videomode),
+	.hfmin		= 30000,
+	.hfmax		= 33333,
+	.vfmin		= 60,
+	.vfmax		= 90,
+	.dclkmax	= 30000000,
+};
+
+struct atmel_lcdfb_info merisc_lcdc_data = {
+	.default_bpp		= 24,
+	.default_dmacon		= ATMEL_LCDC_DMAEN | ATMEL_LCDC_DMA2DEN,
+	.default_lcdcon2	= (ATMEL_LCDC_DISTYPE_TFT
+				   | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE
+				   | ATMEL_LCDC_MEMOR_BIG),
+	.default_monspecs	= &merisc_fb_monspecs,
+	.guard_time		= 2,
+};
+
+static int __init merisc_display_init(void)
+{
+	at32_add_device_lcdc(0, &merisc_lcdc_data, fbmem_start,
+			     fbmem_size, 0);
+
+	return 0;
+}
+device_initcall(merisc_display_init);
--- a/arch/avr32/boards/merisc/flash.c
+++ b/arch/avr32/boards/merisc/flash.c
@ -0,0 +1,139 @@
+/*
+ * Merisc board-specific flash initialization
+ *
+ * Copyright (C) 2008 Martinsson Elektronik AB
+ *
+ * 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/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <mach/smc.h>
+
+/* Will be translated to units of 14.3 ns, rounded up */
+static struct smc_timing flash_timing __initdata = {
+	.ncs_read_setup		= 1 * 14,
+	.nrd_setup		= 5 * 14,
+	.ncs_write_setup	= 1 * 14,
+	.nwe_setup		= 2 * 14,
+
+	.ncs_read_pulse		= 12 * 14,
+	.nrd_pulse		= 7 * 14,
+	.ncs_write_pulse	= 8 * 14,
+	.nwe_pulse		= 4 * 14,
+
+	.read_cycle		= 14 * 14,
+	.write_cycle		= 10 * 14,
+};
+
+static struct smc_config flash_config __initdata = {
+	.bus_width	= 2,
+	.nrd_controlled	= 1,
+	.nwe_controlled	= 1,
+	.byte_write	= 1,
+	.tdf_cycles	= 3,
+};
+
+static struct mtd_partition flash_0_parts[] = {
+	{
+		.name		= "boot",
+		.offset		= 0x00000000,
+		.size		= 0x00060000,
+		.mask_flags	= 0,
+	},
+	{
+		.name		= "kernel",
+		.offset		= 0x00060000,
+		.size		= 0x00200000,
+		.mask_flags	= 0,
+	},
+	{
+		.name		= "root",
+		.offset		= 0x00260000,
+		.size		= MTDPART_SIZ_FULL,
+		.mask_flags	= 0,
+	},
+};
+
+static struct mtd_partition flash_1_parts[] = {
+	{
+		.name		= "2ndflash",
+		.offset		= 0x00000000,
+		.size		= MTDPART_SIZ_FULL,
+		.mask_flags	= 0,
+	},
+};
+
+static struct physmap_flash_data flash_data[] = {
+	{
+		.width		= 2,
+		.nr_parts	= ARRAY_SIZE(flash_0_parts),
+		.parts		= flash_0_parts,
+	},
+	{
+		.width		= 2,
+		.nr_parts	= ARRAY_SIZE(flash_1_parts),
+		.parts		= flash_1_parts,
+	}
+};
+
+static struct resource flash_resource[] = {
+	{
+		.start		= 0x00000000,
+		.end		= 0x03ffffff,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= 0x04000000,
+		.end		= 0x07ffffff,
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device flash_device[] = {
+	{
+		.name		= "physmap-flash",
+		.id		= 0,
+		.resource	= &flash_resource[0],
+		.num_resources	= 1,
+		.dev		= {
+			.platform_data	= &flash_data[0],
+		},
+	},
+	{
+		.name		= "physmap-flash",
+		.id		= 1,
+		.resource	= &flash_resource[1],
+		.num_resources	= 1,
+		.dev		= {
+			.platform_data	= &flash_data[1],
+		},
+	},
+};
+
+static int __init merisc_flash_init(void)
+{
+	int ret;
+	smc_set_timing(&flash_config, &flash_timing);
+
+	ret = smc_set_configuration(0, &flash_config);
+	if (ret < 0) {
+		printk(KERN_ERR "Merisc: failed to set NOR flash timing #0\n");
+		return ret;
+	}
+
+	ret = smc_set_configuration(4, &flash_config);
+	if (ret < 0) {
+		printk(KERN_ERR "Merisc: failed to set NOR flash timing #1\n");
+		return ret;
+	}
+
+	platform_device_register(&flash_device[0]);
+	platform_device_register(&flash_device[1]);
+	return 0;
+}
+device_initcall(merisc_flash_init);
--- a/arch/avr32/boards/merisc/merisc.h
+++ b/arch/avr32/boards/merisc/merisc.h
@ -0,0 +1,18 @@
+/*
+ * Merisc exports
+ *
+ * Copyright (C) 2008 Martinsson Elektronik AB
+ *
+ * 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.
+ */
+#ifndef __ARCH_AVR32_BOARDS_MERISC_MERISC_H
+#define __ARCH_AVR32_BOARDS_MERISC_MERISC_H
+
+const char *merisc_revision(void);
+const char *merisc_model(void);
+
+extern struct class merisc_class;
+
+#endif /* __ARCH_AVR32_BOARDS_MERISC_MERISC_H */
--- a/arch/avr32/boards/merisc/merisc_sysfs.c
+++ b/arch/avr32/boards/merisc/merisc_sysfs.c
@ -0,0 +1,65 @@
+/*
+ * Merisc sysfs exports
+ *
+ * Copyright (C) 2008 Martinsson Elektronik AB
+ *
+ * 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/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/sysdev.h>
+#include <linux/timer.h>
+#include <linux/err.h>
+#include <linux/ctype.h>
+#include "merisc.h"
+
+static ssize_t merisc_model_show(struct class *class, char *buf)
+{
+	ssize_t ret = 0;
+
+	sprintf(buf, "%s\n", merisc_model());
+	ret = strlen(buf) + 1;
+
+	return ret;
+}
+
+static ssize_t merisc_revision_show(struct class *class, char *buf)
+{
+	ssize_t ret = 0;
+
+	sprintf(buf, "%s\n", merisc_revision());
+	ret = strlen(buf) + 1;
+
+	return ret;
+}
+
+static struct class_attribute merisc_class_attrs[] = {
+	__ATTR(model, S_IRUGO, merisc_model_show, NULL),
+	__ATTR(revision, S_IRUGO, merisc_revision_show, NULL),
+	__ATTR_NULL,
+};
+
+struct class merisc_class = {
+	.name =		"merisc",
+	.owner =	THIS_MODULE,
+	.class_attrs =	merisc_class_attrs,
+};
+
+static int __init merisc_sysfs_init(void)
+{
+	int status;
+
+	status = class_register(&merisc_class);
+	if (status < 0)
+		return status;
+
+	return 0;
+}
+
+postcore_initcall(merisc_sysfs_init);
--- a/arch/avr32/boards/merisc/setup.c
+++ b/arch/avr32/boards/merisc/setup.c
@ -0,0 +1,297 @@
+/*
+ * Board-specific setup code for the Merisc
+ *
+ * Copyright (C) 2008 Martinsson Elektronik AB
+ *
+ * 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/clk.h>
+#include <linux/etherdevice.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/linkage.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/leds.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/irq.h>
+#include <linux/fb.h>
+#include <linux/atmel-mci.h>
+
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/gpio.h>
+
+#include <mach/at32ap700x.h>
+#include <mach/board.h>
+#include <mach/init.h>
+#include <mach/portmux.h>
+
+#include "merisc.h"
+
+/* Holds the autodetected board model and revision */
+static int merisc_board_id;
+
+/* Initialized by bootloader-specific startup code. */
+struct tag *bootloader_tags __initdata;
+
+/* Oscillator frequencies. These are board specific */
+unsigned long at32_board_osc_rates[3] = {
+	[0]	= 32768,	/* 32.768 kHz on RTC osc */
+	[1]	= 20000000,	/* 20 MHz on osc0 */
+	[2]	= 12000000,	/* 12 MHz on osc1 */
+};
+
+struct eth_addr {
+	u8 addr[6];
+};
+
+static struct eth_addr __initdata hw_addr[2];
+static struct eth_platform_data __initdata eth_data[2];
+
+static int ads7846_get_pendown_state_PB26(void)
+{
+	return !gpio_get_value(GPIO_PIN_PB(26));
+}
+
+static int ads7846_get_pendown_state_PB28(void)
+{
+	return !gpio_get_value(GPIO_PIN_PB(28));
+}
+
+static struct ads7846_platform_data __initdata ads7846_data = {
+	.model				= 7846,
+	.vref_delay_usecs		= 100,
+	.vref_mv			= 0,
+	.keep_vref_on			= 0,
+	.settle_delay_usecs		= 150,
+	.penirq_recheck_delay_usecs	= 1,
+	.x_plate_ohms			= 800,
+	.debounce_rep			= 4,
+	.debounce_max			= 10,
+	.debounce_tol			= 50,
+	.get_pendown_state		= ads7846_get_pendown_state_PB26,
+	.filter_init			= NULL,
+	.filter				= NULL,
+	.filter_cleanup			= NULL,
+};
+
+static struct spi_board_info __initdata spi0_board_info[] = {
+	{
+		.modalias	= "ads7846",
+		.max_speed_hz	= 3250000,
+		.chip_select	= 0,
+		.bus_num	= 0,
+		.platform_data	= &ads7846_data,
+		.mode		= SPI_MODE_0,
+	},
+};
+
+static struct mci_platform_data __initdata mci0_data = {
+	.slot[0] = {
+		.bus_width	= 4,
+		.detect_pin	= GPIO_PIN_PE(19),
+		.wp_pin		= GPIO_PIN_PE(20),
+	},
+};
+
+static int __init parse_tag_ethernet(struct tag *tag)
+{
+	int i;
+
+	i = tag->u.ethernet.mac_index;
+	if (i < ARRAY_SIZE(hw_addr)) {
+		memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
+		       sizeof(hw_addr[i].addr));
+	}
+
+	return 0;
+}
+__tagtable(ATAG_ETHERNET, parse_tag_ethernet);
+
+static void __init set_hw_addr(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	const u8 *addr;
+	void __iomem *regs;
+	struct clk *pclk;
+
+	if (!res)
+		return;
+
+	if (pdev->id >= ARRAY_SIZE(hw_addr))
+		return;
+
+	addr = hw_addr[pdev->id].addr;
+	if (!is_valid_ether_addr(addr))
+		return;
+
+	regs = (void __iomem __force *)res->start;
+	pclk = clk_get(&pdev->dev, "pclk");
+	if (!pclk)
+		return;
+
+	clk_enable(pclk);
+	__raw_writel((addr[3] << 24) | (addr[2] << 16)
+		     | (addr[1] << 8) | addr[0], regs + 0x98);
+	__raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
+	clk_disable(pclk);
+	clk_put(pclk);
+}
+
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+	.sda_pin		= GPIO_PIN_PA(6),
+	.scl_pin		= GPIO_PIN_PA(7),
+	.sda_is_open_drain	= 1,
+	.scl_is_open_drain	= 1,
+	.udelay			= 2,
+};
+
+static struct platform_device i2c_gpio_device = {
+	.name	= "i2c-gpio",
+	.id	= 0,
+	.dev	= {
+		.platform_data	= &i2c_gpio_data,
+	},
+};
+
+static struct i2c_board_info __initdata i2c_info[] = {
+	{
+		I2C_BOARD_INFO("pcf8563", 0x51)
+	},
+};
+
+#ifdef CONFIG_LEDS_ATMEL_PWM
+static struct gpio_led stk_pwm_led[] = {
+	{
+		.name	= "backlight",
+		.gpio	= 0,		/* PWM channel 0 (LCD backlight) */
+	},
+};
+
+static struct gpio_led_platform_data stk_pwm_led_data = {
+	.num_leds	= ARRAY_SIZE(stk_pwm_led),
+	.leds		= stk_pwm_led,
+};
+
+static struct platform_device stk_pwm_led_dev = {
+	.name	= "leds-atmel-pwm",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &stk_pwm_led_data,
+	},
+};
+#endif
+
+const char *merisc_model(void)
+{
+	switch (merisc_board_id) {
+	case 0:
+	case 1:
+		return "500-01";
+	case 2:
+		return "BT";
+	default:
+		return "Unknown";
+	}
+}
+
+const char *merisc_revision(void)
+{
+	switch (merisc_board_id) {
+	case 0:
+		return "B";
+	case 1:
+		return "D";
+	case 2:
+		return "A";
+	default:
+		return "Unknown";
+	}
+}
+
+static void detect_merisc_board_id(void)
+{
+	/* Board ID pins MUST be set as input or the board may be damaged */
+	at32_select_gpio(GPIO_PIN_PA(24), AT32_GPIOF_PULLUP);
+	at32_select_gpio(GPIO_PIN_PA(25), AT32_GPIOF_PULLUP);
+	at32_select_gpio(GPIO_PIN_PA(26), AT32_GPIOF_PULLUP);
+	at32_select_gpio(GPIO_PIN_PA(27), AT32_GPIOF_PULLUP);
+
+	merisc_board_id = !gpio_get_value(GPIO_PIN_PA(24)) +
+		!gpio_get_value(GPIO_PIN_PA(25)) * 2 +
+		!gpio_get_value(GPIO_PIN_PA(26)) * 4 +
+		!gpio_get_value(GPIO_PIN_PA(27)) * 8;
+}
+
+void __init setup_board(void)
+{
+	at32_map_usart(0, 0, 0);
+	at32_map_usart(1, 1, 0);
+	at32_map_usart(3, 3, 0);
+	at32_setup_serial_console(1);
+}
+
+static int __init merisc_init(void)
+{
+	detect_merisc_board_id();
+
+	printk(KERN_NOTICE "BOARD: Merisc %s revision %s\n", merisc_model(),
+	       merisc_revision());
+
+	/* Reserve pins for SDRAM */
+	at32_reserve_pin(GPIO_PIOE_BASE, ATMEL_EBI_PE_DATA_ALL | (1 << 26));
+
+	if (merisc_board_id >= 1)
+		at32_map_usart(2, 2, 0);
+
+	at32_add_device_usart(0);
+	at32_add_device_usart(1);
+	if (merisc_board_id >= 1)
+		at32_add_device_usart(2);
+	at32_add_device_usart(3);
+	set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
+
+	/* ADS7846 PENIRQ */
+	if (merisc_board_id == 0) {
+		ads7846_data.get_pendown_state = ads7846_get_pendown_state_PB26;
+		at32_select_periph(GPIO_PIOB_BASE, 1 << 26,
+				   GPIO_PERIPH_A, AT32_GPIOF_PULLUP);
+		spi0_board_info[0].irq = AT32_EXTINT(1);
+	} else {
+		ads7846_data.get_pendown_state = ads7846_get_pendown_state_PB28;
+		at32_select_periph(GPIO_PIOB_BASE, 1 << 28, GPIO_PERIPH_A,
+				   AT32_GPIOF_PULLUP);
+		spi0_board_info[0].irq = AT32_EXTINT(3);
+	}
+
+	/* ADS7846 busy pin */
+	at32_select_gpio(GPIO_PIN_PA(4), AT32_GPIOF_PULLUP);
+
+	at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+
+	at32_add_device_mci(0, &mci0_data);
+
+#ifdef CONFIG_LEDS_ATMEL_PWM
+	at32_add_device_pwm((1 << 0) | (1 << 2));
+	platform_device_register(&stk_pwm_led_dev);
+#else
+	at32_add_device_pwm((1 << 2));
+#endif
+
+	at32_select_gpio(i2c_gpio_data.sda_pin,
+		AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+	at32_select_gpio(i2c_gpio_data.scl_pin,
+		AT32_GPIOF_MULTIDRV | AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+	platform_device_register(&i2c_gpio_device);
+
+	i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
+
+	return 0;
+}
+postcore_initcall(merisc_init);
--- a/arch/avr32/boards/mimc200/setup.c
+++ b/arch/avr32/boards/mimc200/setup.c
@ -175,10 +175,10 @@ static void __init set_hw_addr(struct platform_device *pdev)

 void __init setup_board(void)
 {
-	at32_map_usart(0, 0);	/* USART 0: /dev/ttyS0 (TTL --> Altera) */
-	at32_map_usart(1, 1);	/* USART 1: /dev/ttyS1 (RS232) */
-	at32_map_usart(2, 2);	/* USART 2: /dev/ttyS2 (RS485) */
-	at32_map_usart(3, 3);	/* USART 3: /dev/ttyS3 (RS422 Multidrop) */
+	at32_map_usart(0, 0, 0);	/* USART 0: /dev/ttyS0 (TTL --> Altera) */
+	at32_map_usart(1, 1, 0);	/* USART 1: /dev/ttyS1 (RS232) */
+	at32_map_usart(2, 2, 0);	/* USART 2: /dev/ttyS2 (RS485) */
+	at32_map_usart(3, 3, 0);	/* USART 3: /dev/ttyS3 (RS422 Multidrop) */
 }

 static struct i2c_gpio_platform_data i2c_gpio_data = {
--- a/arch/avr32/configs/merisc_defconfig
+++ b/arch/avr32/configs/merisc_defconfig
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@ -26,6 +26,9 @@
 #include <mach/portmux.h>
 #include <mach/sram.h>

+#include <sound/atmel-abdac.h>
+#include <sound/atmel-ac97c.h>
+
 #include <video/atmel_lcdc.h>

 #include "clock.h"
@ -963,56 +966,68 @@ static struct resource atmel_usart3_resource[] = {
 DEFINE_DEV_DATA(atmel_usart, 3);
 DEV_CLK(usart, atmel_usart3, pba, 6);

-static inline void configure_usart0_pins(void)
+static inline void configure_usart0_pins(int flags)
 {
 	u32 pin_mask = (1 << 8) | (1 << 9); /* RXD & TXD */
+	if (flags & ATMEL_USART_RTS)	pin_mask |= (1 << 6);
+	if (flags & ATMEL_USART_CTS)	pin_mask |= (1 << 7);
+	if (flags & ATMEL_USART_CLK)	pin_mask |= (1 << 10);

 	select_peripheral(PIOA, pin_mask, PERIPH_B, AT32_GPIOF_PULLUP);
 }

-static inline void configure_usart1_pins(void)
+static inline void configure_usart1_pins(int flags)
 {
 	u32 pin_mask = (1 << 17) | (1 << 18); /* RXD & TXD */
+	if (flags & ATMEL_USART_RTS)	pin_mask |= (1 << 19);
+	if (flags & ATMEL_USART_CTS)	pin_mask |= (1 << 20);
+	if (flags & ATMEL_USART_CLK)	pin_mask |= (1 << 16);

 	select_peripheral(PIOA, pin_mask, PERIPH_A, AT32_GPIOF_PULLUP);
 }

-static inline void configure_usart2_pins(void)
+static inline void configure_usart2_pins(int flags)
 {
 	u32 pin_mask = (1 << 26) | (1 << 27); /* RXD & TXD */
+	if (flags & ATMEL_USART_RTS)	pin_mask |= (1 << 30);
+	if (flags & ATMEL_USART_CTS)	pin_mask |= (1 << 29);
+	if (flags & ATMEL_USART_CLK)	pin_mask |= (1 << 28);

 	select_peripheral(PIOB, pin_mask, PERIPH_B, AT32_GPIOF_PULLUP);
 }

-static inline void configure_usart3_pins(void)
+static inline void configure_usart3_pins(int flags)
 {
 	u32 pin_mask = (1 << 18) | (1 << 17); /* RXD & TXD */
+	if (flags & ATMEL_USART_RTS)	pin_mask |= (1 << 16);
+	if (flags & ATMEL_USART_CTS)	pin_mask |= (1 << 15);
+	if (flags & ATMEL_USART_CLK)	pin_mask |= (1 << 19);

 	select_peripheral(PIOB, pin_mask, PERIPH_B, AT32_GPIOF_PULLUP);
 }

 static struct platform_device *__initdata at32_usarts[4];

-void __init at32_map_usart(unsigned int hw_id, unsigned int line)
+void __init at32_map_usart(unsigned int hw_id, unsigned int line, int flags)
 {
 	struct platform_device *pdev;

 	switch (hw_id) {
 	case 0:
 		pdev = &atmel_usart0_device;
-		configure_usart0_pins();
+		configure_usart0_pins(flags);
 		break;
 	case 1:
 		pdev = &atmel_usart1_device;
-		configure_usart1_pins();
+		configure_usart1_pins(flags);
 		break;
 	case 2:
 		pdev = &atmel_usart2_device;
-		configure_usart2_pins();
+		configure_usart2_pins(flags);
 		break;
 	case 3:
 		pdev = &atmel_usart3_device;
-		configure_usart3_pins();
+		configure_usart3_pins(flags);
 		break;
 	default:
 		return;
@ -1753,7 +1768,7 @@ at32_add_device_usba(unsigned int id, struct usba_platform_data *data)
 	if (platform_device_add_data(pdev, data, sizeof(usba_data)))
 		goto out_free_pdev;

-	if (data->vbus_pin >= 0)
+	if (gpio_is_valid(data->vbus_pin))
 		at32_select_gpio(data->vbus_pin, 0);

 	usba0_pclk.dev = &pdev->dev;
@ -1980,11 +1995,14 @@ static struct clk atmel_ac97c0_pclk = {
 };

 struct platform_device *__init
-at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data)
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
+		      unsigned int flags)
 {
-	struct platform_device *pdev;
-	struct ac97c_platform_data _data;
-	u32 pin_mask;
+	struct platform_device		*pdev;
+	struct dw_dma_slave		*rx_dws;
+	struct dw_dma_slave		*tx_dws;
+	struct ac97c_platform_data	_data;
+	u32				pin_mask;

 	if (id != 0)
 		return NULL;
@ -1995,37 +2013,52 @@ at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data)

 	if (platform_device_add_resources(pdev, atmel_ac97c0_resource,
 				ARRAY_SIZE(atmel_ac97c0_resource)))
-		goto fail;
+		goto out_free_resources;

 	if (!data) {
 		data = &_data;
 		memset(data, 0, sizeof(struct ac97c_platform_data));
-		data->reset_pin = GPIO_PIN_NONE;
+		data->reset_pin = -ENODEV;
 	}

-	data->dma_rx_periph_id = 3;
-	data->dma_tx_periph_id = 4;
-	data->dma_controller_id = 0;
+	rx_dws = &data->rx_dws;
+	tx_dws = &data->tx_dws;
+
+	/* Check if DMA slave interface for capture should be configured. */
+	if (flags & AC97C_CAPTURE) {
+		rx_dws->dma_dev = &dw_dmac0_device.dev;
+		rx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
+		rx_dws->cfg_hi = DWC_CFGH_SRC_PER(3);
+		rx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+	}
+
+	/* Check if DMA slave interface for playback should be configured. */
+	if (flags & AC97C_PLAYBACK) {
+		tx_dws->dma_dev = &dw_dmac0_device.dev;
+		tx_dws->reg_width = DW_DMA_SLAVE_WIDTH_16BIT;
+		tx_dws->cfg_hi = DWC_CFGH_DST_PER(4);
+		tx_dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+	}

 	if (platform_device_add_data(pdev, data,
 				sizeof(struct ac97c_platform_data)))
-		goto fail;
+		goto out_free_resources;

-	pin_mask  = (1 << 20) | (1 << 21);	/* SDO & SYNC */
-	pin_mask |= (1 << 22) | (1 << 23);	/* SCLK & SDI */
+	/* SDO | SYNC | SCLK | SDI */
+	pin_mask = (1 << 20) | (1 << 21) | (1 << 22) | (1 << 23);

 	select_peripheral(PIOB, pin_mask, PERIPH_B, 0);

-	/* TODO: gpio_is_valid(data->reset_pin) with kernel 2.6.26. */
-	if (data->reset_pin != GPIO_PIN_NONE)
-		at32_select_gpio(data->reset_pin, 0);
+	if (gpio_is_valid(data->reset_pin))
+		at32_select_gpio(data->reset_pin, AT32_GPIOF_OUTPUT
+				| AT32_GPIOF_HIGH);

 	atmel_ac97c0_pclk.dev = &pdev->dev;

 	platform_device_add(pdev);
 	return pdev;

-fail:
+out_free_resources:
 	platform_device_put(pdev);
 	return NULL;
 }
@ -2053,21 +2086,34 @@ static struct clk abdac0_sample_clk = {
 	.index		= 6,
 };

-struct platform_device *__init at32_add_device_abdac(unsigned int id)
+struct platform_device *__init
+at32_add_device_abdac(unsigned int id, struct atmel_abdac_pdata *data)
 {
-	struct platform_device *pdev;
-	u32 pin_mask;
+	struct platform_device	*pdev;
+	struct dw_dma_slave	*dws;
+	u32			pin_mask;

-	if (id != 0)
+	if (id != 0 || !data)
 		return NULL;

-	pdev = platform_device_alloc("abdac", id);
+	pdev = platform_device_alloc("atmel_abdac", id);
 	if (!pdev)
 		return NULL;

 	if (platform_device_add_resources(pdev, abdac0_resource,
 				ARRAY_SIZE(abdac0_resource)))
-		goto err_add_resources;
+		goto out_free_resources;
+
+	dws = &data->dws;
+
+	dws->dma_dev = &dw_dmac0_device.dev;
+	dws->reg_width = DW_DMA_SLAVE_WIDTH_32BIT;
+	dws->cfg_hi = DWC_CFGH_DST_PER(2);
+	dws->cfg_lo &= ~(DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL);
+
+	if (platform_device_add_data(pdev, data,
+				sizeof(struct atmel_abdac_pdata)))
+		goto out_free_resources;

 	pin_mask  = (1 << 20) | (1 << 22);	/* DATA1 & DATAN1 */
 	pin_mask |= (1 << 21) | (1 << 23);	/* DATA0 & DATAN0 */
@ -2080,7 +2126,7 @@ struct platform_device *__init at32_add_device_abdac(unsigned int id)
 	platform_device_add(pdev);
 	return pdev;

-err_add_resources:
+out_free_resources:
 	platform_device_put(pdev);
 	return NULL;
 }
--- a/arch/avr32/mach-at32ap/include/mach/at32ap700x.h
+++ b/arch/avr32/mach-at32ap/include/mach/at32ap700x.h
@ -171,25 +171,49 @@
 		ATMEL_LCDC(PE, DATA20) | ATMEL_LCDC(PE, DATA21) |	\
 		ATMEL_LCDC(PD, DATA22) | ATMEL_LCDC(PD, DATA23))

-#define ATMEL_LCDC_PRI_15B_DATA (					\
-		ATMEL_LCDC(PC, DATA0)  | ATMEL_LCDC(PC, DATA1)  |	\
+#define ATMEL_LCDC_PRI_18B_DATA (					\
 		ATMEL_LCDC(PC, DATA2)  | ATMEL_LCDC(PC, DATA3)  |	\
 		ATMEL_LCDC(PC, DATA4)  | ATMEL_LCDC(PC, DATA5)  |	\
-		ATMEL_LCDC(PD, DATA8)  | ATMEL_LCDC(PD, DATA9)  |	\
+		ATMEL_LCDC(PD, DATA6)  | ATMEL_LCDC(PD, DATA7)  |	\
 		ATMEL_LCDC(PD, DATA10) | ATMEL_LCDC(PD, DATA11) |	\
-		ATMEL_LCDC(PD, DATA12) | ATMEL_LCDC(PD, DATA16) |	\
-		ATMEL_LCDC(PD, DATA17) | ATMEL_LCDC(PD, DATA18) |	\
-		ATMEL_LCDC(PD, DATA19) | ATMEL_LCDC(PD, DATA20))
+		ATMEL_LCDC(PD, DATA12) | ATMEL_LCDC(PD, DATA13) |	\
+		ATMEL_LCDC(PD, DATA14) | ATMEL_LCDC(PD, DATA15) |	\
+		ATMEL_LCDC(PD, DATA18) | ATMEL_LCDC(PD, DATA19) |	\
+		ATMEL_LCDC(PD, DATA20) | ATMEL_LCDC(PD, DATA21) |	\
+		ATMEL_LCDC(PD, DATA22) | ATMEL_LCDC(PD, DATA23))

-#define ATMEL_LCDC_ALT_15B_DATA	(					\
-		ATMEL_LCDC(PE, DATA0)  | ATMEL_LCDC(PE, DATA1)  |	\
+#define ATMEL_LCDC_ALT_18B_DATA	(					\
 		ATMEL_LCDC(PE, DATA2)  | ATMEL_LCDC(PE, DATA3)  |	\
 		ATMEL_LCDC(PE, DATA4)  | ATMEL_LCDC(PC, DATA5)  |	\
-		ATMEL_LCDC(PE, DATA8)  | ATMEL_LCDC(PE, DATA9)  |	\
+		ATMEL_LCDC(PD, DATA6)  | ATMEL_LCDC(PD, DATA7)  |	\
 		ATMEL_LCDC(PE, DATA10) | ATMEL_LCDC(PE, DATA11) |	\
-		ATMEL_LCDC(PE, DATA12) | ATMEL_LCDC(PE, DATA16) |	\
-		ATMEL_LCDC(PE, DATA17) | ATMEL_LCDC(PE, DATA18) |	\
-		ATMEL_LCDC(PE, DATA19) | ATMEL_LCDC(PE, DATA20))
+		ATMEL_LCDC(PE, DATA12) | ATMEL_LCDC(PD, DATA13) |	\
+		ATMEL_LCDC(PD, DATA14) | ATMEL_LCDC(PD, DATA15) |	\
+		ATMEL_LCDC(PE, DATA18) | ATMEL_LCDC(PE, DATA19) |	\
+		ATMEL_LCDC(PE, DATA20) | ATMEL_LCDC(PE, DATA21) |	\
+		ATMEL_LCDC(PD, DATA22) | ATMEL_LCDC(PD, DATA23))
+
+#define ATMEL_LCDC_PRI_15B_DATA (					\
+		ATMEL_LCDC(PC, DATA3)  | ATMEL_LCDC(PC, DATA4)  |	\
+		ATMEL_LCDC(PC, DATA5)  | ATMEL_LCDC(PD, DATA6)  |	\
+		ATMEL_LCDC(PD, DATA7)  |				\
+		ATMEL_LCDC(PD, DATA11) | ATMEL_LCDC(PD, DATA12) |	\
+		ATMEL_LCDC(PD, DATA13) | ATMEL_LCDC(PD, DATA14) |	\
+		ATMEL_LCDC(PD, DATA15) |				\
+		ATMEL_LCDC(PD, DATA19) | ATMEL_LCDC(PD, DATA20) |	\
+		ATMEL_LCDC(PD, DATA21) | ATMEL_LCDC(PD, DATA22) |	\
+		ATMEL_LCDC(PD, DATA23))
+
+#define ATMEL_LCDC_ALT_15B_DATA	(					\
+		ATMEL_LCDC(PE, DATA3)  | ATMEL_LCDC(PE, DATA4)  |	\
+		ATMEL_LCDC(PC, DATA5)  | ATMEL_LCDC(PD, DATA6)  |	\
+		ATMEL_LCDC(PD, DATA7)  |				\
+		ATMEL_LCDC(PE, DATA11) | ATMEL_LCDC(PE, DATA12) |	\
+		ATMEL_LCDC(PD, DATA13) | ATMEL_LCDC(PD, DATA14) |	\
+		ATMEL_LCDC(PD, DATA15) |				\
+		ATMEL_LCDC(PE, DATA19) | ATMEL_LCDC(PE, DATA20) |	\
+		ATMEL_LCDC(PE, DATA21) | ATMEL_LCDC(PD, DATA22) |	\
+		ATMEL_LCDC(PD, DATA23))

 #define ATMEL_LCDC_PRI_CONTROL (					\
 		ATMEL_LCDC(PC, CC)   | ATMEL_LCDC(PC, DVAL) |		\
@ -207,6 +231,10 @@

 #define ATMEL_LCDC_ALT_24BIT	(ATMEL_LCDC_CONTROL | ATMEL_LCDC_ALT_24B_DATA)

+#define ATMEL_LCDC_PRI_18BIT	(ATMEL_LCDC_CONTROL | ATMEL_LCDC_PRI_18B_DATA)
+
+#define ATMEL_LCDC_ALT_18BIT	(ATMEL_LCDC_CONTROL | ATMEL_LCDC_ALT_18B_DATA)
+
 #define ATMEL_LCDC_PRI_15BIT	(ATMEL_LCDC_CONTROL | ATMEL_LCDC_PRI_15B_DATA)

 #define ATMEL_LCDC_ALT_15BIT	(ATMEL_LCDC_CONTROL | ATMEL_LCDC_ALT_15B_DATA)
--- a/arch/avr32/mach-at32ap/include/mach/board.h
+++ b/arch/avr32/mach-at32ap/include/mach/board.h
@ -13,7 +13,7 @@
 * in this array is chip-dependent.
 */
 extern unsigned long at32_board_osc_rates[];
-  
+
 /*
 * This used to add essential system devices, but this is now done
 * automatically. Please don't use it in new board code.
@ -26,12 +26,17 @@ static inline void __deprecated at32_add_system_devices(void)
 #define ATMEL_MAX_UART	4
 extern struct platform_device *atmel_default_console_device;

+/* Flags for selecting USART extra pins */
+#define	ATMEL_USART_RTS		0x01
+#define	ATMEL_USART_CTS		0x02
+#define	ATMEL_USART_CLK		0x03
+
 struct atmel_uart_data {
 	short		use_dma_tx;	/* use transmit DMA? */
 	short		use_dma_rx;	/* use receive DMA? */
 	void __iomem	*regs;		/* virtual base address, if any */
 };
-void at32_map_usart(unsigned int hw_id, unsigned int line);
+void at32_map_usart(unsigned int hw_id, unsigned int line, int flags);
 struct platform_device *at32_add_device_usart(unsigned int id);

 struct eth_platform_data {
@ -88,16 +93,15 @@ struct mci_platform_data;
 struct platform_device *
 at32_add_device_mci(unsigned int id, struct mci_platform_data *data);

-struct ac97c_platform_data {
-	unsigned short dma_rx_periph_id;
-	unsigned short dma_tx_periph_id;
-	unsigned short dma_controller_id;
-	int reset_pin;
-};
+struct ac97c_platform_data;
 struct platform_device *
-at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data);
+at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data,
+		      unsigned int flags);
+
+struct atmel_abdac_pdata;
+struct platform_device *
+at32_add_device_abdac(unsigned int id, struct atmel_abdac_pdata *data);

-struct platform_device *at32_add_device_abdac(unsigned int id);
 struct platform_device *at32_add_device_psif(unsigned int id);

 struct cf_platform_data {
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@ -1020,7 +1020,8 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,

 	/* Get current mode register */
 	mode = UART_GET_MR(port) & ~(ATMEL_US_USCLKS | ATMEL_US_CHRL
-					| ATMEL_US_NBSTOP | ATMEL_US_PAR);
+					| ATMEL_US_NBSTOP | ATMEL_US_PAR
+					| ATMEL_US_USMODE);

 	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 16);
 	quot = uart_get_divisor(port, baud);
@ -1065,6 +1066,12 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
 	} else
 		mode |= ATMEL_US_PAR_NONE;

+	/* hardware handshake (RTS/CTS) */
+	if (termios->c_cflag & CRTSCTS)
+		mode |= ATMEL_US_USMODE_HWHS;
+	else
+		mode |= ATMEL_US_USMODE_NORMAL;
+
 	spin_lock_irqsave(&port->lock, flags);

 	port->read_status_mask = ATMEL_US_OVRE;
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@ -319,7 +319,7 @@ static inline void usba_cleanup_debugfs(struct usba_udc *udc)

 static int vbus_is_present(struct usba_udc *udc)
 {
-	if (udc->vbus_pin != -1)
+	if (gpio_is_valid(udc->vbus_pin))
 		return gpio_get_value(udc->vbus_pin);

 	/* No Vbus detection: Assume always present */
@ -1821,7 +1821,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 	DBG(DBG_GADGET, "registered driver `%s'\n", driver->driver.name);

 	udc->vbus_prev = 0;
-	if (udc->vbus_pin != -1)
+	if (gpio_is_valid(udc->vbus_pin))
 		enable_irq(gpio_to_irq(udc->vbus_pin));

 	/* If Vbus is present, enable the controller and wait for reset */
@ -1852,7 +1852,7 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 	if (driver != udc->driver || !driver->unbind)
 		return -EINVAL;

-	if (udc->vbus_pin != -1)
+	if (gpio_is_valid(udc->vbus_pin))
 		disable_irq(gpio_to_irq(udc->vbus_pin));

 	spin_lock_irqsave(&udc->lock, flags);
@ -1910,7 +1910,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
 	udc->pdev = pdev;
 	udc->pclk = pclk;
 	udc->hclk = hclk;
-	udc->vbus_pin = -1;
+	udc->vbus_pin = -ENODEV;

 	ret = -ENOMEM;
 	udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
@ -1996,7 +1996,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
 		goto err_device_add;
 	}

-	if (pdata->vbus_pin >= 0) {
+	if (gpio_is_valid(pdata->vbus_pin)) {
 		if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) {
 			udc->vbus_pin = pdata->vbus_pin;

@ -2005,7 +2005,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
 					"atmel_usba_udc", udc);
 			if (ret) {
 				gpio_free(udc->vbus_pin);
-				udc->vbus_pin = -1;
+				udc->vbus_pin = -ENODEV;
 				dev_warn(&udc->pdev->dev,
 					 "failed to request vbus irq; "
 					 "assuming always on\n");
@ -2051,7 +2051,7 @@ static int __exit usba_udc_remove(struct platform_device *pdev)
 		usba_ep_cleanup_debugfs(&usba_ep[i]);
 	usba_cleanup_debugfs(udc);

-	if (udc->vbus_pin != -1)
+	if (gpio_is_valid(udc->vbus_pin))
 		gpio_free(udc->vbus_pin);

 	free_irq(udc->irq, udc);
				`@ -0,0 +1 @@`
				`obj-y += setup.o flash.o display.o merisc_sysfs.o`