Commit 1a8fb70e authored by Marek Vasut's avatar Marek Vasut Committed by Eric Miao
Browse files

[ARM] pxa/vpac270: Add touchscreen support 



This adds support for the UCB1400 touchscreen found in the VPAC270 device.

Signed-off-by: default avatarMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 947fb57e

arch/arm/mach-pxa/vpac270.c

+42 −0
Original line number Diff line number Diff line
@@ -22,11 +22,13 @@ 
#include <linux/mtd/partitions.h>

#include <linux/mtd/physmap.h>

#include <linux/dm9000.h>

#include <linux/ucb1400.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>



#include <mach/pxa27x.h>

#include <mach/audio.h>

#include <mach/vpac270.h>

#include <mach/mmc.h>

#include <mach/pxafb.h>
@@ -121,6 +123,15 @@ static unsigned long vpac270_pin_config[] __initdata = { 


	/* Ethernet */

	GPIO114_GPIO,	/* IRQ */



	/* AC97 */

	GPIO28_AC97_BITCLK,

	GPIO29_AC97_SDATA_IN_0,

	GPIO30_AC97_SDATA_OUT,

	GPIO31_AC97_SYNC,

	GPIO95_AC97_nRESET,

	GPIO98_AC97_SYSCLK,

	GPIO113_GPIO,	/* TS IRQ */

};



/******************************************************************************
@@ -356,6 +367,36 @@ static void __init vpac270_eth_init(void) 
static inline void vpac270_eth_init(void) {}

#endif



/******************************************************************************

 * Audio and Touchscreen

 ******************************************************************************/

#if	defined(CONFIG_TOUCHSCREEN_UCB1400) || \

	defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)

static pxa2xx_audio_ops_t vpac270_ac97_pdata = {

	.reset_gpio	= 95,

};



static struct ucb1400_pdata vpac270_ucb1400_pdata = {

	.irq		= IRQ_GPIO(113),

};



static struct platform_device vpac270_ucb1400_device = {

	.name		= "ucb1400_core",

	.id		= -1,

	.dev		= {

		.platform_data = &vpac270_ucb1400_pdata,

	},

};



static void __init vpac270_ts_init(void)

{

	pxa_set_ac97_info(&vpac270_ac97_pdata);

	platform_device_register(&vpac270_ucb1400_device);

}

#else

static inline void vpac270_ts_init(void) {}

#endif



/******************************************************************************

 * Framebuffer

 ******************************************************************************/
@@ -439,6 +480,7 @@ static void __init vpac270_init(void) 
	vpac270_uhc_init();

	vpac270_udc_init();

	vpac270_eth_init();

	vpac270_ts_init();

}



MACHINE_START(VPAC270, "Voipac PXA270")