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[ARM] pxa/vpac270: Add touchscreen support

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

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Marek Vasut 2010-03-26 04:45:54 +01:00 committed by Eric Miao
parent 947fb57e3a
commit 1a8fb70e48
1 changed files with 42 additions and 0 deletions
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42
arch/arm/mach-pxa/vpac270.c
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@ -22,11 +22,13 @@
#include <linux/mtd/partitions.h> #include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h> #include <linux/mtd/physmap.h>
#include <linux/dm9000.h> #include <linux/dm9000.h>
#include <linux/ucb1400.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <mach/pxa27x.h> #include <mach/pxa27x.h>
#include <mach/audio.h>
#include <mach/vpac270.h> #include <mach/vpac270.h>
#include <mach/mmc.h> #include <mach/mmc.h>
#include <mach/pxafb.h> #include <mach/pxafb.h>
@ -121,6 +123,15 @@ static unsigned long vpac270_pin_config[] __initdata = {
/* Ethernet */ /* Ethernet */
GPIO114_GPIO, /* IRQ */ 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) {} static inline void vpac270_eth_init(void) {}
#endif #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 * Framebuffer
******************************************************************************/ ******************************************************************************/
@ -439,6 +480,7 @@ static void __init vpac270_init(void)
vpac270_uhc_init(); vpac270_uhc_init();
vpac270_udc_init(); vpac270_udc_init();
vpac270_eth_init(); vpac270_eth_init();
vpac270_ts_init();
} }
MACHINE_START(VPAC270, "Voipac PXA270") MACHINE_START(VPAC270, "Voipac PXA270")