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[ARM] pxa/colibri270: Add TSC support

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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 2010-05-22 00:29:37 +02:00 committed by Eric Miao
parent 8f146191b8
commit 7cca84abf4
2 changed files with 43 additions and 0 deletions
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42
arch/arm/mach-pxa/colibri-pxa270.c
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@ -22,6 +22,7 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/gpio.h>
#include <linux/ucb1400.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/irq.h>
@ -31,6 +32,7 @@
#include <asm/mach/irq.h>
#include <asm/mach/flash.h>
#include <mach/audio.h>
#include <mach/pxa27x.h>
#include <mach/colibri.h>
#include <mach/mmc.h>
@ -66,6 +68,15 @@ static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = {
GPIO89_USBH1_PEN,
GPIO119_USBH2_PWR,
GPIO120_USBH2_PEN,
/* AC97 */
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
GPIO95_AC97_nRESET,
GPIO98_AC97_SYSCLK,
GPIO113_GPIO, /* Touchscreen IRQ */
};
/******************************************************************************
@ -205,6 +216,36 @@ static void __init colibri_pxa270_uhc_init(void)
static inline void colibri_pxa270_uhc_init(void) {}
#endif
/******************************************************************************
* Audio and Touchscreen
******************************************************************************/
#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = {
.reset_gpio = 95,
};
static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = {
.irq = gpio_to_irq(GPIO113_COLIBRI_PXA270_TS_IRQ),
};
static struct platform_device colibri_pxa270_ucb1400_device = {
.name = "ucb1400_core",
.id = -1,
.dev = {
.platform_data = &colibri_pxa270_ucb1400_pdata,
},
};
static void __init colibri_pxa270_tsc_init(void)
{
pxa_set_ac97_info(&colibri_pxa270_ac97_pdata);
platform_device_register(&colibri_pxa270_ucb1400_device);
}
#else
static inline void colibri_pxa270_tsc_init(void) {}
#endif
static void __init colibri_pxa270_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config));
@ -216,6 +257,7 @@ static void __init colibri_pxa270_init(void)
colibri_pxa270_eth_init();
colibri_pxa270_mmc_init();
colibri_pxa270_uhc_init();
colibri_pxa270_tsc_init();
}
MACHINE_START(COLIBRI, "Toradex Colibri PXA270")

1
arch/arm/mach-pxa/include/mach/colibri.h
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@ -36,6 +36,7 @@ static inline void colibri_pxa3xx_init_nand(void) {}
/* GPIO definitions for Colibri PXA270 */
#define GPIO114_COLIBRI_PXA270_ETH_IRQ 114
#define GPIO0_COLIBRI_PXA270_SD_DETECT 0
#define GPIO113_COLIBRI_PXA270_TS_IRQ 113
#endif /* _COLIBRI_H_ */