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[ARM] pxa/vpac270: Add touchscreen support
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>
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@ -22,11 +22,13 @@
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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#include <linux/dm9000.h>
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#include <linux/ucb1400.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/pxa27x.h>
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#include <mach/audio.h>
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#include <mach/vpac270.h>
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#include <mach/mmc.h>
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#include <mach/pxafb.h>
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@ -121,6 +123,15 @@ static unsigned long vpac270_pin_config[] __initdata = {
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/* Ethernet */
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GPIO114_GPIO, /* IRQ */
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/* AC97 */
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GPIO28_AC97_BITCLK,
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GPIO29_AC97_SDATA_IN_0,
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GPIO30_AC97_SDATA_OUT,
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GPIO31_AC97_SYNC,
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GPIO95_AC97_nRESET,
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GPIO98_AC97_SYSCLK,
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GPIO113_GPIO, /* TS IRQ */
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};
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/******************************************************************************
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@ -356,6 +367,36 @@ static void __init vpac270_eth_init(void)
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static inline void vpac270_eth_init(void) {}
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#endif
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/******************************************************************************
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* Audio and Touchscreen
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******************************************************************************/
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#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
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defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
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static pxa2xx_audio_ops_t vpac270_ac97_pdata = {
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.reset_gpio = 95,
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};
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static struct ucb1400_pdata vpac270_ucb1400_pdata = {
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.irq = IRQ_GPIO(113),
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};
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static struct platform_device vpac270_ucb1400_device = {
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.name = "ucb1400_core",
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.id = -1,
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.dev = {
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.platform_data = &vpac270_ucb1400_pdata,
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},
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};
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static void __init vpac270_ts_init(void)
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{
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pxa_set_ac97_info(&vpac270_ac97_pdata);
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platform_device_register(&vpac270_ucb1400_device);
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}
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#else
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static inline void vpac270_ts_init(void) {}
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#endif
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/******************************************************************************
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* Framebuffer
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******************************************************************************/
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@ -439,6 +480,7 @@ static void __init vpac270_init(void)
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vpac270_uhc_init();
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vpac270_udc_init();
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vpac270_eth_init();
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vpac270_ts_init();
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}
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MACHINE_START(VPAC270, "Voipac PXA270")
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