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authorMarek Vasut <marek.vasut@gmail.com>2010-03-26 04:45:54 +0100
committerEric Miao <eric.y.miao@gmail.com>2010-05-11 17:25:03 +0200
commit1a8fb70e484589105a77f44bcd11e531c5fbe789 (patch)
treee8e4affc77eea545ee70d6f733b4a3f26f0185c5
parent947fb57e3a6be2920423de42a503eea08b0c0763 (diff)
downloadblackbird-obmc-linux-1a8fb70e484589105a77f44bcd11e531c5fbe789.tar.gz
blackbird-obmc-linux-1a8fb70e484589105a77f44bcd11e531c5fbe789.zip
[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>
-rw-r--r--arch/arm/mach-pxa/vpac270.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index 56cc24575999..fa428ca54902 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -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 */
};
/******************************************************************************
@@ -357,6 +368,36 @@ 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
******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
@@ -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")
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