From: sakura <sakura@sakura-desktop.(none)>
Date: Mon, 6 Dec 2010 04:06:35 +0000 (+0800)
Subject: porting touch driver form rk28 to rk29sdk
X-Git-Tag: firefly_0821_release~10985^2~12
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5367aa0ab84691b020575341906bf253ea569815;p=firefly-linux-kernel-4.4.55.git

porting touch driver form rk28 to rk29sdk
---

diff --git a/arch/arm/mach-rk29/board-rk29sdk.c b/arch/arm/mach-rk29/board-rk29sdk.c
index 934626a29c92..d7cd239e042c 100755
--- a/arch/arm/mach-rk29/board-rk29sdk.c
+++ b/arch/arm/mach-rk29/board-rk29sdk.c
@@ -226,6 +226,53 @@ static struct platform_device rk29_vpu_mem_device = {
 	},
 };
 
+
+/*HANNSTAR_P1003 touch*/
+#if defined (CONFIG_HANNSTAR_P1003)
+#define TOUCH_POWER_PIN RK29_PIN6_PD2
+#define TOUCH_RESET_PIN RK29_PIN6_PC3
+#define TOUCH_INT_PIN   RK29_PIN0_PA2
+
+int p1003_init_platform_hw(void)
+{
+    if(gpio_request(TOUCH_RESET_PIN,NULL) != 0){
+      gpio_free(TOUCH_RESET_PIN);
+      printk("p1003_init_platform_hw gpio_request error\n");
+      return -EIO;
+    }
+
+    if(gpio_request(TOUCH_POWER_PIN,NULL) != 0){
+      gpio_free(TOUCH_POWER_PIN);
+      printk("p1003_init_platform_hw gpio_request error\n");
+      return -EIO;
+    }
+
+    if(gpio_request(TOUCH_INT_PIN,NULL) != 0){
+      gpio_free(TOUCH_INT_PIN);
+      printk("p1003_init_platform_hw gpio_request error\n");
+      return -EIO;
+    }
+    gpio_pull_updown(TOUCH_INT_PIN, 1);
+    gpio_direction_output(TOUCH_RESET_PIN, 0);
+    gpio_direction_output(TOUCH_POWER_PIN, 1);
+    gpio_set_value(TOUCH_POWER_PIN,GPIO_HIGH);
+    mdelay(500);
+    gpio_set_value(TOUCH_RESET_PIN,GPIO_LOW);
+    mdelay(500);
+    gpio_set_value(TOUCH_RESET_PIN,GPIO_HIGH);
+  
+    return 0;
+}
+
+
+struct p1003_platform_data p1003_info = {
+  .model= 1003,
+  .init_platform_hw= p1003_init_platform_hw,
+  
+};
+#endif
+
+
 /*****************************************************************************************
  * i2c devices
  * author: kfx@rock-chips.com
@@ -371,6 +418,15 @@ static struct i2c_board_info __initdata board_i2c1_devices[] = {
 
 #ifdef CONFIG_I2C2_RK29
 static struct i2c_board_info __initdata board_i2c2_devices[] = {
+#if defined (CONFIG_HANNSTAR_P1003)
+    {
+      .type           = "p1003_touch",
+      .addr           = 0x04,
+      .flags          = 0,
+      .irq            = RK29_PIN0_PA2,
+      .platform_data  = &p1003_info,
+    },
+#endif
 };
 #endif
 
diff --git a/arch/arm/mach-rk29/include/mach/board.h b/arch/arm/mach-rk29/include/mach/board.h
index 87d598d19067..905d218fd9de 100755
--- a/arch/arm/mach-rk29/include/mach/board.h
+++ b/arch/arm/mach-rk29/include/mach/board.h
@@ -105,6 +105,17 @@ struct rk29_i2s_platform_data {
 	int (*io_deinit)(void);
 };
 
+/*p1003 touch */
+struct p1003_platform_data {
+    u16     model;
+
+    int     (*get_pendown_state)(void);
+    int     (*init_platform_hw)(void);
+    int     (*p1003_platform_sleep)(void);
+    int     (*p1003_platform_wakeup)(void);
+    void    (*exit_platform_hw)(void);
+};
+
 void __init rk29_map_common_io(void);
 void __init rk29_clock_init(void);
 
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 7ad72bdef7cf..6fa4319fac6f 100755
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -575,5 +575,10 @@ config TOUCHSCREEN_PCAP
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called pcap_ts.
+config HANNSTAR_P1003
+       tristate "Hannstar P1003 touchscreen"
+       depends on I2C2_RK29
+       help
+       RK29 hannstar touch
 	  
 endif
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index f9652d0c0826..0e0d3cf25b03 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -49,3 +49,4 @@ obj-$(CONFIG_TOUCHSCREEN_XPT2046_320X480_SPI)		+= xpt2046_ts_320X480.o
 obj-$(CONFIG_TOUCHSCREEN_XPT2046_320X480_CBN_SPI)		+= xpt2046_cbn_ts.o calibration_ts.o largenum_ts.o calib_iface_ts.o
 obj-$(CONFIG_TOUCHSCREEN_IT7250) += ctp_it7250.o
 obj-$(CONFIG_RK28_I2C_TS_NTP070)	+= ntp070.o
+obj-$(CONFIG_HANNSTAR_P1003)          += hannstar_p1003.o
\ No newline at end of file