diff options
Diffstat (limited to 'arch/arm/mach-ux500/board-mop500-stuib.c')
-rw-r--r-- | arch/arm/mach-ux500/board-mop500-stuib.c | 93 |
1 files changed, 4 insertions, 89 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-stuib.c b/arch/arm/mach-ux500/board-mop500-stuib.c index 8c979770d872..7e1f294f0434 100644 --- a/arch/arm/mach-ux500/board-mop500-stuib.c +++ b/arch/arm/mach-ux500/board-mop500-stuib.c @@ -77,9 +77,6 @@ static struct i2c_board_info __initdata mop500_i2c0_devices_stuib[] = { * BU21013 ROHM touchscreen interface on the STUIBs */ -/* tracks number of bu21013 devices being enabled */ -static int bu21013_devices; - #define TOUCH_GPIO_PIN 84 #define TOUCH_XMAX 384 @@ -88,85 +85,8 @@ static int bu21013_devices; #define PRCMU_CLOCK_OCR 0x1CC #define TSC_EXT_CLOCK_9_6MHZ 0x840000 -/** - * bu21013_gpio_board_init : configures the touch panel. - * @reset_pin: reset pin number - * This function can be used to configures - * the voltage and reset the touch panel controller. - */ -static int bu21013_gpio_board_init(int reset_pin) -{ - int retval = 0; - - bu21013_devices++; - if (bu21013_devices == 1) { - retval = gpio_request(reset_pin, "touchp_reset"); - if (retval) { - printk(KERN_ERR "Unable to request gpio reset_pin"); - return retval; - } - retval = gpio_direction_output(reset_pin, 1); - if (retval < 0) { - printk(KERN_ERR "%s: gpio direction failed\n", - __func__); - return retval; - } - } - - return retval; -} - -/** - * bu21013_gpio_board_exit : deconfigures the touch panel controller - * @reset_pin: reset pin number - * This function can be used to deconfigures the chip selection - * for touch panel controller. - */ -static int bu21013_gpio_board_exit(int reset_pin) -{ - int retval = 0; - - if (bu21013_devices == 1) { - retval = gpio_direction_output(reset_pin, 0); - if (retval < 0) { - printk(KERN_ERR "%s: gpio direction failed\n", - __func__); - return retval; - } - gpio_set_value(reset_pin, 0); - } - bu21013_devices--; - - return retval; -} - -/** - * bu21013_read_pin_val : get the interrupt pin value - * This function can be used to get the interrupt pin value for touch panel - * controller. - */ -static int bu21013_read_pin_val(void) -{ - return gpio_get_value(TOUCH_GPIO_PIN); -} - static struct bu21013_platform_device tsc_plat_device = { - .cs_en = bu21013_gpio_board_init, - .cs_dis = bu21013_gpio_board_exit, - .irq_read_val = bu21013_read_pin_val, - .irq = NOMADIK_GPIO_TO_IRQ(TOUCH_GPIO_PIN), - .touch_x_max = TOUCH_XMAX, - .touch_y_max = TOUCH_YMAX, - .ext_clk = false, - .x_flip = false, - .y_flip = true, -}; - -static struct bu21013_platform_device tsc_plat2_device = { - .cs_en = bu21013_gpio_board_init, - .cs_dis = bu21013_gpio_board_exit, - .irq_read_val = bu21013_read_pin_val, - .irq = NOMADIK_GPIO_TO_IRQ(TOUCH_GPIO_PIN), + .touch_pin = TOUCH_GPIO_PIN, .touch_x_max = TOUCH_XMAX, .touch_y_max = TOUCH_YMAX, .ext_clk = false, @@ -181,21 +101,16 @@ static struct i2c_board_info __initdata u8500_i2c3_devices_stuib[] = { }, { I2C_BOARD_INFO("bu21013_tp", 0x5D), - .platform_data = &tsc_plat2_device, + .platform_data = &tsc_plat_device, }, - }; void __init mop500_stuib_init(void) { - if (machine_is_hrefv60()) { + if (machine_is_hrefv60()) tsc_plat_device.cs_pin = HREFV60_TOUCH_RST_GPIO; - tsc_plat2_device.cs_pin = HREFV60_TOUCH_RST_GPIO; - } else { + else tsc_plat_device.cs_pin = GPIO_BU21013_CS; - tsc_plat2_device.cs_pin = GPIO_BU21013_CS; - - } mop500_uib_i2c_add(0, mop500_i2c0_devices_stuib, ARRAY_SIZE(mop500_i2c0_devices_stuib)); |