Blackfin arch: AD7879 Touchscreen driver
Add AD7879 Touchscreen driver to the device structures Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
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@ -51,7 +51,6 @@
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#include <asm/reboot.h>
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#include <asm/portmux.h>
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#include <asm/dpmc.h>
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#include <linux/spi/ad7877.h>
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/*
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* Name the Board for the /proc/cpuinfo
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@ -555,6 +554,7 @@ static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
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#endif
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#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
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#include <linux/spi/ad7877.h>
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static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
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.enable_dma = 0,
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.bits_per_word = 16,
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@ -575,6 +575,28 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = {
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};
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#endif
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#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
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#include <linux/spi/ad7879.h>
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static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
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.enable_dma = 0,
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.bits_per_word = 16,
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};
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static const struct ad7879_platform_data bfin_ad7879_ts_info = {
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.model = 7879, /* Model = AD7879 */
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.x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
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.pressure_max = 10000,
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.pressure_min = 0,
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.first_conversion_delay = 3, /* wait 512us before do a first conversion */
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.acquisition_time = 1, /* 4us acquisition time per sample */
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.median = 2, /* do 8 measurements */
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.averaging = 1, /* take the average of 4 middle samples */
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.pen_down_acc_interval = 255, /* 9.4 ms */
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.gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */
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.gpio_default = 1, /* During initialization set GPIO = HIGH */
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};
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#endif
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#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
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static struct bfin5xx_spi_chip spidev_chip_info = {
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.enable_dma = 0,
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@ -728,6 +750,18 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
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.controller_data = &spi_ad7877_chip_info,
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},
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#endif
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#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
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{
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.modalias = "ad7879",
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.platform_data = &bfin_ad7879_ts_info,
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.irq = IRQ_PF7,
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.max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 1,
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.controller_data = &spi_ad7879_chip_info,
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.mode = SPI_CPHA | SPI_CPOL,
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},
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#endif
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#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
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{
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.modalias = "spidev",
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@ -742,7 +776,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
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.modalias = "bfin-lq035q1-spi",
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.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 1,
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.chip_select = 2,
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.controller_data = &lq035q1_spi_chip_info,
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.mode = SPI_CPHA | SPI_CPOL,
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},
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@ -799,7 +833,7 @@ static struct platform_device bfin_fb_adv7393_device = {
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static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
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.mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
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.use_bl = 1,
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.use_bl = 0, /* let something else control the LCD Blacklight */
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.gpio_bl = GPIO_PF7,
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};
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