Blackfin arch: Add AD7879 defaults for the Blackfin Landscape LCD EZ-Extender
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
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cc92b870a7
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5105432a32
@ -288,6 +288,30 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = {
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};
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};
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#endif
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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 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_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
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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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#endif
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#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
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#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
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&& defined(CONFIG_SND_SOC_WM8731_SPI)
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&& defined(CONFIG_SND_SOC_WM8731_SPI)
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static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
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static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
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@ -386,6 +410,18 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
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.controller_data = &spi_ad7877_chip_info,
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.controller_data = &spi_ad7877_chip_info,
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},
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},
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#endif
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#endif
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#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_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_PG0,
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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 = 5,
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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_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
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#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
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&& defined(CONFIG_SND_SOC_WM8731_SPI)
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&& defined(CONFIG_SND_SOC_WM8731_SPI)
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{
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{
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@ -534,6 +534,30 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = {
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};
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};
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#endif
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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 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_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
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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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#endif
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#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
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#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
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&& defined(CONFIG_SND_SOC_WM8731_SPI)
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&& defined(CONFIG_SND_SOC_WM8731_SPI)
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static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
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static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
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@ -624,6 +648,18 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
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.controller_data = &spi_ad7877_chip_info,
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.controller_data = &spi_ad7877_chip_info,
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},
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},
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#endif
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#endif
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#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_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_PF8,
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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 = 3,
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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_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
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#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
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&& defined(CONFIG_SND_SOC_WM8731_SPI)
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&& defined(CONFIG_SND_SOC_WM8731_SPI)
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{
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{
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