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[ARM] JIVE: Add SPI bus definitions for LCD controller
Add the definitions for the VGG2432A4 intelligent LCD display conneected via an GPIO-based SPI bus on the Logitech Jive. Signed-of-by: Ben Dooks <ben-linux@fluff.org>
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@ -20,6 +20,8 @@
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#include <linux/serial_core.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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@ -34,6 +36,7 @@
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#include <asm/arch/regs-gpio.h>
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#include <asm/arch/regs-mem.h>
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#include <asm/arch/regs-lcd.h>
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#include <asm/arch/spi-gpio.h>
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#include <asm/arch/fb.h>
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#include <asm/mach-types.h>
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@ -346,12 +349,48 @@ struct s3c2410fb_mach_info jive_lcd_config = {
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S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),
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};
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/* LCD SPI support */
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static void jive_lcd_spi_chipselect(struct s3c2410_spigpio_info *spi, int cs)
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{
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s3c2410_gpio_setpin(S3C2410_GPB7, cs ? 0 : 1);
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}
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static struct s3c2410_spigpio_info jive_lcd_spi = {
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.bus_num = 1,
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.pin_clk = S3C2410_GPG8,
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.pin_mosi = S3C2410_GPB8,
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.chip_select = jive_lcd_spi_chipselect,
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};
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static struct platform_device jive_device_lcdspi = {
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.name = "s3c24xx-spi-gpio",
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.id = 1,
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.num_resources = 0,
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.dev.platform_data = &jive_lcd_spi,
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};
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/* JIVE SPI devices. */
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static struct spi_board_info __initdata jive_spi_devs[] = {
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[0] = {
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.modalias = "VGG2432A4",
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.bus_num = 1,
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.chip_select = 0,
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.mode = SPI_MODE_3, /* CPOL=1, CPHA=1 */
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.max_speed_hz = 100000,
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},
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};
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static struct platform_device *jive_devices[] __initdata = {
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&s3c_device_usb,
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&s3c_device_rtc,
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&s3c_device_wdt,
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&s3c_device_i2c,
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&s3c_device_lcd,
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&jive_device_lcdspi,
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&s3c_device_nand,
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&s3c_device_usbgadget,
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};
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@ -502,6 +541,20 @@ static void __init jive_machine_init(void)
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s3c_device_nand.dev.platform_data = &jive_nand_info;
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/* initialise the spi */
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s3c2410_gpio_setpin(S3C2410_GPG13, 0);
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s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPIO_OUTPUT);
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s3c2410_gpio_setpin(S3C2410_GPB7, 1);
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s3c2410_gpio_cfgpin(S3C2410_GPB7, S3C2410_GPIO_OUTPUT);
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s3c2410_gpio_setpin(S3C2410_GPB6, 0);
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s3c2410_gpio_cfgpin(S3C2410_GPB6, S3C2410_GPIO_OUTPUT);
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s3c2410_gpio_setpin(S3C2410_GPG8, 1);
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s3c2410_gpio_cfgpin(S3C2410_GPG8, S3C2410_GPIO_OUTPUT);
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/* Turn off suspend on both USB ports, and switch the
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* selectable USB port to USB device mode. */
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@ -512,6 +565,8 @@ static void __init jive_machine_init(void)
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s3c24xx_udc_set_platdata(&jive_udc_cfg);
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s3c24xx_fb_set_platdata(&jive_lcd_config);
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spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs));
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platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices));
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}
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