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Commit a2ed4065 authored by Ben Dooks's avatar Ben Dooks
Browse files

[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: default avatarBen Dooks <ben-linux@fluff.org>
parent 0f99263c

arch/arm/mach-s3c2412/mach-jive.c

+55 −0
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@ 
#include <linux/serial_core.h>

#include <linux/platform_device.h>



#include <linux/spi/spi.h>



#include <linux/mtd/mtd.h>

#include <linux/mtd/partitions.h>
@@ -34,6 +36,7 @@ 
#include <asm/arch/regs-gpio.h>

#include <asm/arch/regs-mem.h>

#include <asm/arch/regs-lcd.h>

#include <asm/arch/spi-gpio.h>

#include <asm/arch/fb.h>



#include <asm/mach-types.h>
@@ -346,12 +349,48 @@ struct s3c2410fb_mach_info jive_lcd_config = { 
			   S3C2410_GPDCON_MASK(14) | S3C2410_GPDCON_MASK(15)),

};



/* LCD SPI support */



static void jive_lcd_spi_chipselect(struct s3c2410_spigpio_info *spi, int cs)

{

	s3c2410_gpio_setpin(S3C2410_GPB7, cs ? 0 : 1);

}



static struct s3c2410_spigpio_info jive_lcd_spi = {

	.bus_num	= 1,

	.pin_clk	= S3C2410_GPG8,

	.pin_mosi	= S3C2410_GPB8,

	.chip_select	= jive_lcd_spi_chipselect,

};



static struct platform_device jive_device_lcdspi = {

	.name		= "s3c24xx-spi-gpio",

	.id		= 1,

	.num_resources  = 0,

	.dev.platform_data = &jive_lcd_spi,

};



/* JIVE SPI devices. */





static struct spi_board_info __initdata jive_spi_devs[] = {

	[0] = {

		.modalias	= "VGG2432A4",

		.bus_num	= 1,

		.chip_select	= 0,

		.mode		= SPI_MODE_3,	/* CPOL=1, CPHA=1 */

		.max_speed_hz	= 100000,

	},

};





static struct platform_device *jive_devices[] __initdata = {

	&s3c_device_usb,

	&s3c_device_rtc,

	&s3c_device_wdt,

	&s3c_device_i2c,

	&s3c_device_lcd,

	&jive_device_lcdspi,

	&s3c_device_nand,

	&s3c_device_usbgadget,

};
@@ -502,6 +541,20 @@ static void __init jive_machine_init(void) 


	s3c_device_nand.dev.platform_data = &jive_nand_info;



	/* initialise the spi */



	s3c2410_gpio_setpin(S3C2410_GPG13, 0);

	s3c2410_gpio_cfgpin(S3C2410_GPG13, S3C2410_GPIO_OUTPUT);



	s3c2410_gpio_setpin(S3C2410_GPB7, 1);

	s3c2410_gpio_cfgpin(S3C2410_GPB7, S3C2410_GPIO_OUTPUT);



	s3c2410_gpio_setpin(S3C2410_GPB6, 0);

	s3c2410_gpio_cfgpin(S3C2410_GPB6, S3C2410_GPIO_OUTPUT);



	s3c2410_gpio_setpin(S3C2410_GPG8, 1);

	s3c2410_gpio_cfgpin(S3C2410_GPG8, S3C2410_GPIO_OUTPUT);



	/* Turn off suspend on both USB ports, and switch the

	 * selectable USB port to USB device mode. */
@@ -512,6 +565,8 @@ static void __init jive_machine_init(void) 
	s3c24xx_udc_set_platdata(&jive_udc_cfg);

	s3c24xx_fb_set_platdata(&jive_lcd_config);



	spi_register_board_info(jive_spi_devs, ARRAY_SIZE(jive_spi_devs));



	platform_add_devices(jive_devices, ARRAY_SIZE(jive_devices));

}