Commit 83e560ee authored by Igor Grinberg's avatar Igor Grinberg Committed by Eric Miao
Browse files

[ARM] pxa/cm-x300: add TDO35S lcd support 



Signed-off-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarMike Rapoport <mike@compulab.co.il>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 55052ea2

arch/arm/mach-pxa/cm-x300.c

+57 −3
Original line number Diff line number Diff line
@@ -26,6 +26,10 @@ 
#include <linux/i2c.h>

#include <linux/i2c/pca953x.h>



#include <linux/spi/spi.h>

#include <linux/spi/spi_gpio.h>

#include <linux/spi/tdo24m.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/setup.h>
@@ -208,17 +212,18 @@ static void __init cm_x300_init_dm9000(void) 
static inline void cm_x300_init_dm9000(void) {}

#endif



/* LCD */

#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)

static struct pxafb_mode_info cm_x300_lcd_modes[] = {

	[0] = {

		.pixclock	= 38000,

		.pixclock	= 38250,

		.bpp		= 16,

		.xres		= 480,

		.yres		= 640,

		.hsync_len	= 8,

		.vsync_len	= 2,

		.left_margin	= 8,

		.upper_margin	= 0,

		.upper_margin	= 2,

		.right_margin	= 24,

		.lower_margin	= 4,

		.cmap_greyscale	= 0,
@@ -240,7 +245,7 @@ static struct pxafb_mode_info cm_x300_lcd_modes[] = { 


static struct pxafb_mach_info cm_x300_lcd = {

	.modes			= cm_x300_lcd_modes,

	.num_modes		= 2,

	.num_modes		= ARRAY_SIZE(cm_x300_lcd_modes),

	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,

};
@@ -252,6 +257,54 @@ static void __init cm_x300_init_lcd(void) 
static inline void cm_x300_init_lcd(void) {}

#endif



#if defined(CONFIG_SPI_GPIO) || defined(CONFIG_SPI_GPIO_MODULE)

#define GPIO_LCD_BASE	(144)

#define GPIO_LCD_DIN	(GPIO_LCD_BASE + 8)	/* aux_gpio3_0 */

#define GPIO_LCD_DOUT	(GPIO_LCD_BASE + 9)	/* aux_gpio3_1 */

#define GPIO_LCD_SCL	(GPIO_LCD_BASE + 10)	/* aux_gpio3_2 */

#define GPIO_LCD_CS	(GPIO_LCD_BASE + 11)	/* aux_gpio3_3 */

#define LCD_SPI_BUS_NUM	(1)



static struct spi_gpio_platform_data cm_x300_spi_gpio_pdata = {

	.sck		= GPIO_LCD_SCL,

	.mosi		= GPIO_LCD_DIN,

	.miso		= GPIO_LCD_DOUT,

	.num_chipselect	= 1,

};



static struct platform_device cm_x300_spi_gpio = {

	.name		= "spi_gpio",

	.id		= LCD_SPI_BUS_NUM,

	.dev		= {

		.platform_data	= &cm_x300_spi_gpio_pdata,

	},

};



static struct tdo24m_platform_data cm_x300_tdo24m_pdata = {

	.model = TDO35S,

};



static struct spi_board_info cm_x300_spi_devices[] __initdata = {

	{

		.modalias		= "tdo24m",

		.max_speed_hz		= 1000000,

		.bus_num		= LCD_SPI_BUS_NUM,

		.chip_select		= 0,

		.controller_data	= (void *) GPIO_LCD_CS,

		.platform_data		= &cm_x300_tdo24m_pdata,

	},

};



static void __init cm_x300_init_spi(void)

{

	spi_register_board_info(cm_x300_spi_devices,

				ARRAY_SIZE(cm_x300_spi_devices));

	platform_device_register(&cm_x300_spi_gpio);

}

#else

static inline void cm_x300_init_spi(void) {}

#endif



#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)

static struct mtd_partition cm_x300_nand_partitions[] = {

	[0] = {
@@ -476,6 +529,7 @@ static void __init cm_x300_init(void) 
	cm_x300_init_nand();

	cm_x300_init_leds();

	cm_x300_init_i2c();

	cm_x300_init_spi();

	cm_x300_init_rtc();

}