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Commit 1abcb4cc authored by Fabio Estevam's avatar Fabio Estevam Committed by Sascha Hauer
Browse files

ARM: mach-imx/mx27_3ds: Add LCD support 



On mx27_3ds board there is a l4f00242t03 LCD that is controlled via CSPI1.

Add support for CSPI1 and LCD.

Signed-off-by: default avatarFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent f9e9fc27

arch/arm/mach-imx/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -278,6 +278,7 @@ config MACH_MX27_3DS 
	select SOC_IMX27

	select IMX_HAVE_PLATFORM_FSL_USB2_UDC

	select IMX_HAVE_PLATFORM_IMX2_WDT

	select IMX_HAVE_PLATFORM_IMX_FB

	select IMX_HAVE_PLATFORM_IMX_I2C

	select IMX_HAVE_PLATFORM_IMX_KEYPAD

	select IMX_HAVE_PLATFORM_IMX_UART

arch/arm/mach-imx/mach-mx27_3ds.c

+90 −0
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#include <linux/mfd/mc13783.h>

#include <linux/spi/spi.h>

#include <linux/regulator/machine.h>

#include <linux/spi/l4f00242t03.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -47,7 +48,10 @@ 
#define SPI2_SS0		IMX_GPIO_NR(4, 21)

#define EXPIO_PARENT_INT	gpio_to_irq(IMX_GPIO_NR(3, 28))

#define PMIC_INT		IMX_GPIO_NR(3, 14)

#define SPI1_SS0		IMX_GPIO_NR(4, 28)

#define SD1_CD			IMX_GPIO_NR(2, 26)

#define LCD_RESET		IMX_GPIO_NR(1, 3)

#define LCD_ENABLE		IMX_GPIO_NR(1, 31)



static const int mx27pdk_pins[] __initconst = {

	/* UART1 */
@@ -96,6 +100,12 @@ static const int mx27pdk_pins[] __initconst = { 
	PE2_PF_USBOTG_DIR,

	PE24_PF_USBOTG_CLK,

	PE25_PF_USBOTG_DATA7,

	/* CSPI1 */

	PD31_PF_CSPI1_MOSI,

	PD30_PF_CSPI1_MISO,

	PD29_PF_CSPI1_SCLK,

	PD25_PF_CSPI1_RDY,

	SPI1_SS0 | GPIO_GPIO | GPIO_OUT,

	/* CSPI2 */

	PD22_PF_CSPI2_SCLK,

	PD23_PF_CSPI2_MISO,
@@ -106,6 +116,31 @@ static const int mx27pdk_pins[] __initconst = { 
	PD18_PF_I2C_CLK,

	/* PMIC INT */

	PMIC_INT | GPIO_GPIO | GPIO_IN,

	/* LCD */

	PA5_PF_LSCLK,

	PA6_PF_LD0,

	PA7_PF_LD1,

	PA8_PF_LD2,

	PA9_PF_LD3,

	PA10_PF_LD4,

	PA11_PF_LD5,

	PA12_PF_LD6,

	PA13_PF_LD7,

	PA14_PF_LD8,

	PA15_PF_LD9,

	PA16_PF_LD10,

	PA17_PF_LD11,

	PA18_PF_LD12,

	PA19_PF_LD13,

	PA20_PF_LD14,

	PA21_PF_LD15,

	PA22_PF_LD16,

	PA23_PF_LD17,

	PA28_PF_HSYNC,

	PA29_PF_VSYNC,

	PA30_PF_CONTRAST,

	LCD_ENABLE | GPIO_GPIO | GPIO_OUT,

	LCD_RESET | GPIO_GPIO | GPIO_OUT,

};



static const struct imxuart_platform_data uart_pdata __initconst = {
@@ -262,6 +297,13 @@ static struct mc13xxx_platform_data mc13783_pdata = { 
};



/* SPI */

static int spi1_chipselect[] = {SPI1_SS0};



static const struct spi_imx_master spi1_pdata __initconst = {

	.chipselect	= spi1_chipselect,

	.num_chipselect	= ARRAY_SIZE(spi1_chipselect),

};



static int spi2_chipselect[] = {SPI2_SS0};



static const struct spi_imx_master spi2_pdata __initconst = {
@@ -269,6 +311,46 @@ static const struct spi_imx_master spi2_pdata __initconst = { 
	.num_chipselect	= ARRAY_SIZE(spi2_chipselect),

};



static struct imx_fb_videomode mx27_3ds_modes[] = {

	{	/* 480x640 @ 60 Hz */

		.mode = {

			.name		= "Epson-VGA",

			.refresh	= 60,

			.xres		= 480,

			.yres		= 640,

			.pixclock	= 41701,

			.left_margin	= 20,

			.right_margin	= 41,

			.upper_margin	= 10,

			.lower_margin	= 5,

			.hsync_len	= 20,

			.vsync_len	= 10,

			.sync		= FB_SYNC_OE_ACT_HIGH |

						FB_SYNC_CLK_INVERT,

			.vmode		= FB_VMODE_NONINTERLACED,

			.flag		= 0,

		},

		.bpp		= 16,

		.pcr		= 0xFAC08B82,

	},

};



static const struct imx_fb_platform_data mx27_3ds_fb_data __initconst = {

	.mode = mx27_3ds_modes,

	.num_modes = ARRAY_SIZE(mx27_3ds_modes),

	.pwmr		= 0x00A903FF,

	.lscr1		= 0x00120300,

	.dmacr		= 0x00020010,

};



/* LCD */

static struct l4f00242t03_pdata mx27_3ds_lcd_pdata = {

	.reset_gpio		= LCD_RESET,

	.data_enable_gpio	= LCD_ENABLE,

	.core_supply		= "lcd_2v8",

	.io_supply		= "vdd_lcdio",

};



static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {

	{

		.modalias	= "mc13783",
@@ -278,6 +360,12 @@ static struct spi_board_info mx27_3ds_spi_devs[] __initdata = { 
		.platform_data	= &mc13783_pdata,

		.irq = gpio_to_irq(PMIC_INT),

		.mode = SPI_CS_HIGH,

	}, {

		.modalias	= "l4f00242t03",

		.max_speed_hz	= 5000000,

		.bus_num	= 0,

		.chip_select	= 0, /* SS0 */

		.platform_data	= &mx27_3ds_lcd_pdata,

	},

};
@@ -311,12 +399,14 @@ static void __init mx27pdk_init(void) 
		imx27_add_fsl_usb2_udc(&otg_device_pdata);



	imx27_add_spi_imx1(&spi2_pdata);

	imx27_add_spi_imx0(&spi1_pdata);

	spi_register_board_info(mx27_3ds_spi_devs,

						ARRAY_SIZE(mx27_3ds_spi_devs));



	if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT))

		pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n");

	imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data);

	imx27_add_imx_fb(&mx27_3ds_fb_data);

}



static void __init mx27pdk_timer_init(void)