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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: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
hifive-unleashed-5.1
Fabio Estevam 2011-06-22 09:25:25 -03:00 committed by Sascha Hauer
parent f9e9fc2736
commit 1abcb4cca3
2 changed files with 91 additions and 0 deletions

View File

@ -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

View File

@ -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)