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authorFabio Estevam <fabio.estevam@freescale.com>2011-06-22 09:25:25 -0300
committerSascha Hauer <s.hauer@pengutronix.de>2011-07-07 10:01:10 +0200
commit1abcb4cca3a964a8dde1c1e2988fd9a9a1470178 (patch)
tree108fe2a836d8c9d03b8398974ff2d9148f9ca9ea /arch/arm/mach-imx/mach-mx27_3ds.c
parentf9e9fc2736805fe812d9d27444f57733453386fb (diff)
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>
Diffstat (limited to 'arch/arm/mach-imx/mach-mx27_3ds.c')
-rw-r--r--arch/arm/mach-imx/mach-mx27_3ds.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c
index b31d4129e10e..7b7c817474de 100644
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -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)