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>

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)