mach-mx31_3ds: Add support for framebuffer and LCD

Signed-off-by: Alberto Panizzo <alberto@amarulasolutions.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 130 insertions, 0 deletions

diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index cff920696e79..d760a06c9e3c 100644
--- a/arch/arm/mach-mx3/mach-mx31_3ds.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -21,6 +21,7 @@
 #include <linux/platform_device.h>
 #include <linux/mfd/mc13783.h>
 #include <linux/spi/spi.h>
+#include <linux/spi/l4f00242t03.h>
 #include <linux/regulator/machine.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
@@ -36,6 +37,8 @@
 #include <mach/3ds_debugboard.h>
 #include <mach/ulpi.h>
 #include <mach/mmc.h>
+#include <mach/ipu.h>
+#include <mach/mx3fb.h>
 
 #include "devices-imx31.h"
 #include "devices.h"
@@ -50,6 +53,12 @@ static int mx31_3ds_pins[] = {
         MX31_PIN_TXD1__TXD1,
         MX31_PIN_RXD1__RXD1,
         IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO),
+        /*SPI0*/
+        MX31_PIN_CSPI1_SCLK__SCLK,
+        MX31_PIN_CSPI1_MOSI__MOSI,
+        MX31_PIN_CSPI1_MISO__MISO,
+        MX31_PIN_CSPI1_SPI_RDY__SPI_RDY,
+        MX31_PIN_CSPI1_SS2__SS2, /* CS for LCD */
         /* SPI 1 */
         MX31_PIN_CSPI2_SCLK__SCLK,
         MX31_PIN_CSPI2_MOSI__MOSI,
@@ -109,6 +118,70 @@ static int mx31_3ds_pins[] = {
         MX31_PIN_SD1_CMD__SD1_CMD,
         MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */
         MX31_PIN_GPIO3_0__GPIO3_0, /* OE */
+        /* Framebuffer */
+        MX31_PIN_LD0__LD0,
+        MX31_PIN_LD1__LD1,
+        MX31_PIN_LD2__LD2,
+        MX31_PIN_LD3__LD3,
+        MX31_PIN_LD4__LD4,
+        MX31_PIN_LD5__LD5,
+        MX31_PIN_LD6__LD6,
+        MX31_PIN_LD7__LD7,
+        MX31_PIN_LD8__LD8,
+        MX31_PIN_LD9__LD9,
+        MX31_PIN_LD10__LD10,
+        MX31_PIN_LD11__LD11,
+        MX31_PIN_LD12__LD12,
+        MX31_PIN_LD13__LD13,
+        MX31_PIN_LD14__LD14,
+        MX31_PIN_LD15__LD15,
+        MX31_PIN_LD16__LD16,
+        MX31_PIN_LD17__LD17,
+        MX31_PIN_VSYNC3__VSYNC3,
+        MX31_PIN_HSYNC__HSYNC,
+        MX31_PIN_FPSHIFT__FPSHIFT,
+        MX31_PIN_CONTRAST__CONTRAST,
+};
+
+/*
+ * FB support
+ */
+static const struct fb_videomode fb_modedb[] = {
+        {       /* 480x640 @ 60 Hz */
+                .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,
+        },
+};
+
+static struct ipu_platform_data mx3_ipu_data = {
+        .irq_base = MXC_IPU_IRQ_START,
+};
+
+static struct mx3fb_platform_data mx3fb_pdata = {
+        .dma_dev        = &mx3_ipu.dev,
+        .name           = "Epson-VGA",
+        .mode           = fb_modedb,
+        .num_modes      = ARRAY_SIZE(fb_modedb),
+};
+
+/* LCD */
+static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = {
+        .reset_gpio             = IOMUX_TO_GPIO(MX31_PIN_LCS1),
+        .data_enable_gpio       = IOMUX_TO_GPIO(MX31_PIN_SER_RS),
+        .core_supply            = "lcd_2v8",
+        .io_supply              = "vdd_lcdio",
 };
 
 /*
@@ -232,6 +305,38 @@ static struct regulator_init_data vmmc2_init = {
         .consumer_supplies = vmmc2_consumers,
 };
 
+static struct regulator_consumer_supply vmmc1_consumers[] = {
+        REGULATOR_SUPPLY("lcd_2v8", NULL),
+};
+
+static struct regulator_init_data vmmc1_init = {
+        .constraints = {
+                .min_uV = 2800000,
+                .max_uV = 2800000,
+                .apply_uV = 1,
+                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+                                  REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
+        .consumer_supplies = vmmc1_consumers,
+};
+
+static struct regulator_consumer_supply vgen_consumers[] = {
+        REGULATOR_SUPPLY("vdd_lcdio", NULL),
+};
+
+static struct regulator_init_data vgen_init = {
+        .constraints = {
+                .min_uV = 1800000,
+                .max_uV = 1800000,
+                .apply_uV = 1,
+                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+                                  REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
+        .consumer_supplies = vgen_consumers,
+};
+
 static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
         {
                 .id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */
@@ -249,6 +354,12 @@ static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = {
         }, {
                 .id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */
                 .init_data = &vmmc2_init,
+        }, {
+                .id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */
+                .init_data = &vmmc1_init,
+        }, {
+                .id = MC13783_REG_VGEN,  /* Power LCD */
+                .init_data = &vgen_init,
         },
 };
 
@@ -260,6 +371,15 @@ static struct mc13xxx_platform_data mc13783_pdata __initdata = {
 };
 
 /* SPI */
+static int spi0_internal_chipselect[] = {
+        MXC_SPI_CS(2),
+};
+
+static const struct spi_imx_master spi0_pdata __initconst = {
+        .chipselect     = spi0_internal_chipselect,
+        .num_chipselect = ARRAY_SIZE(spi0_internal_chipselect),
+};
+
 static int spi1_internal_chipselect[] = {
         MXC_SPI_CS(0),
         MXC_SPI_CS(2),
@@ -279,6 +399,12 @@ static struct spi_board_info mx31_3ds_spi_devs[] __initdata = {
                 .platform_data  = &mc13783_pdata,
                 .irq            = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
                 .mode = SPI_CS_HIGH,
+        }, {
+                .modalias       = "l4f00242t03",
+                .max_speed_hz   = 5000000,
+                .bus_num        = 0,
+                .chip_select    = 0, /* SS2 */
+                .platform_data  = &mx31_3ds_l4f00242t03_pdata,
         },
 };
 
@@ -461,6 +587,10 @@ static void __init mx31_3ds_init(void)
         imx31_add_imx2_wdt(NULL);
         imx31_add_imx_i2c0(&mx31_3ds_i2c0_data);
         imx31_add_mxc_mmc(0, &sdhc1_pdata);
+
+        imx31_add_spi_imx0(&spi0_pdata);
+        mxc_register_device(&mx3_ipu, &mx3_ipu_data);
+        mxc_register_device(&mx3_fb, &mx3fb_pdata);
 }
 
 static void __init mx31_3ds_timer_init(void)