summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mx3
diff options
context:
space:
mode:
authorAlberto Panizzo <alberto@amarulasolutions.com>2011-03-07 11:46:38 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2011-03-08 13:24:21 +0100
commite42010e0e129cc31a83ce9d8d1c7e1d50ba155f3 (patch)
tree389282470f9d3bf54e4c63af860f1615c20dc794 /arch/arm/mach-mx3
parent0ce88b34ea5a1b48438848739a72da6b4fe7a5fa (diff)
downloadop-kernel-dev-e42010e0e129cc31a83ce9d8d1c7e1d50ba155f3.zip
op-kernel-dev-e42010e0e129cc31a83ce9d8d1c7e1d50ba155f3.tar.gz
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>
Diffstat (limited to 'arch/arm/mach-mx3')
-rw-r--r--arch/arm/mach-mx3/mach-mx31_3ds.c130
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 cff9206..d760a06 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)
OpenPOWER on IntegriCloud