From e42010e0e129cc31a83ce9d8d1c7e1d50ba155f3 Mon Sep 17 00:00:00 2001 From: Alberto Panizzo Date: Mon, 7 Mar 2011 11:46:38 +0100 Subject: mach-mx31_3ds: Add support for framebuffer and LCD Signed-off-by: Alberto Panizzo Signed-off-by: Sascha Hauer --- arch/arm/mach-mx3/mach-mx31_3ds.c | 130 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) (limited to 'arch/arm/mach-mx3') 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 #include #include +#include #include #include #include @@ -36,6 +37,8 @@ #include #include #include +#include +#include #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) -- cgit v1.2.2