From mboxrd@z Thu Jan 1 00:00:00 1970 From: fabioestevam@yahoo.com (Fabio Estevam) Date: Wed, 27 Oct 2010 10:29:24 -0700 (PDT) Subject: [PATCH 1/2] mx31_3ds: Add LCD support Message-ID: <342550.68252.qm@web51003.mail.re2.yahoo.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add l4f00242t03 LCD support for mx31_3ds board. Signed-off-by: Fabio Estevam Signed-off-by: Alberto Panizzo --- Sascha, This patch should be applied after this one: http://lists.infradead.org/pipermail/linux-arm-kernel/2010-October/030048.html arch/arm/mach-mx3/mach-mx31_3ds.c |? 119 ++++++++++++++++++++++++++++++++++++- 1 files changed, 116 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c index 8ad2ef5..71fe05b 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 @@ -35,6 +36,8 @@ #include #include #include +#include +#include #include "devices-imx31.h" #include "devices.h" @@ -56,7 +59,13 @@ static int mx31_3ds_pins[] = { ??? MX31_PIN_TXD1__TXD1, ??? MX31_PIN_RXD1__RXD1, ??? IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), -??? /* SPI 1 */ +??? /*SPI1 */ +??? 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 */ +??? /* SPI2 */ ??? MX31_PIN_CSPI2_SCLK__SCLK, ??? MX31_PIN_CSPI2_MOSI__MOSI, ??? MX31_PIN_CSPI2_MISO__MISO, @@ -97,6 +106,72 @@ static int mx31_3ds_pins[] = { ??? MX31_PIN_SD1_CMD__SD1_CMD, ??? MX31_PIN_GPIO3_0__GPIO3_0, ??? MX31_PIN_GPIO3_1__GPIO3_1, +??? /* LCD */ +??? 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, +??? MX31_PIN_LCS1,??? ??? /*LCD Reset */ +??? MX31_PIN_SER_RS,??? /*LCD Data Enable */ +}; + +/* + * 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 =??? ??? "sdhc0_vcc", +??? .io_supply =??? ??? "vdd_lcdio", }; /* @@ -130,11 +205,17 @@ static struct regulator_init_data pwgtx_init = { static struct regulator_consumer_supply sdhc_consumers[] = { ??? { -??? ??? .dev??? = &mxcsdhc_device0.dev, ??? ??? .supply??? = "sdhc0_vcc", ??? }, }; +static struct regulator_consumer_supply vgen_consumers[] = { +??? { +??? ??? .supply??? = "vdd_lcdio", +??? }, +}; + + static struct regulator_init_data sdhc_vreg_data = { ??? .constraints = { ??? ??? .always_on = 1, @@ -144,6 +225,16 @@ static struct regulator_init_data sdhc_vreg_data = { ??? .consumer_supplies = sdhc_consumers, }; +static struct regulator_init_data vgen_init = { +??? .constraints = { +??? ??? .min_uV = 1800000, +??? ??? .max_uV = 1800000, +??? }, +??? .num_consumer_supplies = ARRAY_SIZE(vgen_consumers), +??? .consumer_supplies = vgen_consumers, +}; + + static struct mc13783_regulator_init_data mx31_3ds_regulators[] = { ??? { ??? ??? .id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */ @@ -154,6 +245,9 @@ static struct mc13783_regulator_init_data mx31_3ds_regulators[] = { ??? }, { ??? ??? .id = MC13783_REGU_GPO1,?????/* Power Gate for MMC1. */ ??? ??? .init_data = &sdhc_vreg_data, +??? }, { +??? ??? .id = MC13783_REGU_VGEN, +??? ??? .init_data = &vgen_init, ??? }, }; @@ -165,6 +259,15 @@ static struct mc13783_platform_data mc13783_pdata __initdata = { }; /* SPI */ +static int spi0_internal_chipselect[] = { +??? MXC_SPI_CS(2), +}; + +static struct spi_imx_master spi0_pdata = { +??? .chipselect??? = spi0_internal_chipselect, +??? .num_chipselect??? = ARRAY_SIZE(spi0_internal_chipselect), +}; + static int spi1_internal_chipselect[] = { ??? MXC_SPI_CS(0), ??? MXC_SPI_CS(2), @@ -184,7 +287,13 @@ 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, +??? } }; /* @@ -316,6 +425,7 @@ static void __init mxc_board_init(void) ??? mx31_3ds_sdhc1_enable_card_detect(); ??? imx31_add_spi_imx1(&spi1_pdata); +??? imx31_add_spi_imx0(&spi0_pdata); ??? spi_register_board_info(mx31_3ds_spi_devs, ??? ??? ??? ??? ??? ??? ARRAY_SIZE(mx31_3ds_spi_devs)); @@ -328,6 +438,9 @@ static void __init mxc_board_init(void) ??? if (mxc_expio_init(MX31_CS5_BASE_ADDR, EXPIO_PARENT_INT)) ??? ??? printk(KERN_WARNING "Init of the debug board failed, all " ??? ??? ??? ??? ? ? "devices on the debug board are unusable.\n"); +??? mxc_register_device(&mx3_ipu, &mx3_ipu_data); +??? mxc_register_device(&mx3_fb, &mx3fb_pdata); + } static void __init mx31_3ds_timer_init(void) -- 1.6.0.4