From mboxrd@z Thu Jan 1 00:00:00 1970 From: fabio.estevam@freescale.com (Fabio Estevam) Date: Mon, 20 Jun 2011 13:48:39 -0300 Subject: [PATCH 3/6] ARM: mach-imx/mx27_3ds: Add LCD support In-Reply-To: <1308588522-16586-2-git-send-email-fabio.estevam@freescale.com> References: <1308588522-16586-1-git-send-email-fabio.estevam@freescale.com> <1308588522-16586-2-git-send-email-fabio.estevam@freescale.com> Message-ID: <1308588522-16586-3-git-send-email-fabio.estevam@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- arch/arm/mach-imx/Kconfig | 1 + arch/arm/mach-imx/mach-mx27_3ds.c | 90 +++++++++++++++++++++++++++++++++++++ 2 files changed, 91 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 59c97a3..8767c60 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -276,6 +276,7 @@ config MACH_MX27_3DS select SOC_IMX27 select IMX_HAVE_PLATFORM_FSL_USB2_UDC select IMX_HAVE_PLATFORM_IMX2_WDT + select IMX_HAVE_PLATFORM_IMX_FB select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_IMX_KEYPAD select IMX_HAVE_PLATFORM_IMX_UART diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c index be68e2d..de99c32 100644 --- a/arch/arm/mach-imx/mach-mx27_3ds.c +++ b/arch/arm/mach-imx/mach-mx27_3ds.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -47,6 +48,9 @@ #define SPI2_SS0 IMX_GPIO_NR(4, 21) #define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTC + 28) #define PMIC_INT IMX_GPIO_NR(3, 14) +#define SPI1_SS0 IMX_GPIO_NR(4, 28) +#define LCD_RESET IMX_GPIO_NR(1, 3) +#define LCD_ENABLE IMX_GPIO_NR(1, 31) static const int mx27pdk_pins[] __initconst = { /* UART1 */ @@ -95,6 +99,11 @@ 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, /* CSPI2 */ PD22_PF_CSPI2_SCLK, PD23_PF_CSPI2_MISO, @@ -102,6 +111,29 @@ static const int mx27pdk_pins[] __initconst = { /* I2C1 */ PD17_PF_I2C_DATA, PD18_PF_I2C_CLK, + /* 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, }; static const struct imxuart_platform_data uart_pdata __initconst = { @@ -260,6 +292,13 @@ 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_internal_chipselect[] = {SPI2_SS0}; static const struct spi_imx_master spi2_pdata __initconst = { @@ -267,6 +306,46 @@ static const struct spi_imx_master spi2_pdata __initconst = { .num_chipselect = ARRAY_SIZE(spi2_internal_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", @@ -276,6 +355,12 @@ static struct spi_board_info mx27_3ds_spi_devs[] __initdata = { .platform_data = &mc13783_pdata, .irq = IRQ_GPIOC(14), .mode = SPI_CS_HIGH, + }, { + .modalias = "l4f00242t03", + .max_speed_hz = 5000000, + .bus_num = 0, + .chip_select = 0, /* SS0 */ + .platform_data = &mx27_3ds_lcd_pdata, }, }; @@ -308,14 +393,19 @@ static void __init mx27pdk_init(void) mxc_gpio_mode(SPI2_SS0 | GPIO_GPIO | GPIO_OUT); mxc_gpio_mode(PMIC_INT | GPIO_GPIO | GPIO_IN); + mxc_gpio_mode(SPI1_SS0 | GPIO_GPIO | GPIO_OUT); + mxc_gpio_mode(LCD_ENABLE | GPIO_GPIO | GPIO_OUT); + mxc_gpio_mode(LCD_RESET | GPIO_GPIO | GPIO_OUT); 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) -- 1.6.0.4