ARM: mach-imx/mx27_3ds: Add LCD support

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 <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index e8dd22fa7d61ecd86e263565c70e5817c5e33356..0519dd7f034bc07446d2cb7384f9d434821ca551 100644 (file)
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -278,6 +278,7 @@ 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 eb663102376f6ca872695cfc355188e3a2e4a067..9405a6ab4d9c52e9e8ca08cdd19a8064eebeaba2 100644 (file)
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -29,6 +29,7 @@
 #include <linux/mfd/mc13783.h>
 #include <linux/spi/spi.h>
 #include <linux/regulator/machine.h>
+#include <linux/spi/l4f00242t03.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -47,6 +48,9 @@
 #define SPI2_SS0               IMX_GPIO_NR(4, 21)
 #define EXPIO_PARENT_INT       gpio_to_irq(IMX_GPIO_NR(3, 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 +99,12 @@ 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,
+       SPI1_SS0 | GPIO_GPIO | GPIO_OUT,
        /* CSPI2 */
        PD22_PF_CSPI2_SCLK,
        PD23_PF_CSPI2_MISO,
@@ -105,6 +115,31 @@ static const int mx27pdk_pins[] __initconst = {
        PD18_PF_I2C_CLK,
        /* PMIC INT */
        PMIC_INT | GPIO_GPIO | GPIO_IN,
+       /* 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,
+       LCD_ENABLE | GPIO_GPIO | GPIO_OUT,
+       LCD_RESET | GPIO_GPIO | GPIO_OUT,
 };
 
 static const struct imxuart_platform_data uart_pdata __initconst = {
@@ -261,6 +296,13 @@ 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 = {
@@ -268,6 +310,46 @@ 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",
@@ -277,6 +359,12 @@ 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,
        },
 };
 
@@ -310,12 +398,14 @@ static void __init mx27pdk_init(void)
                imx27_add_fsl_usb2_udc(&otg_device_pdata);
 
        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)