[ARM] 4379/1: AT91: LCD support on SAM9261-EK and SAM9263-EK boards

[linux-2.6-omap-h63xx.git] / arch / arm / mach-at91 / board-sam9263ek.c

diff --git a/arch/arm/mach-at91/board-sam9263ek.c b/arch/arm/mach-at91/board-sam9263ek.c
index 8fdce11a880ce9bf4574c1d8f27927dda8d55801..2a1cc73390b79cd88943d7718c3fd3454d3c65fa 100644 (file)
--- a/arch/arm/mach-at91/board-sam9263ek.c
+++ b/arch/arm/mach-at91/board-sam9263ek.c
@@ -25,6 +25,10 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/fb.h>
+
+#include <video/atmel_lcdc.h>
 
 #include <asm/hardware.h>
 #include <asm/setup.h>
@@ -85,6 +89,40 @@ static struct at91_udc_data __initdata ek_udc_data = {
 };
 
 
+/*
+ * ADS7846 Touchscreen
+ */
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+static int ads7843_pendown_state(void)
+{
+       return !at91_get_gpio_value(AT91_PIN_PA15);     /* Touchscreen PENIRQ */
+}
+
+static struct ads7846_platform_data ads_info = {
+       .model                  = 7843,
+       .x_min                  = 150,
+       .x_max                  = 3830,
+       .y_min                  = 190,
+       .y_max                  = 3830,
+       .vref_delay_usecs       = 100,
+       .x_plate_ohms           = 450,
+       .y_plate_ohms           = 250,
+       .pressure_max           = 15000,
+       .debounce_max           = 1,
+       .debounce_rep           = 0,
+       .debounce_tol           = (~0),
+       .get_pendown_state      = ads7843_pendown_state,
+};
+
+static void __init ek_add_device_ts(void)
+{
+       at91_set_B_periph(AT91_PIN_PA15, 1);    /* External IRQ1, with pullup */
+       at91_set_gpio_input(AT91_PIN_PA31, 1);  /* Touchscreen BUSY signal */
+}
+#else
+static void __init ek_add_device_ts(void) {}
+#endif
+
 /*
  * SPI devices.
  */
@@ -97,6 +135,16 @@ static struct spi_board_info ek_spi_devices[] = {
                .bus_num        = 0,
        },
 #endif
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+       {
+               .modalias       = "ads7846",
+               .chip_select    = 3,
+               .max_speed_hz   = 125000 * 26,  /* (max sample rate @ 3V) * (cmd + data + overhead) */
+               .bus_num        = 0,
+               .platform_data  = &ads_info,
+               .irq            = AT91SAM9263_ID_IRQ1,
+       },
+#endif
 };
 
 
@@ -111,6 +159,14 @@ static struct at91_mmc_data __initdata ek_mmc_data = {
 };
 
 
+/*
+ * MACB Ethernet device
+ */
+static struct at91_eth_data __initdata ek_macb_data = {
+       .is_rmii        = 1,
+};
+
+
 /*
  * NAND flash
  */
@@ -127,7 +183,7 @@ static struct mtd_partition __initdata ek_nand_partition[] = {
        },
 };
 
-static struct mtd_partition *nand_partitions(int size, int *num_partitions)
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
 {
        *num_partitions = ARRAY_SIZE(ek_nand_partition);
        return ek_nand_partition;
@@ -148,6 +204,73 @@ static struct at91_nand_data __initdata ek_nand_data = {
 };
 
 
+/*
+ * LCD Controller
+ */
+#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
+static struct fb_videomode at91_tft_vga_modes[] = {
+       {
+               .name           = "TX09D50VM1CCA @ 60",
+               .refresh        = 60,
+               .xres           = 240,          .yres           = 320,
+               .pixclock       = KHZ2PICOS(4965),
+
+               .left_margin    = 1,            .right_margin   = 33,
+               .upper_margin   = 1,            .lower_margin   = 0,
+               .hsync_len      = 5,            .vsync_len      = 1,
+
+               .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+               .vmode          = FB_VMODE_NONINTERLACED,
+       },
+};
+
+static struct fb_monspecs at91fb_default_monspecs = {
+       .manufacturer   = "HIT",
+       .monitor        = "TX09D70VM1CCA",
+
+       .modedb         = at91_tft_vga_modes,
+       .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
+       .hfmin          = 15000,
+       .hfmax          = 64000,
+       .vfmin          = 50,
+       .vfmax          = 150,
+};
+
+#define AT91SAM9263_DEFAULT_LCDCON2    (ATMEL_LCDC_MEMOR_LITTLE \
+                                       | ATMEL_LCDC_DISTYPE_TFT    \
+                                       | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
+
+static void at91_lcdc_power_control(int on)
+{
+       if (on)
+               at91_set_gpio_value(AT91_PIN_PD12, 0);  /* power up */
+       else
+               at91_set_gpio_value(AT91_PIN_PD12, 1);  /* power down */
+}
+
+/* Driver datas */
+static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
+       .default_bpp                    = 16,
+       .default_dmacon                 = ATMEL_LCDC_DMAEN,
+       .default_lcdcon2                = AT91SAM9263_DEFAULT_LCDCON2,
+       .default_monspecs               = &at91fb_default_monspecs,
+       .atmel_lcdfb_power_control      = at91_lcdc_power_control,
+       .guard_time                     = 1,
+};
+
+#else
+static struct atmel_lcdfb_info __initdata ek_lcdc_data;
+#endif
+
+
+/*
+ * AC97
+ */
+static struct atmel_ac97_data ek_ac97_data = {
+       .reset_pin      = AT91_PIN_PA13,
+};
+
+
 static void __init ek_board_init(void)
 {
        /* Serial */
@@ -157,11 +280,22 @@ static void __init ek_board_init(void)
        /* USB Device */
        at91_add_device_udc(&ek_udc_data);
        /* SPI */
+       at91_set_gpio_output(AT91_PIN_PE20, 1);         /* select spi0 clock */
        at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+       /* Touchscreen */
+       ek_add_device_ts();
        /* MMC */
        at91_add_device_mmc(1, &ek_mmc_data);
+       /* Ethernet */
+       at91_add_device_eth(&ek_macb_data);
        /* NAND */
        at91_add_device_nand(&ek_nand_data);
+       /* I2C */
+       at91_add_device_i2c();
+       /* LCD Controller */
+       at91_add_device_lcdc(&ek_lcdc_data);
+       /* AC97 */
+       at91_add_device_ac97(&ek_ac97_data);
 }
 
 MACHINE_START(AT91SAM9263EK, "Atmel AT91SAM9263-EK")