#include <asm/mach/map.h>
#include <linux/platform_device.h>
+#include <linux/i2c-gpio.h>
+
+#include <linux/fb.h>
+#include <video/atmel_lcdc.h>
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>
* TWI (i2c)
* -------------------------------------------------------------------- */
-#if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
+/*
+ * Prefer the GPIO code since the TWI controller isn't robust
+ * (gets overruns and underruns under load) and can only issue
+ * repeated STARTs in one scenario (the driver doesn't yet handle them).
+ */
+#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
+
+static struct i2c_gpio_platform_data pdata = {
+ .sda_pin = AT91_PIN_PB4,
+ .sda_is_open_drain = 1,
+ .scl_pin = AT91_PIN_PB5,
+ .scl_is_open_drain = 1,
+ .udelay = 2, /* ~100 kHz */
+};
+
+static struct platform_device at91sam9263_twi_device = {
+ .name = "i2c-gpio",
+ .id = -1,
+ .dev.platform_data = &pdata,
+};
+
+void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
+{
+ at91_set_GPIO_periph(AT91_PIN_PB4, 1); /* TWD (SDA) */
+ at91_set_multi_drive(AT91_PIN_PB4, 1);
+
+ at91_set_GPIO_periph(AT91_PIN_PB5, 1); /* TWCK (SCL) */
+ at91_set_multi_drive(AT91_PIN_PB5, 1);
+
+ i2c_register_board_info(0, devices, nr_devices);
+ platform_device_register(&at91sam9263_twi_device);
+}
+
+#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
static struct resource twi_resources[] = {
[0] = {
.num_resources = ARRAY_SIZE(twi_resources),
};
-void __init at91_add_device_i2c(void)
+void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices)
{
/* pins used for TWI interface */
at91_set_A_periph(AT91_PIN_PB4, 0); /* TWD */
at91_set_A_periph(AT91_PIN_PB5, 0); /* TWCK */
at91_set_multi_drive(AT91_PIN_PB5, 1);
+ i2c_register_board_info(0, devices, nr_devices);
platform_device_register(&at91sam9263_twi_device);
}
#else
-void __init at91_add_device_i2c(void) {}
+void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {}
#endif
#endif
+/* --------------------------------------------------------------------
+ * Image Sensor Interface
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_VIDEO_AT91_ISI) || defined(CONFIG_VIDEO_AT91_ISI_MODULE)
+
+struct resource isi_resources[] = {
+ [0] = {
+ .start = AT91SAM9263_BASE_ISI,
+ .end = AT91SAM9263_BASE_ISI + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91SAM9263_ID_ISI,
+ .end = AT91SAM9263_ID_ISI,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device at91sam9263_isi_device = {
+ .name = "at91_isi",
+ .id = -1,
+ .resource = isi_resources,
+ .num_resources = ARRAY_SIZE(isi_resources),
+};
+
+void __init at91_add_device_isi(void)
+{
+ at91_set_A_periph(AT91_PIN_PE0, 0); /* ISI_D0 */
+ at91_set_A_periph(AT91_PIN_PE1, 0); /* ISI_D1 */
+ at91_set_A_periph(AT91_PIN_PE2, 0); /* ISI_D2 */
+ at91_set_A_periph(AT91_PIN_PE3, 0); /* ISI_D3 */
+ at91_set_A_periph(AT91_PIN_PE4, 0); /* ISI_D4 */
+ at91_set_A_periph(AT91_PIN_PE5, 0); /* ISI_D5 */
+ at91_set_A_periph(AT91_PIN_PE6, 0); /* ISI_D6 */
+ at91_set_A_periph(AT91_PIN_PE7, 0); /* ISI_D7 */
+ at91_set_A_periph(AT91_PIN_PE8, 0); /* ISI_PCK */
+ at91_set_A_periph(AT91_PIN_PE9, 0); /* ISI_HSYNC */
+ at91_set_A_periph(AT91_PIN_PE10, 0); /* ISI_VSYNC */
+ at91_set_B_periph(AT91_PIN_PE11, 0); /* ISI_MCK (PCK3) */
+ at91_set_B_periph(AT91_PIN_PE12, 0); /* ISI_PD8 */
+ at91_set_B_periph(AT91_PIN_PE13, 0); /* ISI_PD9 */
+ at91_set_B_periph(AT91_PIN_PE14, 0); /* ISI_PD10 */
+ at91_set_B_periph(AT91_PIN_PE15, 0); /* ISI_PD11 */
+}
+#else
+void __init at91_add_device_isi(void) {}
+#endif
+
+
+/* --------------------------------------------------------------------
+ * RTT
+ * -------------------------------------------------------------------- */
+
+static struct resource rtt0_resources[] = {
+ {
+ .start = AT91_BASE_SYS + AT91_RTT0,
+ .end = AT91_BASE_SYS + AT91_RTT0 + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device at91sam9263_rtt0_device = {
+ .name = "at91_rtt",
+ .id = 0,
+ .resource = rtt0_resources,
+ .num_resources = ARRAY_SIZE(rtt0_resources),
+};
+
+static struct resource rtt1_resources[] = {
+ {
+ .start = AT91_BASE_SYS + AT91_RTT1,
+ .end = AT91_BASE_SYS + AT91_RTT1 + SZ_16 - 1,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device at91sam9263_rtt1_device = {
+ .name = "at91_rtt",
+ .id = 1,
+ .resource = rtt1_resources,
+ .num_resources = ARRAY_SIZE(rtt1_resources),
+};
+
+static void __init at91_add_device_rtt(void)
+{
+ platform_device_register(&at91sam9263_rtt0_device);
+ platform_device_register(&at91sam9263_rtt1_device);
+}
+
+
+/* --------------------------------------------------------------------
+ * Watchdog
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_AT91SAM9_WATCHDOG) || defined(CONFIG_AT91SAM9_WATCHDOG_MODULE)
+static struct platform_device at91sam9263_wdt_device = {
+ .name = "at91_wdt",
+ .id = -1,
+ .num_resources = 0,
+};
+
+static void __init at91_add_device_watchdog(void)
+{
+ platform_device_register(&at91sam9263_wdt_device);
+}
+#else
+static void __init at91_add_device_watchdog(void) {}
+#endif
+
+
/* --------------------------------------------------------------------
* LEDs
* -------------------------------------------------------------------- */
*/
static int __init at91_add_standard_devices(void)
{
+ at91_add_device_rtt();
+ at91_add_device_watchdog();
return 0;
}
projects / linux-2.6-omap-h63xx.git / blobdiff