diff options
Diffstat (limited to 'arch/arm/mach-ep93xx/ts72xx.c')
| -rw-r--r-- | arch/arm/mach-ep93xx/ts72xx.c | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c index 8745162..f386eba 100644 --- a/arch/arm/mach-ep93xx/ts72xx.c +++ b/arch/arm/mach-ep93xx/ts72xx.c @@ -18,7 +18,10 @@ #include <linux/io.h> #include <linux/mtd/rawnand.h> #include <linux/mtd/partitions.h> +#include <linux/spi/spi.h> +#include <linux/platform_data/spi-ep93xx.h> +#include <mach/gpio-ep93xx.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -186,24 +189,22 @@ static struct platform_device ts72xx_rtc_device = { .num_resources = ARRAY_SIZE(ts72xx_rtc_resources), }; +/************************************************************************* + * Watchdog (in CPLD) + *************************************************************************/ +#define TS72XX_WDT_CONTROL_PHYS_BASE (EP93XX_CS2_PHYS_BASE + 0x03800000) +#define TS72XX_WDT_FEED_PHYS_BASE (EP93XX_CS2_PHYS_BASE + 0x03c00000) + static struct resource ts72xx_wdt_resources[] = { - { - .start = TS72XX_WDT_CONTROL_PHYS_BASE, - .end = TS72XX_WDT_CONTROL_PHYS_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, - { - .start = TS72XX_WDT_FEED_PHYS_BASE, - .end = TS72XX_WDT_FEED_PHYS_BASE + SZ_4K - 1, - .flags = IORESOURCE_MEM, - }, + DEFINE_RES_MEM(TS72XX_WDT_CONTROL_PHYS_BASE, 0x01), + DEFINE_RES_MEM(TS72XX_WDT_FEED_PHYS_BASE, 0x01), }; static struct platform_device ts72xx_wdt_device = { .name = "ts72xx-wdt", .id = -1, - .num_resources = ARRAY_SIZE(ts72xx_wdt_resources), .resource = ts72xx_wdt_resources, + .num_resources = ARRAY_SIZE(ts72xx_wdt_resources), }; static struct ep93xx_eth_data __initdata ts72xx_eth_data = { @@ -232,6 +233,27 @@ static struct platform_device ts73xx_fpga_device = { #endif +/************************************************************************* + * SPI Bus + *************************************************************************/ +static struct spi_board_info ts72xx_spi_devices[] __initdata = { + { + .modalias = "tmp122", + .max_speed_hz = 2 * 1000 * 1000, + .bus_num = 0, + .chip_select = 0, + }, +}; + +static int ts72xx_spi_chipselects[] __initdata = { + EP93XX_GPIO_LINE_F(2), /* DIO_17 */ +}; + +static struct ep93xx_spi_info ts72xx_spi_info __initdata = { + .chipselect = ts72xx_spi_chipselects, + .num_chipselect = ARRAY_SIZE(ts72xx_spi_chipselects), +}; + static void __init ts72xx_init_machine(void) { ep93xx_init_devices(); @@ -244,6 +266,8 @@ static void __init ts72xx_init_machine(void) if (board_is_ts7300()) platform_device_register(&ts73xx_fpga_device); #endif + ep93xx_register_spi(&ts72xx_spi_info, ts72xx_spi_devices, + ARRAY_SIZE(ts72xx_spi_devices)); } MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC") |
