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Diffstat (limited to 'package/ucmb/driver/ucmb.h')
| -rw-r--r-- | package/ucmb/driver/ucmb.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/package/ucmb/driver/ucmb.h b/package/ucmb/driver/ucmb.h new file mode 100644 index 0000000000..94fdc6420e --- /dev/null +++ b/package/ucmb/driver/ucmb.h @@ -0,0 +1,38 @@ +#ifndef LINUX_UCMB_H_ +#define LINUX_UCMB_H_ + +#include <linux/types.h> + +/** + * struct ucmb_platform_data - UCMB device descriptor + * + * @name: The name of the device. This will also be the name of + * the misc char device. + * + * @gpio_cs: The chipselect GPIO pin. Can be SPI_GPIO_NO_CHIPSELECT. + * @gpio_sck: The clock GPIO pin. + * @gpio_miso: The master-in slave-out GPIO pin. + * @gpio_mosi: The master-out slave-in GPIO pin. + * + * @mode: The SPI bus mode. SPI_MODE_* + * @max_speed_hz: The bus speed, in Hz. If zero the speed is not limited. + * @msg_delay_ms: The message delay time, in milliseconds. + * This is the time the microcontroller takes to process + * one message. + */ +struct ucmb_platform_data { + const char *name; + + unsigned long gpio_cs; + unsigned int gpio_sck; + unsigned int gpio_miso; + unsigned int gpio_mosi; + + u8 mode; + u32 max_speed_hz; + unsigned int msg_delay_ms; + + struct platform_device *pdev; /* internal */ +}; + +#endif /* LINUX_UCMB_H_ */ |