include/linux/spi/at73c213.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Board-specific data used to set up AT73c213 audio DAC driver.
   4  */
   5
   6 #ifndef __LINUX_SPI_AT73C213_H
   7 #define __LINUX_SPI_AT73C213_H
   8
   9 /**
  10  * at73c213_board_info - how the external DAC is wired to the device.
  11  *
  12  * @ssc_id: SSC platform_driver id the DAC shall use to stream the audio.
  13  * @dac_clk: the external clock used to provide master clock to the DAC.
  14  * @shortname: a short discription for the DAC, seen by userspace tools.
  15  *
  16  * This struct contains the configuration of the hardware connection to the
  17  * external DAC. The DAC needs a master clock and a I2S audio stream. It also
  18  * provides a name which is used to identify it in userspace tools.
  19  */
  20 struct at73c213_board_info {
  21         int             ssc_id;
  22         struct clk      *dac_clk;
  23         char            shortname[32];
  24 };
  25
  26 #endif /* __LINUX_SPI_AT73C213_H */