xref: /openbmc/linux/include/linux/spi/at73c213.h (revision ba61bb17)
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 */
27