include/linux/platform_data/ti-aemif.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * TI DaVinci AEMIF platform glue.
   4  *
   5  * Copyright (C) 2017 BayLibre SAS
   6  *
   7  * Author:
   8  *   Bartosz Golaszewski <bgolaszewski@baylibre.com>
   9  */
  10
  11 #ifndef __TI_DAVINCI_AEMIF_DATA_H__
  12 #define __TI_DAVINCI_AEMIF_DATA_H__
  13
  14 #include <linux/of_platform.h>
  15
  16 /**
  17  * struct aemif_abus_data - Async bus configuration parameters.
  18  *
  19  * @cs - Chip-select number.
  20  */
  21 struct aemif_abus_data {
  22         u32 cs;
  23 };
  24
  25 /**
  26  * struct aemif_platform_data - Data to set up the TI aemif driver.
  27  *
  28  * @dev_lookup: of_dev_auxdata passed to of_platform_populate() for aemif
  29  *              subdevices.
  30  * @cs_offset: Lowest allowed chip-select number.
  31  * @abus_data: Array of async bus configuration entries.
  32  * @num_abus_data: Number of abus entries.
  33  * @sub_devices: Array of platform subdevices.
  34  * @num_sub_devices: Number of subdevices.
  35  */
  36 struct aemif_platform_data {
  37         struct of_dev_auxdata *dev_lookup;
  38         u32 cs_offset;
  39         struct aemif_abus_data *abus_data;
  40         size_t num_abus_data;
  41         struct platform_device *sub_devices;
  42         size_t num_sub_devices;
  43 };
  44
  45 #endif /* __TI_DAVINCI_AEMIF_DATA_H__ */