arch/arm/plat-samsung/include/plat/mipi_csis.h

   1 /*
   2  * Copyright (C) 2010-2011 Samsung Electronics Co., Ltd.
   3  *
   4  * S5P series MIPI CSI slave device support
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #ifndef __PLAT_SAMSUNG_MIPI_CSIS_H_
  12 #define __PLAT_SAMSUNG_MIPI_CSIS_H_ __FILE__
  13
  14 struct platform_device;
  15
  16 /**
  17  * struct s5p_platform_mipi_csis - platform data for S5P MIPI-CSIS driver
  18  * @clk_rate: bus clock frequency
  19  * @lanes: number of data lanes used
  20  * @alignment: data alignment in bits
  21  * @hs_settle: HS-RX settle time
  22  * @fixed_phy_vdd: false to enable external D-PHY regulator management in the
  23  *                 driver or true in case this regulator has no enable function
  24  * @phy_enable: pointer to a callback controlling D-PHY enable/reset
  25  */
  26 struct s5p_platform_mipi_csis {
  27         unsigned long clk_rate;
  28         u8 lanes;
  29         u8 alignment;
  30         u8 hs_settle;
  31         bool fixed_phy_vdd;
  32         int (*phy_enable)(struct platform_device *pdev, bool on);
  33 };
  34
  35 /**
  36  * s5p_csis_phy_enable - global MIPI-CSI receiver D-PHY control
  37  * @pdev: MIPI-CSIS platform device
  38  * @on: true to enable D-PHY and deassert its reset
  39  *      false to disable D-PHY
  40  */
  41 int s5p_csis_phy_enable(struct platform_device *pdev, bool on);
  42
  43 #endif /* __PLAT_SAMSUNG_MIPI_CSIS_H_ */