Release 4.12 include/linux/platform_data/si5351.h
/*
* Si5351A/B/C programmable clock generator platform_data.
*/
#ifndef __LINUX_PLATFORM_DATA_SI5351_H__
#define __LINUX_PLATFORM_DATA_SI5351_H__
/**
* enum si5351_pll_src - Si5351 pll clock source
* @SI5351_PLL_SRC_DEFAULT: default, do not change eeprom config
* @SI5351_PLL_SRC_XTAL: pll source clock is XTAL input
* @SI5351_PLL_SRC_CLKIN: pll source clock is CLKIN input (Si5351C only)
*/
enum si5351_pll_src {
SI5351_PLL_SRC_DEFAULT = 0,
SI5351_PLL_SRC_XTAL = 1,
SI5351_PLL_SRC_CLKIN = 2,
};
/**
* enum si5351_multisynth_src - Si5351 multisynth clock source
* @SI5351_MULTISYNTH_SRC_DEFAULT: default, do not change eeprom config
* @SI5351_MULTISYNTH_SRC_VCO0: multisynth source clock is VCO0
* @SI5351_MULTISYNTH_SRC_VCO1: multisynth source clock is VCO1/VXCO
*/
enum si5351_multisynth_src {
SI5351_MULTISYNTH_SRC_DEFAULT = 0,
SI5351_MULTISYNTH_SRC_VCO0 = 1,
SI5351_MULTISYNTH_SRC_VCO1 = 2,
};
/**
* enum si5351_clkout_src - Si5351 clock output clock source
* @SI5351_CLKOUT_SRC_DEFAULT: default, do not change eeprom config
* @SI5351_CLKOUT_SRC_MSYNTH_N: clkout N source clock is multisynth N
* @SI5351_CLKOUT_SRC_MSYNTH_0_4: clkout N source clock is multisynth 0 (N<4)
* or 4 (N>=4)
* @SI5351_CLKOUT_SRC_XTAL: clkout N source clock is XTAL
* @SI5351_CLKOUT_SRC_CLKIN: clkout N source clock is CLKIN (Si5351C only)
*/
enum si5351_clkout_src {
SI5351_CLKOUT_SRC_DEFAULT = 0,
SI5351_CLKOUT_SRC_MSYNTH_N = 1,
SI5351_CLKOUT_SRC_MSYNTH_0_4 = 2,
SI5351_CLKOUT_SRC_XTAL = 3,
SI5351_CLKOUT_SRC_CLKIN = 4,
};
/**
* enum si5351_drive_strength - Si5351 clock output drive strength
* @SI5351_DRIVE_DEFAULT: default, do not change eeprom config
* @SI5351_DRIVE_2MA: 2mA clock output drive strength
* @SI5351_DRIVE_4MA: 4mA clock output drive strength
* @SI5351_DRIVE_6MA: 6mA clock output drive strength
* @SI5351_DRIVE_8MA: 8mA clock output drive strength
*/
enum si5351_drive_strength {
SI5351_DRIVE_DEFAULT = 0,
SI5351_DRIVE_2MA = 2,
SI5351_DRIVE_4MA = 4,
SI5351_DRIVE_6MA = 6,
SI5351_DRIVE_8MA = 8,
};
/**
* enum si5351_disable_state - Si5351 clock output disable state
* @SI5351_DISABLE_DEFAULT: default, do not change eeprom config
* @SI5351_DISABLE_LOW: CLKx is set to a LOW state when disabled
* @SI5351_DISABLE_HIGH: CLKx is set to a HIGH state when disabled
* @SI5351_DISABLE_FLOATING: CLKx is set to a FLOATING state when
* disabled
* @SI5351_DISABLE_NEVER: CLKx is NEVER disabled
*/
enum si5351_disable_state {
SI5351_DISABLE_DEFAULT = 0,
SI5351_DISABLE_LOW,
SI5351_DISABLE_HIGH,
SI5351_DISABLE_FLOATING,
SI5351_DISABLE_NEVER,
};
/**
* struct si5351_clkout_config - Si5351 clock output configuration
* @clkout: clkout number
* @multisynth_src: multisynth source clock
* @clkout_src: clkout source clock
* @pll_master: if true, clkout can also change pll rate
* @drive: output drive strength
* @rate: initial clkout rate, or default if 0
*/
struct si5351_clkout_config {
enum si5351_multisynth_src multisynth_src;
enum si5351_clkout_src clkout_src;
enum si5351_drive_strength drive;
enum si5351_disable_state disable_state;
bool pll_master;
unsigned long rate;
};
/**
* struct si5351_platform_data - Platform data for the Si5351 clock driver
* @clk_xtal: xtal input clock
* @clk_clkin: clkin input clock
* @pll_src: array of pll source clock setting
* @clkout: array of clkout configuration
*/
struct si5351_platform_data {
enum si5351_pll_src pll_src[2];
struct si5351_clkout_config clkout[8];
};
#endif
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