Skip to content
Snippets Groups Projects
s3c24x0_i2c.h 1.13 KiB
Newer Older
  • Learn to ignore specific revisions
  • /*
     * Copyright (C) 2012 Samsung Electronics
     *
    
     * SPDX-License-Identifier:	GPL-2.0+
    
     */
    
    #ifndef _S3C24X0_I2C_H
    #define _S3C24X0_I2C_H
    
    struct s3c24x0_i2c {
    	u32	iiccon;
    	u32	iicstat;
    	u32	iicadd;
    	u32	iicds;
    	u32	iiclc;
    };
    
    struct exynos5_hsi2c {
    	u32	usi_ctl;
    	u32	usi_fifo_ctl;
    	u32	usi_trailing_ctl;
    	u32	usi_clk_ctl;
    	u32	usi_clk_slot;
    	u32	spi_ctl;
    	u32	uart_ctl;
    	u32	res1;
    	u32	usi_int_en;
    	u32	usi_int_stat;
    	u32	usi_modem_stat;
    	u32	usi_error_stat;
    	u32	usi_fifo_stat;
    	u32	usi_txdata;
    	u32	usi_rxdata;
    	u32	res2;
    	u32	usi_conf;
    	u32	usi_auto_conf;
    	u32	usi_timeout;
    	u32	usi_manual_cmd;
    	u32	usi_trans_status;
    	u32	usi_timing_hs1;
    	u32	usi_timing_hs2;
    	u32	usi_timing_hs3;
    	u32	usi_timing_fs1;
    	u32	usi_timing_fs2;
    	u32	usi_timing_fs3;
    	u32	usi_timing_sla;
    	u32	i2c_addr;
    };
    
    
    struct s3c24x0_i2c_bus {
    
    	bool active;	/* port is active and available */
    
    	int node;	/* device tree node */
    	int bus_num;	/* i2c bus number */
    	struct s3c24x0_i2c *regs;
    
    	struct exynos5_hsi2c *hsregs;
    	int is_highspeed;	/* High speed type, rather than I2C */
    	unsigned clock_frequency;
    
    	unsigned clk_cycle;
    	unsigned clk_div;
    
    #endif /* _S3C24X0_I2C_H */