[mirror_ubuntu-bionic-kernel.git] / include / linux / i2c-omap.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __I2C_OMAP_H__
#define __I2C_OMAP_H__

#include <linux/platform_device.h>

/*
 * Version 2 of the I2C peripheral unit has a different register
 * layout and extra registers.  The ID register in the V2 peripheral
 * unit on the OMAP4430 reports the same ID as the V1 peripheral
 * unit on the OMAP3530, so we must inform the driver which IP
 * version we know it is running on from platform / cpu-specific
 * code using these constants in the hwmod class definition.
 */

#define OMAP_I2C_IP_VERSION_1 1
#define OMAP_I2C_IP_VERSION_2 2

/* struct omap_i2c_bus_platform_data .flags meanings */

#define OMAP_I2C_FLAG_NO_FIFO			BIT(0)
#define OMAP_I2C_FLAG_SIMPLE_CLOCK		BIT(1)
#define OMAP_I2C_FLAG_16BIT_DATA_REG		BIT(2)
#define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK	BIT(5)
#define OMAP_I2C_FLAG_FORCE_19200_INT_CLK	BIT(6)
/* how the CPU address bus must be translated for I2C unit access */
#define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0
#define OMAP_I2C_FLAG_BUS_SHIFT_1		BIT(7)
#define OMAP_I2C_FLAG_BUS_SHIFT_2		BIT(8)
#define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7

struct omap_i2c_bus_platform_data {
	u32		clkrate;
	u32		rev;
	u32		flags;
	void		(*set_mpu_wkup_lat)(struct device *dev, long set);
};

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
20c9d2c4 KJ	2	#ifndef __I2C_OMAP_H__
	3	#define __I2C_OMAP_H__
	4
4d17aeb1 PW	5	#include <linux/platform_device.h>
4d17aeb1 PW	6
d72fe788 AG	7	/*
	8	* Version 2 of the I2C peripheral unit has a different register
	9	* layout and extra registers. The ID register in the V2 peripheral
	10	* unit on the OMAP4430 reports the same ID as the V1 peripheral
	11	* unit on the OMAP3530, so we must inform the driver which IP
	12	* version we know it is running on from platform / cpu-specific
	13	* code using these constants in the hwmod class definition.
	14	*/
	15
	16	#define OMAP_I2C_IP_VERSION_1 1
	17	#define OMAP_I2C_IP_VERSION_2 2
	18
5a9aaf0c AG	19	/* struct omap_i2c_bus_platform_data .flags meanings */
	20
	21	#define OMAP_I2C_FLAG_NO_FIFO BIT(0)
	22	#define OMAP_I2C_FLAG_SIMPLE_CLOCK BIT(1)
	23	#define OMAP_I2C_FLAG_16BIT_DATA_REG BIT(2)
5a9aaf0c AG	24	#define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK BIT(5)
	25	#define OMAP_I2C_FLAG_FORCE_19200_INT_CLK BIT(6)
	26	/* how the CPU address bus must be translated for I2C unit access */
	27	#define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0
	28	#define OMAP_I2C_FLAG_BUS_SHIFT_1 BIT(7)
	29	#define OMAP_I2C_FLAG_BUS_SHIFT_2 BIT(8)
	30	#define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7
	31
20c9d2c4 KJ	32	struct omap_i2c_bus_platform_data {
20c9d2c4 KJ	33	u32 clkrate;
5c825ee2	34	u32 rev;
c23600a6	35	u32 flags;
49839dc9	36	void (set_mpu_wkup_lat)(struct device dev, long set);
20c9d2c4 KJ	37	};
	38
	39	#endif