mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-27 01:20:55 +07:00
5a9aaf0cf8
These represent the 8 kinds of implementation functionality that up until now were inferred by the 16 remaining cpu_...() tests in the omap i2c driver. Changed to use BIT() as suggested by Balaji T Krishnamoorthy. Cc: patches@linaro.org Cc: Ben Dooks <ben-linux@fluff.org> Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andy Green <andy.green@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
#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_RESET_REGS_POSTIDLE BIT(3)
|
|
#define OMAP_I2C_FLAG_APPLY_ERRATA_I207 BIT(4)
|
|
#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;
|
|
void (*set_mpu_wkup_lat)(struct device *dev, long set);
|
|
int (*device_enable) (struct platform_device *pdev);
|
|
int (*device_shutdown) (struct platform_device *pdev);
|
|
int (*device_idle) (struct platform_device *pdev);
|
|
};
|
|
|
|
#endif
|