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| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/arch/arm/include/asm/imx-common/mxc_i2c.h | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/u-boot/arch/arm/include/asm/imx-common/mxc_i2c.h')
| -rw-r--r-- | roms/u-boot/arch/arm/include/asm/imx-common/mxc_i2c.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/include/asm/imx-common/mxc_i2c.h b/roms/u-boot/arch/arm/include/asm/imx-common/mxc_i2c.h new file mode 100644 index 00000000..47a9edc8 --- /dev/null +++ b/roms/u-boot/arch/arm/include/asm/imx-common/mxc_i2c.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#ifndef __ASM_ARCH_MXC_MXC_I2C_H__ +#define __ASM_ARCH_MXC_MXC_I2C_H__ +#include <asm/imx-common/iomux-v3.h> + +struct i2c_pin_ctrl { + iomux_v3_cfg_t i2c_mode; + iomux_v3_cfg_t gpio_mode; + unsigned char gp; + unsigned char spare; +}; + +struct i2c_pads_info { + struct i2c_pin_ctrl scl; + struct i2c_pin_ctrl sda; +}; + +void setup_i2c(unsigned i2c_index, int speed, int slave_addr, + struct i2c_pads_info *p); +void bus_i2c_init(void *base, int speed, int slave_addr, + int (*idle_bus_fn)(void *p), void *p); +int bus_i2c_read(void *base, uchar chip, uint addr, int alen, uchar *buf, + int len); +int bus_i2c_write(void *base, uchar chip, uint addr, int alen, + const uchar *buf, int len); +#endif |