diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/misc/mc9sdz60.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/misc/mc9sdz60.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/misc/mc9sdz60.c b/qemu/roms/u-boot/drivers/misc/mc9sdz60.c new file mode 100644 index 000000000..cd56b58c2 --- /dev/null +++ b/qemu/roms/u-boot/drivers/misc/mc9sdz60.c @@ -0,0 +1,35 @@ +/* + * (C) Copyright 2010 Stefano Babic <sbabic@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + + +#include <config.h> +#include <common.h> +#include <asm/errno.h> +#include <linux/types.h> +#include <i2c.h> +#include <mc9sdz60.h> + +#ifndef CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR +#error "You have to configure I2C address for MC9SDZ60" +#endif + + +u8 mc9sdz60_reg_read(enum mc9sdz60_reg reg) +{ + u8 val; + + if (i2c_read(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1)) { + puts("Error reading MC9SDZ60 register\n"); + return -1; + } + + return val; +} + +void mc9sdz60_reg_write(enum mc9sdz60_reg reg, u8 val) +{ + i2c_write(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1); +} |