diff options
Diffstat (limited to 'drivers/power/power_i2c.c')
| -rw-r--r-- | drivers/power/power_i2c.c | 46 |
1 files changed, 44 insertions, 2 deletions
diff --git a/drivers/power/power_i2c.c b/drivers/power/power_i2c.c index bcddff2d7a..b30f223a5c 100644 --- a/drivers/power/power_i2c.c +++ b/drivers/power/power_i2c.c @@ -7,6 +7,7 @@ * Stefano Babic, DENX Software Engineering, sbabic@denx.de * * (C) Copyright 2008-2009 Freescale Semiconductor, Inc. + * (C) Copyright 2019 NXP */ #include <common.h> @@ -21,8 +22,20 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val) if (check_reg(p, reg)) return -EINVAL; +#if defined(CONFIG_DM_I2C) + struct udevice *dev; + int ret; + ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + p->bus); + return -ENXIO; + } +#else /* Non DM I2C support - will be removed */ I2C_SET_BUS(p->bus); +#endif switch (pmic_i2c_tx_num) { case 3: @@ -53,7 +66,11 @@ int pmic_reg_write(struct pmic *p, u32 reg, u32 val) return -EINVAL; } +#if defined(CONFIG_DM_I2C) + return dm_i2c_write(dev, reg, buf, pmic_i2c_tx_num); +#else return i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num); +#endif } int pmic_reg_read(struct pmic *p, u32 reg, u32 *val) @@ -65,9 +82,21 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32 *val) if (check_reg(p, reg)) return -EINVAL; - I2C_SET_BUS(p->bus); +#if defined(CONFIG_DM_I2C) + struct udevice *dev; + ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + p->bus); + return -ENXIO; + } + ret = dm_i2c_read(dev, reg, buf, pmic_i2c_tx_num); +#else /* Non DM I2C support - will be removed */ + I2C_SET_BUS(p->bus); ret = i2c_read(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num); +#endif if (ret) return ret; @@ -100,12 +129,25 @@ int pmic_reg_read(struct pmic *p, u32 reg, u32 *val) int pmic_probe(struct pmic *p) { - i2c_set_bus_num(p->bus); debug("Bus: %d PMIC:%s probed!\n", p->bus, p->name); +#if defined(CONFIG_DM_I2C) + struct udevice *dev; + int ret; + + ret = i2c_get_chip_for_busnum(p->bus, pmic_i2c_addr, + 1, &dev); + if (ret) { + printf("%s: Cannot find udev for a bus %d\n", __func__, + p->bus); + return -ENXIO; + } +#else /* Non DM I2C support - will be removed */ + i2c_set_bus_num(p->bus); if (i2c_probe(pmic_i2c_addr)) { printf("Can't find PMIC:%s\n", p->name); return -ENODEV; } +#endif return 0; } |