diff options
Diffstat (limited to 'drivers/i2c/fsl_i2c.c')
-rw-r--r-- | drivers/i2c/fsl_i2c.c | 379 |
1 files changed, 248 insertions, 131 deletions
diff --git a/drivers/i2c/fsl_i2c.c b/drivers/i2c/fsl_i2c.c index b56a1c2..b8cc647 100644 --- a/drivers/i2c/fsl_i2c.c +++ b/drivers/i2c/fsl_i2c.c @@ -12,6 +12,8 @@ #include <i2c.h> /* Functional interface */ #include <asm/io.h> #include <asm/fsl_i2c.h> /* HW definitions */ +#include <dm.h> +#include <mapmem.h> /* The maximum number of microseconds we will wait until another master has * released the bus. If not defined in the board header file, then use a @@ -34,18 +36,20 @@ DECLARE_GLOBAL_DATA_PTR; -static const struct fsl_i2c *i2c_dev[4] = { - (struct fsl_i2c *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C_OFFSET), +#ifndef CONFIG_DM_I2C +static const struct fsl_i2c_base *i2c_base[4] = { + (struct fsl_i2c_base *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C_OFFSET), #ifdef CONFIG_SYS_FSL_I2C2_OFFSET - (struct fsl_i2c *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C2_OFFSET), + (struct fsl_i2c_base *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C2_OFFSET), #endif #ifdef CONFIG_SYS_FSL_I2C3_OFFSET - (struct fsl_i2c *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C3_OFFSET), + (struct fsl_i2c_base *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C3_OFFSET), #endif #ifdef CONFIG_SYS_FSL_I2C4_OFFSET - (struct fsl_i2c *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C4_OFFSET) + (struct fsl_i2c_base *)(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_I2C4_OFFSET) #endif }; +#endif /* I2C speed map for a DFSR value of 1 */ @@ -104,7 +108,7 @@ static const struct { /** * Set the I2C bus speed for a given I2C device * - * @param dev: the I2C device + * @param base: the I2C device registers * @i2c_clk: I2C bus clock frequency * @speed: the desired speed of the bus * @@ -112,7 +116,7 @@ static const struct { * * The return value is the actual bus speed that is set. */ -static unsigned int set_i2c_bus_speed(const struct fsl_i2c *dev, +static unsigned int set_i2c_bus_speed(const struct fsl_i2c_base *base, unsigned int i2c_clk, unsigned int speed) { unsigned short divider = min(i2c_clk / speed, (unsigned int)USHRT_MAX); @@ -173,8 +177,8 @@ static unsigned int set_i2c_bus_speed(const struct fsl_i2c *dev, debug("divider:%d, est_div:%ld, DFSR:%d\n", divider, est_div, dfsr); debug("FDR:0x%.2x, speed:%d\n", fdr, speed); #endif - writeb(dfsr, &dev->dfsrr); /* set default filter */ - writeb(fdr, &dev->fdr); /* set bus speed */ + writeb(dfsr, &base->dfsrr); /* set default filter */ + writeb(fdr, &base->fdr); /* set bus speed */ #else unsigned int i; @@ -184,7 +188,7 @@ static unsigned int set_i2c_bus_speed(const struct fsl_i2c *dev, fdr = fsl_i2c_speed_map[i].fdr; speed = i2c_clk / fsl_i2c_speed_map[i].divider; - writeb(fdr, &dev->fdr); /* set bus speed */ + writeb(fdr, &base->fdr); /* set bus speed */ break; } @@ -192,6 +196,7 @@ static unsigned int set_i2c_bus_speed(const struct fsl_i2c *dev, return speed; } +#ifndef CONFIG_DM_I2C static unsigned int get_i2c_clock(int bus) { if (bus) @@ -199,8 +204,9 @@ static unsigned int get_i2c_clock(int bus) else return gd->arch.i2c1_clk; /* I2C1 clock */ } +#endif -static int fsl_i2c_fixup(const struct fsl_i2c *dev) +static int fsl_i2c_fixup(const struct fsl_i2c_base *base) { const unsigned long long timeout = usec2ticks(CONFIG_I2C_MBB_TIMEOUT); unsigned long long timeval = 0; @@ -214,42 +220,42 @@ static int fsl_i2c_fixup(const struct fsl_i2c *dev) flags = I2C_CR_BIT6; #endif - writeb(I2C_CR_MEN | I2C_CR_MSTA, &dev->cr); + writeb(I2C_CR_MEN | I2C_CR_MSTA, &base->cr); timeval = get_ticks(); - while (!(readb(&dev->sr) & I2C_SR_MBB)) { + while (!(readb(&base->sr) & I2C_SR_MBB)) { if ((get_ticks() - timeval) > timeout) goto err; } - if (readb(&dev->sr) & I2C_SR_MAL) { + if (readb(&base->sr) & I2C_SR_MAL) { /* SDA is stuck low */ - writeb(0, &dev->cr); + writeb(0, &base->cr); udelay(100); - writeb(I2C_CR_MSTA | flags, &dev->cr); - writeb(I2C_CR_MEN | I2C_CR_MSTA | flags, &dev->cr); + writeb(I2C_CR_MSTA | flags, &base->cr); + writeb(I2C_CR_MEN | I2C_CR_MSTA | flags, &base->cr); } - readb(&dev->dr); + readb(&base->dr); timeval = get_ticks(); - while (!(readb(&dev->sr) & I2C_SR_MIF)) { + while (!(readb(&base->sr) & I2C_SR_MIF)) { if ((get_ticks() - timeval) > timeout) goto err; } ret = 0; err: - writeb(I2C_CR_MEN | flags, &dev->cr); - writeb(0, &dev->sr); + writeb(I2C_CR_MEN | flags, &base->cr); + writeb(0, &base->sr); udelay(100); return ret; } -static void fsl_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd) +static void __i2c_init(const struct fsl_i2c_base *base, int speed, int + slaveadd, int i2c_clk, int busnum) { - const struct fsl_i2c *dev; const unsigned long long timeout = usec2ticks(CONFIG_I2C_MBB_TIMEOUT); unsigned long long timeval; @@ -260,23 +266,21 @@ static void fsl_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd) */ i2c_init_board(); #endif - dev = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; - - writeb(0, &dev->cr); /* stop I2C controller */ + writeb(0, &base->cr); /* stop I2C controller */ udelay(5); /* let it shutdown in peace */ - set_i2c_bus_speed(dev, get_i2c_clock(adap->hwadapnr), speed); - writeb(slaveadd << 1, &dev->adr);/* write slave address */ - writeb(0x0, &dev->sr); /* clear status register */ - writeb(I2C_CR_MEN, &dev->cr); /* start I2C controller */ + set_i2c_bus_speed(base, i2c_clk, speed); + writeb(slaveadd << 1, &base->adr);/* write slave address */ + writeb(0x0, &base->sr); /* clear status register */ + writeb(I2C_CR_MEN, &base->cr); /* start I2C controller */ timeval = get_ticks(); - while (readb(&dev->sr) & I2C_SR_MBB) { + while (readb(&base->sr) & I2C_SR_MBB) { if ((get_ticks() - timeval) < timeout) continue; - if (fsl_i2c_fixup(dev)) + if (fsl_i2c_fixup(base)) debug("i2c_init: BUS#%d failed to init\n", - adap->hwadapnr); + busnum); break; } @@ -292,13 +296,12 @@ static void fsl_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd) } static int -i2c_wait4bus(struct i2c_adapter *adap) +i2c_wait4bus(const struct fsl_i2c_base *base) { - struct fsl_i2c *dev = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; unsigned long long timeval = get_ticks(); const unsigned long long timeout = usec2ticks(CONFIG_I2C_MBB_TIMEOUT); - while (readb(&dev->sr) & I2C_SR_MBB) { + while (readb(&base->sr) & I2C_SR_MBB) { if ((get_ticks() - timeval) > timeout) return -1; } @@ -306,22 +309,21 @@ i2c_wait4bus(struct i2c_adapter *adap) return 0; } -static __inline__ int -i2c_wait(struct i2c_adapter *adap, int write) +static inline int +i2c_wait(const struct fsl_i2c_base *base, int write) { u32 csr; unsigned long long timeval = get_ticks(); const unsigned long long timeout = usec2ticks(CONFIG_I2C_TIMEOUT); - struct fsl_i2c *dev = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; do { - csr = readb(&dev->sr); + csr = readb(&base->sr); if (!(csr & I2C_SR_MIF)) continue; /* Read again to allow register to stabilise */ - csr = readb(&dev->sr); + csr = readb(&base->sr); - writeb(0x0, &dev->sr); + writeb(0x0, &base->sr); if (csr & I2C_SR_MAL) { debug("i2c_wait: MAL\n"); @@ -345,203 +347,318 @@ i2c_wait(struct i2c_adapter *adap, int write) return -1; } -static __inline__ int -i2c_write_addr(struct i2c_adapter *adap, u8 dev, u8 dir, int rsta) +static inline int +i2c_write_addr(const struct fsl_i2c_base *base, u8 dev, u8 dir, int rsta) { - struct fsl_i2c *device = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; - writeb(I2C_CR_MEN | I2C_CR_MSTA | I2C_CR_MTX | (rsta ? I2C_CR_RSTA : 0), - &device->cr); + &base->cr); - writeb((dev << 1) | dir, &device->dr); + writeb((dev << 1) | dir, &base->dr); - if (i2c_wait(adap, I2C_WRITE_BIT) < 0) + if (i2c_wait(base, I2C_WRITE_BIT) < 0) return 0; return 1; } -static __inline__ int -__i2c_write(struct i2c_adapter *adap, u8 *data, int length) +static inline int +__i2c_write_data(const struct fsl_i2c_base *base, u8 *data, int length) { - struct fsl_i2c *dev = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; int i; for (i = 0; i < length; i++) { - writeb(data[i], &dev->dr); + writeb(data[i], &base->dr); - if (i2c_wait(adap, I2C_WRITE_BIT) < 0) + if (i2c_wait(base, I2C_WRITE_BIT) < 0) break; } return i; } -static __inline__ int -__i2c_read(struct i2c_adapter *adap, u8 *data, int length) +static inline int +__i2c_read_data(const struct fsl_i2c_base *base, u8 *data, int length) { - struct fsl_i2c *dev = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; int i; writeb(I2C_CR_MEN | I2C_CR_MSTA | ((length == 1) ? I2C_CR_TXAK : 0), - &dev->cr); + &base->cr); /* dummy read */ - readb(&dev->dr); + readb(&base->dr); for (i = 0; i < length; i++) { - if (i2c_wait(adap, I2C_READ_BIT) < 0) + if (i2c_wait(base, I2C_READ_BIT) < 0) break; /* Generate ack on last next to last byte */ if (i == length - 2) writeb(I2C_CR_MEN | I2C_CR_MSTA | I2C_CR_TXAK, - &dev->cr); + &base->cr); /* Do not generate stop on last byte */ if (i == length - 1) writeb(I2C_CR_MEN | I2C_CR_MSTA | I2C_CR_MTX, - &dev->cr); + &base->cr); - data[i] = readb(&dev->dr); + data[i] = readb(&base->dr); } return i; } static int -fsl_i2c_read(struct i2c_adapter *adap, u8 dev, uint addr, int alen, u8 *data, - int length) +__i2c_read(const struct fsl_i2c_base *base, u8 chip_addr, u8 *offset, int olen, + u8 *data, int dlen) { - struct fsl_i2c *device = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; - int i = -1; /* signal error */ - u8 *a = (u8*)&addr; - int len = alen * -1; + int ret = -1; /* signal error */ - if (i2c_wait4bus(adap) < 0) + if (i2c_wait4bus(base) < 0) return -1; - /* To handle the need of I2C devices that require to write few bytes - * (more than 4 bytes of address as in the case of else part) - * of data before reading, Negative equivalent of length(bytes to write) - * is passed, but used the +ve part of len for writing data + /* Some drivers use offset lengths in excess of 4 bytes. These drivers + * adhere to the following convention: + * - the offset length is passed as negative (that is, the absolute + * value of olen is the actual offset length) + * - the offset itself is passed in data, which is overwritten by the + * subsequent read operation */ - if (alen < 0) { - /* Generate a START and send the Address and - * the Tx Bytes to the slave. - * "START: Address: Write bytes data[len]" - * IF part supports writing any number of bytes in contrast - * to the else part, which supports writing address offset - * of upto 4 bytes only. - * bytes that need to be written are passed in - * "data", which will eventually keep the data READ, - * after writing the len bytes out of it - */ - if (i2c_write_addr(adap, dev, I2C_WRITE_BIT, 0) != 0) - i = __i2c_write(adap, data, len); - - if (i != len) + if (olen < 0) { + if (i2c_write_addr(base, chip_addr, I2C_WRITE_BIT, 0) != 0) + ret = __i2c_write_data(base, data, -olen); + + if (ret != -olen) return -1; - if (length && i2c_write_addr(adap, dev, I2C_READ_BIT, 1) != 0) - i = __i2c_read(adap, data, length); + if (dlen && i2c_write_addr(base, chip_addr, + I2C_READ_BIT, 1) != 0) + ret = __i2c_read_data(base, data, dlen); } else { - if ((!length || alen > 0) && - i2c_write_addr(adap, dev, I2C_WRITE_BIT, 0) != 0 && - __i2c_write(adap, &a[4 - alen], alen) == alen) - i = 0; /* No error so far */ - - if (length && - i2c_write_addr(adap, dev, I2C_READ_BIT, alen ? 1 : 0) != 0) - i = __i2c_read(adap, data, length); + if ((!dlen || olen > 0) && + i2c_write_addr(base, chip_addr, I2C_WRITE_BIT, 0) != 0 && + __i2c_write_data(base, offset, olen) == olen) + ret = 0; /* No error so far */ + + if (dlen && i2c_write_addr(base, chip_addr, I2C_READ_BIT, + olen ? 1 : 0) != 0) + ret = __i2c_read_data(base, data, dlen); } - writeb(I2C_CR_MEN, &device->cr); + writeb(I2C_CR_MEN, &base->cr); - if (i2c_wait4bus(adap)) /* Wait until STOP */ + if (i2c_wait4bus(base)) /* Wait until STOP */ debug("i2c_read: wait4bus timed out\n"); - if (i == length) - return 0; + if (ret == dlen) + return 0; return -1; } static int -fsl_i2c_write(struct i2c_adapter *adap, u8 dev, uint addr, int alen, - u8 *data, int length) +__i2c_write(const struct fsl_i2c_base *base, u8 chip_addr, u8 *offset, int olen, + u8 *data, int dlen) { - struct fsl_i2c *device = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; - int i = -1; /* signal error */ - u8 *a = (u8*)&addr; + int ret = -1; /* signal error */ - if (i2c_wait4bus(adap) < 0) + if (i2c_wait4bus(base) < 0) return -1; - if (i2c_write_addr(adap, dev, I2C_WRITE_BIT, 0) != 0 && - __i2c_write(adap, &a[4 - alen], alen) == alen) { - i = __i2c_write(adap, data, length); + if (i2c_write_addr(base, chip_addr, I2C_WRITE_BIT, 0) != 0 && + __i2c_write_data(base, offset, olen) == olen) { + ret = __i2c_write_data(base, data, dlen); } - writeb(I2C_CR_MEN, &device->cr); - if (i2c_wait4bus(adap)) /* Wait until STOP */ + writeb(I2C_CR_MEN, &base->cr); + if (i2c_wait4bus(base)) /* Wait until STOP */ debug("i2c_write: wait4bus timed out\n"); - if (i == length) - return 0; + if (ret == dlen) + return 0; return -1; } static int -fsl_i2c_probe(struct i2c_adapter *adap, uchar chip) +__i2c_probe_chip(const struct fsl_i2c_base *base, uchar chip) { - struct fsl_i2c *dev = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; /* For unknow reason the controller will ACK when * probing for a slave with the same address, so skip * it. */ - if (chip == (readb(&dev->adr) >> 1)) + if (chip == (readb(&base->adr) >> 1)) return -1; - return fsl_i2c_read(adap, chip, 0, 0, NULL, 0); + return __i2c_read(base, chip, 0, 0, NULL, 0); } -static unsigned int fsl_i2c_set_bus_speed(struct i2c_adapter *adap, - unsigned int speed) +static unsigned int __i2c_set_bus_speed(const struct fsl_i2c_base *base, + unsigned int speed, int i2c_clk) { - struct fsl_i2c *dev = (struct fsl_i2c *)i2c_dev[adap->hwadapnr]; - - writeb(0, &dev->cr); /* stop controller */ - set_i2c_bus_speed(dev, get_i2c_clock(adap->hwadapnr), speed); - writeb(I2C_CR_MEN, &dev->cr); /* start controller */ + writeb(0, &base->cr); /* stop controller */ + set_i2c_bus_speed(base, i2c_clk, speed); + writeb(I2C_CR_MEN, &base->cr); /* start controller */ return 0; } +#ifndef CONFIG_DM_I2C +static void fsl_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd) +{ + __i2c_init(i2c_base[adap->hwadapnr], speed, slaveadd, + get_i2c_clock(adap->hwadapnr), adap->hwadapnr); +} + +static int +fsl_i2c_probe_chip(struct i2c_adapter *adap, uchar chip) +{ + return __i2c_probe_chip(i2c_base[adap->hwadapnr], chip); +} + +static int +fsl_i2c_read(struct i2c_adapter *adap, u8 chip_addr, uint offset, int olen, + u8 *data, int dlen) +{ + u8 *o = (u8 *)&offset; + return __i2c_read(i2c_base[adap->hwadapnr], chip_addr, &o[4 - olen], + olen, data, dlen); +} + +static int +fsl_i2c_write(struct i2c_adapter *adap, u8 chip_addr, uint offset, int olen, + u8 *data, int dlen) +{ + u8 *o = (u8 *)&offset; + return __i2c_write(i2c_base[adap->hwadapnr], chip_addr, &o[4 - olen], + olen, data, dlen); +} + +static unsigned int fsl_i2c_set_bus_speed(struct i2c_adapter *adap, + unsigned int speed) +{ + return __i2c_set_bus_speed(i2c_base[adap->hwadapnr], speed, + get_i2c_clock(adap->hwadapnr)); +} + /* * Register fsl i2c adapters */ -U_BOOT_I2C_ADAP_COMPLETE(fsl_0, fsl_i2c_init, fsl_i2c_probe, fsl_i2c_read, +U_BOOT_I2C_ADAP_COMPLETE(fsl_0, fsl_i2c_init, fsl_i2c_probe_chip, fsl_i2c_read, fsl_i2c_write, fsl_i2c_set_bus_speed, CONFIG_SYS_FSL_I2C_SPEED, CONFIG_SYS_FSL_I2C_SLAVE, 0) #ifdef CONFIG_SYS_FSL_I2C2_OFFSET -U_BOOT_I2C_ADAP_COMPLETE(fsl_1, fsl_i2c_init, fsl_i2c_probe, fsl_i2c_read, +U_BOOT_I2C_ADAP_COMPLETE(fsl_1, fsl_i2c_init, fsl_i2c_probe_chip, fsl_i2c_read, fsl_i2c_write, fsl_i2c_set_bus_speed, CONFIG_SYS_FSL_I2C2_SPEED, CONFIG_SYS_FSL_I2C2_SLAVE, 1) #endif #ifdef CONFIG_SYS_FSL_I2C3_OFFSET -U_BOOT_I2C_ADAP_COMPLETE(fsl_2, fsl_i2c_init, fsl_i2c_probe, fsl_i2c_read, +U_BOOT_I2C_ADAP_COMPLETE(fsl_2, fsl_i2c_init, fsl_i2c_probe_chip, fsl_i2c_read, fsl_i2c_write, fsl_i2c_set_bus_speed, CONFIG_SYS_FSL_I2C3_SPEED, CONFIG_SYS_FSL_I2C3_SLAVE, 2) #endif #ifdef CONFIG_SYS_FSL_I2C4_OFFSET -U_BOOT_I2C_ADAP_COMPLETE(fsl_3, fsl_i2c_init, fsl_i2c_probe, fsl_i2c_read, +U_BOOT_I2C_ADAP_COMPLETE(fsl_3, fsl_i2c_init, fsl_i2c_probe_chip, fsl_i2c_read, fsl_i2c_write, fsl_i2c_set_bus_speed, CONFIG_SYS_FSL_I2C4_SPEED, CONFIG_SYS_FSL_I2C4_SLAVE, 3) #endif +#else /* CONFIG_DM_I2C */ +static int fsl_i2c_probe_chip(struct udevice *bus, u32 chip_addr, + u32 chip_flags) +{ + struct fsl_i2c_dev *dev = dev_get_priv(bus); + return __i2c_probe_chip(dev->base, chip_addr); +} + +static int fsl_i2c_set_bus_speed(struct udevice *bus, unsigned int speed) +{ + struct fsl_i2c_dev *dev = dev_get_priv(bus); + return __i2c_set_bus_speed(dev->base, speed, dev->i2c_clk); +} + +static int fsl_i2c_ofdata_to_platdata(struct udevice *bus) +{ + struct fsl_i2c_dev *dev = dev_get_priv(bus); + u64 reg; + u32 addr, size; + + reg = fdtdec_get_addr(gd->fdt_blob, bus->of_offset, "reg"); + addr = reg >> 32; + size = reg & 0xFFFFFFFF; + + dev->base = map_sysmem(CONFIG_SYS_IMMR + addr, size); + + if (!dev->base) + return -ENOMEM; + + dev->index = fdtdec_get_int(gd->fdt_blob, bus->of_offset, + "cell-index", -1); + dev->slaveadd = fdtdec_get_int(gd->fdt_blob, bus->of_offset, + "u-boot,i2c-slave-addr", 0x7f); + dev->speed = fdtdec_get_int(gd->fdt_blob, bus->of_offset, + "clock-frequency", 400000); + + dev->i2c_clk = dev->index ? gd->arch.i2c2_clk : gd->arch.i2c1_clk; + + return 0; +} + +static int fsl_i2c_probe(struct udevice *bus) +{ + struct fsl_i2c_dev *dev = dev_get_priv(bus); + __i2c_init(dev->base, dev->speed, dev->slaveadd, dev->i2c_clk, + dev->index); + return 0; +} + +static int fsl_i2c_xfer(struct udevice *bus, struct i2c_msg *msg, int nmsgs) +{ + struct fsl_i2c_dev *dev = dev_get_priv(bus); + struct i2c_msg *dmsg, *omsg, dummy; + + memset(&dummy, 0, sizeof(struct i2c_msg)); + + /* We expect either two messages (one with an offset and one with the + * actucal data) or one message (just data) */ + if (nmsgs > 2 || nmsgs == 0) { + debug("%s: Only one or two messages are supported.", __func__); + return -1; + } + + omsg = nmsgs == 1 ? &dummy : msg; + dmsg = nmsgs == 1 ? msg : msg + 1; + + if (dmsg->flags & I2C_M_RD) + return __i2c_read(dev->base, dmsg->addr, omsg->buf, omsg->len, + dmsg->buf, dmsg->len); + else + return __i2c_write(dev->base, dmsg->addr, omsg->buf, omsg->len, + dmsg->buf, dmsg->len); +} + +static const struct dm_i2c_ops fsl_i2c_ops = { + .xfer = fsl_i2c_xfer, + .probe_chip = fsl_i2c_probe_chip, + .set_bus_speed = fsl_i2c_set_bus_speed, +}; + +static const struct udevice_id fsl_i2c_ids[] = { + { .compatible = "fsl-i2c", }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(i2c_fsl) = { + .name = "i2c_fsl", + .id = UCLASS_I2C, + .of_match = fsl_i2c_ids, + .probe = fsl_i2c_probe, + .ofdata_to_platdata = fsl_i2c_ofdata_to_platdata, + .priv_auto_alloc_size = sizeof(struct fsl_i2c_dev), + .ops = &fsl_i2c_ops, +}; + +#endif /* CONFIG_DM_I2C */ |