diff options
| -rw-r--r-- | drivers/i2c/mv_i2c.c | 512 | ||||
| -rw-r--r-- | drivers/i2c/mv_i2c.h | 15 | ||||
| -rw-r--r-- | drivers/i2c/mvtwsi.c | 1 |
3 files changed, 333 insertions, 195 deletions
diff --git a/drivers/i2c/mv_i2c.c b/drivers/i2c/mv_i2c.c index fc02e65..7f52fa2 100644 --- a/drivers/i2c/mv_i2c.c +++ b/drivers/i2c/mv_i2c.c @@ -18,18 +18,11 @@ */ #include <common.h> -#include <asm/io.h> - -#ifdef CONFIG_HARD_I2C +#include <dm.h> #include <i2c.h> +#include <asm/io.h> #include "mv_i2c.h" -#ifdef DEBUG_I2C -#define PRINTD(x) printf x -#else -#define PRINTD(x) -#endif - /* All transfers are described by this data structure */ struct mv_i2c_msg { u8 condition; @@ -38,6 +31,16 @@ struct mv_i2c_msg { u8 data; }; +#ifdef CONFIG_ARMADA_3700 +/* Armada 3700 has no padding between the registers */ +struct mv_i2c { + u32 ibmr; + u32 idbr; + u32 icr; + u32 isr; + u32 isar; +}; +#else struct mv_i2c { u32 ibmr; u32 pad0; @@ -49,64 +52,26 @@ struct mv_i2c { u32 pad3; u32 isar; }; - -static struct mv_i2c *base; -static void i2c_board_init(struct mv_i2c *base) -{ -#ifdef CONFIG_SYS_I2C_INIT_BOARD - u32 icr; - /* - * call board specific i2c bus reset routine before accessing the - * environment, which might be in a chip on that bus. For details - * about this problem see doc/I2C_Edge_Conditions. - * - * disable I2C controller first, otherwhise it thinks we want to - * talk to the slave port... - */ - icr = readl(&base->icr); - writel(readl(&base->icr) & ~(ICR_SCLE | ICR_IUE), &base->icr); - - i2c_init_board(); - - writel(icr, &base->icr); #endif -} - -#ifdef CONFIG_I2C_MULTI_BUS -static unsigned long i2c_regs[CONFIG_MV_I2C_NUM] = CONFIG_MV_I2C_REG; -static unsigned int bus_initialized[CONFIG_MV_I2C_NUM]; -static unsigned int current_bus; - -int i2c_set_bus_num(unsigned int bus) -{ - if ((bus < 0) || (bus >= CONFIG_MV_I2C_NUM)) { - printf("Bad bus: %d\n", bus); - return -1; - } - base = (struct mv_i2c *)i2c_regs[bus]; - current_bus = bus; - - if (!bus_initialized[current_bus]) { - i2c_board_init(base); - bus_initialized[current_bus] = 1; - } - - return 0; -} - -unsigned int i2c_get_bus_num(void) +/* + * Dummy implementation that can be overwritten by a board + * specific function + */ +__weak void i2c_clk_enable(void) { - return current_bus; } -#endif /* * i2c_reset: - reset the host controller * */ -static void i2c_reset(void) +static void i2c_reset(struct mv_i2c *base) { + u32 icr_mode; + + /* Save bus mode (standard or fast speed) for later use */ + icr_mode = readl(&base->icr) & ICR_MODE_MASK; writel(readl(&base->icr) & ~ICR_IUE, &base->icr); /* disable unit */ writel(readl(&base->icr) | ICR_UR, &base->icr); /* reset the unit */ udelay(100); @@ -115,7 +80,8 @@ static void i2c_reset(void) i2c_clk_enable(); writel(CONFIG_SYS_I2C_SLAVE, &base->isar); /* set our slave address */ - writel(I2C_ICR_INIT, &base->icr); /* set control reg values */ + /* set control reg values */ + writel(I2C_ICR_INIT | icr_mode, &base->icr); writel(I2C_ISR_INIT, &base->isr); /* set clear interrupt bits */ writel(readl(&base->icr) | ICR_IUE, &base->icr); /* enable unit */ udelay(100); @@ -127,7 +93,7 @@ static void i2c_reset(void) * * @return: 1 in case of success, 0 means timeout (no match within 10 ms). */ -static int i2c_isr_set_cleared(unsigned long set_mask, +static int i2c_isr_set_cleared(struct mv_i2c *base, unsigned long set_mask, unsigned long cleared_mask) { int timeout = 1000, isr; @@ -157,7 +123,7 @@ static int i2c_isr_set_cleared(unsigned long set_mask, * -5: illegal parameters * -6: bus is busy and couldn't be aquired */ -int i2c_transfer(struct mv_i2c_msg *msg) +static int i2c_transfer(struct mv_i2c *base, struct mv_i2c_msg *msg) { int ret; @@ -167,7 +133,7 @@ int i2c_transfer(struct mv_i2c_msg *msg) switch (msg->direction) { case I2C_WRITE: /* check if bus is not busy */ - if (!i2c_isr_set_cleared(0, ISR_IBB)) + if (!i2c_isr_set_cleared(base, 0, ISR_IBB)) goto transfer_error_bus_busy; /* start transmission */ @@ -186,7 +152,7 @@ int i2c_transfer(struct mv_i2c_msg *msg) writel(readl(&base->icr) | ICR_TB, &base->icr); /* transmit register empty? */ - if (!i2c_isr_set_cleared(ISR_ITE, 0)) + if (!i2c_isr_set_cleared(base, ISR_ITE, 0)) goto transfer_error_transmit_timeout; /* clear 'transmit empty' state */ @@ -194,14 +160,14 @@ int i2c_transfer(struct mv_i2c_msg *msg) /* wait for ACK from slave */ if (msg->acknack == I2C_ACKNAK_WAITACK) - if (!i2c_isr_set_cleared(0, ISR_ACKNAK)) + if (!i2c_isr_set_cleared(base, 0, ISR_ACKNAK)) goto transfer_error_ack_missing; break; case I2C_READ: /* check if bus is not busy */ - if (!i2c_isr_set_cleared(0, ISR_IBB)) + if (!i2c_isr_set_cleared(base, 0, ISR_IBB)) goto transfer_error_bus_busy; /* start receive */ @@ -219,7 +185,7 @@ int i2c_transfer(struct mv_i2c_msg *msg) writel(readl(&base->icr) | ICR_TB, &base->icr); /* receive register full? */ - if (!i2c_isr_set_cleared(ISR_IRF, 0)) + if (!i2c_isr_set_cleared(base, ISR_IRF, 0)) goto transfer_error_receive_timeout; msg->data = readl(&base->idbr); @@ -234,139 +200,89 @@ int i2c_transfer(struct mv_i2c_msg *msg) return 0; transfer_error_msg_empty: - PRINTD(("i2c_transfer: error: 'msg' is empty\n")); - ret = -1; goto i2c_transfer_finish; + debug("i2c_transfer: error: 'msg' is empty\n"); + ret = -1; + goto i2c_transfer_finish; transfer_error_transmit_timeout: - PRINTD(("i2c_transfer: error: transmit timeout\n")); - ret = -2; goto i2c_transfer_finish; + debug("i2c_transfer: error: transmit timeout\n"); + ret = -2; + goto i2c_transfer_finish; transfer_error_ack_missing: - PRINTD(("i2c_transfer: error: ACK missing\n")); - ret = -3; goto i2c_transfer_finish; + debug("i2c_transfer: error: ACK missing\n"); + ret = -3; + goto i2c_transfer_finish; transfer_error_receive_timeout: - PRINTD(("i2c_transfer: error: receive timeout\n")); - ret = -4; goto i2c_transfer_finish; + debug("i2c_transfer: error: receive timeout\n"); + ret = -4; + goto i2c_transfer_finish; transfer_error_illegal_param: - PRINTD(("i2c_transfer: error: illegal parameters\n")); - ret = -5; goto i2c_transfer_finish; + debug("i2c_transfer: error: illegal parameters\n"); + ret = -5; + goto i2c_transfer_finish; transfer_error_bus_busy: - PRINTD(("i2c_transfer: error: bus is busy\n")); - ret = -6; goto i2c_transfer_finish; + debug("i2c_transfer: error: bus is busy\n"); + ret = -6; + goto i2c_transfer_finish; i2c_transfer_finish: - PRINTD(("i2c_transfer: ISR: 0x%04x\n", readl(&base->isr))); - i2c_reset(); - return ret; + debug("i2c_transfer: ISR: 0x%04x\n", readl(&base->isr)); + i2c_reset(base); + return ret; } -/* ------------------------------------------------------------------------ */ -/* API Functions */ -/* ------------------------------------------------------------------------ */ -void i2c_init(int speed, int slaveaddr) -{ -#ifdef CONFIG_I2C_MULTI_BUS - current_bus = 0; - base = (struct mv_i2c *)i2c_regs[current_bus]; -#else - base = (struct mv_i2c *)CONFIG_MV_I2C_REG; -#endif - - i2c_board_init(base); -} - -/* - * i2c_probe: - Test if a chip answers for a given i2c address - * - * @chip: address of the chip which is searched for - * @return: 0 if a chip was found, -1 otherwhise - */ -int i2c_probe(uchar chip) +static int __i2c_read(struct mv_i2c *base, uchar chip, u8 *addr, int alen, + uchar *buffer, int len) { struct mv_i2c_msg msg; - i2c_reset(); - - msg.condition = I2C_COND_START; - msg.acknack = I2C_ACKNAK_WAITACK; - msg.direction = I2C_WRITE; - msg.data = (chip << 1) + 1; - if (i2c_transfer(&msg)) - return -1; + debug("i2c_read(chip=0x%02x, addr=0x%02x, alen=0x%02x, " + "len=0x%02x)\n", chip, *addr, alen, len); - msg.condition = I2C_COND_STOP; - msg.acknack = I2C_ACKNAK_SENDNAK; - msg.direction = I2C_READ; - msg.data = 0x00; - if (i2c_transfer(&msg)) - return -1; - - return 0; -} - -/* - * i2c_read: - Read multiple bytes from an i2c device - * - * The higher level routines take into account that this function is only - * called with len < page length of the device (see configuration file) - * - * @chip: address of the chip which is to be read - * @addr: i2c data address within the chip - * @alen: length of the i2c data address (1..2 bytes) - * @buffer: where to write the data - * @len: how much byte do we want to read - * @return: 0 in case of success - */ -int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len) -{ - struct mv_i2c_msg msg; - u8 addr_bytes[3]; /* lowest...highest byte of data address */ - - PRINTD(("i2c_read(chip=0x%02x, addr=0x%02x, alen=0x%02x, " - "len=0x%02x)\n", chip, addr, alen, len)); + if (len == 0) { + printf("reading zero byte is invalid\n"); + return -EINVAL; + } - i2c_reset(); + i2c_reset(base); /* dummy chip address write */ - PRINTD(("i2c_read: dummy chip address write\n")); + debug("i2c_read: dummy chip address write\n"); msg.condition = I2C_COND_START; msg.acknack = I2C_ACKNAK_WAITACK; msg.direction = I2C_WRITE; msg.data = (chip << 1); msg.data &= 0xFE; - if (i2c_transfer(&msg)) + if (i2c_transfer(base, &msg)) return -1; /* * send memory address bytes; * alen defines how much bytes we have to send. */ - /*addr &= ((1 << CONFIG_SYS_EEPROM_PAGE_WRITE_BITS)-1); */ - addr_bytes[0] = (u8)((addr >> 0) & 0x000000FF); - addr_bytes[1] = (u8)((addr >> 8) & 0x000000FF); - addr_bytes[2] = (u8)((addr >> 16) & 0x000000FF); - while (--alen >= 0) { - PRINTD(("i2c_read: send memory word address byte %1d\n", alen)); + debug("i2c_read: send address byte %02x (alen=%d)\n", + *addr, alen); msg.condition = I2C_COND_NORMAL; msg.acknack = I2C_ACKNAK_WAITACK; msg.direction = I2C_WRITE; - msg.data = addr_bytes[alen]; - if (i2c_transfer(&msg)) + msg.data = *(addr++); + if (i2c_transfer(base, &msg)) return -1; } /* start read sequence */ - PRINTD(("i2c_read: start read sequence\n")); + debug("i2c_read: start read sequence\n"); msg.condition = I2C_COND_START; msg.acknack = I2C_ACKNAK_WAITACK; msg.direction = I2C_WRITE; msg.data = (chip << 1); msg.data |= 0x01; - if (i2c_transfer(&msg)) + if (i2c_transfer(base, &msg)) return -1; /* read bytes; send NACK at last byte */ @@ -381,75 +297,59 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len) msg.direction = I2C_READ; msg.data = 0x00; - if (i2c_transfer(&msg)) + if (i2c_transfer(base, &msg)) return -1; *buffer = msg.data; - PRINTD(("i2c_read: reading byte (0x%08x)=0x%02x\n", - (unsigned int)buffer, *buffer)); + debug("i2c_read: reading byte (%p)=0x%02x\n", + buffer, *buffer); buffer++; } - i2c_reset(); + i2c_reset(base); return 0; } -/* - * i2c_write: - Write multiple bytes to an i2c device - * - * The higher level routines take into account that this function is only - * called with len < page length of the device (see configuration file) - * - * @chip: address of the chip which is to be written - * @addr: i2c data address within the chip - * @alen: length of the i2c data address (1..2 bytes) - * @buffer: where to find the data to be written - * @len: how much byte do we want to read - * @return: 0 in case of success - */ -int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) +static int __i2c_write(struct mv_i2c *base, uchar chip, u8 *addr, int alen, + uchar *buffer, int len) { struct mv_i2c_msg msg; - u8 addr_bytes[3]; /* lowest...highest byte of data address */ - PRINTD(("i2c_write(chip=0x%02x, addr=0x%02x, alen=0x%02x, " - "len=0x%02x)\n", chip, addr, alen, len)); + debug("i2c_write(chip=0x%02x, addr=0x%02x, alen=0x%02x, " + "len=0x%02x)\n", chip, *addr, alen, len); - i2c_reset(); + i2c_reset(base); /* chip address write */ - PRINTD(("i2c_write: chip address write\n")); + debug("i2c_write: chip address write\n"); msg.condition = I2C_COND_START; msg.acknack = I2C_ACKNAK_WAITACK; msg.direction = I2C_WRITE; msg.data = (chip << 1); msg.data &= 0xFE; - if (i2c_transfer(&msg)) + if (i2c_transfer(base, &msg)) return -1; /* * send memory address bytes; * alen defines how much bytes we have to send. */ - addr_bytes[0] = (u8)((addr >> 0) & 0x000000FF); - addr_bytes[1] = (u8)((addr >> 8) & 0x000000FF); - addr_bytes[2] = (u8)((addr >> 16) & 0x000000FF); - while (--alen >= 0) { - PRINTD(("i2c_write: send memory word address\n")); + debug("i2c_read: send address byte %02x (alen=%d)\n", + *addr, alen); msg.condition = I2C_COND_NORMAL; msg.acknack = I2C_ACKNAK_WAITACK; msg.direction = I2C_WRITE; - msg.data = addr_bytes[alen]; - if (i2c_transfer(&msg)) + msg.data = *(addr++); + if (i2c_transfer(base, &msg)) return -1; } /* write bytes; send NACK at last byte */ while (len--) { - PRINTD(("i2c_write: writing byte (0x%08x)=0x%02x\n", - (unsigned int)buffer, *buffer)); + debug("i2c_write: writing byte (%p)=0x%02x\n", + buffer, *buffer); if (len == 0) msg.condition = I2C_COND_STOP; @@ -460,12 +360,246 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) msg.direction = I2C_WRITE; msg.data = *(buffer++); - if (i2c_transfer(&msg)) + if (i2c_transfer(base, &msg)) return -1; } - i2c_reset(); + i2c_reset(base); + + return 0; +} + +#ifndef CONFIG_DM_I2C + +static struct mv_i2c *base_glob; + +static void i2c_board_init(struct mv_i2c *base) +{ +#ifdef CONFIG_SYS_I2C_INIT_BOARD + u32 icr; + /* + * call board specific i2c bus reset routine before accessing the + * environment, which might be in a chip on that bus. For details + * about this problem see doc/I2C_Edge_Conditions. + * + * disable I2C controller first, otherwhise it thinks we want to + * talk to the slave port... + */ + icr = readl(&base->icr); + writel(readl(&base->icr) & ~(ICR_SCLE | ICR_IUE), &base->icr); + + i2c_init_board(); + + writel(icr, &base->icr); +#endif +} + +#ifdef CONFIG_I2C_MULTI_BUS +static unsigned long i2c_regs[CONFIG_MV_I2C_NUM] = CONFIG_MV_I2C_REG; +static unsigned int bus_initialized[CONFIG_MV_I2C_NUM]; +static unsigned int current_bus; + +int i2c_set_bus_num(unsigned int bus) +{ + if ((bus < 0) || (bus >= CONFIG_MV_I2C_NUM)) { + printf("Bad bus: %d\n", bus); + return -1; + } + + base_glob = (struct mv_i2c *)i2c_regs[bus]; + current_bus = bus; + + if (!bus_initialized[current_bus]) { + i2c_board_init(base_glob); + bus_initialized[current_bus] = 1; + } + + return 0; +} + +unsigned int i2c_get_bus_num(void) +{ + return current_bus; +} +#endif + +/* API Functions */ +void i2c_init(int speed, int slaveaddr) +{ + u32 val; + +#ifdef CONFIG_I2C_MULTI_BUS + current_bus = 0; + base_glob = (struct mv_i2c *)i2c_regs[current_bus]; +#else + base_glob = (struct mv_i2c *)CONFIG_MV_I2C_REG; +#endif + + if (speed > 100000) + val = ICR_FM; + else + val = ICR_SM; + clrsetbits_le32(&base_glob->icr, ICR_MODE_MASK, val); + + i2c_board_init(base_glob); +} + +static int __i2c_probe_chip(struct mv_i2c *base, uchar chip) +{ + struct mv_i2c_msg msg; + + i2c_reset(base); + + msg.condition = I2C_COND_START; + msg.acknack = I2C_ACKNAK_WAITACK; + msg.direction = I2C_WRITE; + msg.data = (chip << 1) + 1; + if (i2c_transfer(base, &msg)) + return -1; + + msg.condition = I2C_COND_STOP; + msg.acknack = I2C_ACKNAK_SENDNAK; + msg.direction = I2C_READ; + msg.data = 0x00; + if (i2c_transfer(base, &msg)) + return -1; return 0; } -#endif /* CONFIG_HARD_I2C */ + +/* + * i2c_probe: - Test if a chip answers for a given i2c address + * + * @chip: address of the chip which is searched for + * @return: 0 if a chip was found, -1 otherwhise + */ +int i2c_probe(uchar chip) +{ + return __i2c_probe_chip(base_glob, chip); +} + +/* + * i2c_read: - Read multiple bytes from an i2c device + * + * The higher level routines take into account that this function is only + * called with len < page length of the device (see configuration file) + * + * @chip: address of the chip which is to be read + * @addr: i2c data address within the chip + * @alen: length of the i2c data address (1..2 bytes) + * @buffer: where to write the data + * @len: how much byte do we want to read + * @return: 0 in case of success + */ +int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len) +{ + u8 addr_bytes[4]; + + addr_bytes[0] = (addr >> 0) & 0xFF; + addr_bytes[1] = (addr >> 8) & 0xFF; + addr_bytes[2] = (addr >> 16) & 0xFF; + addr_bytes[3] = (addr >> 24) & 0xFF; + + return __i2c_read(base_glob, chip, addr_bytes, alen, buffer, len); +} + +/* + * i2c_write: - Write multiple bytes to an i2c device + * + * The higher level routines take into account that this function is only + * called with len < page length of the device (see configuration file) + * + * @chip: address of the chip which is to be written + * @addr: i2c data address within the chip + * @alen: length of the i2c data address (1..2 bytes) + * @buffer: where to find the data to be written + * @len: how much byte do we want to read + * @return: 0 in case of success + */ +int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) +{ + u8 addr_bytes[4]; + + addr_bytes[0] = (addr >> 0) & 0xFF; + addr_bytes[1] = (addr >> 8) & 0xFF; + addr_bytes[2] = (addr >> 16) & 0xFF; + addr_bytes[3] = (addr >> 24) & 0xFF; + + return __i2c_write(base_glob, chip, addr_bytes, alen, buffer, len); +} + +#else /* CONFIG_DM_I2C */ + +struct mv_i2c_priv { + struct mv_i2c *base; +}; + +static int mv_i2c_xfer(struct udevice *bus, struct i2c_msg *msg, int nmsgs) +{ + struct mv_i2c_priv *i2c = 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 + * actual data) or one message (just data or offset/data combined) + */ + 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(i2c->base, dmsg->addr, omsg->buf, + omsg->len, dmsg->buf, dmsg->len); + else + return __i2c_write(i2c->base, dmsg->addr, omsg->buf, + omsg->len, dmsg->buf, dmsg->len); +} + +static int mv_i2c_set_bus_speed(struct udevice *bus, unsigned int speed) +{ + struct mv_i2c_priv *priv = dev_get_priv(bus); + u32 val; + + if (speed > 100000) + val = ICR_FM; + else + val = ICR_SM; + clrsetbits_le32(&priv->base->icr, ICR_MODE_MASK, val); + + return 0; +} + +static int mv_i2c_probe(struct udevice *bus) +{ + struct mv_i2c_priv *priv = dev_get_priv(bus); + + priv->base = (void *)dev_get_addr_ptr(bus); + + return 0; +} + +static const struct dm_i2c_ops mv_i2c_ops = { + .xfer = mv_i2c_xfer, + .set_bus_speed = mv_i2c_set_bus_speed, +}; + +static const struct udevice_id mv_i2c_ids[] = { + { .compatible = "marvell,armada-3700-i2c" }, + { } +}; + +U_BOOT_DRIVER(i2c_mv) = { + .name = "i2c_mv", + .id = UCLASS_I2C, + .of_match = mv_i2c_ids, + .probe = mv_i2c_probe, + .priv_auto_alloc_size = sizeof(struct mv_i2c_priv), + .ops = &mv_i2c_ops, +}; +#endif /* CONFIG_DM_I2C */ diff --git a/drivers/i2c/mv_i2c.h b/drivers/i2c/mv_i2c.h index ae27c44..1e62892 100644 --- a/drivers/i2c/mv_i2c.h +++ b/drivers/i2c/mv_i2c.h @@ -23,12 +23,7 @@ extern void i2c_clk_enable(void); #define I2C_READ 0 #define I2C_WRITE 1 -#if (CONFIG_SYS_I2C_SPEED == 400000) -#define I2C_ICR_INIT (ICR_FM | ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD \ - | ICR_SCLE) -#else #define I2C_ICR_INIT (ICR_BEIE | ICR_IRFIE | ICR_ITEIE | ICR_GCD | ICR_SCLE) -#endif #define I2C_ISR_INIT 0x7FF /* ----- Control register bits ---------------------------------------- */ @@ -48,7 +43,15 @@ extern void i2c_clk_enable(void); #define ICR_ALDIE 0x1000 /* enable arbitration interrupt */ #define ICR_SADIE 0x2000 /* slave address detected int enable */ #define ICR_UR 0x4000 /* unit reset */ -#define ICR_FM 0x8000 /* Fast Mode */ +#ifdef CONFIG_ARMADA_3700 +#define ICR_SM 0x00000 /* Standard Mode */ +#define ICR_FM 0x10000 /* Fast Mode */ +#define ICR_MODE_MASK 0x30000 /* Mode mask */ +#else +#define ICR_SM 0x00000 /* Standard Mode */ +#define ICR_FM 0x08000 /* Fast Mode */ +#define ICR_MODE_MASK 0x18000 /* Mode mask */ +#endif /* ----- Status register bits ----------------------------------------- */ diff --git a/drivers/i2c/mvtwsi.c b/drivers/i2c/mvtwsi.c index 1e61f8d..60c8ea1 100644 --- a/drivers/i2c/mvtwsi.c +++ b/drivers/i2c/mvtwsi.c @@ -830,6 +830,7 @@ static const struct dm_i2c_ops mvtwsi_i2c_ops = { static const struct udevice_id mvtwsi_i2c_ids[] = { { .compatible = "marvell,mv64xxx-i2c", }, + { .compatible = "marvell,mv78230-i2c", }, { /* sentinel */ } }; |