diff options
| -rw-r--r-- | common/cmd_i2c.c | 63 |
1 files changed, 55 insertions, 8 deletions
diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c index ad38cbf..1bc0db8 100644 --- a/common/cmd_i2c.c +++ b/common/cmd_i2c.c @@ -1623,6 +1623,27 @@ int do_edid(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) } #endif /* CONFIG_I2C_EDID */ +#ifdef CONFIG_DM_I2C +static void show_bus(struct udevice *bus) +{ + struct udevice *dev; + + printf("Bus %d:\t%s", bus->req_seq, bus->name); + if (device_active(bus)) + printf(" (active %d)", bus->seq); + printf("\n"); + for (device_find_first_child(bus, &dev); + dev; + device_find_next_child(&dev)) { + struct dm_i2c_chip *chip = dev_get_parent_platdata(dev); + + printf(" %02x: %s, offset len %x, flags %x\n", + chip->chip_addr, dev->name, chip->offset_len, + chip->flags); + } +} +#endif + /** * do_i2c_show_bus() - Handle the "i2c bus" command-line command * @cmdtp: Command data struct pointer @@ -1632,20 +1653,30 @@ int do_edid(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) * * Returns zero always. */ -#if defined(CONFIG_SYS_I2C) +#if defined(CONFIG_SYS_I2C) || defined(CONFIG_DM_I2C) static int do_i2c_show_bus(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - int i; -#ifndef CONFIG_SYS_I2C_DIRECT_BUS - int j; -#endif - if (argc == 1) { /* show all busses */ +#ifdef CONFIG_DM_I2C + struct udevice *bus; + struct uclass *uc; + int ret; + + ret = uclass_get(UCLASS_I2C, &uc); + if (ret) + return CMD_RET_FAILURE; + uclass_foreach_dev(bus, uc) + show_bus(bus); +#else + int i; + for (i = 0; i < CONFIG_SYS_NUM_I2C_BUSES; i++) { printf("Bus %d:\t%s", i, I2C_ADAP_NR(i)->name); #ifndef CONFIG_SYS_I2C_DIRECT_BUS + int j; + for (j = 0; j < CONFIG_SYS_I2C_MAX_HOPS; j++) { if (i2c_bus[i].next_hop[j].chip == 0) break; @@ -1657,15 +1688,30 @@ static int do_i2c_show_bus(cmd_tbl_t *cmdtp, int flag, int argc, #endif printf("\n"); } +#endif } else { + int i; + /* show specific bus */ i = simple_strtoul(argv[1], NULL, 10); +#ifdef CONFIG_DM_I2C + struct udevice *bus; + int ret; + + ret = uclass_get_device_by_seq(UCLASS_I2C, i, &bus); + if (ret) { + printf("Invalid bus %d: err=%d\n", i, ret); + return CMD_RET_FAILURE; + } + show_bus(bus); +#else if (i >= CONFIG_SYS_NUM_I2C_BUSES) { printf("Invalid bus %d\n", i); return -1; } printf("Bus %d:\t%s", i, I2C_ADAP_NR(i)->name); #ifndef CONFIG_SYS_I2C_DIRECT_BUS + int j; for (j = 0; j < CONFIG_SYS_I2C_MAX_HOPS; j++) { if (i2c_bus[i].next_hop[j].chip == 0) break; @@ -1676,6 +1722,7 @@ static int do_i2c_show_bus(cmd_tbl_t *cmdtp, int flag, int argc, } #endif printf("\n"); +#endif } return 0; @@ -1835,7 +1882,7 @@ static int do_i2c_reset(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv } static cmd_tbl_t cmd_i2c_sub[] = { -#if defined(CONFIG_SYS_I2C) +#if defined(CONFIG_SYS_I2C) || defined(CONFIG_DM_I2C) U_BOOT_CMD_MKENT(bus, 1, 1, do_i2c_show_bus, "", ""), #endif U_BOOT_CMD_MKENT(crc32, 3, 1, do_i2c_crc, "", ""), @@ -1902,7 +1949,7 @@ static int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) /***************************************************/ #ifdef CONFIG_SYS_LONGHELP static char i2c_help_text[] = -#if defined(CONFIG_SYS_I2C) +#if defined(CONFIG_SYS_I2C) || defined(CONFIG_DM_I2C) "bus [muxtype:muxaddr:muxchannel] - show I2C bus info\n" #endif "crc32 chip address[.0, .1, .2] count - compute CRC32 checksum\n" |