diff options
Diffstat (limited to 'drivers/misc/cros_ec_lpc.c')
| -rw-r--r-- | drivers/misc/cros_ec_lpc.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/misc/cros_ec_lpc.c b/drivers/misc/cros_ec_lpc.c index 07624a136fa..78378410f44 100644 --- a/drivers/misc/cros_ec_lpc.c +++ b/drivers/misc/cros_ec_lpc.c @@ -14,6 +14,7 @@ */ #include <common.h> +#include <dm.h> #include <command.h> #include <cros_ec.h> #include <asm/io.h> @@ -40,10 +41,11 @@ static int wait_for_sync(struct cros_ec_dev *dev) return 0; } -int cros_ec_lpc_command(struct cros_ec_dev *dev, uint8_t cmd, int cmd_version, +int cros_ec_lpc_command(struct udevice *udev, uint8_t cmd, int cmd_version, const uint8_t *dout, int dout_len, uint8_t **dinp, int din_len) { + struct cros_ec_dev *dev = dev_get_uclass_priv(udev); const int cmd_addr = EC_LPC_ADDR_HOST_CMD; const int data_addr = EC_LPC_ADDR_HOST_DATA; const int args_addr = EC_LPC_ADDR_HOST_ARGS; @@ -178,7 +180,7 @@ int cros_ec_lpc_init(struct cros_ec_dev *dev, const void *blob) * seeing whether the EC sets the EC_HOST_ARGS_FLAG_FROM_HOST flag * in args when it responds. */ -int cros_ec_lpc_check_version(struct cros_ec_dev *dev) +static int cros_ec_lpc_check_version(struct udevice *dev) { if (inb(EC_LPC_ADDR_MEMMAP + EC_MEMMAP_ID) == 'E' && inb(EC_LPC_ADDR_MEMMAP + EC_MEMMAP_ID + 1) @@ -192,3 +194,26 @@ int cros_ec_lpc_check_version(struct cros_ec_dev *dev) printf("%s: ERROR: old EC interface not supported\n", __func__); return -1; } + +static int cros_ec_probe(struct udevice *dev) +{ + return cros_ec_register(dev); +} + +static struct dm_cros_ec_ops cros_ec_ops = { + .command = cros_ec_lpc_command, + .check_version = cros_ec_lpc_check_version, +}; + +static const struct udevice_id cros_ec_ids[] = { + { .compatible = "google,cros-ec-lpc" }, + { } +}; + +U_BOOT_DRIVER(cros_ec_lpc) = { + .name = "cros_ec_lpc", + .id = UCLASS_CROS_EC, + .of_match = cros_ec_ids, + .probe = cros_ec_probe, + .ops = &cros_ec_ops, +}; |