diff options
Diffstat (limited to 'drivers/i2c/i2c-emul-uclass.c')
-rw-r--r-- | drivers/i2c/i2c-emul-uclass.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/i2c/i2c-emul-uclass.c b/drivers/i2c/i2c-emul-uclass.c index 085b824e89..7917b63c55 100644 --- a/drivers/i2c/i2c-emul-uclass.c +++ b/drivers/i2c/i2c-emul-uclass.c @@ -7,6 +7,7 @@ #include <dm.h> #include <i2c.h> #include <log.h> +#include <asm/i2c.h> #include <dm/device-internal.h> #include <dm/uclass-internal.h> @@ -23,18 +24,6 @@ * uclass so avoid having strange devices on the I2C bus. */ -/** - * struct i2c_emul_uc_plat - information about the emulator for this device - * - * This is used by devices in UCLASS_I2C_EMUL to record information about the - * device being emulated. It is accessible with dev_get_uclass_plat() - * - * @dev: Device being emulated - */ -struct i2c_emul_uc_plat { - struct udevice *dev; -}; - struct udevice *i2c_emul_get_device(struct udevice *emul) { struct i2c_emul_uc_plat *uc_plat = dev_get_uclass_plat(emul); @@ -42,14 +31,27 @@ struct udevice *i2c_emul_get_device(struct udevice *emul) return uc_plat->dev; } +void i2c_emul_set_idx(struct udevice *dev, int emul_idx) +{ + struct dm_i2c_chip *plat = dev_get_parent_plat(dev); + + plat->emul_idx = emul_idx; +} + int i2c_emul_find(struct udevice *dev, struct udevice **emulp) { struct i2c_emul_uc_plat *uc_plat; struct udevice *emul; int ret; - ret = uclass_find_device_by_phandle(UCLASS_I2C_EMUL, dev, - "sandbox,emul", &emul); + if (!CONFIG_IS_ENABLED(OF_PLATDATA)) { + ret = uclass_find_device_by_phandle(UCLASS_I2C_EMUL, dev, + "sandbox,emul", &emul); + } else { + struct dm_i2c_chip *plat = dev_get_parent_plat(dev); + + ret = device_get_by_ofplat_idx(plat->emul_idx, &emul); + } if (ret) { log_err("No emulators for device '%s'\n", dev->name); return ret; @@ -85,8 +87,8 @@ static const struct udevice_id i2c_emul_parent_ids[] = { { } }; -U_BOOT_DRIVER(i2c_emul_parent_drv) = { - .name = "i2c_emul_parent_drv", +U_BOOT_DRIVER(sandbox_i2c_emul_parent) = { + .name = "sandbox_i2c_emul_parent", .id = UCLASS_I2C_EMUL_PARENT, .of_match = i2c_emul_parent_ids, }; |