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| author | Tom Rini <trini@konsulko.com> | 2020-09-25 09:04:01 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-09-25 09:04:01 -0400 |
| commit | 0ac83d080a0044cd0d8f782ba12f02cf969d3004 (patch) | |
| tree | ca5c2351113ba9b56d59e241a8857c7e6e8f5604 /include/i2c.h | |
| parent | 67ece26d8b5d4bfa4fda8c456261c465d0815d7d (diff) | |
| parent | 8c180d669a0f4a8eb70bde8c74c73cef45993f67 (diff) | |
Merge branch 'next' of https://gitlab.denx.de/u-boot/custodians/u-boot-x86 into next
- Enhance the 'zboot' command to be more like 'bootm' with sub-commands
- The last series of ACPI core changes for programmatic generation of
ACPI tables
- Add all required ACPI tables for ApolloLake and enable ACPIGEN on
Chromebook Coral
- A feature minor enhancements to the 'hob' command
- Intel edison: Support for writing an xFSTK image via binman
Diffstat (limited to 'include/i2c.h')
| -rw-r--r-- | include/i2c.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/i2c.h b/include/i2c.h index 1d792db454a..880aa8032b7 100644 --- a/include/i2c.h +++ b/include/i2c.h @@ -58,6 +58,12 @@ enum i2c_address_mode { I2C_MODE_10_BIT }; +/** enum i2c_device_t - Types of I2C devices, used for compatible strings */ +enum i2c_device_t { + I2C_DEVICE_GENERIC, + I2C_DEVICE_HID_OVER_I2C, +}; + struct udevice; /** * struct dm_i2c_chip - information about an i2c chip @@ -558,6 +564,23 @@ int i2c_emul_find(struct udevice *dev, struct udevice **emulp); */ struct udevice *i2c_emul_get_device(struct udevice *emul); +/* ACPI operations for generic I2C devices */ +extern struct acpi_ops i2c_acpi_ops; + +/** + * acpi_i2c_ofdata_to_platdata() - Read properties intended for ACPI + * + * This reads the generic I2C properties from the device tree, so that these + * can be used to create ACPI information for the device. + * + * See the i2c/generic-acpi.txt binding file for information about the + * properties. + * + * @dev: I2C device to process + * @return 0 if OK, -EINVAL if acpi,hid is not present + */ +int acpi_i2c_ofdata_to_platdata(struct udevice *dev); + #ifndef CONFIG_DM_I2C /* |