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| author | Tom Rini <trini@konsulko.com> | 2020-07-17 08:04:48 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-07-17 08:04:48 -0400 |
| commit | 7c3cc6f106ed1ca13b0ff6eea9f8e1473240aef3 (patch) | |
| tree | 8c67a8ed3ab24b1421161960103d8614cbde659a /drivers/i2c/designware_i2c.h | |
| parent | 42e7659db0ac7089d3a2f80ee1c3b8eb64d84706 (diff) | |
| parent | d40d2c570600396b54dece16429727ef50cfeef0 (diff) | |
Merge https://gitlab.denx.de/u-boot/custodians/u-boot-x86
- New timer API to allow delays with a 32-bit microsecond timer
- Add dynamic ACPI structs (DSDT/SSDT) generations to the DM core
- x86: Enable ACPI table generation by default
- x86: Enable the copy framebuffer on Coral
- x86: A few fixes to FSP2 with ApolloLake
- x86: Drop setup_pcat_compatibility()
- x86: Primary-to-Sideband Bus minor fixes
Diffstat (limited to 'drivers/i2c/designware_i2c.h')
| -rw-r--r-- | drivers/i2c/designware_i2c.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/i2c/designware_i2c.h b/drivers/i2c/designware_i2c.h index dc9a6ccb63..18acf4e841 100644 --- a/drivers/i2c/designware_i2c.h +++ b/drivers/i2c/designware_i2c.h @@ -205,6 +205,7 @@ struct dw_i2c { #if CONFIG_IS_ENABLED(CLK) struct clk clk; #endif + struct dw_i2c_speed_config config; }; extern const struct dm_i2c_ops designware_i2c_ops; @@ -213,4 +214,18 @@ int designware_i2c_probe(struct udevice *bus); int designware_i2c_remove(struct udevice *dev); int designware_i2c_ofdata_to_platdata(struct udevice *bus); +/** + * dw_i2c_gen_speed_config() - Calculate config info from requested speed + * + * Calculate the speed config from the given @speed_hz and return it so that + * it can be incorporated in ACPI tables + * + * @dev: I2C bus to check + * @speed_hz: Requested speed in Hz + * @config: Returns config to use for that speed + * @return 0 if OK, -ve on error + */ +int dw_i2c_gen_speed_config(const struct udevice *dev, int speed_hz, + struct dw_i2c_speed_config *config); + #endif /* __DW_I2C_H_ */ |