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Diffstat (limited to 'util/pinmap/README.md')
| -rw-r--r-- | util/pinmap/README.md | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/util/pinmap/README.md b/util/pinmap/README.md index 0246ed47cd..7ac924e09a 100644 --- a/util/pinmap/README.md +++ b/util/pinmap/README.md @@ -5,13 +5,13 @@ This program reads a CSV (comma separated values) file and generates Zephyr Device Tree entries for GPIOs and other configuration. -A basic Device Tree configuration is generated for I2C buses, ADC pins, GPIO pins -and PWM pins, with labels and nodes generated for each of the signals in the +A basic Device Tree configuration is generated for I2C buses, ADC pins and GPIO +pins with labels and nodes generated for each of the signals in the spreadsheet. -A separate overlay Device Tree file can be used to modify the generated DTS -to allow specific properties and parameters to be set e.g bus speeds for I2C, conversion parameters -for ADCs, frequencies for PWM etc. +A separate overlay Device Tree file can be used to modify the generated DTS to +allow specific properties and parameters to be set e.g bus speeds for I2C, +conversion parameters for ADCs etc. ## Building @@ -70,8 +70,6 @@ generate the GPIO or other configuration flags in the DTS. | Type Name | Description | | ----------- | ----------- | | `ADC` | An analogue to digital converter signal | -| `PWM` | A pulse width modulator signal | -| `PWM_INVERT` | A pulse width modulator signal with inverted output | | `I2C_CLOCK` | The clock signal for an I2C bus | | `I2C_DATA` | The data signal for an I2C bus (ignored) | | `INPUT` | A GPIO input signal | |