diff options
Diffstat (limited to 'dts/Bindings/i2c/i2c-gpio.yaml')
| -rw-r--r-- | dts/Bindings/i2c/i2c-gpio.yaml | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/dts/Bindings/i2c/i2c-gpio.yaml b/dts/Bindings/i2c/i2c-gpio.yaml index fd04028456..afd4925c2a 100644 --- a/dts/Bindings/i2c/i2c-gpio.yaml +++ b/dts/Bindings/i2c/i2c-gpio.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/i2c/i2c-gpio.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Bindings for GPIO bitbanged I2C +title: GPIO bitbanged I2C maintainers: - Wolfram Sang <wsa@kernel.org> @@ -33,6 +33,10 @@ properties: open drain. maxItems: 1 + i2c-gpio,sda-output-only: + description: sda as output only + type: boolean + i2c-gpio,scl-output-only: description: scl as output only type: boolean @@ -63,6 +67,28 @@ properties: GPIO line used for SCL into open drain mode, and that something is not the GPIO chip. It is essentially an inconsistency flag. + i2c-gpio,sda-has-no-pullup: + type: boolean + description: sda is used in a non-compliant way and has no pull-up. + Therefore disable open-drain. This property is mutually-exclusive + with i2c-gpio,sda-open-drain. + + i2c-gpio,scl-has-no-pullup: + type: boolean + description: scl is used in a non-compliant way and has no pull-up. + Therefore disable open-drain. This property is mutually-exclusive + with i2c-gpio,scl-open-drain. + +dependencies: + i2c-gpio,sda-has-no-pullup: + not: + required: + - i2c-gpio,sda-open-drain + i2c-gpio,scl-has-no-pullup: + not: + required: + - i2c-gpio,scl-open-drain + required: - compatible - sda-gpios |