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1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause3 ---4 $id: http://devicetree.org/schemas/i2c/i2c-arb-gpio-challenge.yaml#5 $schema: http://devicetree.org/meta-schemas/core.yaml#7 title: GPIO-based I2C Arbitration Using a Challenge & Response Mechanism10 - Doug Anderson <dianders@chromium.org>11 - Peter Rosin <peda@axentia.se>17 In many cases using GPIOs to arbitrate is not needed and a design can use the18 standard I2C multi-master rules. Using GPIOs is generally useful in the case29 All masters on the bus have a 'bus claim' line which is an output that the[all …]