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AKASHI Takahiro did some of that work earlier, but we decided to make this a part of the pinctrl driver instead of a separate GPIO driver. I'm not really sure how the device tree stuff wires it all in. I've been using a mock driver on SCP with virtio to test it. Dan Carpenter (7): firmware: arm_scmi: move boiler plate code into the get info functions firmware: arm_scmi: add is_gpio() function pinctrl: introduce pinctrl_gpio_get_config() pinctrl-scmi: implement PIN_CONFIG_INPUT_VALUE pinctrl: Delete PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS support pinctrl-scmi: Add GPIO support pinctrl-scmi: remove unused struct member drivers/firmware/arm_scmi/pinctrl.c | 146 +++++++++------- drivers/pinctrl/core.c | 35 ++++ drivers/pinctrl/pinctrl-scmi.c | 213 +++++++++++++++++++++++- include/linux/pinctrl/consumer.h | 9 + include/linux/pinctrl/pinconf-generic.h | 3 + include/linux/scmi_protocol.h | 2 + 6 files changed, 339 insertions(+), 69 deletions(-) -- 2.47.2