修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt
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@@ -94,16 +94,23 @@
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 specified in the pinctrl-bindings.txt document in this directory.
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 The pin configuration nodes for pinctrl-single are specified as pinctrl
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-register offset and value pairs using pinctrl-single,pins. Only the bits
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-specified in pinctrl-single,function-mask are updated. For example, setting
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-a pin for a device could be done with:
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+register offset and values using pinctrl-single,pins. Only the bits specified
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+in pinctrl-single,function-mask are updated.
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+
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+When #pinctrl-cells = 1, then setting a pin for a device could be done with:
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 	pinctrl-single,pins = <0xdc 0x118>;
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-Where 0xdc is the offset from the pinctrl register base address for the
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-device pinctrl register, and 0x118 contains the desired value of the
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-pinctrl register. See the device example and static board pins example
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-below for more information.
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+Where 0xdc is the offset from the pinctrl register base address for the device
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+pinctrl register, and 0x118 contains the desired value of the pinctrl register.
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+
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+When #pinctrl-cells = 2, then setting a pin for a device could be done with:
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+
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+	pinctrl-single,pins = <0xdc 0x30 0x07>;
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+
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+Where 0x30 is the pin configuration value and 0x07 is the pin mux mode value.
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+These two values are OR'd together to produce the value stored at offset 0xdc.
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+See the device example and static board pins example below for more information.
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 In case when one register changes more than one pin's mux the
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 pinctrl-single,bits need to be used which takes three parameters: