add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
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@@ -1,12 +1,19 @@
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 Samsung tm2-touchkey
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 Required properties:
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-- compatible: must be "cypress,tm2-touchkey"
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+- compatible:
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+    * "cypress,tm2-touchkey" - for the touchkey found on the tm2 board
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+    * "cypress,midas-touchkey" - for the touchkey found on midas boards
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+    * "cypress,aries-touchkey" - for the touchkey found on aries boards
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+    * "coreriver,tc360-touchkey" - for the Coreriver TouchCore 360 touchkey
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 - reg: I2C address of the chip.
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 - interrupts: interrupt to which the chip is connected (see interrupt
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 	binding[0]).
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 - vcc-supply : internal regulator output. 1.8V
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 - vdd-supply : power supply for IC 3.3V
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+
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+Optional properties:
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+- linux,keycodes: array of keycodes (max 4), default KEY_PHONE and KEY_BACK
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 [0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
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..
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@@ -21,5 +28,6 @@
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 			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
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 			vcc-supply=<&ldo32_reg>;
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 			vdd-supply=<&ldo33_reg>;
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+			linux,keycodes = <KEY_PHONE KEY_BACK>;
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 		};
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 	};