add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

 kernel/Documentation/devicetree/bindings/mfd/stmpe.txt
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@@ -4,15 +4,29 @@
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 keypad, touchscreen, adc, pwm, rotator.
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 Required properties:
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- - compatible                   : "st,stmpe[610|801|811|1600|1601|2401|2403]"
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- - reg                          : I2C/SPI address of the device
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+ - compatible			: "st,stmpe[610|801|811|1600|1601|2401|2403]"
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+ - reg				: I2C/SPI address of the device
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 Optional properties:
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- - interrupts                   : The interrupt outputs from the controller
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- - interrupt-controller         : Marks the device node as an interrupt controller
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- - wakeup-source                : Marks the input device as wakable
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- - st,autosleep-timeout         : Valid entries (ms); 4, 16, 32, 64, 128, 256, 512 and 1024
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- - irq-gpio                     : If present, which GPIO to use for event IRQ
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+ - interrupts			: The interrupt outputs from the controller
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+ - interrupt-controller		: Marks the device node as an interrupt controller
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+ - wakeup-source		: Marks the input device as wakable
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+ - st,autosleep-timeout		: Valid entries (ms); 4, 16, 32, 64, 128, 256, 512 and 1024
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+ - irq-gpio			: If present, which GPIO to use for event IRQ
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+
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+Optional properties for devices with touch and ADC (STMPE811|STMPE610):
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+ - st,sample-time		: ADC conversion time in number of clock.
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+					0 -> 36 clocks		4 -> 80 clocks (recommended)
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+					1 -> 44 clocks		5 -> 96 clocks
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+					2 -> 56 clocks		6 -> 124 clocks
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+					3 -> 64 clocks
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+ - st,mod-12b			: ADC Bit mode
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+					0 -> 10bit ADC		1 -> 12bit ADC
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+ - st,ref-sel			: ADC reference source
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+					0 -> internal		1 -> external
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+ - st,adc-freq			: ADC Clock speed
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+					0 -> 1.625 MHz		2 || 3 -> 6.5 MHz
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+					1 -> 3.25 MHz
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 Example:
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