rk3568 rt uboot init

hc

2023-11-06 9df731a176aab8e03b984b681b1bea01ccff6644

 u-boot/include/key.h
..
..
@@ -33,9 +33,10 @@
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 	/* ADC key */
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 	u8 channel;
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-	u32 adcval;
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-	u32 min;
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-	u32 max;
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+	int in_volt;
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+	int center;
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+	int min;
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+	int max;
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 	/* GPIO key */
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 	u32 irq;