修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/devicetree/bindings/pwm/brcm,iproc-pwm.txt
..
..
@@ -6,7 +6,7 @@
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 - compatible: must be "brcm,iproc-pwm"
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 - reg: physical base address and length of the controller's registers
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 - clocks: phandle + clock specifier pair for the external clock
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-- #pwm-cells: Should be 3. See pwm.txt in this directory for a
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+- #pwm-cells: Should be 3. See pwm.yaml in this directory for a
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   description of the cells format.
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 Refer to clocks/clock-bindings.txt for generic clock consumer properties.