documentation: Extend pinctrl docs for Meson8b
Add the compatible string for Meson8b in Meson pinctrl documentation and add new information for Meson8b in source code comments. Signed-off-by: Carlo Caione <carlo@endlessm.com> Acked-by: Beniamino Galvani <b.galvani@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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== Amlogic Meson pinmux controller ==
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== Amlogic Meson pinmux controller ==
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Required properties for the root node:
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Required properties for the root node:
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- compatible: "amlogic,meson8-pinctrl"
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- compatible: "amlogic,meson8-pinctrl" or "amlogic,meson8b-pinctrl"
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- reg: address and size of registers controlling irq functionality
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- reg: address and size of registers controlling irq functionality
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=== GPIO sub-nodes ===
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=== GPIO sub-nodes ===
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/*
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/*
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* The available pins are organized in banks (A,B,C,D,E,X,Y,Z,AO,
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* The available pins are organized in banks (A,B,C,D,E,X,Y,Z,AO,
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* BOOT,CARD for meson6 and X,Y,DV,H,Z,AO,BOOT,CARD for meson8) and
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* BOOT,CARD for meson6, X,Y,DV,H,Z,AO,BOOT,CARD for meson8 and
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* each bank has a variable number of pins.
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* X,Y,DV,H,AO,BOOT,CARD,DIF for meson8b) and each bank has a
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* variable number of pins.
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*
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*
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* The AO bank is special because it belongs to the Always-On power
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* The AO bank is special because it belongs to the Always-On power
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* domain which can't be powered off; the bank also uses a set of
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* domain which can't be powered off; the bank also uses a set of
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