[PATCH v3 3/3] pinctrl: bcm2835: Update docs about generic pinctrl bindings support
From: Matheus Castello <matheus@castello.eng.br>
Date: 2018-03-09 04:39:51
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Subsystem:
open firmware and flattened device tree bindings, pin control subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Walleij, Linus Torvalds
Now we have generic pin configuration and multiplexing support, ahd shoud be preferred than brcm legacy one. Signed-off-by: Matheus Castello <matheus@castello.eng.br> --- .../devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt
index 2569866..58b4720 100644
--- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt@@ -36,6 +36,25 @@ listed. In other words, a subnode that lists only a mux function implies no information about any pull configuration. Similarly, a subnode that lists only a pul parameter implies no information about the mux function. +This driver supports the generic pin multiplexing and configuration +bindings. For details on each properties, you can refer to +./pinctrl-bindings.txt. + +Required sub-node properties: + - pins + - function + +Optional sub-node properties: + - bias-disable + - bias-pull-up + - bias-pull-down + - output-high + - output-low + +Legacy pin configuration and multiplexing binding: +*** (Its use is deprecated, use generic multiplexing and configuration +bindings instead) + Required subnode-properties: - brcm,pins: An array of cells. Each cell contains the ID of a pin. Valid IDs are the integer GPIO IDs; 0==GPIO0, 1==GPIO1, ... 53==GPIO53.
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2.7.4