From e61941d1e972a486660a435cc34f5724c0271a90 Mon Sep 17 00:00:00 2001 From: Matheus Castello Date: Wed, 11 Apr 2018 00:58:44 -0400 Subject: dt-bindings: pinctrl: bcm2835-gpio: Add generic pinctrl support Added generic pin configuration and multiplexing support, and should be preferred than brcm legacy one. Signed-off-by: Matheus Castello Reviewed-by: Eric Anholt Reviewed-by: Rob Herring Signed-off-by: Linus Walleij --- .../devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt b/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt index 2569866c692f..3fac0a061bcc 100644 --- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm2835-gpio.txt @@ -36,6 +36,24 @@ 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. +The BCM2835 pin configuration and multiplexing supports the generic 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. -- cgit v1.2.3