From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/gpio/gpio-74xx-mmio.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt (limited to 'Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt') diff --git a/Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt b/Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt new file mode 100644 index 000000000..7bb1a9d60 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-74xx-mmio.txt @@ -0,0 +1,30 @@ +* 74XX MMIO GPIO driver + +Required properties: +- compatible: Should contain one of the following: + "ti,741g125": for 741G125 (1-bit Input), + "ti,741g174": for 741G74 (1-bit Output), + "ti,742g125": for 742G125 (2-bit Input), + "ti,7474" : for 7474 (2-bit Output), + "ti,74125" : for 74125 (4-bit Input), + "ti,74175" : for 74175 (4-bit Output), + "ti,74365" : for 74365 (6-bit Input), + "ti,74174" : for 74174 (6-bit Output), + "ti,74244" : for 74244 (8-bit Input), + "ti,74273" : for 74273 (8-bit Output), + "ti,741624" : for 741624 (16-bit Input), + "ti,7416374": for 7416374 (16-bit Output). +- reg: Physical base address and length where IC resides. +- gpio-controller: Marks the device node as a gpio controller. +- #gpio-cells: Should be two. The first cell is the pin number and + the second cell is used to specify the GPIO polarity: + 0 = Active High, + 1 = Active Low. + +Example: + ctrl: gpio@30008004 { + compatible = "ti,74174"; + reg = <0x30008004 0x1>; + gpio-controller; + #gpio-cells = <2>; + }; -- cgit v1.2.3