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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/gpio/gpio-mxs.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-mxs.yaml | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-mxs.yaml b/Documentation/devicetree/bindings/gpio/gpio-mxs.yaml new file mode 100644 index 000000000..dfa1133f8 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-mxs.yaml @@ -0,0 +1,136 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/gpio-mxs.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale MXS GPIO controller + +maintainers: + - Shawn Guo <shawnguo@kernel.org> + - Anson Huang <Anson.Huang@nxp.com> + +description: | + The Freescale MXS GPIO controller is part of MXS PIN controller. + The GPIOs are organized in port/bank, each port consists of 32 GPIOs. + As the GPIO controller is embedded in the PIN controller and all the + GPIO ports share the same IO space with PIN controller, the GPIO node + will be represented as sub-nodes of MXS pinctrl node. + +properties: + compatible: + enum: + - fsl,imx23-pinctrl + - fsl,imx28-pinctrl + + '#address-cells': + const: 1 + '#size-cells': + const: 0 + + reg: + maxItems: 1 + +patternProperties: + "gpio@[0-9]+$": + type: object + properties: + compatible: + enum: + - fsl,imx23-gpio + - fsl,imx28-gpio + + reg: + maxItems: 1 + + interrupts: + description: Should be the port interrupt shared by all 32 pins. + maxItems: 1 + + interrupt-controller: true + + "#interrupt-cells": + const: 2 + + "#gpio-cells": + const: 2 + + gpio-controller: true + + required: + - compatible + - reg + - interrupts + - interrupt-controller + - "#interrupt-cells" + - "#gpio-cells" + - gpio-controller + + additionalProperties: false + +required: + - compatible + - reg + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + pinctrl@80018000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx28-pinctrl"; + reg = <0x80018000 0x2000>; + + gpio@0 { + compatible = "fsl,imx28-gpio"; + reg = <0>; + interrupts = <127>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio@1 { + compatible = "fsl,imx28-gpio"; + reg = <1>; + interrupts = <126>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio@2 { + compatible = "fsl,imx28-gpio"; + reg = <2>; + interrupts = <125>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio@3 { + compatible = "fsl,imx28-gpio"; + reg = <3>; + interrupts = <124>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio@4 { + compatible = "fsl,imx28-gpio"; + reg = <4>; + interrupts = <123>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + }; |