Add dt-schema type bindings for the Mobileye EyeQ5 pin controller. Signed-off-by: Théo Lebrun <theo.lebrun@xxxxxxxxxxx> --- .../bindings/pinctrl/mobileye,eyeq5-pinctrl.yaml | 125 +++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 126 insertions(+) diff --git a/Documentation/devicetree/bindings/pinctrl/mobileye,eyeq5-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mobileye,eyeq5-pinctrl.yaml new file mode 100644 index 000000000000..5faddebe2413 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/mobileye,eyeq5-pinctrl.yaml @@ -0,0 +1,125 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/mobileye,eyeq5-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mobileye EyeQ5 pinctrl (pinmux & pinconf) controller + +description: + The EyeQ5 pin controller handles a pin bank. It is custom to this platform, + its registers live in a shared region called OLB. + There are two pin banks on the platform, each having a specific compatible. + Pins and groups are bijective. + +maintainers: + - Grégory Clement <gregory.clement@xxxxxxxxxxx> + - Théo Lebrun <theo.lebrun@xxxxxxxxxxx> + - Vladimir Kondratiev <vladimir.kondratiev@xxxxxxxxxxxx> + +properties: + $nodename: + pattern: "^pinctrl([0-9]+)?$" + description: + We have no unique address, we rely on OLB; we therefore can't keep the + standard pattern and cannot inherit from pinctrl.yaml. + + compatible: + enum: + - mobileye,eyeq5-a-pinctrl + - mobileye,eyeq5-b-pinctrl + + "#pinctrl-cells": + const: 1 + + mobileye,olb: + $ref: /schemas/types.yaml#/definitions/phandle + description: + A phandle to the OLB syscon. This is a fallback to using the parent as + syscon node. + +required: + - compatible + - "#pinctrl-cells" + +patternProperties: + "-pins?$": + type: object + description: Pin muxing configuration. + $ref: pinmux-node.yaml# + additionalProperties: false + properties: + pins: true + function: true + bias-disable: true + bias-pull-down: true + bias-pull-up: true + drive-strength: true + required: + - pins + - function + +allOf: + - if: + properties: + compatible: + contains: + const: mobileye,eyeq5-a-pinctrl + then: + patternProperties: + "-pins?$": + properties: + function: + enum: [gpio, timer0, timer1, timer2, timer5, uart0, uart1, can0, + can1, spi0, spi1, refclk0] + - if: + properties: + compatible: + contains: + const: mobileye,eyeq5-b-pinctrl + then: + patternProperties: + "-pins?$": + properties: + function: + enum: [gpio, timer3, timer4, timer6, uart2, can2, spi2, spi3, + mclk0] + +additionalProperties: false + +examples: + - | + olb@e00000 { + compatible = "mobileye,eyeq5-olb", "syscon", "simple-mfd"; + reg = <0xe00000 0x400>; + reg-io-width = <4>; + + pinctrl0 { + compatible = "mobileye,eyeq5-a-pinctrl"; + #pinctrl-cells = <1>; + }; + + pinctrl1 { + compatible = "mobileye,eyeq5-b-pinctrl"; + #pinctrl-cells = <1>; + }; + }; + - | + olb: olb@e00000 { + compatible = "mobileye,eyeq5-olb", "syscon", "simple-mfd"; + reg = <0xe00000 0x400>; + reg-io-width = <4>; + }; + + pinctrl0 { + compatible = "mobileye,eyeq5-a-pinctrl"; + #pinctrl-cells = <1>; + mobileye,olb = <&olb>; + }; + + pinctrl1 { + compatible = "mobileye,eyeq5-b-pinctrl"; + #pinctrl-cells = <1>; + mobileye,olb = <&olb>; + }; + diff --git a/MAINTAINERS b/MAINTAINERS index 138e0303c5da..d8d9583a5a06 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14553,6 +14553,7 @@ M: Théo Lebrun <theo.lebrun@xxxxxxxxxxx> L: linux-mips@xxxxxxxxxxxxxxx S: Maintained F: Documentation/devicetree/bindings/mips/mobileye.yaml +F: Documentation/devicetree/bindings/pinctrl/mobileye,eyeq5-pinctrl.yaml F: Documentation/devicetree/bindings/reset/mobileye,eyeq5-reset.yaml F: arch/mips/boot/dts/mobileye/ F: arch/mips/configs/generic/board-eyeq5.config -- 2.43.0
