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dt-bindings: add BCM6358 GPIO sysctl binding documentation
Add binding documentation for the GPIO sysctl found in BCM6358 SoCs.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210324081923.20379-10-noltari@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
authored by
Álvaro Fernández Rojas
and committed by
Linus Walleij
cfb1b98b
6d591614
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Documentation/devicetree/bindings/mfd/brcm,bcm6358-gpio-sysctl.yaml
+130
Documentation/devicetree/bindings/mfd/brcm,bcm6358-gpio-sysctl.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mfd/brcm,bcm6358-gpio-sysctl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom BCM6358 GPIO System Controller Device Tree Bindings
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maintainers:
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- Álvaro Fernández Rojas <noltari@gmail.com>
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- Jonas Gorski <jonas.gorski@gmail.com>
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description:
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Broadcom BCM6358 SoC GPIO system controller which provides a register map
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for controlling the GPIO and pins of the SoC.
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properties:
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"#address-cells": true
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"#size-cells": true
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compatible:
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items:
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- const: brcm,bcm6358-gpio-sysctl
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- const: syscon
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- const: simple-mfd
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ranges:
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maxItems: 1
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reg:
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maxItems: 1
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patternProperties:
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"^gpio@[0-9a-f]+$":
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# Child node
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type: object
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$ref: "../gpio/brcm,bcm6345-gpio.yaml"
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description:
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GPIO controller for the SoC GPIOs. This child node definition
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should follow the bindings specified in
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Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml.
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"^pinctrl@[0-9a-f]+$":
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# Child node
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type: object
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$ref: "../pinctrl/brcm,bcm6358-pinctrl.yaml"
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description:
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Pin controller for the SoC pins. This child node definition
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should follow the bindings specified in
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Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml.
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required:
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- "#address-cells"
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- compatible
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- ranges
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- reg
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- "#size-cells"
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additionalProperties: false
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examples:
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- |
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syscon@fffe0080 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "brcm,bcm6358-gpio-sysctl", "syscon", "simple-mfd";
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reg = <0xfffe0080 0x80>;
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ranges = <0 0xfffe0080 0x80>;
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gpio@0 {
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compatible = "brcm,bcm6358-gpio";
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reg-names = "dirout", "dat";
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reg = <0x0 0x8>, <0x8 0x8>;
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gpio-controller;
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gpio-ranges = <&pinctrl 0 0 40>;
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#gpio-cells = <2>;
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};
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pinctrl: pinctrl@18 {
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compatible = "brcm,bcm6358-pinctrl";
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reg = <0x18 0x4>;
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pinctrl_ebi_cs: ebi_cs-pins {
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function = "ebi_cs";
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groups = "ebi_cs_grp";
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};
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pinctrl_uart1: uart1-pins {
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function = "uart1";
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groups = "uart1_grp";
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};
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pinctrl_serial_led: serial_led-pins {
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function = "serial_led";
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groups = "serial_led_grp";
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};
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pinctrl_legacy_led: legacy_led-pins {
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function = "legacy_led";
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groups = "legacy_led_grp";
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};
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pinctrl_led: led-pins {
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function = "led";
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groups = "led_grp";
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};
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pinctrl_spi_cs_23: spi_cs-pins {
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function = "spi_cs";
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groups = "spi_cs_grp";
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};
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pinctrl_utopia: utopia-pins {
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function = "utopia";
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groups = "utopia_grp";
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};
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pinctrl_pwm_syn_clk: pwm_syn_clk-pins {
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function = "pwm_syn_clk";
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groups = "pwm_syn_clk_grp";
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};
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pinctrl_sys_irq: sys_irq-pins {
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function = "sys_irq";
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groups = "sys_irq_grp";
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};
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};
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};