Add binding documentation for the GPIO sysctl found in BCM6358 SoCs. Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx> --- v8: add changes suggested by Rob Herring v7: add changes suggested by Rob Herring .../mfd/brcm,bcm6358-gpio-sysctl.yaml | 130 ++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/brcm,bcm6358-gpio-sysctl.yaml diff --git a/Documentation/devicetree/bindings/mfd/brcm,bcm6358-gpio-sysctl.yaml b/Documentation/devicetree/bindings/mfd/brcm,bcm6358-gpio-sysctl.yaml new file mode 100644 index 000000000000..3e44bea78b03 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/brcm,bcm6358-gpio-sysctl.yaml @@ -0,0 +1,130 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/brcm,bcm6358-gpio-sysctl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM6358 GPIO System Controller Device Tree Bindings + +maintainers: + - Álvaro Fernández Rojas <noltari@xxxxxxxxx> + - Jonas Gorski <jonas.gorski@xxxxxxxxx> + +description: + Broadcom BCM6358 SoC GPIO system controller which provides a register map + for controlling the GPIO and pins of the SoC. + +properties: + "#address-cells": true + + "#size-cells": true + + compatible: + items: + - const: brcm,bcm6358-gpio-sysctl + - const: syscon + - const: simple-mfd + + ranges: + maxItems: 1 + + reg: + maxItems: 1 + +patternProperties: + "^gpio@[0-9a-f]+$": + # Child node + type: object + $ref: "../gpio/brcm,bcm6345-gpio.yaml" + description: + GPIO controller for the SoC GPIOs. This child node definition + should follow the bindings specified in + Documentation/devicetree/bindings/gpio/brcm,bcm6345-gpio.yaml. + + "^pinctrl@[0-9a-f]+$": + # Child node + type: object + $ref: "../pinctrl/brcm,bcm6358-pinctrl.yaml" + description: + Pin controller for the SoC pins. This child node definition + should follow the bindings specified in + Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml. + +required: + - "#address-cells" + - compatible + - ranges + - reg + - "#size-cells" + +additionalProperties: false + +examples: + - | + syscon@fffe0080 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "brcm,bcm6358-gpio-sysctl", "syscon", "simple-mfd"; + reg = <0xfffe0080 0x80>; + ranges = <0 0xfffe0080 0x80>; + + gpio@0 { + compatible = "brcm,bcm6358-gpio"; + reg-names = "dirout", "dat"; + reg = <0x0 0x8>, <0x8 0x8>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 40>; + #gpio-cells = <2>; + }; + + pinctrl: pinctrl@18 { + compatible = "brcm,bcm6358-pinctrl"; + reg = <0x18 0x4>; + + pinctrl_ebi_cs: ebi_cs-pins { + function = "ebi_cs"; + groups = "ebi_cs_grp"; + }; + + pinctrl_uart1: uart1-pins { + function = "uart1"; + groups = "uart1_grp"; + }; + + pinctrl_serial_led: serial_led-pins { + function = "serial_led"; + groups = "serial_led_grp"; + }; + + pinctrl_legacy_led: legacy_led-pins { + function = "legacy_led"; + groups = "legacy_led_grp"; + }; + + pinctrl_led: led-pins { + function = "led"; + groups = "led_grp"; + }; + + pinctrl_spi_cs_23: spi_cs-pins { + function = "spi_cs"; + groups = "spi_cs_grp"; + }; + + pinctrl_utopia: utopia-pins { + function = "utopia"; + groups = "utopia_grp"; + }; + + pinctrl_pwm_syn_clk: pwm_syn_clk-pins { + function = "pwm_syn_clk"; + groups = "pwm_syn_clk_grp"; + }; + + pinctrl_sys_irq: sys_irq-pins { + function = "sys_irq"; + groups = "sys_irq_grp"; + }; + }; + }; -- 2.20.1
