Add binding documentation for the pincontrol core found in BCM6358 SoCs. Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx> Signed-off-by: Jonas Gorski <jonas.gorski@xxxxxxxxx> --- .../pinctrl/brcm,bcm6358-pinctrl.yaml | 131 ++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml new file mode 100644 index 000000000000..d86608173498 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.yaml @@ -0,0 +1,131 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/brcm,bcm6358-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM6358 pin controller + +maintainers: + - Álvaro Fernández Rojas <noltari@xxxxxxxxx> + - Jonas Gorski <jonas.gorski@xxxxxxxxx> + +description: |+ + The pin controller node should be the child of a syscon node. + + Refer to the bindings described in + Documentation/devicetree/bindings/mfd/syscon.yaml + +properties: + compatible: + const: brcm,bcm6358-pinctrl + + gpio-controller: true + + '#gpio-cells': + description: + Specifies the pin number and flags, as defined in + include/dt-bindings/gpio/gpio.h + const: 2 + + interrupts-extended: + description: + One interrupt per each of the 4 GPIO ports supported by the controller, + sorted by port number ascending order. + minItems: 6 + maxItems: 6 + +patternProperties: + '^.*$': + if: + type: object + then: + properties: + function: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ ebi_cs, uart1, serial_led, legacy_led, led, spi_cs, utopia, + pwm_syn_clk, sys_irq ] + + pins: + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ ebi_cs_grp, uart1_grp, serial_led_grp, legacy_led_grp, + led_grp, spi_cs_grp, utopia_grp, pwm_syn_clk, sys_irq_grp ] + +required: + - compatible + - gpio-controller + - '#gpio-cells' + +additionalProperties: false + +examples: + - | + gpio@fffe0080 { + compatible = "syscon", "simple-mfd"; + reg = <0xfffe0080 0x80>; + + pinctrl: pinctrl { + compatible = "brcm,bcm6358-pinctrl"; + + gpio-controller; + #gpio-cells = <2>; + + interrupts-extended = <&ext_intc1 0 0>, + <&ext_intc1 1 0>, + <&ext_intc0 0 0>, + <&ext_intc0 1 0>, + <&ext_intc0 2 0>, + <&ext_intc0 3 0>; + interrupt-names = "gpio32", + "gpio33", + "gpio34", + "gpio35", + "gpio36", + "gpio37"; + + pinctrl_ebi_cs: ebi_cs { + function = "ebi_cs"; + groups = "ebi_cs_grp"; + }; + + pinctrl_uart1: uart1 { + function = "uart1"; + groups = "uart1_grp"; + }; + + pinctrl_serial_led: serial_led { + function = "serial_led"; + groups = "serial_led_grp"; + }; + + pinctrl_legacy_led: legacy_led { + function = "legacy_led"; + groups = "legacy_led_grp"; + }; + + pinctrl_led: led { + function = "led"; + groups = "led_grp"; + }; + + pinctrl_spi_cs_23: spi_cs { + function = "spi_cs"; + groups = "spi_cs_grp"; + }; + + pinctrl_utopia: utopia { + function = "utopia"; + groups = "utopia_grp"; + }; + + pinctrl_pwm_syn_clk: pwm_syn_clk { + function = "pwm_syn_clk"; + groups = "pwm_syn_clk_grp"; + }; + + pinctrl_sys_irq: sys_irq { + function = "sys_irq"; + groups = "sys_irq_grp"; + }; + }; + }; -- 2.20.1