On Sat, Mar 06, 2021 at 04:57:01PM +0100, Álvaro Fernández Rojas wrote: > Add binding documentation for the pincontrol core found in BCM6328 SoCs. > > Signed-off-by: Jonas Gorski <jonas.gorski@xxxxxxxxx> > Co-developed-by: Jonas Gorski <jonas.gorski@xxxxxxxxx> > Signed-off-by: Álvaro Fernández Rojas <noltari@xxxxxxxxx> > --- > v5: change Documentation to dt-bindings in commit title > v4: no changes > v3: add new gpio node > v2: remove interrupts > > .../pinctrl/brcm,bcm6328-pinctrl.yaml | 171 ++++++++++++++++++ > 1 file changed, 171 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml > > diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml > new file mode 100644 > index 000000000000..d4e3c7897f19 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6328-pinctrl.yaml > @@ -0,0 +1,171 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pinctrl/brcm,bcm6328-pinctrl.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Broadcom BCM6328 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 the bindings described in > + Documentation/devicetree/bindings/mfd/syscon.yaml > + > +properties: > + compatible: > + const: brcm,bcm6328-pinctrl > + > +patternProperties: > + '^gpio$': Not a pattern, move to 'properties' > + type: object > + properties: > + compatible: > + const: brcm,bcm6328-gpio > + > + data: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: | > + Offset in the register map for the data register (in bytes). > + > + dirout: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: | > + Offset in the register map for the dirout register (in bytes). > + > + gpio-controller: true > + > + "#gpio-cells": > + const: 2 > + > + gpio-ranges: > + maxItems: 1 > + > + required: > + - gpio-controller > + - gpio-ranges > + - '#gpio-cells' > + > + '^.*$': > + if: > + type: object > + then: Instead of this hack (which shouldn't work because 'gpio' is also a node), use some defined node name pattern (e.g. '-pins$') You need an 'additionalProperties: false' at this level. > + properties: > + function: > + $ref: "/schemas/types.yaml#/definitions/string" Reference the pinctrl schemas which define these properties. > + enum: [ serial_led_data, serial_led_clk, inet_act_led, pcie_clkreq, > + led, ephy0_act_led, ephy1_act_led, ephy2_act_led, > + ephy3_act_led, hsspi_cs1, usb_device_port, usb_host_port ] > + > + pins: > + $ref: "/schemas/types.yaml#/definitions/string" > + enum: [ gpio6, gpio7, gpio11, gpio16, gpio17, gpio18, gpio19, > + gpio20, gpio25, gpio26, gpio27, gpio28, hsspi_cs1, > + usb_port1 ] > + > +required: > + - compatible > + > +additionalProperties: false > + > +examples: > + - | > + gpio_cntl@10000080 { > + compatible = "syscon", "simple-mfd"; syscon needs a specific compatible for the SoC block. What else is in this block besides pinctrl? > + reg = <0x10000080 0x80>; > + > + pinctrl: pinctrl { > + compatible = "brcm,bcm6328-pinctrl"; Is there a register range of just pinctrl registers? If so, add 'reg' and define the sub-range. > + > + gpio { > + compatible = "brcm,bcm6328-gpio"; > + data = <0xc>; > + dirout = <0x4>; > + > + gpio-controller; > + gpio-ranges = <&pinctrl 0 0 32>; > + #gpio-cells = <2>; > + }; > + > + pinctrl_serial_led: serial_led { > + pinctrl_serial_led_data: serial_led_data { > + function = "serial_led_data"; > + pins = "gpio6"; > + }; > + > + pinctrl_serial_led_clk: serial_led_clk { > + function = "serial_led_clk"; > + pins = "gpio7"; > + }; > + }; > + > + pinctrl_inet_act_led: inet_act_led { > + function = "inet_act_led"; > + pins = "gpio11"; > + }; > + > + pinctrl_pcie_clkreq: pcie_clkreq { > + function = "pcie_clkreq"; > + pins = "gpio16"; > + }; > + > + pinctrl_ephy0_spd_led: ephy0_spd_led { > + function = "led"; > + pins = "gpio17"; > + }; > + > + pinctrl_ephy1_spd_led: ephy1_spd_led { > + function = "led"; > + pins = "gpio18"; > + }; > + > + pinctrl_ephy2_spd_led: ephy2_spd_led { > + function = "led"; > + pins = "gpio19"; > + }; > + > + pinctrl_ephy3_spd_led: ephy3_spd_led { > + function = "led"; > + pins = "gpio20"; > + }; > + > + pinctrl_ephy0_act_led: ephy0_act_led { > + function = "ephy0_act_led"; > + pins = "gpio25"; > + }; > + > + pinctrl_ephy1_act_led: ephy1_act_led { > + function = "ephy1_act_led"; > + pins = "gpio26"; > + }; > + > + pinctrl_ephy2_act_led: ephy2_act_led { > + function = "ephy2_act_led"; > + pins = "gpio27"; > + }; > + > + pinctrl_ephy3_act_led: ephy3_act_led { > + function = "ephy3_act_led"; > + pins = "gpio28"; > + }; > + > + pinctrl_hsspi_cs1: hsspi_cs1 { > + function = "hsspi_cs1"; > + pins = "hsspi_cs1"; > + }; > + > + pinctrl_usb_port1_device: usb_port1_device { > + function = "usb_device_port"; > + pins = "usb_port1"; > + }; > + > + pinctrl_usb_port1_host: usb_port1_host { > + function = "usb_host_port"; > + pins = "usb_port1"; > + }; > + }; > + }; > -- > 2.20.1 >
