1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pinctrl/cirrus,madera.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Cirrus Logic Madera class audio CODECs pinctrl driver 8 9maintainers: 10 - patches@opensource.cirrus.com 11 12description: | 13 The Cirrus Logic Madera codecs provide a number of GPIO functions for 14 interfacing to external hardware and to provide logic outputs to other devices. 15 Certain groups of GPIO pins also have an alternate function, normally as an 16 audio interface. 17 18 The set of available GPIOs, functions and alternate function groups differs 19 between CODECs so refer to the datasheet for the CODEC for further information 20 on what is supported on that device. 21 22 The properties for this driver exist within the parent MFD driver node. 23 24 See also the core bindings for the parent MFD driver: 25 26 Documentation/devicetree/bindings/mfd/cirrus,madera.yaml 27 28 And the generic pinmix bindings: 29 30 Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt 31 32properties: 33 pin-settings: 34 description: 35 One subnode is required to contain the default settings. It 36 contains an arbitrary number of configuration subnodes, one for 37 each group or pin configuration you want to apply as a default. 38 type: object 39 patternProperties: 40 '-pins$': 41 type: object 42 allOf: 43 - $ref: pincfg-node.yaml# 44 - $ref: pinmux-node.yaml# 45 properties: 46 groups: 47 description: 48 Name of one pin group to configure. 49 enum: [ aif1, aif2, aif3, aif4, mif1, mif2, mif3, pdmspk1, 50 pdmspk2, dmic4, dmic5, dmic6, gpio1, gpio2, gpio3, 51 gpio4, gpio5, gpio6, gpio7, gpio8, gpio9, 52 gpio10, gpio11, gpio12, gpio13, gpio14, gpio15, 53 gpio16, gpio17, gpio18, gpio19, gpio20, gpio21, 54 gpio22, gpio23, gpio24, gpio25, gpio26, gpio27, 55 gpio28, gpio29, gpio30, gpio31, gpio32, gpio33, 56 gpio34, gpio35, gpio36, gpio37, gpio38, gpio39 ] 57 58 function: 59 description: 60 Name of function to assign to this group. 61 enum: [ aif1, aif2, aif3, aif4, mif1, mif2, mif3, 62 pdmspk1, pdmspk2, dmic3, dmic4, dmic5, 63 dmic6, io, dsp-gpio, irq1, irq2, fll1-clk, 64 fll1-lock, fll2-clk, fll2-lock, fll3-clk, 65 fll3-lock, fllao-clk, fllao-lock, opclk, 66 opclk-async, pwm1, pwm2, spdif, asrc1-in1-lock, 67 asrc1-in2-lock, asrc2-in1-lock, asrc2-in2-lock, 68 spkl-short-circuit, spkr-short-circuit, 69 spk-shutdown, spk-overheat-shutdown, 70 spk-overheat-warn, timer1-sts, timer2-sts, 71 timer3-sts, timer4-sts, timer5-sts, timer6-sts, 72 timer7-sts, timer8-sts, log1-fifo-ne, 73 log2-fifo-ne, log3-fifo-ne, log4-fifo-ne, 74 log5-fifo-ne, log6-fifo-ne, log7-fifo-ne, 75 log8-fifo-ne ] 76 77 bias-disable: true 78 79 bias-bus-hold: true 80 81 bias-pull-up: true 82 83 bias-pull-down: true 84 85 drive-push-pull: true 86 87 drive-open-drain: true 88 89 drive-strength: 90 enum: [ 4, 8 ] 91 92 input-schmitt-enable: true 93 94 input-schmitt-disable: true 95 96 input-debounce: true 97 98 output-low: true 99 100 output-high: true 101 102 additionalProperties: false 103 104 required: 105 - groups 106 107 additionalProperties: false 108 109required: 110 - pinctrl-0 111 - pinctrl-names 112 113additionalProperties: true 114