intel,pinctrl-thunderbay.yaml (2862B)
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pinctrl/intel,pinctrl-thunderbay.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Intel Thunder Bay pin controller Device Tree Bindings 8 9maintainers: 10 - Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com> 11 12description: | 13 Intel Thunder Bay SoC integrates a pin controller which enables control 14 of pin directions, input/output values and configuration 15 for a total of 67 pins. 16 17properties: 18 compatible: 19 const: intel,thunderbay-pinctrl 20 21 reg: 22 maxItems: 1 23 24 gpio-controller: true 25 26 '#gpio-cells': 27 const: 2 28 29 gpio-ranges: 30 maxItems: 1 31 32 interrupts: 33 description: 34 Specifies the interrupt lines to be used by the controller. 35 maxItems: 2 36 37 interrupt-controller: true 38 39 '#interrupt-cells': 40 const: 2 41 42patternProperties: 43 '^gpio@[0-9a-f]*$': 44 type: object 45 46 description: 47 Child nodes can be specified to contain pin configuration information, 48 which can then be utilized by pinctrl client devices. 49 The following properties are supported. 50 51 properties: 52 pins: 53 description: | 54 The name(s) of the pins to be configured in the child node. 55 Supported pin names are "GPIO0" up to "GPIO66". 56 57 bias-disable: true 58 59 bias-pull-down: true 60 61 bias-pull-up: true 62 63 drive-strength: 64 description: Drive strength for the pad. 65 enum: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15] 66 67 bias-bus-hold: 68 type: boolean 69 70 input-schmitt-enable: 71 type: boolean 72 73 slew-rate: 74 description: GPIO slew rate control. 75 0 - Slow 76 1 - Fast 77 enum: [0, 1] 78 79additionalProperties: false 80 81required: 82 - compatible 83 - reg 84 - gpio-controller 85 - '#gpio-cells' 86 - gpio-ranges 87 - interrupts 88 - interrupt-controller 89 - '#interrupt-cells' 90 91examples: 92 - | 93 #include <dt-bindings/interrupt-controller/arm-gic.h> 94 #include <dt-bindings/interrupt-controller/irq.h> 95 // Example 1 96 pinctrl0: gpio@0 { 97 compatible = "intel,thunderbay-pinctrl"; 98 reg = <0x600b0000 0x88>; 99 gpio-controller; 100 #gpio-cells = <0x2>; 101 gpio-ranges = <&pinctrl0 0 0 67>; 102 interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>, 103 <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>; 104 interrupt-controller; 105 #interrupt-cells = <2>; 106 }; 107 108 // Example 2 109 pinctrl1: gpio@1 { 110 compatible = "intel,thunderbay-pinctrl"; 111 reg = <0x600c0000 0x88>; 112 gpio-controller; 113 #gpio-cells = <0x2>; 114 gpio-ranges = <&pinctrl1 0 0 53>; 115 interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>, 116 <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>; 117 interrupt-controller; 118 #interrupt-cells = <2>; 119 };