renesas,rzg2l-pinctrl.yaml (4922B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/pinctrl/renesas,rzg2l-pinctrl.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Renesas RZ/{G2L,V2L} combined Pin and GPIO controller 8 9maintainers: 10 - Geert Uytterhoeven <geert+renesas@glider.be> 11 - Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> 12 13description: 14 The Renesas SoCs of the RZ/{G2L,V2L} alike series feature a combined Pin and 15 GPIO controller. 16 Pin multiplexing and GPIO configuration is performed on a per-pin basis. 17 Each port features up to 8 pins, each of them configurable for GPIO function 18 (port mode) or in alternate function mode. 19 Up to 8 different alternate function modes exist for each single pin. 20 21properties: 22 compatible: 23 oneOf: 24 - items: 25 - enum: 26 - renesas,r9a07g043-pinctrl # RZ/G2UL{Type-1,Type-2} 27 - renesas,r9a07g044-pinctrl # RZ/G2{L,LC} 28 29 - items: 30 - enum: 31 - renesas,r9a07g054-pinctrl # RZ/V2L 32 - const: renesas,r9a07g044-pinctrl # RZ/G2{L,LC} fallback for RZ/V2L 33 34 reg: 35 maxItems: 1 36 37 gpio-controller: true 38 39 '#gpio-cells': 40 const: 2 41 description: 42 The first cell contains the global GPIO port index, constructed using the 43 RZG2L_GPIO() helper macro in <dt-bindings/pinctrl/rzg2l-pinctrl.h> and the 44 second cell represents consumer flag as mentioned in ../gpio/gpio.txt 45 E.g. "RZG2L_GPIO(39, 1)" for P39_1. 46 47 gpio-ranges: 48 maxItems: 1 49 50 clocks: 51 maxItems: 1 52 53 power-domains: 54 maxItems: 1 55 56 resets: 57 items: 58 - description: GPIO_RSTN signal 59 - description: GPIO_PORT_RESETN signal 60 - description: GPIO_SPARE_RESETN signal 61 62additionalProperties: 63 anyOf: 64 - type: object 65 allOf: 66 - $ref: pincfg-node.yaml# 67 - $ref: pinmux-node.yaml# 68 69 description: 70 Pin controller client devices use pin configuration subnodes (children 71 and grandchildren) for desired pin configuration. 72 Client device subnodes use below standard properties. 73 74 properties: 75 phandle: true 76 pinmux: 77 description: 78 Values are constructed from GPIO port number, pin number, and 79 alternate function configuration number using the RZG2L_PORT_PINMUX() 80 helper macro in <dt-bindings/pinctrl/rzg2l-pinctrl.h>. 81 pins: true 82 drive-strength: 83 enum: [ 2, 4, 8, 12 ] 84 output-impedance-ohms: 85 enum: [ 33, 50, 66, 100 ] 86 power-source: 87 description: I/O voltage in millivolt. 88 enum: [ 1800, 2500, 3300 ] 89 slew-rate: true 90 gpio-hog: true 91 gpios: true 92 input-enable: true 93 output-high: true 94 output-low: true 95 line-name: true 96 97 - type: object 98 properties: 99 phandle: true 100 101 additionalProperties: 102 $ref: "#/additionalProperties/anyOf/0" 103 104allOf: 105 - $ref: "pinctrl.yaml#" 106 107required: 108 - compatible 109 - reg 110 - gpio-controller 111 - '#gpio-cells' 112 - gpio-ranges 113 - clocks 114 - power-domains 115 - resets 116 117examples: 118 - | 119 #include <dt-bindings/pinctrl/rzg2l-pinctrl.h> 120 #include <dt-bindings/clock/r9a07g044-cpg.h> 121 122 pinctrl: pinctrl@11030000 { 123 compatible = "renesas,r9a07g044-pinctrl"; 124 reg = <0x11030000 0x10000>; 125 126 gpio-controller; 127 #gpio-cells = <2>; 128 gpio-ranges = <&pinctrl 0 0 392>; 129 clocks = <&cpg CPG_MOD R9A07G044_GPIO_HCLK>; 130 resets = <&cpg R9A07G044_GPIO_RSTN>, 131 <&cpg R9A07G044_GPIO_PORT_RESETN>, 132 <&cpg R9A07G044_GPIO_SPARE_RESETN>; 133 power-domains = <&cpg>; 134 135 scif0_pins: serial0 { 136 pinmux = <RZG2L_PORT_PINMUX(38, 0, 1)>, /* Tx */ 137 <RZG2L_PORT_PINMUX(38, 1, 1)>; /* Rx */ 138 }; 139 140 i2c1_pins: i2c1 { 141 pins = "RIIC1_SDA", "RIIC1_SCL"; 142 input-enable; 143 }; 144 145 sd1-pwr-en-hog { 146 gpio-hog; 147 gpios = <RZG2L_GPIO(39, 2) 0>; 148 output-high; 149 line-name = "sd1_pwr_en"; 150 }; 151 152 sdhi1_pins: sd1 { 153 sd1_mux { 154 pinmux = <RZG2L_PORT_PINMUX(19, 0, 1)>, /* CD */ 155 <RZG2L_PORT_PINMUX(19, 1, 1)>; /* WP */ 156 power-source = <3300>; 157 }; 158 159 sd1_data { 160 pins = "SD1_DATA0", "SD1_DATA1", "SD1_DATA2", "SD1_DATA3"; 161 power-source = <3300>; 162 }; 163 164 sd1_ctrl { 165 pins = "SD1_CLK", "SD1_CMD"; 166 power-source = <3300>; 167 }; 168 }; 169 };