1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 $id: http://devicetree.org/schemas/pinctrl/mediatek,mt6779-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Mediatek MT6779 Pin Controller Device Tree Bindings
10 - Andy Teng <andy.teng@mediatek.com>
13 The pin controller node should be the child of a syscon node with the
15 - compatible: "syscon"
19 const: mediatek,mt6779-pinctrl
42 Number of cells in GPIO specifier. Since the generic GPIO
43 binding is used, the amount of cells must be specified as 2. See the below
44 mentioned gpio binding representation for description of particular cells.
50 GPIO valid number range.
52 interrupt-controller: true
57 Specifies the summary IRQ.
69 - interrupt-controller
80 A pinctrl node should contain at least one subnodes representing the
81 pinctrl groups available on the machine. Each subnode will list the
82 pins it needs, and how they should be configured, with regard to muxer
83 configuration, pullups, drive strength, input enable/disable and input schmitt.
84 $ref: "/schemas/pinctrl/pincfg-node.yaml"
89 integer array, represents gpio pin number and mux setting.
90 Supported pin number and mux varies for different SoCs, and are defined
91 as macros in boot/dts/<soc>-pinfunc.h directly.
107 input-schmitt-enable: true
109 input-schmitt-disable: true
111 mediatek,pull-up-adv:
113 Pull up setings for 2 pull resistors, R0 and R1. User can
114 configure those special pins. Valid arguments are described as below:
115 0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled.
116 1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled.
117 2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled.
118 3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled.
119 $ref: /schemas/types.yaml#/definitions/uint32
122 mediatek,pull-down-adv:
124 Pull down settings for 2 pull resistors, R0 and R1. User can
125 configure those special pins. Valid arguments are described as below:
126 0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled.
127 1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled.
128 2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled.
129 3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled.
130 $ref: /schemas/types.yaml#/definitions/uint32
136 additionalProperties: false
138 additionalProperties: false
142 #include <dt-bindings/interrupt-controller/irq.h>
143 #include <dt-bindings/interrupt-controller/arm-gic.h>
144 #include <dt-bindings/pinctrl/mt6779-pinfunc.h>
147 #address-cells = <2>;
150 pio: pinctrl@10005000 {
151 compatible = "mediatek,mt6779-pinctrl";
152 reg = <0 0x10005000 0 0x1000>,
153 <0 0x11c20000 0 0x1000>,
154 <0 0x11d10000 0 0x1000>,
155 <0 0x11e20000 0 0x1000>,
156 <0 0x11e70000 0 0x1000>,
157 <0 0x11ea0000 0 0x1000>,
158 <0 0x11f20000 0 0x1000>,
159 <0 0x11f30000 0 0x1000>,
160 <0 0x1000b000 0 0x1000>;
161 reg-names = "gpio", "iocfg_rm",
162 "iocfg_br", "iocfg_lm",
163 "iocfg_lb", "iocfg_rt",
164 "iocfg_lt", "iocfg_tl",
168 gpio-ranges = <&pio 0 0 210>;
169 interrupt-controller;
170 #interrupt-cells = <2>;
171 interrupts = <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>;
173 mmc0_pins_default: mmc0-0 {
175 pinmux = <PINMUX_GPIO168__FUNC_MSDC0_DAT0>,
176 <PINMUX_GPIO172__FUNC_MSDC0_DAT1>,
177 <PINMUX_GPIO169__FUNC_MSDC0_DAT2>,
178 <PINMUX_GPIO177__FUNC_MSDC0_DAT3>,
179 <PINMUX_GPIO170__FUNC_MSDC0_DAT4>,
180 <PINMUX_GPIO173__FUNC_MSDC0_DAT5>,
181 <PINMUX_GPIO171__FUNC_MSDC0_DAT6>,
182 <PINMUX_GPIO174__FUNC_MSDC0_DAT7>,
183 <PINMUX_GPIO167__FUNC_MSDC0_CMD>;
185 mediatek,pull-up-adv = <1>;
188 pinmux = <PINMUX_GPIO176__FUNC_MSDC0_CLK>;
189 mediatek,pull-down-adv = <2>;
192 pinmux = <PINMUX_GPIO178__FUNC_MSDC0_RSTB>;
193 mediatek,pull-up-adv = <0>;
199 pinctrl-0 = <&mmc0_pins_default>;
200 pinctrl-names = "default";