# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/mediatek,mt7622-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek MT7622 Pin Controller
maintainers:
- Sean Wang <sean.wang@kernel.org>
description:
The MediaTek's MT7622 Pin controller is used to control SoC pins.
properties:
compatible:
enum:
- mediatek,mt7622-pinctrl
- mediatek,mt7629-pinctrl
reg:
maxItems: 1
reg-names:
items:
- const: eint
gpio-controller: true
"#gpio-cells":
const: 2
description:
Number of cells in GPIO specifier. Since the generic GPIO binding is used,
the amount of cells must be specified as 2. See the below mentioned gpio
binding representation for description of particular cells.
interrupt-controller: true
interrupts:
maxItems: 1
"#interrupt-cells":
const: 2
allOf:
- $ref: pinctrl.yaml#
required:
- compatible
- reg
- gpio-controller
- "#gpio-cells"
if:
required:
- interrupt-controller
then:
required:
- reg-names
- interrupts
- "#interrupt-cells"
patternProperties:
'-pins(-[a-z]+)?$':
type: object
additionalProperties: false
patternProperties:
'^mux(-|$)':
type: object
additionalProperties: false
description:
pinmux configuration nodes.
$ref: /schemas/pinctrl/pinmux-node.yaml
properties:
function:
description:
A string containing the name of the function to mux to the group.
enum: [emmc, eth, i2c, i2s, ir, led, flash, pcie, pmic, pwm, sd,
spi, tdm, uart, watchdog, wifi]
groups:
description:
An array of strings. Each string contains the name of a group.
drive-strength:
enum: [4, 8, 12, 16]
required:
- groups
- function
allOf:
- if:
properties:
function:
const: emmc
then:
properties:
groups:
enum: [emmc, emmc_rst]
- if:
properties:
function:
const: eth
then:
properties:
groups:
enum: [esw, esw_p0_p1, esw_p2_p3_p4, rgmii_via_esw,
rgmii_via_gmac1, rgmii_via_gmac2, mdc_mdio]
- if:
properties:
function:
const: i2c
then:
properties:
groups:
enum: [i2c0, i2c_0, i2c_1, i2c1_0, i2c1_1, i2c1_2, i2c2_0,
i2c2_1, i2c2_2]
- if:
properties:
function:
const: i2s
then:
properties:
groups:
enum: [i2s_in_mclk_bclk_ws, i2s1_in_data, i2s2_in_data,
i2s3_in_data, i2s4_in_data, i2s_out_mclk_bclk_ws,
i2s1_out_data, i2s2_out_data, i2s3_out_data,
i2s4_out_data]
- if:
properties:
function:
const: ir
then:
properties:
groups:
enum: [ir_0_tx, ir_1_tx, ir_2_tx, ir_0_rx, ir_1_rx, ir_2_rx]
- if:
properties:
function:
const: led
then:
properties:
groups:
enum: [ephy_leds, ephy0_led, ephy1_led, ephy2_led, ephy3_led,
ephy4_led, wled, wf2g_led, wf5g_led]
- if:
properties:
function:
const: flash
then:
properties:
groups:
enum: [par_nand, snfi, spi_nor]
- if:
properties:
function:
const: pcie
then:
properties:
groups:
enum: [pcie0_0_waken, pcie0_1_waken, pcie1_0_waken,
pcie0_0_clkreq, pcie0_1_clkreq, pcie1_0_clkreq,
pcie0_pad_perst, pcie1_pad_perst, pcie_pereset,
pcie_wake, pcie_clkreq]
- if:
properties:
function:
const: pmic
then:
properties:
groups:
enum: [pmic_bus]
- if:
properties:
function:
const: pwm
then:
properties:
groups:
enum: [pwm_ch1_0, pwm_ch1_1, pwm_ch1_2, pwm_ch2_0, pwm_ch2_1,
pwm_ch2_2, pwm_ch3_0, pwm_ch3_1, pwm_ch3_2, pwm_ch4_0,
pwm_ch4_1, pwm_ch4_2, pwm_ch4_3, pwm_ch5_0, pwm_ch5_1,
pwm_ch5_2, pwm_ch6_0, pwm_ch6_1, pwm_ch6_2, pwm_ch6_3,
pwm_ch7_0, pwm_0, pwm_1]
- if:
properties:
function:
const: sd
then:
properties:
groups:
enum: [sd_0, sd_1]
- if:
properties:
function:
const: spi
then:
properties:
groups:
enum: [spic0_0, spic0_1, spic1_0, spic1_1, spic2_0_wp_hold,
spic2_0, spi_0, spi_1, spi_wp, spi_hold]
- if:
properties:
function:
const: tdm
then:
properties:
groups:
enum: [tdm_0_out_mclk_bclk_ws, tdm_0_in_mclk_bclk_ws,
tdm_0_out_data, tdm_0_in_data, tdm_1_out_mclk_bclk_ws,
tdm_1_in_mclk_bclk_ws, tdm_1_out_data, tdm_1_in_data]
- if:
properties:
function:
const: uart
then:
properties:
groups:
enum: [uart0_0_tx_rx, uart1_0_tx_rx, uart1_0_rts_cts,
uart1_1_tx_rx, uart1_1_rts_cts, uart2_0_tx_rx,
uart2_0_rts_cts, uart2_1_tx_rx, uart2_1_rts_cts,
uart2_2_tx_rx, uart2_2_rts_cts, uart2_3_tx_rx,
uart3_0_tx_rx, uart3_1_tx_rx, uart3_1_rts_cts,
uart4_0_tx_rx, uart4_1_tx_rx, uart4_1_rts_cts,
uart4_2_tx_rx, uart4_2_rts_cts, uart0_txd_rxd,
uart1_0_txd_rxd, uart1_0_cts_rts, uart1_1_txd_rxd,
uart1_1_cts_rts, uart2_0_txd_rxd, uart2_0_cts_rts,
uart2_1_txd_rxd, uart2_1_cts_rts]
- if:
properties:
function:
const: watchdog
then:
properties:
groups:
enum: [watchdog]
- if:
properties:
function:
const: wifi
then:
properties:
groups:
enum: [wf0_2g, wf0_5g]
'^conf(-|$)':
type: object
additionalProperties: false
description:
pinconf configuration nodes.
$ref: /schemas/pinctrl/pincfg-node.yaml
properties:
groups:
description:
An array of strings. Each string contains the name of a group.
Valid values are the same as the pinmux node.
pins:
description:
An array of strings. Each string contains the name of a pin.
enum: [GPIO_A, I2S1_IN, I2S1_OUT, I2S_BCLK, I2S_WS, I2S_MCLK, TXD0,
RXD0, SPI_WP, SPI_HOLD, SPI_CLK, SPI_MOSI, SPI_MISO, SPI_CS,
I2C_SDA, I2C_SCL, I2S2_IN, I2S3_IN, I2S4_IN, I2S2_OUT,
I2S3_OUT, I2S4_OUT, GPIO_B, MDC, MDIO, G2_TXD0, G2_TXD1,
G2_TXD2, G2_TXD3, G2_TXEN, G2_TXC, G2_RXD0, G2_RXD1, G2_RXD2,
G2_RXD3, G2_RXDV, G2_RXC, NCEB, NWEB, NREB, NDL4, NDL5, NDL6,
NDL7, NRB, NCLE, NALE, NDL0, NDL1, NDL2, NDL3, MDI_TP_P0,
MDI_TN_P0, MDI_RP_P0, MDI_RN_P0, MDI_TP_P1, MDI_TN_P1,
MDI_RP_P1, MDI_RN_P1, MDI_RP_P2, MDI_RN_P2, MDI_TP_P2,
MDI_TN_P2, MDI_TP_P3, MDI_TN_P3, MDI_RP_P3, MDI_RN_P3,
MDI_RP_P4, MDI_RN_P4, MDI_TP_P4, MDI_TN_P4, PMIC_SCL,
PMIC_SDA, SPIC1_CLK, SPIC1_MOSI, SPIC1_MISO, SPIC1_CS,
GPIO_D, WATCHDOG, RTS3_N, CTS3_N, TXD3, RXD3, PERST0_N,
PERST1_N, WLED_N, EPHY_LED0_N, AUXIN0, AUXIN1, AUXIN2,
AUXIN3, TXD4, RXD4, RTS4_N, CST4_N, PWM1, PWM2, PWM3, PWM4,
PWM5, PWM6, PWM7, GPIO_E, TOP_5G_CLK, TOP_5G_DATA,
WF0_5G_HB0, WF0_5G_HB1, WF0_5G_HB2, WF0_5G_HB3, WF0_5G_HB4,
WF0_5G_HB5, WF0_5G_HB6, XO_REQ, TOP_RST_N, SYS_WATCHDOG,
EPHY_LED0_N_JTDO, EPHY_LED1_N_JTDI, EPHY_LED2_N_JTMS,
EPHY_LED3_N_JTCLK, EPHY_LED4_N_JTRST_N, WF2G_LED_N,
WF5G_LED_N, GPIO_9, GPIO_10, GPIO_11, GPIO_12, UART1_TXD,
UART1_RXD, UART1_CTS, UART1_RTS, UART2_TXD, UART2_RXD,
UART2_CTS, UART2_RTS, SMI_MDC, SMI_MDIO, PCIE_PERESET_N,
PWM_0, GPIO_0, GPIO_1, GPIO_2, GPIO_3, GPIO_4, GPIO_5,
GPIO_6, GPIO_7, GPIO_8, UART0_TXD, UART0_RXD, TOP_2G_CLK,
TOP_2G_DATA, WF0_2G_HB0, WF0_2G_HB1, WF0_2G_HB2, WF0_2G_HB3,
WF0_2G_HB4, WF0_2G_HB5, WF0_2G_HB6]
bias-disable: true
bias-pull-up: true
bias-pull-down: true
input-enable: true
input-disable: true
output-enable: true
output-low: true
output-high: true
input-schmitt-enable: true
input-schmitt-disable: true
drive-strength:
enum: [4, 8, 12, 16]
slew-rate:
enum: [0, 1]
mediatek,tdsel:
description:
An integer describing the steps for output level shifter duty
cycle when asserted (high pulse width adjustment). Valid arguments
are from 0 to 15.
$ref: /schemas/types.yaml#/definitions/uint32
mediatek,rdsel:
description:
An integer describing the steps for input level shifter duty cycle
when asserted (high pulse width adjustment). Valid arguments are
from 0 to 63.
$ref: /schemas/types.yaml#/definitions/uint32
required:
- pins
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
soc {
#address-cells = <2>;
#size-cells = <2>;
pio: pinctrl@10211000 {
compatible = "mediatek,mt7622-pinctrl";
reg = <0 0x10211000 0 0x1000>;
gpio-controller;
#gpio-cells = <2>;
pinctrl_eth_default: eth-pins {
mux-mdio {
groups = "mdc_mdio";
function = "eth";
drive-strength = <12>;
};
mux-gmac2 {
groups = "rgmii_via_gmac2";
function = "eth";
drive-strength = <12>;
};
mux-esw {
groups = "esw";
function = "eth";
drive-strength = <8>;
};
conf-mdio {
pins = "MDC";
bias-pull-up;
};
};
};
};