162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
262306a36Sopenharmony_ci%YAML 1.2
362306a36Sopenharmony_ci---
462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/pinctrl/mediatek,mt7622-pinctrl.yaml#
562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml#
662306a36Sopenharmony_ci
762306a36Sopenharmony_cititle: MediaTek MT7622 Pin Controller
862306a36Sopenharmony_ci
962306a36Sopenharmony_cimaintainers:
1062306a36Sopenharmony_ci  - Sean Wang <sean.wang@kernel.org>
1162306a36Sopenharmony_ci
1262306a36Sopenharmony_cidescription:
1362306a36Sopenharmony_ci  The MediaTek's MT7622 Pin controller is used to control SoC pins.
1462306a36Sopenharmony_ci
1562306a36Sopenharmony_ciproperties:
1662306a36Sopenharmony_ci  compatible:
1762306a36Sopenharmony_ci    enum:
1862306a36Sopenharmony_ci      - mediatek,mt7622-pinctrl
1962306a36Sopenharmony_ci      - mediatek,mt7629-pinctrl
2062306a36Sopenharmony_ci
2162306a36Sopenharmony_ci  reg:
2262306a36Sopenharmony_ci    maxItems: 1
2362306a36Sopenharmony_ci
2462306a36Sopenharmony_ci  reg-names:
2562306a36Sopenharmony_ci    items:
2662306a36Sopenharmony_ci      - const: eint
2762306a36Sopenharmony_ci
2862306a36Sopenharmony_ci  gpio-controller: true
2962306a36Sopenharmony_ci
3062306a36Sopenharmony_ci  "#gpio-cells":
3162306a36Sopenharmony_ci    const: 2
3262306a36Sopenharmony_ci    description:
3362306a36Sopenharmony_ci      Number of cells in GPIO specifier. Since the generic GPIO binding is used,
3462306a36Sopenharmony_ci      the amount of cells must be specified as 2. See the below mentioned gpio
3562306a36Sopenharmony_ci      binding representation for description of particular cells.
3662306a36Sopenharmony_ci
3762306a36Sopenharmony_ci  interrupt-controller: true
3862306a36Sopenharmony_ci
3962306a36Sopenharmony_ci  interrupts:
4062306a36Sopenharmony_ci    maxItems: 1
4162306a36Sopenharmony_ci
4262306a36Sopenharmony_ci  "#interrupt-cells":
4362306a36Sopenharmony_ci    const: 2
4462306a36Sopenharmony_ci
4562306a36Sopenharmony_ciallOf:
4662306a36Sopenharmony_ci  - $ref: pinctrl.yaml#
4762306a36Sopenharmony_ci
4862306a36Sopenharmony_cirequired:
4962306a36Sopenharmony_ci  - compatible
5062306a36Sopenharmony_ci  - reg
5162306a36Sopenharmony_ci  - gpio-controller
5262306a36Sopenharmony_ci  - "#gpio-cells"
5362306a36Sopenharmony_ci
5462306a36Sopenharmony_ciif:
5562306a36Sopenharmony_ci  required:
5662306a36Sopenharmony_ci    - interrupt-controller
5762306a36Sopenharmony_cithen:
5862306a36Sopenharmony_ci  required:
5962306a36Sopenharmony_ci    - reg-names
6062306a36Sopenharmony_ci    - interrupts
6162306a36Sopenharmony_ci    - "#interrupt-cells"
6262306a36Sopenharmony_ci
6362306a36Sopenharmony_cipatternProperties:
6462306a36Sopenharmony_ci  '-pins(-[a-z]+)?$':
6562306a36Sopenharmony_ci    type: object
6662306a36Sopenharmony_ci    additionalProperties: false
6762306a36Sopenharmony_ci    patternProperties:
6862306a36Sopenharmony_ci      '^mux(-|$)':
6962306a36Sopenharmony_ci        type: object
7062306a36Sopenharmony_ci        additionalProperties: false
7162306a36Sopenharmony_ci        description:
7262306a36Sopenharmony_ci          pinmux configuration nodes.
7362306a36Sopenharmony_ci        $ref: /schemas/pinctrl/pinmux-node.yaml
7462306a36Sopenharmony_ci        properties:
7562306a36Sopenharmony_ci          function:
7662306a36Sopenharmony_ci            description:
7762306a36Sopenharmony_ci              A string containing the name of the function to mux to the group.
7862306a36Sopenharmony_ci            enum: [emmc, eth, i2c, i2s, ir, led, flash, pcie, pmic, pwm, sd,
7962306a36Sopenharmony_ci                   spi, tdm, uart, watchdog, wifi]
8062306a36Sopenharmony_ci
8162306a36Sopenharmony_ci          groups:
8262306a36Sopenharmony_ci            description:
8362306a36Sopenharmony_ci              An array of strings. Each string contains the name of a group.
8462306a36Sopenharmony_ci
8562306a36Sopenharmony_ci          drive-strength:
8662306a36Sopenharmony_ci            enum: [4, 8, 12, 16]
8762306a36Sopenharmony_ci
8862306a36Sopenharmony_ci        required:
8962306a36Sopenharmony_ci          - groups
9062306a36Sopenharmony_ci          - function
9162306a36Sopenharmony_ci
9262306a36Sopenharmony_ci        allOf:
9362306a36Sopenharmony_ci          - if:
9462306a36Sopenharmony_ci              properties:
9562306a36Sopenharmony_ci                function:
9662306a36Sopenharmony_ci                  const: emmc
9762306a36Sopenharmony_ci            then:
9862306a36Sopenharmony_ci              properties:
9962306a36Sopenharmony_ci                groups:
10062306a36Sopenharmony_ci                  enum: [emmc, emmc_rst]
10162306a36Sopenharmony_ci          - if:
10262306a36Sopenharmony_ci              properties:
10362306a36Sopenharmony_ci                function:
10462306a36Sopenharmony_ci                  const: eth
10562306a36Sopenharmony_ci            then:
10662306a36Sopenharmony_ci              properties:
10762306a36Sopenharmony_ci                groups:
10862306a36Sopenharmony_ci                  enum: [esw, esw_p0_p1, esw_p2_p3_p4, rgmii_via_esw,
10962306a36Sopenharmony_ci                         rgmii_via_gmac1, rgmii_via_gmac2, mdc_mdio]
11062306a36Sopenharmony_ci          - if:
11162306a36Sopenharmony_ci              properties:
11262306a36Sopenharmony_ci                function:
11362306a36Sopenharmony_ci                  const: i2c
11462306a36Sopenharmony_ci            then:
11562306a36Sopenharmony_ci              properties:
11662306a36Sopenharmony_ci                groups:
11762306a36Sopenharmony_ci                  enum: [i2c0, i2c_0, i2c_1, i2c1_0, i2c1_1, i2c1_2, i2c2_0,
11862306a36Sopenharmony_ci                         i2c2_1, i2c2_2]
11962306a36Sopenharmony_ci          - if:
12062306a36Sopenharmony_ci              properties:
12162306a36Sopenharmony_ci                function:
12262306a36Sopenharmony_ci                  const: i2s
12362306a36Sopenharmony_ci            then:
12462306a36Sopenharmony_ci              properties:
12562306a36Sopenharmony_ci                groups:
12662306a36Sopenharmony_ci                  enum: [i2s_in_mclk_bclk_ws, i2s1_in_data, i2s2_in_data,
12762306a36Sopenharmony_ci                         i2s3_in_data, i2s4_in_data, i2s_out_mclk_bclk_ws,
12862306a36Sopenharmony_ci                         i2s1_out_data, i2s2_out_data, i2s3_out_data,
12962306a36Sopenharmony_ci                         i2s4_out_data]
13062306a36Sopenharmony_ci          - if:
13162306a36Sopenharmony_ci              properties:
13262306a36Sopenharmony_ci                function:
13362306a36Sopenharmony_ci                  const: ir
13462306a36Sopenharmony_ci            then:
13562306a36Sopenharmony_ci              properties:
13662306a36Sopenharmony_ci                groups:
13762306a36Sopenharmony_ci                  enum: [ir_0_tx, ir_1_tx, ir_2_tx, ir_0_rx, ir_1_rx, ir_2_rx]
13862306a36Sopenharmony_ci          - if:
13962306a36Sopenharmony_ci              properties:
14062306a36Sopenharmony_ci                function:
14162306a36Sopenharmony_ci                  const: led
14262306a36Sopenharmony_ci            then:
14362306a36Sopenharmony_ci              properties:
14462306a36Sopenharmony_ci                groups:
14562306a36Sopenharmony_ci                  enum: [ephy_leds, ephy0_led, ephy1_led, ephy2_led, ephy3_led,
14662306a36Sopenharmony_ci                         ephy4_led, wled, wf2g_led, wf5g_led]
14762306a36Sopenharmony_ci          - if:
14862306a36Sopenharmony_ci              properties:
14962306a36Sopenharmony_ci                function:
15062306a36Sopenharmony_ci                  const: flash
15162306a36Sopenharmony_ci            then:
15262306a36Sopenharmony_ci              properties:
15362306a36Sopenharmony_ci                groups:
15462306a36Sopenharmony_ci                  enum: [par_nand, snfi, spi_nor]
15562306a36Sopenharmony_ci          - if:
15662306a36Sopenharmony_ci              properties:
15762306a36Sopenharmony_ci                function:
15862306a36Sopenharmony_ci                  const: pcie
15962306a36Sopenharmony_ci            then:
16062306a36Sopenharmony_ci              properties:
16162306a36Sopenharmony_ci                groups:
16262306a36Sopenharmony_ci                  enum: [pcie0_0_waken, pcie0_1_waken, pcie1_0_waken,
16362306a36Sopenharmony_ci                         pcie0_0_clkreq, pcie0_1_clkreq, pcie1_0_clkreq,
16462306a36Sopenharmony_ci                         pcie0_pad_perst, pcie1_pad_perst, pcie_pereset,
16562306a36Sopenharmony_ci                         pcie_wake, pcie_clkreq]
16662306a36Sopenharmony_ci          - if:
16762306a36Sopenharmony_ci              properties:
16862306a36Sopenharmony_ci                function:
16962306a36Sopenharmony_ci                  const: pmic
17062306a36Sopenharmony_ci            then:
17162306a36Sopenharmony_ci              properties:
17262306a36Sopenharmony_ci                groups:
17362306a36Sopenharmony_ci                  enum: [pmic_bus]
17462306a36Sopenharmony_ci          - if:
17562306a36Sopenharmony_ci              properties:
17662306a36Sopenharmony_ci                function:
17762306a36Sopenharmony_ci                  const: pwm
17862306a36Sopenharmony_ci            then:
17962306a36Sopenharmony_ci              properties:
18062306a36Sopenharmony_ci                groups:
18162306a36Sopenharmony_ci                  enum: [pwm_ch1_0, pwm_ch1_1, pwm_ch1_2, pwm_ch2_0, pwm_ch2_1,
18262306a36Sopenharmony_ci                         pwm_ch2_2, pwm_ch3_0, pwm_ch3_1, pwm_ch3_2, pwm_ch4_0,
18362306a36Sopenharmony_ci                         pwm_ch4_1, pwm_ch4_2, pwm_ch4_3, pwm_ch5_0, pwm_ch5_1,
18462306a36Sopenharmony_ci                         pwm_ch5_2, pwm_ch6_0, pwm_ch6_1, pwm_ch6_2, pwm_ch6_3,
18562306a36Sopenharmony_ci                         pwm_ch7_0, pwm_0, pwm_1]
18662306a36Sopenharmony_ci          - if:
18762306a36Sopenharmony_ci              properties:
18862306a36Sopenharmony_ci                function:
18962306a36Sopenharmony_ci                  const: sd
19062306a36Sopenharmony_ci            then:
19162306a36Sopenharmony_ci              properties:
19262306a36Sopenharmony_ci                groups:
19362306a36Sopenharmony_ci                  enum: [sd_0, sd_1]
19462306a36Sopenharmony_ci          - if:
19562306a36Sopenharmony_ci              properties:
19662306a36Sopenharmony_ci                function:
19762306a36Sopenharmony_ci                  const: spi
19862306a36Sopenharmony_ci            then:
19962306a36Sopenharmony_ci              properties:
20062306a36Sopenharmony_ci                groups:
20162306a36Sopenharmony_ci                  enum: [spic0_0, spic0_1, spic1_0, spic1_1, spic2_0_wp_hold,
20262306a36Sopenharmony_ci                         spic2_0, spi_0, spi_1, spi_wp, spi_hold]
20362306a36Sopenharmony_ci          - if:
20462306a36Sopenharmony_ci              properties:
20562306a36Sopenharmony_ci                function:
20662306a36Sopenharmony_ci                  const: tdm
20762306a36Sopenharmony_ci            then:
20862306a36Sopenharmony_ci              properties:
20962306a36Sopenharmony_ci                groups:
21062306a36Sopenharmony_ci                  enum: [tdm_0_out_mclk_bclk_ws, tdm_0_in_mclk_bclk_ws,
21162306a36Sopenharmony_ci                         tdm_0_out_data, tdm_0_in_data, tdm_1_out_mclk_bclk_ws,
21262306a36Sopenharmony_ci                         tdm_1_in_mclk_bclk_ws, tdm_1_out_data, tdm_1_in_data]
21362306a36Sopenharmony_ci          - if:
21462306a36Sopenharmony_ci              properties:
21562306a36Sopenharmony_ci                function:
21662306a36Sopenharmony_ci                  const: uart
21762306a36Sopenharmony_ci            then:
21862306a36Sopenharmony_ci              properties:
21962306a36Sopenharmony_ci                groups:
22062306a36Sopenharmony_ci                  enum: [uart0_0_tx_rx, uart1_0_tx_rx, uart1_0_rts_cts,
22162306a36Sopenharmony_ci                         uart1_1_tx_rx, uart1_1_rts_cts, uart2_0_tx_rx,
22262306a36Sopenharmony_ci                         uart2_0_rts_cts, uart2_1_tx_rx, uart2_1_rts_cts,
22362306a36Sopenharmony_ci                         uart2_2_tx_rx, uart2_2_rts_cts, uart2_3_tx_rx,
22462306a36Sopenharmony_ci                         uart3_0_tx_rx, uart3_1_tx_rx, uart3_1_rts_cts,
22562306a36Sopenharmony_ci                         uart4_0_tx_rx, uart4_1_tx_rx, uart4_1_rts_cts,
22662306a36Sopenharmony_ci                         uart4_2_tx_rx, uart4_2_rts_cts, uart0_txd_rxd,
22762306a36Sopenharmony_ci                         uart1_0_txd_rxd, uart1_0_cts_rts, uart1_1_txd_rxd,
22862306a36Sopenharmony_ci                         uart1_1_cts_rts, uart2_0_txd_rxd, uart2_0_cts_rts,
22962306a36Sopenharmony_ci                         uart2_1_txd_rxd, uart2_1_cts_rts]
23062306a36Sopenharmony_ci          - if:
23162306a36Sopenharmony_ci              properties:
23262306a36Sopenharmony_ci                function:
23362306a36Sopenharmony_ci                  const: watchdog
23462306a36Sopenharmony_ci            then:
23562306a36Sopenharmony_ci              properties:
23662306a36Sopenharmony_ci                groups:
23762306a36Sopenharmony_ci                  enum: [watchdog]
23862306a36Sopenharmony_ci          - if:
23962306a36Sopenharmony_ci              properties:
24062306a36Sopenharmony_ci                function:
24162306a36Sopenharmony_ci                  const: wifi
24262306a36Sopenharmony_ci            then:
24362306a36Sopenharmony_ci              properties:
24462306a36Sopenharmony_ci                groups:
24562306a36Sopenharmony_ci                  enum: [wf0_2g, wf0_5g]
24662306a36Sopenharmony_ci
24762306a36Sopenharmony_ci      '^conf(-|$)':
24862306a36Sopenharmony_ci        type: object
24962306a36Sopenharmony_ci        additionalProperties: false
25062306a36Sopenharmony_ci        description:
25162306a36Sopenharmony_ci          pinconf configuration nodes.
25262306a36Sopenharmony_ci        $ref: /schemas/pinctrl/pincfg-node.yaml
25362306a36Sopenharmony_ci
25462306a36Sopenharmony_ci        properties:
25562306a36Sopenharmony_ci          groups:
25662306a36Sopenharmony_ci            description:
25762306a36Sopenharmony_ci              An array of strings. Each string contains the name of a group.
25862306a36Sopenharmony_ci              Valid values are the same as the pinmux node.
25962306a36Sopenharmony_ci
26062306a36Sopenharmony_ci          pins:
26162306a36Sopenharmony_ci            description:
26262306a36Sopenharmony_ci              An array of strings. Each string contains the name of a pin.
26362306a36Sopenharmony_ci            enum: [GPIO_A, I2S1_IN, I2S1_OUT, I2S_BCLK, I2S_WS, I2S_MCLK, TXD0,
26462306a36Sopenharmony_ci                   RXD0, SPI_WP, SPI_HOLD, SPI_CLK, SPI_MOSI, SPI_MISO, SPI_CS,
26562306a36Sopenharmony_ci                   I2C_SDA, I2C_SCL, I2S2_IN, I2S3_IN, I2S4_IN, I2S2_OUT,
26662306a36Sopenharmony_ci                   I2S3_OUT, I2S4_OUT, GPIO_B, MDC, MDIO, G2_TXD0, G2_TXD1,
26762306a36Sopenharmony_ci                   G2_TXD2, G2_TXD3, G2_TXEN, G2_TXC, G2_RXD0, G2_RXD1, G2_RXD2,
26862306a36Sopenharmony_ci                   G2_RXD3, G2_RXDV, G2_RXC, NCEB, NWEB, NREB, NDL4, NDL5, NDL6,
26962306a36Sopenharmony_ci                   NDL7, NRB, NCLE, NALE, NDL0, NDL1, NDL2, NDL3, MDI_TP_P0,
27062306a36Sopenharmony_ci                   MDI_TN_P0, MDI_RP_P0, MDI_RN_P0, MDI_TP_P1, MDI_TN_P1,
27162306a36Sopenharmony_ci                   MDI_RP_P1, MDI_RN_P1, MDI_RP_P2, MDI_RN_P2, MDI_TP_P2,
27262306a36Sopenharmony_ci                   MDI_TN_P2, MDI_TP_P3, MDI_TN_P3, MDI_RP_P3, MDI_RN_P3,
27362306a36Sopenharmony_ci                   MDI_RP_P4, MDI_RN_P4, MDI_TP_P4, MDI_TN_P4, PMIC_SCL,
27462306a36Sopenharmony_ci                   PMIC_SDA, SPIC1_CLK, SPIC1_MOSI, SPIC1_MISO, SPIC1_CS,
27562306a36Sopenharmony_ci                   GPIO_D, WATCHDOG, RTS3_N, CTS3_N, TXD3, RXD3, PERST0_N,
27662306a36Sopenharmony_ci                   PERST1_N, WLED_N, EPHY_LED0_N, AUXIN0, AUXIN1, AUXIN2,
27762306a36Sopenharmony_ci                   AUXIN3, TXD4, RXD4, RTS4_N, CST4_N, PWM1, PWM2, PWM3, PWM4,
27862306a36Sopenharmony_ci                   PWM5, PWM6, PWM7, GPIO_E, TOP_5G_CLK, TOP_5G_DATA,
27962306a36Sopenharmony_ci                   WF0_5G_HB0, WF0_5G_HB1, WF0_5G_HB2, WF0_5G_HB3, WF0_5G_HB4,
28062306a36Sopenharmony_ci                   WF0_5G_HB5, WF0_5G_HB6, XO_REQ, TOP_RST_N, SYS_WATCHDOG,
28162306a36Sopenharmony_ci                   EPHY_LED0_N_JTDO, EPHY_LED1_N_JTDI, EPHY_LED2_N_JTMS,
28262306a36Sopenharmony_ci                   EPHY_LED3_N_JTCLK, EPHY_LED4_N_JTRST_N, WF2G_LED_N,
28362306a36Sopenharmony_ci                   WF5G_LED_N, GPIO_9, GPIO_10, GPIO_11, GPIO_12, UART1_TXD,
28462306a36Sopenharmony_ci                   UART1_RXD, UART1_CTS, UART1_RTS, UART2_TXD, UART2_RXD,
28562306a36Sopenharmony_ci                   UART2_CTS, UART2_RTS, SMI_MDC, SMI_MDIO, PCIE_PERESET_N,
28662306a36Sopenharmony_ci                   PWM_0, GPIO_0, GPIO_1, GPIO_2, GPIO_3, GPIO_4, GPIO_5,
28762306a36Sopenharmony_ci                   GPIO_6, GPIO_7, GPIO_8, UART0_TXD, UART0_RXD, TOP_2G_CLK,
28862306a36Sopenharmony_ci                   TOP_2G_DATA, WF0_2G_HB0, WF0_2G_HB1, WF0_2G_HB2, WF0_2G_HB3,
28962306a36Sopenharmony_ci                   WF0_2G_HB4, WF0_2G_HB5, WF0_2G_HB6]
29062306a36Sopenharmony_ci
29162306a36Sopenharmony_ci          bias-disable: true
29262306a36Sopenharmony_ci
29362306a36Sopenharmony_ci          bias-pull-up: true
29462306a36Sopenharmony_ci
29562306a36Sopenharmony_ci          bias-pull-down: true
29662306a36Sopenharmony_ci
29762306a36Sopenharmony_ci          input-enable: true
29862306a36Sopenharmony_ci
29962306a36Sopenharmony_ci          input-disable: true
30062306a36Sopenharmony_ci
30162306a36Sopenharmony_ci          output-enable: true
30262306a36Sopenharmony_ci
30362306a36Sopenharmony_ci          output-low: true
30462306a36Sopenharmony_ci
30562306a36Sopenharmony_ci          output-high: true
30662306a36Sopenharmony_ci
30762306a36Sopenharmony_ci          input-schmitt-enable: true
30862306a36Sopenharmony_ci
30962306a36Sopenharmony_ci          input-schmitt-disable: true
31062306a36Sopenharmony_ci
31162306a36Sopenharmony_ci          drive-strength:
31262306a36Sopenharmony_ci            enum: [4, 8, 12, 16]
31362306a36Sopenharmony_ci
31462306a36Sopenharmony_ci          slew-rate:
31562306a36Sopenharmony_ci            enum: [0, 1]
31662306a36Sopenharmony_ci
31762306a36Sopenharmony_ci          mediatek,tdsel:
31862306a36Sopenharmony_ci            description:
31962306a36Sopenharmony_ci              An integer describing the steps for output level shifter duty
32062306a36Sopenharmony_ci              cycle when asserted (high pulse width adjustment). Valid arguments
32162306a36Sopenharmony_ci              are from 0 to 15.
32262306a36Sopenharmony_ci            $ref: /schemas/types.yaml#/definitions/uint32
32362306a36Sopenharmony_ci
32462306a36Sopenharmony_ci          mediatek,rdsel:
32562306a36Sopenharmony_ci            description:
32662306a36Sopenharmony_ci              An integer describing the steps for input level shifter duty cycle
32762306a36Sopenharmony_ci              when asserted (high pulse width adjustment). Valid arguments are
32862306a36Sopenharmony_ci              from 0 to 63.
32962306a36Sopenharmony_ci            $ref: /schemas/types.yaml#/definitions/uint32
33062306a36Sopenharmony_ci
33162306a36Sopenharmony_ci        required:
33262306a36Sopenharmony_ci          - pins
33362306a36Sopenharmony_ci
33462306a36Sopenharmony_ciadditionalProperties: false
33562306a36Sopenharmony_ci
33662306a36Sopenharmony_ciexamples:
33762306a36Sopenharmony_ci  - |
33862306a36Sopenharmony_ci    #include <dt-bindings/interrupt-controller/irq.h>
33962306a36Sopenharmony_ci    #include <dt-bindings/interrupt-controller/arm-gic.h>
34062306a36Sopenharmony_ci
34162306a36Sopenharmony_ci    soc {
34262306a36Sopenharmony_ci        #address-cells = <2>;
34362306a36Sopenharmony_ci        #size-cells = <2>;
34462306a36Sopenharmony_ci
34562306a36Sopenharmony_ci        pio: pinctrl@10211000 {
34662306a36Sopenharmony_ci          compatible = "mediatek,mt7622-pinctrl";
34762306a36Sopenharmony_ci          reg = <0 0x10211000 0 0x1000>;
34862306a36Sopenharmony_ci          gpio-controller;
34962306a36Sopenharmony_ci          #gpio-cells = <2>;
35062306a36Sopenharmony_ci
35162306a36Sopenharmony_ci          pinctrl_eth_default: eth-pins {
35262306a36Sopenharmony_ci            mux-mdio {
35362306a36Sopenharmony_ci              groups = "mdc_mdio";
35462306a36Sopenharmony_ci              function = "eth";
35562306a36Sopenharmony_ci              drive-strength = <12>;
35662306a36Sopenharmony_ci            };
35762306a36Sopenharmony_ci
35862306a36Sopenharmony_ci            mux-gmac2 {
35962306a36Sopenharmony_ci              groups = "rgmii_via_gmac2";
36062306a36Sopenharmony_ci              function = "eth";
36162306a36Sopenharmony_ci              drive-strength = <12>;
36262306a36Sopenharmony_ci            };
36362306a36Sopenharmony_ci
36462306a36Sopenharmony_ci            mux-esw {
36562306a36Sopenharmony_ci              groups = "esw";
36662306a36Sopenharmony_ci              function = "eth";
36762306a36Sopenharmony_ci              drive-strength = <8>;
36862306a36Sopenharmony_ci            };
36962306a36Sopenharmony_ci
37062306a36Sopenharmony_ci            conf-mdio {
37162306a36Sopenharmony_ci              pins = "MDC";
37262306a36Sopenharmony_ci              bias-pull-up;
37362306a36Sopenharmony_ci            };
37462306a36Sopenharmony_ci          };
37562306a36Sopenharmony_ci        };
37662306a36Sopenharmony_ci    };
377