mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-08-31 22:23:05 +00:00
e4ee0acff5
This adds bindings for MT7988 pinctrl driver. Signed-off-by: Frank Wunderlich <frank-w@public-files.de> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/20241217085435.9586-4-linux@fw-web.de Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
576 lines
20 KiB
YAML
576 lines
20 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/pinctrl/mediatek,mt7988-pinctrl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: MediaTek MT7988 Pin Controller
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maintainers:
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- Sean Wang <sean.wang@kernel.org>
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description:
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The MediaTek's MT7988 Pin controller is used to control SoC pins.
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properties:
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compatible:
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enum:
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- mediatek,mt7988-pinctrl
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reg:
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minItems: 7
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maxItems: 7
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reg-names:
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items:
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- const: gpio
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- const: iocfg_tr
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- const: iocfg_br
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- const: iocfg_rb
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- const: iocfg_lb
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- const: iocfg_tl
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- const: eint
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gpio-controller: true
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"#gpio-cells":
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const: 2
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gpio-ranges:
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minItems: 1
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maxItems: 5
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description:
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GPIO valid number range.
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interrupt-controller: true
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interrupts:
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maxItems: 1
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"#interrupt-cells":
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const: 2
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allOf:
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- $ref: pinctrl.yaml#
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required:
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- compatible
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- reg
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- reg-names
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- gpio-controller
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- "#gpio-cells"
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patternProperties:
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'-pins$':
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type: object
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additionalProperties: false
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properties:
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mux:
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type: object
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additionalProperties: false
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$ref: /schemas/pinctrl/pinmux-node.yaml
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description: |
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pinmux configuration nodes.
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The following table shows the effective values of "group", "function"
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properties and chip pinout pins
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groups function pins (in pin#)
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---------------------------------------------------------------------
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"tops_jtag0_0" "jtag" 0, 1, 2, 3, 4
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"wo0_jtag" "jtag" 50, 51, 52, 53, 54
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"wo1_jtag" "jtag" 50, 51, 52, 53, 54
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"wo2_jtag" "jtag" 50, 51, 52, 53, 54
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"jtag" "jtag" 58, 59, 60, 61, 62
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"tops_jtag0_1" "jtag" 58, 59, 60, 61, 62
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"int_usxgmii" "int_usxgmii" 2, 3
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"pwm0" "pwm" 57
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"pwm1" "pwm" 21
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"pwm2" "pwm" 80
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"pwm2_0" "pwm" 58
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"pwm3" "pwm" 81
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"pwm3_0" "pwm" 59
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"pwm4" "pwm" 82
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"pwm4_0" "pwm" 60
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"pwm5" "pwm" 83
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"pwm5_0" "pwm" 61
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"pwm6" "pwm" 69
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"pwm6_0" "pwm" 62
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"pwm7" "pwm" 70
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"pwm7_0" "pwm" 4
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"dfd" "dfd" 0, 1, 2, 3, 4
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"xfi_phy0_i2c0" "i2c" 0, 1
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"xfi_phy1_i2c0" "i2c" 0, 1
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"xfi_phy_pll_i2c0" "i2c" 3, 4
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"xfi_phy_pll_i2c1" "i2c" 3, 4
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"i2c0_0" "i2c" 5, 6
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"i2c1_sfp" "i2c" 5, 6
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"xfi_pextp_phy0_i2c" "i2c" 5, 6
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"xfi_pextp_phy1_i2c" "i2c" 5, 6
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"i2c0_1" "i2c" 15, 16
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"u30_phy_i2c0" "i2c" 15, 16
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"u32_phy_i2c0" "i2c" 15, 16
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"xfi_phy0_i2c1" "i2c" 15, 16
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"xfi_phy1_i2c1" "i2c" 15, 16
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"xfi_phy_pll_i2c2" "i2c" 15, 16
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"i2c1_0" "i2c" 17, 18
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"u30_phy_i2c1" "i2c" 17, 18
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"u32_phy_i2c1" "i2c" 17, 18
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"xfi_phy_pll_i2c3" "i2c" 17, 18
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"sgmii0_i2c" "i2c" 17, 18
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"sgmii1_i2c" "i2c" 17, 18
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"i2c1_2" "i2c" 69, 70
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"i2c2_0" "i2c" 69, 70
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"i2c2_1" "i2c" 71, 72
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"mdc_mdio0" "eth" 5, 6
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"2p5g_ext_mdio" "eth" 28, 29
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"gbe_ext_mdio" "eth" 30, 31
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"mdc_mdio1" "eth" 69, 70
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"pcie_wake_n0_0" "pcie" 7
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"pcie_clk_req_n0_0" "pcie" 8
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"pcie_wake_n3_0" "pcie" 9
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"pcie_clk_req_n3" "pcie" 10
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"pcie_clk_req_n0_1" "pcie" 10
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"pcie_p0_phy_i2c" "pcie" 7, 8
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"pcie_p1_phy_i2c" "pcie" 7, 8
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"pcie_p3_phy_i2c" "pcie" 9, 10
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"pcie_p2_phy_i2c" "pcie" 7, 8
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"ckm_phy_i2c" "pcie" 9, 10
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"pcie_wake_n0_1" "pcie" 13
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"pcie_wake_n3_1" "pcie" 14
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"pcie_2l_0_pereset" "pcie" 19
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"pcie_1l_1_pereset" "pcie" 20
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"pcie_clk_req_n2_1" "pcie" 63
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"pcie_2l_1_pereset" "pcie" 73
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"pcie_1l_0_pereset" "pcie" 74
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"pcie_wake_n1_0" "pcie" 75
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"pcie_clk_req_n1" "pcie" 76
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"pcie_wake_n2_0" "pcie" 77
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"pcie_clk_req_n2_0" "pcie" 78
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"pcie_wake_n2_1" "pcie" 79
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"pmic" "pmic" 11
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"watchdog" "watchdog" 12
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"spi0_wp_hold" "spi" 22, 23
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"spi0" "spi" 24, 25, 26, 27
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"spi1" "spi" 28, 29, 30, 31
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"spi2" "spi" 32, 33, 34, 35
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"spi2_wp_hold" "spi" 36, 37
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"snfi" "flash" 22, 23, 24, 25, 26, 27
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"emmc_45" "flash" 21, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37
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"sdcard" "flash" 32, 33, 34, 35, 36, 37
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"emmc_51" "flash" 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49
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"uart2" "uart" 0, 1, 2, 3
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"tops_uart0_0" "uart" 22, 23
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"uart2_0" "uart" 28, 29, 30, 31
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"uart1_0" "uart" 32, 33, 34, 35
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"uart2_1" "uart" 32, 33, 34, 35
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"net_wo0_uart_txd_0" "uart" 28
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"net_wo1_uart_txd_0" "uart" 29
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"net_wo2_uart_txd_0" "uart" 30
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"tops_uart1_0" "uart" 28, 29
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"tops_uart0_1" "uart" 30, 31
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"tops_uart1_1" "uart" 36, 37
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"uart0" "uart" 55, 56
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"tops_uart0_2" "uart" 55, 56
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"uart2_2" "uart" 50, 51, 52, 53
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"uart1_1" "uart" 58, 59, 60, 61
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"uart2_3" "uart" 58, 59, 60, 61
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"uart1_2" "uart" 80, 81, 82, 83
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"uart1_2_lite" "uart" 80, 81
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"tops_uart1_2" "uart" 80, 81
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"net_wo0_uart_txd_1" "uart" 80
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"net_wo1_uart_txd_1" "uart" 81
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"net_wo2_uart_txd_1" "uart" 82
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"udi" "udi" 32, 33, 34, 35, 36
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"i2s" "audio" 50, 51, 52, 53, 54
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"pcm" "audio" 50, 51, 52, 53
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"gbe0_led1" "led" 58
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"gbe1_led1" "led" 59
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"gbe2_led1" "led" 60
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"gbe3_led1" "led" 61
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"2p5gbe_led1" "led" 62
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"gbe0_led0" "led" 64
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"gbe1_led0" "led" 65
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"gbe2_led0" "led" 66
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"gbe3_led0" "led" 67
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"2p5gbe_led0" "led" 68
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"drv_vbus_p1" "usb" 63
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"drv_vbus" "usb" 79
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properties:
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function:
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description:
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A string containing the name of the function to mux to the group.
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enum: [audio, dfd, eth, flash, i2c, int_usxgmii, jtag, led, pcie, pmic, pwm, spi,
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uart, udi, usb, watchdog]
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groups:
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description:
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An array of strings. Each string contains the name of a group.
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required:
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- function
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- groups
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allOf:
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- if:
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properties:
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function:
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const: audio
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then:
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properties:
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groups:
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enum: [i2s, pcm]
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- if:
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properties:
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function:
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const: jtag
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then:
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properties:
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groups:
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enum: [jtag, tops_jtag0_0, tops_jtag0_1, wo0_jtag, wo1_jtag, wo2_jtag]
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- if:
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properties:
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function:
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const: int_usxgmii
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then:
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properties:
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groups:
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const: int_usxgmii
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- if:
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properties:
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function:
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const: dfd
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then:
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properties:
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groups:
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const: dfd
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- if:
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properties:
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function:
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const: flash
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then:
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properties:
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groups:
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enum: [emmc_45, emmc_51, sdcard, snfi]
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- if:
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properties:
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function:
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const: eth
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then:
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properties:
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groups:
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enum: [2p5g_ext_mdio, gbe_ext_mdio, mdc_mdio0, mdc_mdio1]
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- if:
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properties:
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function:
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const: i2c
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then:
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properties:
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groups:
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enum: [xfi_phy0_i2c0, xfi_phy1_i2c0, xfi_phy_pll_i2c0,
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xfi_phy_pll_i2c1, i2c0_0, i2c1_sfp, xfi_pextp_phy0_i2c,
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xfi_pextp_phy1_i2c, i2c0_1, u30_phy_i2c0, u32_phy_i2c0,
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xfi_phy0_i2c1, xfi_phy1_i2c1, xfi_phy_pll_i2c2, i2c1_0,
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u30_phy_i2c1, u32_phy_i2c1, xfi_phy_pll_i2c3, sgmii0_i2c,
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sgmii1_i2c, i2c1_2, i2c2_0, i2c2_1]
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- if:
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properties:
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function:
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const: led
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then:
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properties:
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groups:
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enum: [2p5gbe_led0, 2p5gbe_led1, gbe0_led0, gbe0_led1, gbe1_led0, gbe1_led1,
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gbe2_led0, gbe2_led1, gbe3_led0, gbe3_led1, wf5g_led0, wf5g_led1]
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- if:
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properties:
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function:
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const: pcie
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then:
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properties:
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groups:
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items:
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enum: [pcie_wake_n0_0, pcie_clk_req_n0_0, pcie_wake_n3_0,
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pcie_clk_req_n3, pcie_p0_phy_i2c, pcie_p1_phy_i2c,
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pcie_p3_phy_i2c, pcie_p2_phy_i2c, ckm_phy_i2c,
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pcie_wake_n0_1, pcie_wake_n3_1, pcie_2l_0_pereset,
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pcie_1l_1_pereset, pcie_clk_req_n2_1, pcie_2l_1_pereset,
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pcie_1l_0_pereset, pcie_wake_n1_0, pcie_clk_req_n1,
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pcie_wake_n2_0, pcie_clk_req_n2_0, pcie_wake_n2_1,
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pcie_clk_req_n0_1]
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maxItems: 3
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- if:
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properties:
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function:
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const: pmic
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then:
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properties:
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groups:
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const: pmic
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- if:
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properties:
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function:
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const: pwm
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then:
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properties:
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groups:
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items:
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enum: [pwm0, pwm1, pwm2, pwm2_0, pwm3, pwm3_0, pwm4, pwm4_0, pwm5, pwm5_0,
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pwm6, pwm6_0, pwm7, pwm7_0]
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maxItems: 2
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- if:
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properties:
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function:
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const: spi
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then:
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properties:
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groups:
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items:
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enum: [spi0, spi0_wp_hold, spi1, spi2, spi2_wp_hold]
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maxItems: 2
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- if:
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properties:
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function:
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const: uart
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then:
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properties:
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groups:
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items:
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enum: [net_wo0_uart_txd_0, net_wo0_uart_txd_1, net_wo1_uart_txd_0,
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net_wo1_uart_txd_1, net_wo2_uart_txd_0, net_wo2_uart_txd_1,
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tops_uart0_0, tops_uart0_1, tops_uart0_2, tops_uart1_0,
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tops_uart1_1, tops_uart1_2, uart0, uart1_0, uart1_1, uart1_2,
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uart1_2_lite, uart2, uart2_0, uart2_1, uart2_3]
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maxItems: 2
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- if:
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properties:
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function:
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const: watchdog
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then:
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properties:
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groups:
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const: watchdog
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- if:
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properties:
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function:
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const: udi
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then:
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properties:
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groups:
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const: udi
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- if:
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properties:
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function:
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const: usb
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then:
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properties:
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groups:
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items:
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enum: [drv_vbus, drv_vbus_p1]
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maxItems: 1
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patternProperties:
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'^conf(-[-a-z]*)?$':
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type: object
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additionalProperties: false
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description:
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pinconf configuration nodes.
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$ref: /schemas/pinctrl/pincfg-node.yaml
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properties:
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pins:
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description:
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An array of strings. Each string contains the name of a pin.
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items:
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enum: [UART2_RXD, UART2_TXD, UART2_CTS, UART2_RTS, GPIO_A, SMI_0_MDC,
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SMI_0_MDIO, PCIE30_2L_0_WAKE_N, PCIE30_2L_0_CLKREQ_N,
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PCIE30_1L_1_WAKE_N, PCIE30_1L_1_CLKREQ_N, GPIO_P, WATCHDOG,
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GPIO_RESET, GPIO_WPS, PMIC_I2C_SCL, PMIC_I2C_SDA, I2C_1_SCL,
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I2C_1_SDA, PCIE30_2L_0_PRESET_N, PCIE30_1L_1_PRESET_N, PWMD1,
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SPI0_WP, SPI0_HOLD, SPI0_CSB, SPI0_MISO, SPI0_MOSI, SPI0_CLK,
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SPI1_CSB, SPI1_MISO, SPI1_MOSI, SPI1_CLK, SPI2_CLK, SPI2_MOSI,
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SPI2_MISO, SPI2_CSB, SPI2_HOLD, SPI2_WP, EMMC_RSTB, EMMC_DSL,
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EMMC_CK, EMMC_CMD, EMMC_DATA_7, EMMC_DATA_6, EMMC_DATA_5,
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EMMC_DATA_4, EMMC_DATA_3, EMMC_DATA_2, EMMC_DATA_1,
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EMMC_DATA_0, PCM_FS_I2S_LRCK, PCM_CLK_I2S_BCLK,
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PCM_DRX_I2S_DIN, PCM_DTX_I2S_DOUT, PCM_MCK_I2S_MCLK,
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UART0_RXD, UART0_TXD, PWMD0, JTAG_JTDI, JTAG_JTDO, JTAG_JTMS,
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JTAG_JTCLK, JTAG_JTRST_N, USB_DRV_VBUS_P1, LED_A, LED_B, LED_C,
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LED_D, LED_E, GPIO_B, GPIO_C, I2C_2_SCL, I2C_2_SDA,
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PCIE30_2L_1_PRESET_N, PCIE30_1L_0_PRESET_N,
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PCIE30_2L_1_WAKE_N, PCIE30_2L_1_CLKREQ_N,
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PCIE30_1L_0_WAKE_N, PCIE30_1L_0_CLKREQ_N, USB_DRV_VBUS_P0,
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UART1_RXD, UART1_TXD, UART1_CTS, UART1_RTS]
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maxItems: 84
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bias-disable: true
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bias-pull-up:
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oneOf:
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- type: boolean
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description: normal pull up.
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- enum: [100, 101, 102, 103]
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description:
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PUPD/R1/R0 pull down type. See MTK_PUPD_SET_R1R0 defines in
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dt-bindings/pinctrl/mt65xx.h.
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bias-pull-down:
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oneOf:
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- type: boolean
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description: normal pull down.
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- enum: [100, 101, 102, 103]
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description:
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PUPD/R1/R0 pull down type. See MTK_PUPD_SET_R1R0 defines in
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dt-bindings/pinctrl/mt65xx.h.
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input-enable: true
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input-disable: true
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|
output-enable: true
|
|
|
|
output-low: true
|
|
|
|
output-high: true
|
|
|
|
input-schmitt-enable: true
|
|
|
|
input-schmitt-disable: true
|
|
|
|
drive-strength:
|
|
enum: [2, 4, 6, 8, 10, 12, 14, 16]
|
|
|
|
mediatek,pull-up-adv:
|
|
description: |
|
|
Valid arguments for 'mediatek,pull-up-adv' are '0', '1', '2', '3'
|
|
Pull up settings for 2 pull resistors, R0 and R1. Valid arguments
|
|
are described as below:
|
|
0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled.
|
|
1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled.
|
|
2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled.
|
|
3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled.
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
enum: [0, 1, 2, 3]
|
|
|
|
mediatek,pull-down-adv:
|
|
description: |
|
|
Valid arguments for 'mediatek,pull-up-adv' are '0', '1', '2', '3'
|
|
Pull down settings for 2 pull resistors, R0 and R1. Valid arguments
|
|
are described as below:
|
|
0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled.
|
|
1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled.
|
|
2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled.
|
|
3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled.
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
enum: [0, 1, 2, 3]
|
|
|
|
required:
|
|
- pins
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
#include <dt-bindings/pinctrl/mt65xx.h>
|
|
|
|
soc {
|
|
#address-cells = <2>;
|
|
#size-cells = <2>;
|
|
|
|
pio: pinctrl@1001f000 {
|
|
compatible = "mediatek,mt7988-pinctrl";
|
|
reg = <0 0x1001f000 0 0x1000>,
|
|
<0 0x11c10000 0 0x1000>,
|
|
<0 0x11d00000 0 0x1000>,
|
|
<0 0x11d20000 0 0x1000>,
|
|
<0 0x11e00000 0 0x1000>,
|
|
<0 0x11f00000 0 0x1000>,
|
|
<0 0x1000b000 0 0x1000>;
|
|
reg-names = "gpio", "iocfg_tr",
|
|
"iocfg_br", "iocfg_rb",
|
|
"iocfg_lb", "iocfg_tl", "eint";
|
|
gpio-controller;
|
|
#gpio-cells = <2>;
|
|
gpio-ranges = <&pio 0 0 84>;
|
|
interrupt-controller;
|
|
interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH>;
|
|
interrupt-parent = <&gic>;
|
|
#interrupt-cells = <2>;
|
|
|
|
i2c0_pins: i2c0-g0-pins {
|
|
mux {
|
|
function = "i2c";
|
|
groups = "i2c0_1";
|
|
};
|
|
};
|
|
|
|
mdio0_pins: mdio0-pins {
|
|
mux {
|
|
function = "eth";
|
|
groups = "mdc_mdio0";
|
|
};
|
|
|
|
conf {
|
|
pins = "SMI_0_MDC", "SMI_0_MDIO";
|
|
drive-strength = <8>;
|
|
};
|
|
};
|
|
|
|
mmc0_pins_emmc_51: mmc0-emmc-51-pins {
|
|
mux {
|
|
function = "flash";
|
|
groups = "emmc_51";
|
|
};
|
|
};
|
|
|
|
mmc0_pins_sdcard: mmc0-sdcard-pins {
|
|
mux {
|
|
function = "flash";
|
|
groups = "sdcard";
|
|
};
|
|
};
|
|
|
|
pcie0_pins: pcie0-pins {
|
|
mux {
|
|
function = "pcie";
|
|
groups = "pcie_2l_0_pereset", "pcie_clk_req_n0_0",
|
|
"pcie_wake_n0_0";
|
|
};
|
|
};
|
|
|
|
pcie1_pins: pcie1-pins {
|
|
mux {
|
|
function = "pcie";
|
|
groups = "pcie_2l_1_pereset", "pcie_clk_req_n1",
|
|
"pcie_wake_n1_0";
|
|
};
|
|
};
|
|
|
|
pcie2_pins: pcie2-pins {
|
|
mux {
|
|
function = "pcie";
|
|
groups = "pcie_1l_0_pereset", "pcie_clk_req_n2_0",
|
|
"pcie_wake_n2_0";
|
|
};
|
|
};
|
|
|
|
pcie3_pins: pcie3-pins {
|
|
mux {
|
|
function = "pcie";
|
|
groups = "pcie_1l_1_pereset", "pcie_clk_req_n3",
|
|
"pcie_wake_n3_0";
|
|
};
|
|
};
|
|
|
|
uart0_pins: uart0-pins {
|
|
mux {
|
|
function = "uart";
|
|
groups = "uart0";
|
|
};
|
|
};
|
|
};
|
|
};
|