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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/airoha,en7581-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha EN7581 Pin Controller
+
+maintainers:
+ - Lorenzo Bianconi <lorenzo@kernel.org>
+
+description:
+ The Airoha's EN7581 Pin controller is used to control SoC pins.
+
+allOf:
+ - $ref: pinctrl.yaml#
+
+properties:
+ compatible:
+ enum:
+ - airoha,en7581-pinctrl
+
+ reg:
+ items:
+ - description: IOMUX base address
+ - description: LED IOMUX base address
+ - description: GPIO flash mode base address
+ - description: GPIO flash mode extended base address
+ - description: IO pin configuration base address
+ - description: PCIE reset open-drain base address
+ - description: GPIO bank0 register base address
+ - description: GPIO bank0 second control register base address
+ - description: GPIO bank1 second control register base address
+ - description: GPIO bank1 register base address
+
+ reg-names:
+ items:
+ - const: iomux
+ - const: led-iomux
+ - const: gpio-flash-mode
+ - const: gpio-flash-mode-ext
+ - const: ioconf
+ - const: pcie-rst-od
+ - const: gpio-bank0
+ - const: gpio-ctrl1
+ - const: gpio-ctrl2
+ - const: gpio-bank1
+
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+ description:
+ Number of cells in GPIO specifier. Since the generic GPIO binding is
+ used, the amount of cells must be specified as 2. See the below mentioned
+ gpio binding representation for description of particular cells.
+
+ gpio-ranges:
+ maxItems: 1
+ description:
+ GPIO valid number range.
+
+ interrupt-controller: true
+
+ interrupts:
+ maxItems: 1
+
+ "#interrupt-cells":
+ const: 2
+
+patternProperties:
+ '-pins$':
+ 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: [pon, tod_1pps, sipo, mdio, uart, i2c, jtag, pcm, spi,
+ pcm_spi, i2s, emmc, pnand, pcie_reset, pwm, phy1_led0,
+ phy2_led0, phy3_led0, phy4_led0, phy1_led1, phy2_led1,
+ phy3_led1, phy4_led1]
+ groups:
+ description:
+ An array of strings. Each string contains the name of a group.
+ required:
+ - function
+ - groups
+
+ allOf:
+ - if:
+ properties:
+ function:
+ const: pon
+ then:
+ properties:
+ groups:
+ enum: [pon]
+ - if:
+ properties:
+ function:
+ const: tod_1pps
+ then:
+ properties:
+ groups:
+ enum: [pon_tod_1pps, gsw_tod_1pps]
+ - if:
+ properties:
+ function:
+ const: sipo
+ then:
+ properties:
+ groups:
+ enum: [sipo, sipo_rclk]
+ - if:
+ properties:
+ function:
+ const: mdio
+ then:
+ properties:
+ groups:
+ enum: [mdio]
+ - if:
+ properties:
+ function:
+ const: uart
+ then:
+ properties:
+ groups:
+ items:
+ enum: [uart2, uart2_cts_rts, hsuart, hsuart_cts_rts, uart4,
+ uart5]
+ maxItems: 2
+ - if:
+ properties:
+ function:
+ const: i2c
+ then:
+ properties:
+ groups:
+ enum: [i2c1]
+ - if:
+ properties:
+ function:
+ const: jtag
+ then:
+ properties:
+ groups:
+ enum: [jtag_udi, jtag_dfd]
+ - if:
+ properties:
+ function:
+ const: pcm
+ then:
+ properties:
+ groups:
+ enum: [pcm1, pcm2]
+ - if:
+ properties:
+ function:
+ const: spi
+ then:
+ properties:
+ groups:
+ items:
+ enum: [spi_quad, spi_cs1]
+ maxItems: 2
+ - if:
+ properties:
+ function:
+ const: pcm_spi
+ then:
+ properties:
+ groups:
+ items:
+ enum: [pcm_spi, pcm_spi_int, pcm_spi_rst, pcm_spi_cs1,
+ pcm_spi_cs2_p156, pcm_spi_cs2_p128, pcm_spi_cs3,
+ pcm_spi_cs4]
+ maxItems: 7
+ - if:
+ properties:
+ function:
+ const: i2c
+ then:
+ properties:
+ groups:
+ enum: [i2s]
+ - if:
+ properties:
+ function:
+ const: emmc
+ then:
+ properties:
+ groups:
+ enum: [emmc]
+ - if:
+ properties:
+ function:
+ const: pnand
+ then:
+ properties:
+ groups:
+ enum: [pnand]
+ - if:
+ properties:
+ function:
+ const: pcie_reset
+ then:
+ properties:
+ groups:
+ enum: [pcie_reset0, pcie_reset1, pcie_reset2]
+ - if:
+ properties:
+ function:
+ const: pwm
+ then:
+ properties:
+ groups:
+ enum: [gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6,
+ gpio7, gpio8, gpio9, gpio10, gpio11, gpio12, gpio13,
+ gpio14, gpio15, gpio16, gpio17, gpio18, gpio19,
+ gpio20, gpio21, gpio22, gpio23, gpio24, gpio25,
+ gpio26, gpio27, gpio28, gpio29, gpio30, gpio31,
+ gpio36, gpio37, gpio38, gpio39, gpio40, gpio41,
+ gpio42, gpio43, gpio44, gpio45, gpio46, gpio47]
+ - if:
+ properties:
+ function:
+ const: phy1_led0
+ then:
+ properties:
+ groups:
+ enum: [gpio33, gpio34, gpio35, gpio42]
+ - if:
+ properties:
+ function:
+ const: phy2_led0
+ then:
+ properties:
+ groups:
+ enum: [gpio33, gpio34, gpio35, gpio42]
+ - if:
+ properties:
+ function:
+ const: phy3_led0
+ then:
+ properties:
+ groups:
+ enum: [gpio33, gpio34, gpio35, gpio42]
+ - if:
+ properties:
+ function:
+ const: phy4_led0
+ then:
+ properties:
+ groups:
+ enum: [gpio33, gpio34, gpio35, gpio42]
+ - if:
+ properties:
+ function:
+ const: phy1_led1
+ then:
+ properties:
+ groups:
+ enum: [gpio43, gpio44, gpio45, gpio46]
+ - if:
+ properties:
+ function:
+ const: phy2_led1
+ then:
+ properties:
+ groups:
+ enum: [gpio43, gpio44, gpio45, gpio46]
+ - if:
+ properties:
+ function:
+ const: phy3_led1
+ then:
+ properties:
+ groups:
+ enum: [gpio43, gpio44, gpio45, gpio46]
+ - if:
+ properties:
+ function:
+ const: phy4_led1
+ then:
+ properties:
+ groups:
+ enum: [gpio43, gpio44, gpio45, gpio46]
+
+ '^.*conf.*$':
+ type: object
+ additionalProperties: false
+ description:
+ pinconf configuration nodes.
+ $ref: /schemas/pinctrl/pincfg-node.yaml
+
+ properties:
+ pins:
+ description:
+ An array of strings. Each string contains the name of a pin.
+ items:
+ enum: [uart1_txd, uart1_rxd, i2c_scl, i2c_sda, spi_cs0, spi_clk,
+ spi_mosi, spi_miso, gpio0, gpio1, gpio2, gpio3, gpio4,
+ gpio5, gpio6, gpio7, gpio8, gpio9, gpio10, gpio11, gpio12,
+ gpio13, gpio14, gpio15, gpio16, gpio17, gpio18, gpio19,
+ gpio20, gpio21, gpio22, gpio23, gpio24, gpio25, gpio26,
+ gpio27, gpio28, gpio29, gpio30, gpio31, gpio32, gpio33,
+ gpio34, gpio35, gpio36, gpio37, gpio38, gpio39, gpio40,
+ gpio41, gpio42, gpio43, gpio44, gpio45, gpio46,
+ pcie_reset0, pcie_reset1, pcie_reset2]
+ minItems: 1
+ maxItems: 58
+
+ bias-disable: true
+ bias-pull-up: true
+ bias-pull-down: true
+ input-enable: true
+ output-enable: true
+ output-low: true
+ output-high: true
+ drive-open-drain: true
+
+ drive-strength:
+ description:
+ Selects the drive strength for MIO pins, in mA.
+ enum: [2, 4, 6, 8]
+
+ required:
+ - pins
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - gpio-controller
+ - "#gpio-cells"
+
+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@1fa20214 {
+ compatible = "airoha,en7581-pinctrl";
+ reg = <0x0 0x1fa20214 0x0 0x30>,
+ <0x0 0x1fa2027c 0x0 0x8>,
+ <0x0 0x1fbf0234 0x0 0x4>,
+ <0x0 0x1fbf0268 0x0 0x4>,
+ <0x0 0x1fa2001c 0x0 0x50>,
+ <0x0 0x1fa2018c 0x0 0x4>,
+ <0x0 0x1fbf0200 0x0 0x18>,
+ <0x0 0x1fbf0220 0x0 0x4>,
+ <0x0 0x1fbf0260 0x0 0x8>,
+ <0x0 0x1fbf0270 0x0 0x28>;
+ reg-names = "iomux", "led-iomux",
+ "gpio-flash-mode", "gpio-flash-mode-ext",
+ "ioconf", "pcie-rst-od",
+ "gpio-bank0", "gpio-ctrl1",
+ "gpio-ctrl2", "gpio-bank1";
+
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&pio 0 13 47>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+
+ pcie1-rst-pins {
+ conf {
+ pins = "pcie_reset1";
+ drive-open-drain = <1>;
+ };
+ };
+
+ pwm-pins {
+ mux {
+ function = "pwm";
+ groups = "gpio18";
+ };
+ };
+
+ spi-pins {
+ mux {
+ function = "spi";
+ groups = "spi_quad", "spi_cs1";
+ };
+ };
+
+ uart2-pins {
+ mux {
+ function = "uart";
+ groups = "uart2", "uart2_cts_rts";
+ };
+ };
+
+ uar5-pins {
+ mux {
+ function = "uart";
+ groups = "uart5";
+ };
+ };
+
+ mmc-pins {
+ mux {
+ function = "emmc";
+ groups = "emmc";
+ };
+ };
+
+ mdio-pins {
+ mux {
+ function = "mdio";
+ groups = "mdio";
+ };
+
+ conf {
+ pins = "gpio2";
+ output-enable;
+ };
+ };
+
+ gswp1-led0-pins {
+ mux {
+ function = "phy1_led0";
+ groups = "gpio33";
+ };
+ };
+
+ gswp2-led1-pins {
+ mux {
+ function = "phy2_led1";
+ groups = "gpio44";
+ };
+ };
+ };
+ };
Introduce device-tree binding documentation for Airoha EN7581 pinctrl controller. Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- .../bindings/pinctrl/airoha,en7581-pinctrl.yaml | 454 +++++++++++++++++++++ 1 file changed, 454 insertions(+)