diff options
Diffstat (limited to 'dts/Bindings/pinctrl/mediatek,mt7986-pinctrl.yaml')
| -rw-r--r-- | dts/Bindings/pinctrl/mediatek,mt7986-pinctrl.yaml | 216 |
1 files changed, 156 insertions, 60 deletions
diff --git a/dts/Bindings/pinctrl/mediatek,mt7986-pinctrl.yaml b/dts/Bindings/pinctrl/mediatek,mt7986-pinctrl.yaml index 4eadea55df..5ad65135fe 100644 --- a/dts/Bindings/pinctrl/mediatek,mt7986-pinctrl.yaml +++ b/dts/Bindings/pinctrl/mediatek,mt7986-pinctrl.yaml @@ -4,12 +4,12 @@ $id: http://devicetree.org/schemas/pinctrl/mediatek,mt7986-pinctrl.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Mediatek MT7986 Pin Controller Device Tree Bindings +title: MediaTek MT7986 Pin Controller maintainers: - Sean Wang <sean.wang@kernel.org> -description: |+ +description: The MediaTek's MT7986 Pin controller is used to control SoC pins. properties: @@ -37,15 +37,15 @@ properties: "#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. + 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: minItems: 1 maxItems: 5 - description: | + description: GPIO valid number range. interrupt-controller: true @@ -57,7 +57,7 @@ properties: const: 2 allOf: - - $ref: "pinctrl.yaml#" + - $ref: pinctrl.yaml# required: - compatible @@ -72,7 +72,7 @@ patternProperties: additionalProperties: false patternProperties: - '.*mux.*': + '^.*mux.*$': type: object additionalProperties: false description: | @@ -81,12 +81,14 @@ patternProperties: The following table shows the effective values of "group", "function" properties and chip pinout pins - groups function pins (in pin#) + groups function pins (in pin#) --------------------------------------------------------------------- "watchdog" "watchdog" 0 "wifi_led" "led" 1, 2 "i2c" "i2c" 3, 4 "uart1_0" "uart" 7, 8, 9, 10 + "uart1_rx_tx" "uart" 42, 43 + "uart1_cts_rts" "uart" 44, 45 "pcie_clk" "pcie" 9 "pcie_wake" "pcie" 10 "spi1_0" "spi" 11, 12, 13, 14 @@ -95,12 +97,15 @@ patternProperties: "pwm1_0" "pwm" 22, "snfi" "flash" 23, 24, 25, 26, 27, 28 "spi1_2" "spi" 29, 30, 31, 32 - "emmc_45" "emmc" 22, 23, 24, 25, 26, 27, 28, 29, 30, - 31, 32 + "emmc_45" "emmc" 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, + 32 + "spi1_1" "spi" 23, 24, 25, 26 - "uart1_2" "uart" 29, 30, 31, 32 + "uart1_2_rx_tx" "uart" 29, 30 + "uart1_2_cts_rts" "uart" 31, 32 "uart1_1" "uart" 23, 24, 25, 26 - "uart2_0" "uart" 29, 30, 31, 32 + "uart2_0_rx_tx" "uart" 29, 30 + "uart2_0_cts_rts" "uart" 31, 32 "spi0" "spi" 33, 34, 35, 36 "spi0_wp_hold" "spi" 37, 38 "uart1_3_rx_tx" "uart" 35, 36 @@ -111,28 +116,32 @@ patternProperties: "pcie_pereset" "pcie" 41 "uart1" "uart" 42, 43, 44, 45 "uart2" "uart" 46, 47, 48, 49 - "emmc_51" "emmc" 50, 51, 52, 53, 54, 55, 56, 57, 57, - 59, 60, 61 + "emmc_51" "emmc" 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, + 60, 61 + "pcm" "audio" 62, 63, 64, 65 "i2s" "audio" 62, 63, 64, 65 "switch_int" "eth" 66 "mdc_mdio" "eth" 67 + "wf_2g" "wifi" 74, 75, 76, 77, 78, 79, 80, 81, 82, 83 + "wf_5g" "wifi" 91, 92, 93, 94, 95, 96, 97, 98, 99, 100 + "wf_dbdc" "wifi" 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, + 84, 85 - $ref: "/schemas/pinctrl/pinmux-node.yaml" + $ref: /schemas/pinctrl/pinmux-node.yaml properties: function: - description: | + description: A string containing the name of the function to mux to the group. There is no "audio", "pcie" functions on mt7986b, you can only use those functions on mt7986a. enum: [audio, emmc, eth, i2c, led, flash, pcie, pwm, spi, uart, watchdog, wifi] groups: - description: | + description: An array of strings. Each string contains the name of a group. - There is no "pcie_pereset", "uart1", "uart2" "emmc_51", "pcm", - and "i2s" groups on mt7986b, you can only use those groups on - mt7986a. + There is no "pcie_pereset", "uart1", "uart2" "emmc_51", "pcm", and + "i2s" groups on mt7986b, you can only use those groups on mt7986a. required: - function - groups @@ -153,7 +162,7 @@ patternProperties: then: properties: groups: - enum: [emmc, emmc_rst] + enum: [emmc_45, emmc_51] - if: properties: function: @@ -193,7 +202,9 @@ patternProperties: then: properties: groups: - enum: [pcie_clk, pcie_wake, pcie_pereset] + items: + enum: [pcie_clk, pcie_wake, pcie_pereset] + maxItems: 3 - if: properties: function: @@ -201,7 +212,9 @@ patternProperties: then: properties: groups: - enum: [pwm0, pwm1_0, pwm1_1] + items: + enum: [pwm0, pwm1_0, pwm1_1] + maxItems: 2 - if: properties: function: @@ -209,7 +222,9 @@ patternProperties: then: properties: groups: - enum: [spi0, spi0_wp_hold, spi1_0, spi1_1, spi1_2, spi1_3] + items: + enum: [spi0, spi0_wp_hold, spi1_0, spi1_1, spi1_2, spi1_3] + maxItems: 2 - if: properties: function: @@ -217,8 +232,12 @@ patternProperties: then: properties: groups: - enum: [uart1_0, uart1_1, uart1_2, uart1_3_rx_tx, - uart1_3_cts_rts, uart2_0, uart2_1, uart0, uart1, uart2] + items: + enum: [uart1_0, uart1_rx_tx, uart1_cts_rts, uart1_1, + uart1_2_rx_tx, uart1_2_cts_rts, uart1_3_rx_tx, + uart1_3_cts_rts, uart2_0_rx_tx, uart2_0_cts_rts, + uart2_1, uart0, uart1, uart2] + maxItems: 2 - if: properties: function: @@ -234,45 +253,64 @@ patternProperties: then: properties: groups: - enum: [wf_2g, wf_5g, wf_dbdc] - '.*conf.*': + items: + enum: [wf_2g, wf_5g, wf_dbdc] + maxItems: 3 + '^.*conf.*$': type: object additionalProperties: false - description: | + description: pinconf configuration nodes. - $ref: "/schemas/pinctrl/pincfg-node.yaml" + $ref: /schemas/pinctrl/pincfg-node.yaml properties: pins: - description: | - An array of strings. Each string contains the name of a pin. - There is no PIN 41 to PIN 65 above on mt7686b, you can only use - those pins on mt7986a. - enum: [SYS_WATCHDOG, WF2G_LED, WF5G_LED, I2C_SCL, I2C_SDA, GPIO_0, - GPIO_1, GPIO_2, GPIO_3, GPIO_4, GPIO_5, GPIO_6, GPIO_7, - GPIO_8, GPIO_9, GPIO_10, GPIO_11, GPIO_12, GPIO_13, GPIO_14, - GPIO_15, PWM0, PWM1, SPI0_CLK, SPI0_MOSI, SPI0_MISO, SPI0_CS, - SPI0_HOLD, SPI0_WP, SPI1_CLK, SPI1_MOSI, SPI1_MISO, SPI1_CS, - SPI2_CLK, SPI2_MOSI, SPI2_MISO, SPI2_CS, SPI2_HOLD, SPI2_WP, - UART0_RXD, UART0_TXD, PCIE_PERESET_N, UART1_RXD, UART1_TXD, - UART1_CTS, UART1_RTS, UART2_RXD, UART2_TXD, UART2_CTS, - UART2_RTS, EMMC_DATA_0, EMMC_DATA_1, EMMC_DATA_2, - EMMC_DATA_3, EMMC_DATA_4, EMMC_DATA_5, EMMC_DATA_6, - EMMC_DATA_7, EMMC_CMD, EMMC_CK, EMMC_DSL, EMMC_RSTB, PCM_DTX, - PCM_DRX, PCM_CLK, PCM_FS, MT7531_INT, SMI_MDC, SMI_MDIO, - WF0_DIG_RESETB, WF0_CBA_RESETB, WF0_XO_REQ, WF0_TOP_CLK, - WF0_TOP_DATA, WF0_HB1, WF0_HB2, WF0_HB3, WF0_HB4, WF0_HB0, - WF0_HB0_B, WF0_HB5, WF0_HB6, WF0_HB7, WF0_HB8, WF0_HB9, - WF0_HB10, WF1_DIG_RESETB, WF1_CBA_RESETB, WF1_XO_REQ, - WF1_TOP_CLK, WF1_TOP_DATA, WF1_HB1, WF1_HB2, WF1_HB3, - WF1_HB4, WF1_HB0, WF1_HB0_B, WF1_HB5, WF1_HB6, WF1_HB7, - WF1_HB8] + description: + An array of strings. Each string contains the name of a pin. There + is no PIN 41 to PIN 65 above on mt7686b, you can only use those + pins on mt7986a. + items: + enum: [SYS_WATCHDOG, WF2G_LED, WF5G_LED, I2C_SCL, I2C_SDA, GPIO_0, + GPIO_1, GPIO_2, GPIO_3, GPIO_4, GPIO_5, GPIO_6, GPIO_7, + GPIO_8, GPIO_9, GPIO_10, GPIO_11, GPIO_12, GPIO_13, + GPIO_14, GPIO_15, PWM0, PWM1, SPI0_CLK, SPI0_MOSI, + SPI0_MISO, SPI0_CS, SPI0_HOLD, SPI0_WP, SPI1_CLK, + SPI1_MOSI, SPI1_MISO, SPI1_CS, SPI2_CLK, SPI2_MOSI, + SPI2_MISO, SPI2_CS, SPI2_HOLD, SPI2_WP, UART0_RXD, + UART0_TXD, PCIE_PERESET_N, UART1_RXD, UART1_TXD, UART1_CTS, + UART1_RTS, UART2_RXD, UART2_TXD, UART2_CTS, UART2_RTS, + EMMC_DATA_0, EMMC_DATA_1, EMMC_DATA_2, EMMC_DATA_3, + EMMC_DATA_4, EMMC_DATA_5, EMMC_DATA_6, EMMC_DATA_7, + EMMC_CMD, EMMC_CK, EMMC_DSL, EMMC_RSTB, PCM_DTX, PCM_DRX, + PCM_CLK, PCM_FS, MT7531_INT, SMI_MDC, SMI_MDIO, + WF0_DIG_RESETB, WF0_CBA_RESETB, WF0_XO_REQ, WF0_TOP_CLK, + WF0_TOP_DATA, WF0_HB1, WF0_HB2, WF0_HB3, WF0_HB4, WF0_HB0, + WF0_HB0_B, WF0_HB5, WF0_HB6, WF0_HB7, WF0_HB8, WF0_HB9, + WF0_HB10, WF1_DIG_RESETB, WF1_CBA_RESETB, WF1_XO_REQ, + WF1_TOP_CLK, WF1_TOP_DATA, WF1_HB1, WF1_HB2, WF1_HB3, + WF1_HB4, WF1_HB0, WF1_HB0_B, WF1_HB5, WF1_HB6, WF1_HB7, + WF1_HB8] + maxItems: 101 bias-disable: true - bias-pull-up: true - - bias-pull-down: true + bias-pull-up: + oneOf: + - type: boolean + description: normal pull up. + - enum: [100, 101, 102, 103] + description: + PUPD/R1/R0 pull down type. See MTK_PUPD_SET_R1R0 defines in + dt-bindings/pinctrl/mt65xx.h. + + bias-pull-down: + oneOf: + - type: boolean + description: normal pull down. + - enum: [100, 101, 102, 103] + description: + PUPD/R1/R0 pull down type. See MTK_PUPD_SET_R1R0 defines in + dt-bindings/pinctrl/mt65xx.h. input-enable: true @@ -294,7 +332,7 @@ patternProperties: mediatek,pull-up-adv: description: | Valid arguments for 'mediatek,pull-up-adv' are '0', '1', '2', '3' - Pull up setings for 2 pull resistors, R0 and R1. Valid arguments + 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. @@ -306,7 +344,7 @@ patternProperties: mediatek,pull-down-adv: description: | Valid arguments for 'mediatek,pull-up-adv' are '0', '1', '2', '3' - Pull down setings for 2 pull resistors, R0 and R1. Valid arguments + 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. @@ -324,6 +362,7 @@ 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>; @@ -348,6 +387,27 @@ examples: interrupt-parent = <&gic>; #interrupt-cells = <2>; + pcie_pins: pcie-pins { + mux { + function = "pcie"; + groups = "pcie_clk", "pcie_wake", "pcie_pereset"; + }; + }; + + pwm_pins: pwm-pins { + mux { + function = "pwm"; + groups = "pwm0", "pwm1_0"; + }; + }; + + spi0_pins: spi0-pins { + mux { + function = "spi"; + groups = "spi0", "spi0_wp_hold"; + }; + }; + uart1_pins: uart1-pins { mux { function = "uart"; @@ -355,6 +415,13 @@ examples: }; }; + uart1_3_pins: uart1-3-pins { + mux { + function = "uart"; + groups = "uart1_3_rx_tx", "uart1_3_cts_rts"; + }; + }; + uart2_pins: uart2-pins { mux { function = "uart"; @@ -362,5 +429,34 @@ examples: }; }; + mmc0_pins_default: mmc0-pins { + mux { + function = "emmc"; + groups = "emmc_51"; + }; + conf-cmd-dat { + pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2", + "EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5", + "EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD"; + input-enable; + drive-strength = <4>; + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */ + }; + conf-clk { + pins = "EMMC_CK"; + drive-strength = <6>; + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */ + }; + conf-ds { + pins = "EMMC_DSL"; + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */ + }; + conf-rst { + pins = "EMMC_RSTB"; + drive-strength = <4>; + bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */ + }; + }; + }; }; |