diff options
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/google,cros-ec.yaml | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml index 659d3f64b550..3d5efa5578d1 100644 --- a/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml +++ b/Documentation/devicetree/bindings/mfd/google,cros-ec.yaml @@ -26,6 +26,11 @@ properties: For implementations of the EC connected through SPI. const: google,cros-ec-spi - description: + For implementations of the FPMCU connected through SPI. + items: + - const: google,cros-ec-fp + - const: google,cros-ec-spi + - description: For implementations of the EC connected through RPMSG. const: google,cros-ec-rpmsg @@ -67,6 +72,15 @@ properties: interrupts: maxItems: 1 + reset-gpios: + maxItems: 1 + + boot0-gpios: + maxItems: 1 + description: Assert for bootloader mode. + + vdd-supply: true + wakeup-source: description: Button can wake-up the system. @@ -177,6 +191,41 @@ allOf: - reg - interrupts + - if: + properties: + compatible: + contains: + const: google,cros-ec-fp + then: + properties: + '#address-cells': false + '#size-cells': false + typec: false + ec-pwm: false + kbd-led-backlight: false + keyboard-controller: false + proximity: false + codecs: false + cbas: false + + patternProperties: + "^i2c-tunnel[0-9]*$": false + "^regulator@[0-9]+$": false + "^extcon[0-9]*$": false + + # Using additionalProperties: false here and + # listing true properties doesn't work + + required: + - reset-gpios + - boot0-gpios + - vdd-supply + else: + properties: + reset-gpios: false + boot0-gpios: false + vdd-supply: false + additionalProperties: false examples: @@ -232,4 +281,22 @@ examples: compatible = "google,cros-ec-rpmsg"; }; }; + + # Example for FPMCU + - | + spi0 { + #address-cells = <0x1>; + #size-cells = <0x0>; + + ec@0 { + compatible = "google,cros-ec-fp", "google,cros-ec-spi"; + reg = <0x0>; + interrupt-parent = <&gpio_controller>; + interrupts = <4 IRQ_TYPE_LEVEL_LOW>; + spi-max-frequency = <3000000>; + reset-gpios = <&gpio_controller 5 GPIO_ACTIVE_LOW>; + boot0-gpios = <&gpio_controller 10 GPIO_ACTIVE_HIGH>; + vdd-supply = <&pp3300_fp_mcu>; + }; + }; ... |