diff options
Diffstat (limited to 'Documentation/devicetree/bindings/power/reset')
| -rw-r--r-- | Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml | 42 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/power/reset/toradex,smarc-ec.yaml | 52 |
2 files changed, 82 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml index 19d3093e6cd2..ccd555870094 100644 --- a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml +++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml @@ -21,7 +21,9 @@ description: |+ properties: compatible: - const: syscon-reboot + enum: + - syscon-reboot + - google,gs101-reboot mask: $ref: /schemas/types.yaml#/definitions/uint32 @@ -49,12 +51,6 @@ properties: priority: default: 192 -oneOf: - - required: - - offset - - required: - - reg - required: - compatible @@ -63,12 +59,29 @@ additionalProperties: false allOf: - $ref: restart-handler.yaml# - if: - not: - required: - - mask + properties: + compatible: + contains: + const: google,gs101-reboot then: - required: - - value + properties: + mask: false + offset: false + reg: false + value: false + + else: + if: + not: + required: + - mask + then: + required: + - value + + oneOf: + - required: [offset] + - required: [reg] examples: - | @@ -78,3 +91,8 @@ examples: offset = <0x0>; mask = <0x1>; }; + + - | + reboot { + compatible = "google,gs101-reboot"; + }; diff --git a/Documentation/devicetree/bindings/power/reset/toradex,smarc-ec.yaml b/Documentation/devicetree/bindings/power/reset/toradex,smarc-ec.yaml new file mode 100644 index 000000000000..ffcd5f2c2bf6 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/toradex,smarc-ec.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/reset/toradex,smarc-ec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Toradex Embedded Controller + +maintainers: + - Emanuele Ghidoli <emanuele.ghidoli@toradex.com> + - Francesco Dolcini <francesco.dolcini@toradex.com> + +description: | + The Toradex Embedded Controller (EC) is used on Toradex SMARC modules, + primarily to manage power and reset functionalities. + + The EC provides the following functions: + - Reads the SMARC POWER_BTN# and RESET_IN# signals and controls the PMIC accordingly. + - Controls the SoC boot mode signals based on the SMARC BOOT_SEL# and FORCE_RECOV# inputs. + - Manages the CARRIER_STDBY# signal in response to relevant SoC signals. + + The EC runs a small firmware, factory programmed into its internal flash, and communicates over I2C. + It allows software to control power-off and reset functionalities of the module. + +properties: + compatible: + items: + - enum: + - toradex,smarc-imx95-ec + - toradex,smarc-imx8mp-ec + - const: toradex,smarc-ec + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + reset-controller@28 { + compatible = "toradex,smarc-imx95-ec", "toradex,smarc-ec"; + reg = <0x28>; + }; + }; |