diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml b/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml deleted file mode 100644 index dc379f3ebf24..000000000000 --- a/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml +++ /dev/null @@ -1,193 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause -%YAML 1.2 ---- -$id: http://devicetree.org/schemas/mfd/gateworks-gsc.yaml# -$schema: http://devicetree.org/meta-schemas/core.yaml# - -title: Gateworks System Controller - -description: | - The Gateworks System Controller (GSC) is a device present across various - Gateworks product families that provides a set of system related features - such as the following (refer to the board hardware user manuals to see what - features are present) - - Watchdog Timer - - GPIO - - Pushbutton controller - - Hardware monitor with ADC's for temperature and voltage rails and - fan controller - -maintainers: - - Tim Harvey <tharvey@gateworks.com> - -properties: - $nodename: - pattern: "gsc@[0-9a-f]{1,2}" - compatible: - const: gw,gsc - - reg: - description: I2C device address - maxItems: 1 - - interrupts: - maxItems: 1 - - interrupt-controller: true - - "#interrupt-cells": - const: 1 - - "#address-cells": - const: 1 - - "#size-cells": - const: 0 - - adc: - type: object - additionalProperties: false - description: Optional hardware monitoring module - - properties: - compatible: - const: gw,gsc-adc - - "#address-cells": - const: 1 - - "#size-cells": - const: 0 - - patternProperties: - "^channel@[0-9a-f]+$": - type: object - additionalProperties: false - description: | - Properties for a single ADC which can report cooked values - (i.e. temperature sensor based on thermister), raw values - (i.e. voltage rail with a pre-scaling resistor divider). - - properties: - reg: - description: Register of the ADC - maxItems: 1 - - label: - description: Name of the ADC input - - gw,mode: - description: | - conversion mode: - 0 - temperature, in C*10 - 1 - pre-scaled 24-bit voltage value - 2 - scaled voltage based on an optional resistor divider - and optional offset - 3 - pre-scaled 16-bit voltage value - 4 - fan tach input to report RPM's - $ref: /schemas/types.yaml#/definitions/uint32 - enum: [0, 1, 2, 3, 4] - - gw,voltage-divider-ohms: - description: Values of resistors for divider on raw ADC input - maxItems: 2 - items: - minimum: 1000 - maximum: 1000000 - - gw,voltage-offset-microvolt: - description: | - A positive voltage offset to apply to a raw ADC - (i.e. to compensate for a diode drop). - minimum: 0 - maximum: 1000000 - - required: - - gw,mode - - reg - - label - - required: - - compatible - - "#address-cells" - - "#size-cells" - -patternProperties: - "^fan-controller@[0-9a-f]+$": - type: object - additionalProperties: false - description: Optional fan controller - - properties: - compatible: - const: gw,gsc-fan - - reg: - description: The fan controller base address - maxItems: 1 - - required: - - compatible - - reg - -required: - - compatible - - reg - - interrupts - - interrupt-controller - - "#interrupt-cells" - - "#address-cells" - - "#size-cells" - -additionalProperties: false - -examples: - - | - #include <dt-bindings/gpio/gpio.h> - #include <dt-bindings/interrupt-controller/irq.h> - i2c { - #address-cells = <1>; - #size-cells = <0>; - - gsc@20 { - compatible = "gw,gsc"; - reg = <0x20>; - interrupt-parent = <&gpio1>; - interrupts = <4 IRQ_TYPE_LEVEL_LOW>; - interrupt-controller; - #interrupt-cells = <1>; - #address-cells = <1>; - #size-cells = <0>; - - adc { - compatible = "gw,gsc-adc"; - #address-cells = <1>; - #size-cells = <0>; - - channel@0 { /* A0: Board Temperature */ - reg = <0x00>; - label = "temp"; - gw,mode = <0>; - }; - - channel@2 { /* A1: Input Voltage (raw ADC) */ - reg = <0x02>; - label = "vdd_vin"; - gw,mode = <1>; - gw,voltage-divider-ohms = <22100 1000>; - gw,voltage-offset-microvolt = <800000>; - }; - - channel@b { /* A2: Battery voltage */ - reg = <0x0b>; - label = "vdd_bat"; - gw,mode = <1>; - }; - }; - - fan-controller@2c { - compatible = "gw,gsc-fan"; - reg = <0x2c>; - }; - }; - }; |
