--- /dev/null
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/embedded-controller/acer,aspire1-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Acer Aspire 1 Embedded Controller
+
+maintainers:
+ - Nikita Travkin <nikita@trvn.ru>
+
+description:
+ The Acer Aspire 1 laptop uses an embedded controller to control battery
+ and charging as well as to provide a set of misc features such as the
+ laptop lid status and HPD events for the USB Type-C DP alt mode.
+
+properties:
+ compatible:
+ const: acer,aspire1-ec
+
+ reg:
+ const: 0x76
+
+ interrupts:
+ maxItems: 1
+
+ connector:
+ $ref: /schemas/connector/usb-connector.yaml#
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ embedded-controller@76 {
+ compatible = "acer,aspire1-ec";
+ reg = <0x76>;
+
+ interrupts-extended = <&tlmm 30 IRQ_TYPE_LEVEL_LOW>;
+
+ connector {
+ compatible = "usb-c-connector";
+
+ port {
+ ec_dp_in: endpoint {
+ remote-endpoint = <&mdss_dp_out>;
+ };
+ };
+ };
+ };
+ };
--- /dev/null
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/embedded-controller/google,cros-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ChromeOS Embedded Controller
+
+maintainers:
+ - Benson Leung <bleung@chromium.org>
+ - Guenter Roeck <groeck@chromium.org>
+
+description:
+ Google's ChromeOS EC is a microcontroller which talks to the AP and
+ implements various functions such as keyboard and battery charging.
+ The EC can be connected through various interfaces (I2C, SPI, and others)
+ and the compatible string specifies which interface is being used.
+
+properties:
+ compatible:
+ oneOf:
+ - description:
+ For implementations of the EC connected through I2C.
+ const: google,cros-ec-i2c
+ - description:
+ 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
+ - description:
+ For implementations of the EC connected through UART.
+ const: google,cros-ec-uart
+
+ controller-data: true
+
+ google,cros-ec-spi-pre-delay:
+ description:
+ This property specifies the delay in usecs between the
+ assertion of the CS and the first clock pulse.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ default: 0
+
+ google,cros-ec-spi-msg-delay:
+ description:
+ This property specifies the delay in usecs between messages.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ default: 0
+
+ google,has-vbc-nvram:
+ description:
+ Some implementations of the EC include a small nvram space used to
+ store verified boot context data. This boolean flag is used to specify
+ whether this nvram is present or not.
+ type: boolean
+
+ mediatek,rpmsg-name:
+ description:
+ Must be defined if the cros-ec is a rpmsg device for a Mediatek
+ ARM Cortex M4 Co-processor. Contains the name of the rpmsg
+ device. Used to match the subnode to the rpmsg device announced by
+ the SCP.
+ $ref: /schemas/types.yaml#/definitions/string
+
+ spi-max-frequency: true
+
+ reg:
+ maxItems: 1
+
+ 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.
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ '#gpio-cells':
+ const: 2
+
+ gpio-controller: true
+
+ typec:
+ $ref: /schemas/chrome/google,cros-ec-typec.yaml#
+
+ ec-pwm:
+ $ref: /schemas/pwm/google,cros-ec-pwm.yaml#
+ deprecated: true
+
+ pwm:
+ $ref: /schemas/pwm/google,cros-ec-pwm.yaml#
+
+ keyboard-controller:
+ $ref: /schemas/input/google,cros-ec-keyb.yaml#
+
+ proximity:
+ $ref: /schemas/iio/proximity/google,cros-ec-mkbp-proximity.yaml#
+
+ codecs:
+ type: object
+ additionalProperties: false
+
+ properties:
+ '#address-cells':
+ const: 2
+
+ '#size-cells':
+ const: 1
+
+ patternProperties:
+ "^ec-codec@[a-f0-9]+$":
+ type: object
+ $ref: /schemas/sound/google,cros-ec-codec.yaml#
+
+ required:
+ - "#address-cells"
+ - "#size-cells"
+
+ cbas:
+ type: object
+
+ description:
+ This device is used to signal when a detachable base is attached
+ to a Chrome OS tablet. This device cannot be detected at runtime.
+
+ properties:
+ compatible:
+ const: google,cros-cbas
+
+ required:
+ - compatible
+
+ additionalProperties: false
+
+patternProperties:
+ "^i2c-tunnel[0-9]*$":
+ type: object
+ $ref: /schemas/i2c/google,cros-ec-i2c-tunnel.yaml#
+
+ "^regulator@[0-9]+$":
+ type: object
+ $ref: /schemas/regulator/google,cros-ec-regulator.yaml#
+
+ "^extcon[0-9]*$":
+ type: object
+ $ref: /schemas/extcon/extcon-usbc-cros-ec.yaml#
+
+required:
+ - compatible
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ not:
+ contains:
+ const: google,cros-ec-spi
+ then:
+ properties:
+ controller-data: false
+ google,cros-ec-spi-pre-delay: false
+ google,cros-ec-spi-msg-delay: false
+ spi-max-frequency: false
+ else:
+ $ref: /schemas/spi/spi-peripheral-props.yaml
+
+ - if:
+ properties:
+ compatible:
+ not:
+ contains:
+ const: google,cros-ec-rpmsg
+ then:
+ properties:
+ mediatek,rpmsg-name: false
+
+ - if:
+ properties:
+ compatible:
+ not:
+ contains:
+ enum:
+ - google,cros-ec-rpmsg
+ - google,cros-ec-uart
+ then:
+ required:
+ - reg
+ - interrupts
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: google,cros-ec-fp
+ then:
+ properties:
+ '#address-cells': false
+ '#size-cells': false
+ typec: false
+ ec-pwm: false
+ kbd-led-backlight: false
+ keyboard-controller: false
+ proximity: false
+ codecs: false
+ cbas: false
+
+ patternProperties:
+ "^i2c-tunnel[0-9]*$": 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:
+ # Example for I2C
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cros-ec@1e {
+ compatible = "google,cros-ec-i2c";
+ reg = <0x1e>;
+ interrupts = <6 0>;
+ interrupt-parent = <&gpio0>;
+ };
+ };
+
+ # Example for SPI
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cros-ec@0 {
+ compatible = "google,cros-ec-spi";
+ reg = <0x0>;
+ google,cros-ec-spi-msg-delay = <30>;
+ google,cros-ec-spi-pre-delay = <10>;
+ interrupts = <99 0>;
+ interrupt-parent = <&gpio7>;
+ spi-max-frequency = <5000000>;
+ #gpio-cells = <2>;
+ gpio-controller;
+
+ proximity {
+ compatible = "google,cros-ec-mkbp-proximity";
+ };
+
+ cbas {
+ compatible = "google,cros-cbas";
+ };
+ };
+ };
+
+ # Example for RPMSG
+ - |
+ scp0 {
+ cros-ec {
+ compatible = "google,cros-ec-rpmsg";
+ };
+ };
+
+ # Example for FPMCU
+ - |
+ spi {
+ #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>;
+ };
+ };
+
+ # Example for UART
+ - |
+ serial {
+ cros-ec {
+ compatible = "google,cros-ec-uart";
+ };
+ };
+...
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/embedded-controller/gw,gsc.yaml#
+$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>;
+ };
+ };
+ };
--- /dev/null
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/embedded-controller/huawei,gaokun3-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Huawei Matebook E Go Embedded Controller
+
+maintainers:
+ - Pengyu Luo <mitltlatltl@gmail.com>
+
+description:
+ Different from other Qualcomm Snapdragon sc8180x and sc8280xp-based
+ machines, the Huawei Matebook E Go tablets use embedded controllers
+ while others use a system called PMIC GLink which handles battery,
+ UCSI, USB Type-C DP Alt Mode. In addition, Huawei's implementation
+ also handles additional features, such as charging thresholds, FN
+ lock, smart charging, tablet lid status, thermal sensors, and more.
+
+properties:
+ compatible:
+ enum:
+ - huawei,gaokun3-ec
+
+ reg:
+ const: 0x38
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ interrupts:
+ maxItems: 1
+
+patternProperties:
+ '^connector@[01]$':
+ $ref: /schemas/connector/usb-connector.yaml#
+
+ properties:
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ embedded-controller@38 {
+ compatible = "huawei,gaokun3-ec";
+ reg = <0x38>;
+
+ interrupts-extended = <&tlmm 107 IRQ_TYPE_LEVEL_LOW>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ connector@0 {
+ compatible = "usb-c-connector";
+ reg = <0>;
+ power-role = "dual";
+ data-role = "dual";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ ucsi0_ss_in: endpoint {
+ remote-endpoint = <&usb_0_qmpphy_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ ucsi0_sbu: endpoint {
+ remote-endpoint = <&usb0_sbu_mux>;
+ };
+ };
+ };
+ };
+
+ connector@1 {
+ compatible = "usb-c-connector";
+ reg = <1>;
+ power-role = "dual";
+ data-role = "dual";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ ucsi1_ss_in: endpoint {
+ remote-endpoint = <&usb_1_qmpphy_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ ucsi1_sbu: endpoint {
+ remote-endpoint = <&usb1_sbu_mux>;
+ };
+ };
+ };
+ };
+ };
+ };
--- /dev/null
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/embedded-controller/kontron,sl28cpld.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Kontron's sl28cpld board management controller
+
+maintainers:
+ - Michael Walle <michael@walle.cc>
+
+description: |
+ The board management controller may contain different IP blocks like
+ watchdog, fan monitoring, PWM controller, interrupt controller and a
+ GPIO controller.
+
+properties:
+ compatible:
+ const: kontron,sl28cpld
+
+ reg:
+ description:
+ I2C device address.
+ maxItems: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ "#interrupt-cells":
+ const: 2
+
+ interrupts:
+ maxItems: 1
+
+ interrupt-controller: true
+
+patternProperties:
+ "^gpio(@[0-9a-f]+)?$":
+ $ref: /schemas/gpio/kontron,sl28cpld-gpio.yaml
+
+ "^hwmon(@[0-9a-f]+)?$":
+ $ref: /schemas/hwmon/kontron,sl28cpld-hwmon.yaml
+
+ "^interrupt-controller(@[0-9a-f]+)?$":
+ $ref: /schemas/interrupt-controller/kontron,sl28cpld-intc.yaml
+
+ "^pwm(@[0-9a-f]+)?$":
+ $ref: /schemas/pwm/kontron,sl28cpld-pwm.yaml
+
+ "^watchdog(@[0-9a-f]+)?$":
+ $ref: /schemas/watchdog/kontron,sl28cpld-wdt.yaml
+
+required:
+ - "#address-cells"
+ - "#size-cells"
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sl28cpld@4a {
+ compatible = "kontron,sl28cpld";
+ reg = <0x4a>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ watchdog@4 {
+ compatible = "kontron,sl28cpld-wdt";
+ reg = <0x4>;
+ kontron,assert-wdt-timeout-pin;
+ };
+
+ hwmon@b {
+ compatible = "kontron,sl28cpld-fan";
+ reg = <0xb>;
+ };
+
+ pwm@c {
+ compatible = "kontron,sl28cpld-pwm";
+ reg = <0xc>;
+ #pwm-cells = <2>;
+ };
+
+ pwm@e {
+ compatible = "kontron,sl28cpld-pwm";
+ reg = <0xe>;
+ #pwm-cells = <2>;
+ };
+
+ gpio@10 {
+ compatible = "kontron,sl28cpld-gpio";
+ reg = <0x10>;
+ interrupts-extended = <&gpio2 6
+ IRQ_TYPE_EDGE_FALLING>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "a", "b", "c";
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpio@15 {
+ compatible = "kontron,sl28cpld-gpio";
+ reg = <0x15>;
+ interrupts-extended = <&gpio2 6
+ IRQ_TYPE_EDGE_FALLING>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ gpio@1a {
+ compatible = "kontron,sl28cpld-gpo";
+ reg = <0x1a>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gpio@1b {
+ compatible = "kontron,sl28cpld-gpi";
+ reg = <0x1b>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ interrupt-controller@1c {
+ compatible = "kontron,sl28cpld-intc";
+ reg = <0x1c>;
+ interrupts-extended = <&gpio2 6
+ IRQ_TYPE_EDGE_FALLING>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+ };
+ };
--- /dev/null
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/embedded-controller/lenovo,yoga-c630-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Lenovo Yoga C630 Embedded Controller.
+
+maintainers:
+ - Bjorn Andersson <andersson@kernel.org>
+
+description:
+ The Qualcomm Snapdragon-based Lenovo Yoga C630 has an Embedded Controller
+ (EC) which handles things such as battery and USB Type-C. This binding
+ describes the interface, on an I2C bus, to this EC.
+
+properties:
+ compatible:
+ const: lenovo,yoga-c630-ec
+
+ reg:
+ const: 0x70
+
+ '#address-cells':
+ const: 1
+
+ '#size-cells':
+ const: 0
+
+ interrupts:
+ maxItems: 1
+
+patternProperties:
+ '^connector@[01]$':
+ $ref: /schemas/connector/usb-connector.yaml#
+
+ properties:
+ reg:
+ maxItems: 1
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |+
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c1 {
+ clock-frequency = <400000>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ embedded-controller@70 {
+ compatible = "lenovo,yoga-c630-ec";
+ reg = <0x70>;
+
+ interrupts-extended = <&tlmm 20 IRQ_TYPE_LEVEL_HIGH>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ connector@0 {
+ compatible = "usb-c-connector";
+ reg = <0>;
+ power-role = "source";
+ data-role = "host";
+ };
+
+ connector@1 {
+ compatible = "usb-c-connector";
+ reg = <1>;
+ power-role = "source";
+ data-role = "host";
+ };
+ };
+ };
+...
--- /dev/null
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/embedded-controller/microsoft,surface-sam.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Surface System Aggregator Module (SAM, SSAM)
+
+maintainers:
+ - Konrad Dybcio <konradybcio@kernel.org>
+
+description: |
+ Surface devices use a standardized embedded controller to let the
+ operating system interface with various hardware functions. The
+ specific functionalities are modeled as subdevices and matched on
+ five levels: domain, category, target, instance and function.
+
+properties:
+ compatible:
+ const: microsoft,surface-sam
+
+ interrupts:
+ maxItems: 1
+
+ current-speed: true
+
+required:
+ - compatible
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ uart {
+ embedded-controller {
+ compatible = "microsoft,surface-sam";
+
+ interrupts-extended = <&tlmm 91 IRQ_TYPE_EDGE_RISING>;
+
+ pinctrl-0 = <&ssam_state>;
+ pinctrl-names = "default";
+
+ current-speed = <4000000>;
+ };
+ };
description: |
This module is part of the sl28cpld multi-function device. For more
- details see ../mfd/kontron,sl28cpld.yaml.
+ details see ../embedded-controller/kontron,sl28cpld.yaml.
There are three flavors of the GPIO controller, one full featured
input/output with interrupt support (kontron,sl28cpld-gpio), one
description: |
This module is part of the sl28cpld multi-function device. For more
- details see ../mfd/kontron,sl28cpld.yaml.
+ details see ../embedded-controller/kontron,sl28cpld.yaml.
properties:
compatible:
description: |
This module is part of the sl28cpld multi-function device. For more
- details see ../mfd/kontron,sl28cpld.yaml.
+ details see ../embedded-controller/kontron,sl28cpld.yaml.
The following interrupts are available. All types and levels are fixed
and handled by the board management controller.
+++ /dev/null
-# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
-%YAML 1.2
----
-$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>;
- };
- };
- };
+++ /dev/null
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/mfd/google,cros-ec.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: ChromeOS Embedded Controller
-
-maintainers:
- - Benson Leung <bleung@chromium.org>
- - Guenter Roeck <groeck@chromium.org>
-
-description:
- Google's ChromeOS EC is a microcontroller which talks to the AP and
- implements various functions such as keyboard and battery charging.
- The EC can be connected through various interfaces (I2C, SPI, and others)
- and the compatible string specifies which interface is being used.
-
-properties:
- compatible:
- oneOf:
- - description:
- For implementations of the EC connected through I2C.
- const: google,cros-ec-i2c
- - description:
- 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
- - description:
- For implementations of the EC connected through UART.
- const: google,cros-ec-uart
-
- controller-data: true
-
- google,cros-ec-spi-pre-delay:
- description:
- This property specifies the delay in usecs between the
- assertion of the CS and the first clock pulse.
- $ref: /schemas/types.yaml#/definitions/uint32
- default: 0
-
- google,cros-ec-spi-msg-delay:
- description:
- This property specifies the delay in usecs between messages.
- $ref: /schemas/types.yaml#/definitions/uint32
- default: 0
-
- google,has-vbc-nvram:
- description:
- Some implementations of the EC include a small nvram space used to
- store verified boot context data. This boolean flag is used to specify
- whether this nvram is present or not.
- type: boolean
-
- mediatek,rpmsg-name:
- description:
- Must be defined if the cros-ec is a rpmsg device for a Mediatek
- ARM Cortex M4 Co-processor. Contains the name of the rpmsg
- device. Used to match the subnode to the rpmsg device announced by
- the SCP.
- $ref: /schemas/types.yaml#/definitions/string
-
- spi-max-frequency: true
-
- reg:
- maxItems: 1
-
- 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.
-
- '#address-cells':
- const: 1
-
- '#size-cells':
- const: 0
-
- '#gpio-cells':
- const: 2
-
- gpio-controller: true
-
- typec:
- $ref: /schemas/chrome/google,cros-ec-typec.yaml#
-
- ec-pwm:
- $ref: /schemas/pwm/google,cros-ec-pwm.yaml#
- deprecated: true
-
- pwm:
- $ref: /schemas/pwm/google,cros-ec-pwm.yaml#
-
- keyboard-controller:
- $ref: /schemas/input/google,cros-ec-keyb.yaml#
-
- proximity:
- $ref: /schemas/iio/proximity/google,cros-ec-mkbp-proximity.yaml#
-
- codecs:
- type: object
- additionalProperties: false
-
- properties:
- '#address-cells':
- const: 2
-
- '#size-cells':
- const: 1
-
- patternProperties:
- "^ec-codec@[a-f0-9]+$":
- type: object
- $ref: /schemas/sound/google,cros-ec-codec.yaml#
-
- required:
- - "#address-cells"
- - "#size-cells"
-
- cbas:
- type: object
-
- description:
- This device is used to signal when a detachable base is attached
- to a Chrome OS tablet. This device cannot be detected at runtime.
-
- properties:
- compatible:
- const: google,cros-cbas
-
- required:
- - compatible
-
- additionalProperties: false
-
-patternProperties:
- "^i2c-tunnel[0-9]*$":
- type: object
- $ref: /schemas/i2c/google,cros-ec-i2c-tunnel.yaml#
-
- "^regulator@[0-9]+$":
- type: object
- $ref: /schemas/regulator/google,cros-ec-regulator.yaml#
-
- "^extcon[0-9]*$":
- type: object
- $ref: /schemas/extcon/extcon-usbc-cros-ec.yaml#
-
-required:
- - compatible
-
-allOf:
- - if:
- properties:
- compatible:
- not:
- contains:
- const: google,cros-ec-spi
- then:
- properties:
- controller-data: false
- google,cros-ec-spi-pre-delay: false
- google,cros-ec-spi-msg-delay: false
- spi-max-frequency: false
- else:
- $ref: /schemas/spi/spi-peripheral-props.yaml
-
- - if:
- properties:
- compatible:
- not:
- contains:
- const: google,cros-ec-rpmsg
- then:
- properties:
- mediatek,rpmsg-name: false
-
- - if:
- properties:
- compatible:
- not:
- contains:
- enum:
- - google,cros-ec-rpmsg
- - google,cros-ec-uart
- then:
- required:
- - reg
- - interrupts
-
- - if:
- properties:
- compatible:
- contains:
- const: google,cros-ec-fp
- then:
- properties:
- '#address-cells': false
- '#size-cells': false
- typec: false
- ec-pwm: false
- kbd-led-backlight: false
- keyboard-controller: false
- proximity: false
- codecs: false
- cbas: false
-
- patternProperties:
- "^i2c-tunnel[0-9]*$": 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:
- # Example for I2C
- - |
- #include <dt-bindings/gpio/gpio.h>
- #include <dt-bindings/interrupt-controller/irq.h>
-
- i2c {
- #address-cells = <1>;
- #size-cells = <0>;
-
- cros-ec@1e {
- compatible = "google,cros-ec-i2c";
- reg = <0x1e>;
- interrupts = <6 0>;
- interrupt-parent = <&gpio0>;
- };
- };
-
- # Example for SPI
- - |
- #include <dt-bindings/gpio/gpio.h>
- #include <dt-bindings/interrupt-controller/irq.h>
-
- spi {
- #address-cells = <1>;
- #size-cells = <0>;
-
- cros-ec@0 {
- compatible = "google,cros-ec-spi";
- reg = <0x0>;
- google,cros-ec-spi-msg-delay = <30>;
- google,cros-ec-spi-pre-delay = <10>;
- interrupts = <99 0>;
- interrupt-parent = <&gpio7>;
- spi-max-frequency = <5000000>;
- #gpio-cells = <2>;
- gpio-controller;
-
- proximity {
- compatible = "google,cros-ec-mkbp-proximity";
- };
-
- cbas {
- compatible = "google,cros-cbas";
- };
- };
- };
-
- # Example for RPMSG
- - |
- scp0 {
- cros-ec {
- compatible = "google,cros-ec-rpmsg";
- };
- };
-
- # Example for FPMCU
- - |
- spi {
- #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>;
- };
- };
-
- # Example for UART
- - |
- serial {
- cros-ec {
- compatible = "google,cros-ec-uart";
- };
- };
-...
+++ /dev/null
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/mfd/kontron,sl28cpld.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Kontron's sl28cpld board management controller
-
-maintainers:
- - Michael Walle <michael@walle.cc>
-
-description: |
- The board management controller may contain different IP blocks like
- watchdog, fan monitoring, PWM controller, interrupt controller and a
- GPIO controller.
-
-properties:
- compatible:
- const: kontron,sl28cpld
-
- reg:
- description:
- I2C device address.
- maxItems: 1
-
- "#address-cells":
- const: 1
-
- "#size-cells":
- const: 0
-
- "#interrupt-cells":
- const: 2
-
- interrupts:
- maxItems: 1
-
- interrupt-controller: true
-
-patternProperties:
- "^gpio(@[0-9a-f]+)?$":
- $ref: /schemas/gpio/kontron,sl28cpld-gpio.yaml
-
- "^hwmon(@[0-9a-f]+)?$":
- $ref: /schemas/hwmon/kontron,sl28cpld-hwmon.yaml
-
- "^interrupt-controller(@[0-9a-f]+)?$":
- $ref: /schemas/interrupt-controller/kontron,sl28cpld-intc.yaml
-
- "^pwm(@[0-9a-f]+)?$":
- $ref: /schemas/pwm/kontron,sl28cpld-pwm.yaml
-
- "^watchdog(@[0-9a-f]+)?$":
- $ref: /schemas/watchdog/kontron,sl28cpld-wdt.yaml
-
-required:
- - "#address-cells"
- - "#size-cells"
- - compatible
- - reg
-
-additionalProperties: false
-
-examples:
- - |
- #include <dt-bindings/interrupt-controller/irq.h>
- i2c {
- #address-cells = <1>;
- #size-cells = <0>;
-
- sl28cpld@4a {
- compatible = "kontron,sl28cpld";
- reg = <0x4a>;
- #address-cells = <1>;
- #size-cells = <0>;
-
- watchdog@4 {
- compatible = "kontron,sl28cpld-wdt";
- reg = <0x4>;
- kontron,assert-wdt-timeout-pin;
- };
-
- hwmon@b {
- compatible = "kontron,sl28cpld-fan";
- reg = <0xb>;
- };
-
- pwm@c {
- compatible = "kontron,sl28cpld-pwm";
- reg = <0xc>;
- #pwm-cells = <2>;
- };
-
- pwm@e {
- compatible = "kontron,sl28cpld-pwm";
- reg = <0xe>;
- #pwm-cells = <2>;
- };
-
- gpio@10 {
- compatible = "kontron,sl28cpld-gpio";
- reg = <0x10>;
- interrupts-extended = <&gpio2 6
- IRQ_TYPE_EDGE_FALLING>;
-
- gpio-controller;
- #gpio-cells = <2>;
- gpio-line-names = "a", "b", "c";
-
- interrupt-controller;
- #interrupt-cells = <2>;
- };
-
- gpio@15 {
- compatible = "kontron,sl28cpld-gpio";
- reg = <0x15>;
- interrupts-extended = <&gpio2 6
- IRQ_TYPE_EDGE_FALLING>;
-
- gpio-controller;
- #gpio-cells = <2>;
-
- interrupt-controller;
- #interrupt-cells = <2>;
- };
-
- gpio@1a {
- compatible = "kontron,sl28cpld-gpo";
- reg = <0x1a>;
-
- gpio-controller;
- #gpio-cells = <2>;
- };
-
- gpio@1b {
- compatible = "kontron,sl28cpld-gpi";
- reg = <0x1b>;
-
- gpio-controller;
- #gpio-cells = <2>;
- };
-
- interrupt-controller@1c {
- compatible = "kontron,sl28cpld-intc";
- reg = <0x1c>;
- interrupts-extended = <&gpio2 6
- IRQ_TYPE_EDGE_FALLING>;
-
- interrupt-controller;
- #interrupt-cells = <2>;
- };
- };
- };
+++ /dev/null
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/platform/acer,aspire1-ec.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Acer Aspire 1 Embedded Controller
-
-maintainers:
- - Nikita Travkin <nikita@trvn.ru>
-
-description:
- The Acer Aspire 1 laptop uses an embedded controller to control battery
- and charging as well as to provide a set of misc features such as the
- laptop lid status and HPD events for the USB Type-C DP alt mode.
-
-properties:
- compatible:
- const: acer,aspire1-ec
-
- reg:
- const: 0x76
-
- interrupts:
- maxItems: 1
-
- connector:
- $ref: /schemas/connector/usb-connector.yaml#
-
-required:
- - compatible
- - reg
- - interrupts
-
-additionalProperties: false
-
-examples:
- - |
- #include <dt-bindings/interrupt-controller/irq.h>
- i2c {
- #address-cells = <1>;
- #size-cells = <0>;
-
- embedded-controller@76 {
- compatible = "acer,aspire1-ec";
- reg = <0x76>;
-
- interrupts-extended = <&tlmm 30 IRQ_TYPE_LEVEL_LOW>;
-
- connector {
- compatible = "usb-c-connector";
-
- port {
- ec_dp_in: endpoint {
- remote-endpoint = <&mdss_dp_out>;
- };
- };
- };
- };
- };
+++ /dev/null
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/platform/huawei,gaokun-ec.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Huawei Matebook E Go Embedded Controller
-
-maintainers:
- - Pengyu Luo <mitltlatltl@gmail.com>
-
-description:
- Different from other Qualcomm Snapdragon sc8180x and sc8280xp-based
- machines, the Huawei Matebook E Go tablets use embedded controllers
- while others use a system called PMIC GLink which handles battery,
- UCSI, USB Type-C DP Alt Mode. In addition, Huawei's implementation
- also handles additional features, such as charging thresholds, FN
- lock, smart charging, tablet lid status, thermal sensors, and more.
-
-properties:
- compatible:
- enum:
- - huawei,gaokun3-ec
-
- reg:
- const: 0x38
-
- '#address-cells':
- const: 1
-
- '#size-cells':
- const: 0
-
- interrupts:
- maxItems: 1
-
-patternProperties:
- '^connector@[01]$':
- $ref: /schemas/connector/usb-connector.yaml#
-
- properties:
- reg:
- maxItems: 1
-
-required:
- - compatible
- - reg
- - interrupts
-
-additionalProperties: false
-
-examples:
- - |
- #include <dt-bindings/interrupt-controller/irq.h>
- i2c {
- #address-cells = <1>;
- #size-cells = <0>;
-
- embedded-controller@38 {
- compatible = "huawei,gaokun3-ec";
- reg = <0x38>;
-
- interrupts-extended = <&tlmm 107 IRQ_TYPE_LEVEL_LOW>;
-
- #address-cells = <1>;
- #size-cells = <0>;
-
- connector@0 {
- compatible = "usb-c-connector";
- reg = <0>;
- power-role = "dual";
- data-role = "dual";
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
- port@0 {
- reg = <0>;
-
- ucsi0_ss_in: endpoint {
- remote-endpoint = <&usb_0_qmpphy_out>;
- };
- };
-
- port@1 {
- reg = <1>;
-
- ucsi0_sbu: endpoint {
- remote-endpoint = <&usb0_sbu_mux>;
- };
- };
- };
- };
-
- connector@1 {
- compatible = "usb-c-connector";
- reg = <1>;
- power-role = "dual";
- data-role = "dual";
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
- port@0 {
- reg = <0>;
-
- ucsi1_ss_in: endpoint {
- remote-endpoint = <&usb_1_qmpphy_out>;
- };
- };
-
- port@1 {
- reg = <1>;
-
- ucsi1_sbu: endpoint {
- remote-endpoint = <&usb1_sbu_mux>;
- };
- };
- };
- };
- };
- };
+++ /dev/null
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/platform/lenovo,yoga-c630-ec.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Lenovo Yoga C630 Embedded Controller.
-
-maintainers:
- - Bjorn Andersson <andersson@kernel.org>
-
-description:
- The Qualcomm Snapdragon-based Lenovo Yoga C630 has an Embedded Controller
- (EC) which handles things such as battery and USB Type-C. This binding
- describes the interface, on an I2C bus, to this EC.
-
-properties:
- compatible:
- const: lenovo,yoga-c630-ec
-
- reg:
- const: 0x70
-
- '#address-cells':
- const: 1
-
- '#size-cells':
- const: 0
-
- interrupts:
- maxItems: 1
-
-patternProperties:
- '^connector@[01]$':
- $ref: /schemas/connector/usb-connector.yaml#
-
- properties:
- reg:
- maxItems: 1
-
- unevaluatedProperties: false
-
-required:
- - compatible
- - reg
- - interrupts
-
-additionalProperties: false
-
-examples:
- - |+
- #include <dt-bindings/interrupt-controller/irq.h>
- i2c1 {
- clock-frequency = <400000>;
-
- #address-cells = <1>;
- #size-cells = <0>;
-
- embedded-controller@70 {
- compatible = "lenovo,yoga-c630-ec";
- reg = <0x70>;
-
- interrupts-extended = <&tlmm 20 IRQ_TYPE_LEVEL_HIGH>;
-
- #address-cells = <1>;
- #size-cells = <0>;
-
- connector@0 {
- compatible = "usb-c-connector";
- reg = <0>;
- power-role = "source";
- data-role = "host";
- };
-
- connector@1 {
- compatible = "usb-c-connector";
- reg = <1>;
- power-role = "source";
- data-role = "host";
- };
- };
- };
-...
+++ /dev/null
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/platform/microsoft,surface-sam.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Surface System Aggregator Module (SAM, SSAM)
-
-maintainers:
- - Konrad Dybcio <konradybcio@kernel.org>
-
-description: |
- Surface devices use a standardized embedded controller to let the
- operating system interface with various hardware functions. The
- specific functionalities are modeled as subdevices and matched on
- five levels: domain, category, target, instance and function.
-
-properties:
- compatible:
- const: microsoft,surface-sam
-
- interrupts:
- maxItems: 1
-
- current-speed: true
-
-required:
- - compatible
- - interrupts
-
-additionalProperties: false
-
-examples:
- - |
- #include <dt-bindings/interrupt-controller/irq.h>
- uart {
- embedded-controller {
- compatible = "microsoft,surface-sam";
-
- interrupts-extended = <&tlmm 91 IRQ_TYPE_EDGE_RISING>;
-
- pinctrl-0 = <&ssam_state>;
- pinctrl-names = "default";
-
- current-speed = <4000000>;
- };
- };
Google's ChromeOS EC PWM is a simple PWM attached to the Embedded Controller
(EC) and controlled via a host-command interface.
An EC PWM node should be only found as a sub-node of the EC node (see
- Documentation/devicetree/bindings/mfd/google,cros-ec.yaml).
+ Documentation/devicetree/bindings/embedded-controller/google,cros-ec.yaml).
allOf:
- $ref: pwm.yaml#
description: |
This module is part of the sl28cpld multi-function device. For more
- details see ../mfd/kontron,sl28cpld.yaml.
+ details see ../embedded-controller/kontron,sl28cpld.yaml.
The controller supports one PWM channel and supports only four distinct
frequencies (250Hz, 500Hz, 1kHz, 2kHz).
maxItems: 1
cros-ec-rpmsg:
- $ref: /schemas/mfd/google,cros-ec.yaml
+ $ref: /schemas/embedded-controller/google,cros-ec.yaml
description:
This subnode represents the rpmsg device. The properties
of this node are defined by the individual bindings for
maxItems: 1
cros-ec-rpmsg:
- $ref: /schemas/mfd/google,cros-ec.yaml
+ $ref: /schemas/embedded-controller/google,cros-ec.yaml
description:
This subnode represents the rpmsg device. The properties
of this node are defined by the individual bindings for
Embedded Controller (EC) and is controlled via a host-command
interface. An EC codec node should only be found inside the "codecs"
subnode of a cros-ec node.
- (see Documentation/devicetree/bindings/mfd/google,cros-ec.yaml).
+ (see Documentation/devicetree/bindings/embedded-controller/google,cros-ec.yaml).
allOf:
- $ref: dai-common.yaml#
description: |
This module is part of the sl28cpld multi-function device. For more
- details see ../mfd/kontron,sl28cpld.yaml.
+ details see ../embedded-controller/kontron,sl28cpld.yaml.
allOf:
- $ref: watchdog.yaml#
GATEWORKS SYSTEM CONTROLLER (GSC) DRIVER
M: Tim Harvey <tharvey@gateworks.com>
S: Maintained
-F: Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
+F: Documentation/devicetree/bindings/embedded-controller/gw,gsc.yaml
F: Documentation/hwmon/gsc-hwmon.rst
F: drivers/hwmon/gsc-hwmon.c
F: drivers/mfd/gateworks-gsc.c
HUAWEI MATEBOOK E GO EMBEDDED CONTROLLER DRIVER
M: Pengyu Luo <mitltlatltl@gmail.com>
S: Maintained
-F: Documentation/devicetree/bindings/platform/huawei,gaokun-ec.yaml
+F: Documentation/devicetree/bindings/embedded-controller/huawei,gaokun3-ec.yaml
F: drivers/platform/arm64/huawei-gaokun-ec.c
F: drivers/power/supply/huawei-gaokun-battery.c
F: drivers/usb/typec/ucsi/ucsi_huawei_gaokun.c
SL28 CPLD MFD DRIVER
M: Michael Walle <mwalle@kernel.org>
S: Maintained
+F: Documentation/devicetree/bindings/embedded-controller/kontron,sl28cpld.yaml
F: Documentation/devicetree/bindings/gpio/kontron,sl28cpld-gpio.yaml
F: Documentation/devicetree/bindings/hwmon/kontron,sl28cpld-hwmon.yaml
F: Documentation/devicetree/bindings/interrupt-controller/kontron,sl28cpld-intc.yaml
-F: Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml
F: Documentation/devicetree/bindings/pwm/kontron,sl28cpld-pwm.yaml
F: Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
F: drivers/gpio/gpio-sl28cpld.c
projects / linux-2.6-microblaze.git / commitdiff