Adds device tree bindings for SMPro drivers found on the Mt.Jade hardware reference platform with Ampere's Altra Processor family. Signed-off-by: Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx> --- .../bindings/hwmon/ampere,ac01-hwmon.yaml | 28 +++++ .../devicetree/bindings/mfd/ampere,smpro.yaml | 105 ++++++++++++++++++ 2 files changed, 133 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml create mode 100644 Documentation/devicetree/bindings/mfd/ampere,smpro.yaml diff --git a/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml b/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml new file mode 100644 index 000000000000..fbf7ec754160 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ampere,ac01-hwmon.yaml @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/ampere,ac01-hwmon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Hardware monitoring driver for the Ampere Altra SMPro + +maintainers: + - Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx> + +description: | + This module is part of the Ampere Altra SMPro multi-function device. For more + details see ../mfd/ampere,smpro.yaml. + +properties: + compatible: + enum: + - ampere,ac01-hwmon + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false diff --git a/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml b/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml new file mode 100644 index 000000000000..5613c420869e --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml @@ -0,0 +1,105 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/ampere,smpro.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ampere Altra SMPro firmware driver + +maintainers: + - Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx> + +description: | + Ampere Altra SMPro firmware may contain different blocks like hardware + monitoring, error monitoring and other miscellaneous features. + +properties: + compatible: + enum: + - ampere,smpro + + reg: + description: + I2C device address. + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^hwmon(@[0-9a-f]+)?$": + $ref: ../hwmon/ampere,ac01-hwmon.yaml + + "^misc(@[0-9a-f]+)?$": + type: object + description: | + This module is part of the Ampere Altra SMPro multi-function device + to support miscellaneous features + properties: + compatible: + enum: + - ampere,ac01-misc + reg: + maxItems: 1 + + required: + - compatible + - reg + + "^errmon(@[0-9a-f]+)?$": + type: object + description: | + This module is part of the Ampere Altra SMPro multi-function device + that supports error monitoring feature. + + properties: + compatible: + enum: + - ampere,ac01-errmon + reg: + maxItems: 1 + + required: + - compatible + - reg + +required: + - "#address-cells" + - "#size-cells" + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + smpro@4f { + compatible = "ampere,smpro"; + reg = <0x4f>; + #address-cells = <1>; + #size-cells = <0>; + + hwmon@10 { + compatible = "ampere,ac01-hwmon"; + reg = <0x10>; + }; + + misc@b0 { + compatible = "ampere,ac01-misc"; + reg = <0xb0>; + }; + + errmon@80 { + compatible = "ampere,ac01-errmon"; + reg = <0x80>; + }; + + }; + }; -- 2.28.0
