From 84184107c39ae65d08f6d449a57ec58734ff535a Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Wed, 8 Dec 2021 15:33:06 +0100 Subject: [PATCH] dt-bindings: i2c: tegra-bpmp: Convert to json-schema Convert the NVIDIA Tegra186 (and later) BPMP I2C bindings from the free-form text format to json-schema. Signed-off-by: Thierry Reding Link: https://lore.kernel.org/r/20211208143306.534700-1-thierry.reding@gmail.com Signed-off-by: Rob Herring --- .../bindings/i2c/nvidia,tegra186-bpmp-i2c.txt | 42 -------------------- .../bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml | 45 ++++++++++++++++++++++ 2 files changed, 45 insertions(+), 42 deletions(-) delete mode 100644 Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.txt create mode 100644 Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.txt b/Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.txt deleted file mode 100644 index ab240e10debc..000000000000 --- a/Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.txt +++ /dev/null @@ -1,42 +0,0 @@ -NVIDIA Tegra186 BPMP I2C controller - -In Tegra186, the BPMP (Boot and Power Management Processor) owns certain HW -devices, such as the I2C controller for the power management I2C bus. Software -running on other CPUs must perform IPC to the BPMP in order to execute -transactions on that I2C bus. This binding describes an I2C bus that is -accessed in such a fashion. - -The BPMP I2C node must be located directly inside the main BPMP node. See -../firmware/nvidia,tegra186-bpmp.txt for details of the BPMP binding. - -This node represents an I2C controller. See ../i2c/i2c.txt for details of the -core I2C binding. - -Required properties: -- compatible: - Array of strings. - One of: - - "nvidia,tegra186-bpmp-i2c". -- #address-cells: Address cells for I2C device address. - Single-cell integer. - Must be <1>. -- #size-cells: - Single-cell integer. - Must be <0>. -- nvidia,bpmp-bus-id: - Single-cell integer. - Indicates the I2C bus number this DT node represent, as defined by the - BPMP firmware. - -Example: - -bpmp { - ... - - i2c { - compatible = "nvidia,tegra186-bpmp-i2c"; - #address-cells = <1>; - #size-cells = <0>; - nvidia,bpmp-bus-id = <5>; - }; -}; diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml b/Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml new file mode 100644 index 000000000000..b8319dcf3d8a --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml @@ -0,0 +1,45 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/nvidia,tegra186-bpmp-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra186 (and later) BPMP I2C controller + +maintainers: + - Thierry Reding + - Jon Hunter + +description: | + In Tegra186 and later, the BPMP (Boot and Power Management Processor) + owns certain HW devices, such as the I2C controller for the power + management I2C bus. Software running on other CPUs must perform IPC to + the BPMP in order to execute transactions on that I2C bus. This + binding describes an I2C bus that is accessed in such a fashion. + + The BPMP I2C node must be located directly inside the main BPMP node. + See ../firmware/nvidia,tegra186-bpmp.yaml for details of the BPMP + binding. + + This node represents an I2C controller. See ../i2c/i2c.txt for details + of the core I2C binding. + +properties: + compatible: + const: nvidia,tegra186-bpmp-i2c + + nvidia,bpmp-bus-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Indicates the I2C bus number this DT node represents, + as defined by the BPMP firmware. + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml + +unevaluatedProperties: false + +required: + - compatible + - "#address-cells" + - "#size-cells" + - nvidia,bpmp-bus-id -- 2.11.0