From 5f3e773ca4830daf71c7b5eee0c6b1dfe4d09c08 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 27 Jan 2022 11:22:53 +0100 Subject: dts: update to v5.17-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml | 45 ++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 dts/Bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml (limited to 'dts/Bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml') diff --git a/dts/Bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml b/dts/Bindings/i2c/nvidia,tegra186-bpmp-i2c.yaml new file mode 100644 index 0000000000..b8319dcf3d --- /dev/null +++ b/dts/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 -- cgit v1.2.3