[PATCH 1/5] dt-bindings: bus: add documentation for the IMX AIPSTZ bridge
From: Laurentiu Mihalcea <hidden>
Date: 2025-02-21 19:19:51
Also in:
imx, linux-arm-kernel, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Laurentiu Mihalcea <redacted> Add documentation for IMX AIPSTZ bridge. Co-developed-by: Daniel Baluta <daniel.baluta@nxp.com> Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com> Signed-off-by: Laurentiu Mihalcea <redacted> --- .../bindings/bus/fsl,imx8mp-aipstz.yaml | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml
diff --git a/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml b/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml
new file mode 100644
index 000000000000..b0d6eaf70a84
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml@@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/fsl,imx8mp-aipstz.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Secure AHB to IP Slave bus (AIPSTZ) bridge + +description: + The secure AIPS bridge (AIPSTZ) acts as a bridge for AHB masters + issuing transactions to IP Slave peripherals. Additionally, this module + offers access control configurations meant to restrict which peripherals + a master can access. + +maintainers: + - Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> + +select: + properties: + compatible: + contains: + const: fsl,imx8mp-aipstz + required: + - compatible + +properties: + compatible: + items: + - const: fsl,imx8mp-aipstz + - const: simple-bus + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + "#access-controller-cells": + const: 0 + +required: + - compatible + - reg + - power-domains + - "#access-controller-cells" + +allOf: + - $ref: /schemas/simple-bus.yaml# + +unevaluatedProperties: false + +examples: + - | + bus@30df0000 { + compatible = "fsl,imx8mp-aipstz", "simple-bus"; + reg = <0x30df0000 0x10000>; + power-domains = <&pgc_audio>; + #address-cells = <1>; + #size-cells = <1>; + #access-controller-cells = <0>; + ranges; + };
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2.34.1