| Message ID | 20250226165314.34205-2-laurentiumihalcea111@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | imx8mp: add support for the IMX AIPSTZ bridge | expand |
On 26/02/2025 17:53, Laurentiu Mihalcea wrote: > From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> > > Add documentation for IMX AIPSTZ bridge. > Please use get_maintainers so this will reach proper lists and automation. Or just start using b4, so you won't remove cc-entries (v1 looked correct). > Co-developed-by: Daniel Baluta <daniel.baluta@nxp.com> > Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com> > Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> > --- > .../bindings/bus/fsl,imx8mp-aipstz.yaml | 86 +++++++++++++++++++ > 1 file changed, 86 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..dfcfe4a8ae74 > --- /dev/null > +++ b/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml > @@ -0,0 +1,86 @@ > +# 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> > + > +properties: > + compatible: > + const: fsl,imx8mp-aipstz > + > + reg: > + maxItems: 1 > + > + power-domains: > + maxItems: 1 > + > + "#address-cells": > + enum: [1, 2] > + > + "#size-cells": > + enum: [1, 2] Why flexible? This is either 32- or 64-bit addressing in the sources, isn't it? > + > + "#access-controller-cells": > + const: 0 > + > + ranges: true > + > +# borrowed from simple-bus.yaml, no additional requirements for children > +patternProperties: > + "@(0|[1-9a-f][0-9a-f]*)$": > + type: object > + additionalProperties: true > + properties: > + reg: > + items: > + minItems: 2 > + maxItems: 4 > + minItems: 1 > + maxItems: 1024 > + ranges: > + oneOf: > + - items: > + minItems: 3 > + maxItems: 7 > + minItems: 1 > + maxItems: 1024 > + - $ref: /schemas/types.yaml#/definitions/flag > + anyOf: > + - required: > + - reg > + - required: > + - ranges > + > +required: > + - compatible > + - reg > + - power-domains > + - "#address-cells" > + - "#size-cells" > + - "#access-controller-cells" > + - ranges > + > +additionalProperties: false > + > +examples: > + - | > + bus@30df0000 { > + compatible = "fsl,imx8mp-aipstz"; > + reg = <0x30df0000 0x10000>; > + power-domains = <&pgc_audio>; > + #address-cells = <1>; > + #size-cells = <1>; > + #access-controller-cells = <0>; > + ranges; Add at least one child, so your pattern will be tested. Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml b/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml new file mode 100644 index 000000000000..dfcfe4a8ae74 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/fsl,imx8mp-aipstz.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/fsl,imx8mp-aipstz.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Secure AHB to IP Slave bus (AIPSTZ) bridge + +description: + The secure AIPS bridge (AIPSTZ) acts as a bridge for AHB masters + issuing transactions to IP Slave peripherals. Additionally, this module + offers access control configurations meant to restrict which peripherals + a master can access. + +maintainers: + - Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> + +properties: + compatible: + const: fsl,imx8mp-aipstz + + reg: + maxItems: 1 + + power-domains: + maxItems: 1 + + "#address-cells": + enum: [1, 2] + + "#size-cells": + enum: [1, 2] + + "#access-controller-cells": + const: 0 + + ranges: true + +# borrowed from simple-bus.yaml, no additional requirements for children +patternProperties: + "@(0|[1-9a-f][0-9a-f]*)$": + type: object + additionalProperties: true + properties: + reg: + items: + minItems: 2 + maxItems: 4 + minItems: 1 + maxItems: 1024 + ranges: + oneOf: + - items: + minItems: 3 + maxItems: 7 + minItems: 1 + maxItems: 1024 + - $ref: /schemas/types.yaml#/definitions/flag + anyOf: + - required: + - reg + - required: + - ranges + +required: + - compatible + - reg + - power-domains + - "#address-cells" + - "#size-cells" + - "#access-controller-cells" + - ranges + +additionalProperties: false + +examples: + - | + bus@30df0000 { + compatible = "fsl,imx8mp-aipstz"; + reg = <0x30df0000 0x10000>; + power-domains = <&pgc_audio>; + #address-cells = <1>; + #size-cells = <1>; + #access-controller-cells = <0>; + ranges; + };