This adds YAML device tree bindings for the Integrator/AP logical modules. These are plug-in tiles used typically for FPGA prototyping. Cc: devicetree@xxxxxxxxxxxxxxx Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> --- .../bindings/bus/arm,integrator-ap-lm.yaml | 89 +++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/arm,integrator-ap-lm.yaml diff --git a/Documentation/devicetree/bindings/bus/arm,integrator-ap-lm.yaml b/Documentation/devicetree/bindings/bus/arm,integrator-ap-lm.yaml new file mode 100644 index 000000000000..dfabfa466c05 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/arm,integrator-ap-lm.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/arm,integrator-ap-lm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Integrator/AP Logical Module extension bus + +maintainers: + - Linus Walleij <linusw@xxxxxxxxxx> + +description: The Integrator/AP is a prototyping platform and as such has a + site for stacking up to four logical modules (LM) designed specifically for + use with this platform. A special system controller register can be read to + determine if a logical module is connected at index 0, 1, 2 or 3. The logical + module connector is described in this binding. The logical modules per se + then have their own specific per-module bindings and they will be described + as subnodes under this logical module extension bus. + +properties: + "#address-cells": + const: 2 + + "#size-cells": + const: 1 + + compatible: + items: + - const: arm,integrator-ap-lm + + ranges: true + dma-ranges: true + +patternProperties: + "^.*@[0-3],[0-9a-f]+$": + description: Nodes on the Logical Module bus represent logical modules + and are named with index,relative-address. The first module is at + 0x00000000, the second at 0x10000000 and so on until the top of the + memory of the system at 0xffffffff. + type: object + properties: + reg: + maxItems: 1 + + required: + - compatible + +required: + - compatible + +examples: + - | + external-bus@c0000000 { + compatible = "arm,integrator-ap-lm"; + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0x0 0xc0000000 0x10000000>, + <1 0x0 0xd0000000 0x10000000>, + <2 0x0 0xe0000000 0x10000000>, + <3 0x0 0xf0000000 0x10000000>; + dma-ranges = <0 0x0 0xc0000000 0x10000000>, + <1 0x0 0xd0000000 0x10000000>, + <2 0x0 0xe0000000 0x10000000>, + <3 0x0 0xf0000000 0x10000000>; + im-pd1@0,0 { + compatible = "simple-bus"; + ranges = <0 0 0 0x10000000>; + dma-ranges = <0 0 0 0x10000000>; + #address-cells = <1>; + #size-cells = <1>; + + uart@c0100000 { + compatible = "arm,pl011", "arm,primecell"; + reg = <0x00100000 0x1000>; + interrupts-extended = <&impd1_vic 1>; + }; + + impd1_vic: interrupt-controller@c3000000 { + compatible = "arm,pl192-vic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0x03000000 0x1000>; + valid-mask = <0x00000bff>; + interrupts-extended = <&pic 9>; + }; + }; + }; + +additionalProperties: false -- 2.23.0
