Add Device Tree binding documentation for GlandaGPU, a custom FPGA-based 2D display controller.
For hardware designs and RTL sources, see: https://github.com/stiangglanda/GlandaGPU Signed-off-by: Leander Kieweg <[email protected]> --- .../bindings/display/glanda,gpu.yaml | 55 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + 2 files changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/glanda,gpu.yaml diff --git a/Documentation/devicetree/bindings/display/glanda,gpu.yaml b/Documentation/devicetree/bindings/display/glanda,gpu.yaml new file mode 100644 index 000000000..988a30946 --- /dev/null +++ b/Documentation/devicetree/bindings/display/glanda,gpu.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/glanda,gpu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GlandaGPU 2D Hardware Accelerated Display Controller + +maintainers: + - Leander Kieweg <[email protected]> + +description: | + GlandaGPU is a custom FPGA soft-IP core providing a simple + 2D hardware-accelerated drawing engine with a VGA-compatible + display output. The register window covers a combined VRAM + MMIO + region, with MMIO registers at a fixed offset within it. + + For hardware designs and RTL sources, see: + https://github.com/stiangglanda/GlandaGPU + +properties: + compatible: + const: glanda,gpu-1.0 + + reg: + maxItems: 1 + description: + Combined VRAM + MMIO register window (VRAM at offset 0, + MMIO registers at offset 0x00200000 within this range). + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + description: Bus and pixel clock provided to the FPGA IP. + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + gpu@c0000000 { + compatible = "glanda,gpu-1.0"; + reg = <0xc0000000 0x1000000>; + interrupt-parent = <&intc>; + interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&osc1>; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index b1af9deac..b8b7a5401 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -666,6 +666,8 @@ patternProperties: description: Giantplus Technology Co., Ltd. "^gira,.*": description: Gira Giersiepen GmbH & Co. KG + "^glanda,.*": + description: GlandaGPU "^glinet,.*": description: GL Intelligence, Inc. "^globalscale,.*": -- 2.43.0
