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Diffstat (limited to 'Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml new file mode 100644 index 000000000000..4450e2e73b3c --- /dev/null +++ b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml @@ -0,0 +1,143 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (c) 2023 Imagination Technologies Ltd. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpu/img,powervr-rogue.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Imagination Technologies PowerVR and IMG Rogue GPUs + +maintainers: + - Frank Binns <frank.binns@imgtec.com> + +properties: + compatible: + oneOf: + - items: + - enum: + - ti,am62-gpu + - const: img,img-axe-1-16m + # This deprecated element must be kept around to allow old kernels to + # work with newer dts. + - const: img,img-axe + - const: img,img-rogue + - items: + - enum: + - ti,j721s2-gpu + - const: img,img-bxs-4-64 + - const: img,img-rogue + + # This legacy combination of compatible strings was introduced early on + # before the more specific GPU identifiers were used. + - items: + - enum: + - ti,am62-gpu + - const: img,img-axe + deprecated: true + + reg: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 3 + + clock-names: + items: + - const: core + - const: mem + - const: sys + minItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + minItems: 1 + maxItems: 2 + + power-domain-names: + items: + - const: a + - const: b + minItems: 1 + + dma-coherent: true + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: false + +allOf: + # Constraints added alongside the new compatible strings that would otherwise + # create an ABI break. + - if: + properties: + compatible: + contains: + const: img,img-rogue + then: + required: + - power-domains + - power-domain-names + + - if: + properties: + compatible: + contains: + const: img,img-axe-1-16m + then: + properties: + power-domains: + maxItems: 1 + power-domain-names: + maxItems: 1 + + - if: + properties: + compatible: + contains: + const: img,img-bxs-4-64 + then: + properties: + power-domains: + minItems: 2 + power-domain-names: + minItems: 2 + + - if: + properties: + compatible: + contains: + enum: + - ti,am62-gpu + - ti,j721s2-gpu + then: + properties: + clocks: + maxItems: 1 + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/soc/ti,sci_pm_domain.h> + + gpu@fd00000 { + compatible = "ti,am62-gpu", "img,img-axe-1-16m", "img,img-axe", + "img,img-rogue"; + reg = <0x0fd00000 0x20000>; + clocks = <&k3_clks 187 0>; + clock-names = "core"; + interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>; + power-domains = <&k3_pds 187 TI_SCI_PD_EXCLUSIVE>; + power-domain-names = "a"; + }; |