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-rw-r--r-- | Documentation/devicetree/bindings/remoteproc/ingenic,vpu.yaml | 77 |
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diff --git a/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.yaml b/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.yaml new file mode 100644 index 000000000..aaaaabad4 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/ingenic,vpu.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/remoteproc/ingenic,vpu.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Ingenic Video Processing Unit bindings + +description: + Inside the Video Processing Unit (VPU) of the recent JZ47xx SoCs from + Ingenic is a second Xburst MIPS CPU very similar to the main core. + This document describes the devicetree bindings for this auxiliary + processor. + +maintainers: + - Paul Cercueil <paul@crapouillou.net> + +properties: + compatible: + const: ingenic,jz4770-vpu-rproc + + reg: + items: + - description: aux registers + - description: tcsm0 registers + - description: tcsm1 registers + - description: sram registers + + reg-names: + items: + - const: aux + - const: tcsm0 + - const: tcsm1 + - const: sram + + clocks: + items: + - description: aux clock + - description: vpu clock + + clock-names: + items: + - const: aux + - const: vpu + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - interrupts + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/ingenic,jz4770-cgu.h> + + vpu: video-decoder@132a0000 { + compatible = "ingenic,jz4770-vpu-rproc"; + + reg = <0x132a0000 0x20>, /* AUX */ + <0x132b0000 0x4000>, /* TCSM0 */ + <0x132c0000 0xc000>, /* TCSM1 */ + <0x132f0000 0x7000>; /* SRAM */ + reg-names = "aux", "tcsm0", "tcsm1", "sram"; + + clocks = <&cgu JZ4770_CLK_AUX>, <&cgu JZ4770_CLK_VPU>; + clock-names = "aux", "vpu"; + + interrupt-parent = <&cpuintc>; + interrupts = <3>; + }; |