Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/remoteproc/ingenic,vpu.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Ingenic Video Processing Unit |
| 8 | |
| 9 | description: |
| 10 | Inside the Video Processing Unit (VPU) of the recent JZ47xx SoCs from |
| 11 | Ingenic is a second Xburst MIPS CPU very similar to the main core. |
| 12 | This document describes the devicetree bindings for this auxiliary |
| 13 | processor. |
| 14 | |
| 15 | maintainers: |
| 16 | - Paul Cercueil <paul@crapouillou.net> |
| 17 | |
| 18 | properties: |
| 19 | compatible: |
| 20 | const: ingenic,jz4770-vpu-rproc |
| 21 | |
| 22 | reg: |
| 23 | items: |
| 24 | - description: aux registers |
| 25 | - description: tcsm0 registers |
| 26 | - description: tcsm1 registers |
| 27 | - description: sram registers |
| 28 | |
| 29 | reg-names: |
| 30 | items: |
| 31 | - const: aux |
| 32 | - const: tcsm0 |
| 33 | - const: tcsm1 |
| 34 | - const: sram |
| 35 | |
| 36 | clocks: |
| 37 | items: |
| 38 | - description: aux clock |
| 39 | - description: vpu clock |
| 40 | |
| 41 | clock-names: |
| 42 | items: |
| 43 | - const: aux |
| 44 | - const: vpu |
| 45 | |
| 46 | interrupts: |
| 47 | maxItems: 1 |
| 48 | |
| 49 | required: |
| 50 | - compatible |
| 51 | - reg |
| 52 | - reg-names |
| 53 | - clocks |
| 54 | - clock-names |
| 55 | - interrupts |
| 56 | |
| 57 | additionalProperties: false |
| 58 | |
| 59 | examples: |
| 60 | - | |
| 61 | #include <dt-bindings/clock/ingenic,jz4770-cgu.h> |
| 62 | |
| 63 | vpu: video-decoder@132a0000 { |
| 64 | compatible = "ingenic,jz4770-vpu-rproc"; |
| 65 | |
| 66 | reg = <0x132a0000 0x20>, /* AUX */ |
| 67 | <0x132b0000 0x4000>, /* TCSM0 */ |
| 68 | <0x132c0000 0xc000>, /* TCSM1 */ |
| 69 | <0x132f0000 0x7000>; /* SRAM */ |
| 70 | reg-names = "aux", "tcsm0", "tcsm1", "sram"; |
| 71 | |
| 72 | clocks = <&cgu JZ4770_CLK_AUX>, <&cgu JZ4770_CLK_VPU>; |
| 73 | clock-names = "aux", "vpu"; |
| 74 | |
| 75 | interrupt-parent = <&cpuintc>; |
| 76 | interrupts = <3>; |
| 77 | }; |