blob: 895fb346ac72cb225b87c20bb4b70164b9b7f928 [file] [log] [blame]
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/gpu/host1x/nvidia,tegra210-nvjpg.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: NVIDIA Tegra NVJPG
description: |
NVJPG is the hardware JPEG decoder and encoder present on NVIDIA Tegra210
and newer chips. It is located on the Host1x bus and typically programmed
through Host1x channels.
maintainers:
- Thierry Reding <treding@gmail.com>
- Mikko Perttunen <mperttunen@nvidia.com>
properties:
$nodename:
pattern: "^nvjpg@[0-9a-f]*$"
compatible:
enum:
- nvidia,tegra210-nvjpg
- nvidia,tegra186-nvjpg
- nvidia,tegra194-nvjpg
reg:
maxItems: 1
clocks:
maxItems: 1
clock-names:
items:
- const: nvjpg
resets:
maxItems: 1
reset-names:
items:
- const: nvjpg
power-domains:
maxItems: 1
iommus:
maxItems: 1
dma-coherent: true
interconnects:
items:
- description: DMA read memory client
- description: DMA write memory client
interconnect-names:
items:
- const: dma-mem
- const: write
required:
- compatible
- reg
- clocks
- clock-names
- resets
- reset-names
- power-domains
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/tegra186-clock.h>
#include <dt-bindings/memory/tegra186-mc.h>
#include <dt-bindings/power/tegra186-powergate.h>
#include <dt-bindings/reset/tegra186-reset.h>
nvjpg@15380000 {
compatible = "nvidia,tegra186-nvjpg";
reg = <0x15380000 0x40000>;
clocks = <&bpmp TEGRA186_CLK_NVJPG>;
clock-names = "nvjpg";
resets = <&bpmp TEGRA186_RESET_NVJPG>;
reset-names = "nvjpg";
power-domains = <&bpmp TEGRA186_POWER_DOMAIN_NVJPG>;
interconnects = <&mc TEGRA186_MEMORY_CLIENT_NVJPGSRD &emc>,
<&mc TEGRA186_MEMORY_CLIENT_NVJPGSWR &emc>;
interconnect-names = "dma-mem", "write";
iommus = <&smmu TEGRA186_SID_NVJPG>;
};