[PATCH v5 1/4] dt-bindings: display: tegra: document EPP, ISP, MPE and TSEC for Tegra114+
From: Svyatoslav Ryhel <hidden>
Date: 2025-08-27 11:37:54
Also in:
linux-tegra, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, open firmware and flattened device tree bindings, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The current EPP, ISP and MPE schemas are largely compatible with Tegra114+, requiring only minor adjustments. Additionally, the TSEC schema for the Security engine, which is available from Tegra114 onwards, is included. Signed-off-by: Svyatoslav Ryhel <redacted> --- .../display/tegra/nvidia,tegra114-tsec.yaml | 68 +++++++++++++++++++ .../display/tegra/nvidia,tegra20-epp.yaml | 14 ++-- .../display/tegra/nvidia,tegra20-isp.yaml | 15 ++-- .../display/tegra/nvidia,tegra20-mpe.yaml | 18 +++-- 4 files changed, 102 insertions(+), 13 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/tegra/nvidia,tegra114-tsec.yaml
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra114-tsec.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra114-tsec.yaml
new file mode 100644
index 000000000000..2c4d519a1bb7
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra114-tsec.yaml@@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/tegra/nvidia,tegra114-tsec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra Security co-processor + +maintainers: + - Svyatoslav Ryhel <clamor95@gmail.com> + - Thierry Reding <thierry.reding@gmail.com> + +description: Tegra Security co-processor, an embedded security processor used + mainly to manage the HDCP encryption and keys on the HDMI link. + +properties: + compatible: + oneOf: + - enum: + - nvidia,tegra114-tsec + - nvidia,tegra124-tsec + - nvidia,tegra210-tsec + + - items: + - const: nvidia,tegra132-tsec + - const: nvidia,tegra124-tsec + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + iommus: + maxItems: 1 + + operating-points-v2: true + + power-domains: + maxItems: 1 + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - resets + +examples: + - | + #include <dt-bindings/clock/tegra114-car.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + tsec@54500000 { + compatible = "nvidia,tegra114-tsec"; + reg = <0x54500000 0x00040000>; + interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&tegra_car TEGRA114_CLK_TSEC>; + resets = <&tegra_car TEGRA114_CLK_TSEC>; + };
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-epp.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-epp.yaml
index 3c095a5491fe..334f5531b243 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-epp.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-epp.yaml@@ -15,10 +15,16 @@ properties: pattern: "^epp@[0-9a-f]+$" compatible: - enum: - - nvidia,tegra20-epp - - nvidia,tegra30-epp - - nvidia,tegra114-epp + oneOf: + - enum: + - nvidia,tegra20-epp + - nvidia,tegra30-epp + - nvidia,tegra114-epp + - nvidia,tegra124-epp + + - items: + - const: nvidia,tegra132-epp + - const: nvidia,tegra124-epp reg: maxItems: 1
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-isp.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-isp.yaml
index 3bc3b22e98e1..ee25b5e6f1a2 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-isp.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-isp.yaml@@ -12,10 +12,17 @@ maintainers: properties: compatible: - enum: - - nvidia,tegra20-isp - - nvidia,tegra30-isp - - nvidia,tegra210-isp + oneOf: + - enum: + - nvidia,tegra20-isp + - nvidia,tegra30-isp + - nvidia,tegra114-isp + - nvidia,tegra124-isp + - nvidia,tegra210-isp + + - items: + - const: nvidia,tegra132-isp + - const: nvidia,tegra124-isp reg: maxItems: 1
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-mpe.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-mpe.yaml
index 2cd3e60cd0a8..36b76fa8f525 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-mpe.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-mpe.yaml@@ -12,13 +12,21 @@ maintainers: properties: $nodename: - pattern: "^mpe@[0-9a-f]+$" + oneOf: + - pattern: "^mpe@[0-9a-f]+$" + - pattern: "^msenc@[0-9a-f]+$" compatible: - enum: - - nvidia,tegra20-mpe - - nvidia,tegra30-mpe - - nvidia,tegra114-mpe + oneOf: + - enum: + - nvidia,tegra20-mpe + - nvidia,tegra30-mpe + - nvidia,tegra114-msenc + - nvidia,tegra124-msenc + + - items: + - const: nvidia,tegra132-msenc + - const: nvidia,tegra124-msenc reg: maxItems: 1
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2.48.1