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Wed, 23 Apr 2025 10:20:39 -0700 (PDT) From: Dave Stevenson Date: Wed, 23 Apr 2025 18:20:20 +0100 Subject: [PATCH v3 3/5] media: dt-bindings: media: Add binding for the Raspberry Pi HEVC decoder Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250423-media-rpi-hevc-dec-v3-3-8fd3fad1d6fb@raspberrypi.com> References: <20250423-media-rpi-hevc-dec-v3-0-8fd3fad1d6fb@raspberrypi.com> In-Reply-To: <20250423-media-rpi-hevc-dec-v3-0-8fd3fad1d6fb@raspberrypi.com> To: Sakari Ailus , Laurent Pinchart , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , John Cox , Dom Cobley , review list , Ezequiel Garcia Cc: John Cox , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Dave Stevenson X-Mailer: b4 0.14.1 Adds a binding for the HEVC decoder found on the BCM2711 / Raspberry Pi 4, and BCM2712 / Raspberry Pi 5. Signed-off-by: Dave Stevenson --- .../bindings/media/raspberrypi,hevc-dec.yaml | 70 ++++++++++++++++++++++ 1 file changed, 70 insertions(+) diff --git a/Documentation/devicetree/bindings/media/raspberrypi,hevc-dec.yaml b/Documentation/devicetree/bindings/media/raspberrypi,hevc-dec.yaml new file mode 100644 index 000000000000..b86534f2689f --- /dev/null +++ b/Documentation/devicetree/bindings/media/raspberrypi,hevc-dec.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/raspberrypi,hevc-dec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Raspberry Pi HEVC Decoder + +maintainers: + - John Cox + - Dom Cobley + - Dave Stevenson + - Raspberry Pi internal review list + +description: + The Raspberry Pi HEVC decoder is a hardware video decode accelerator block + found in the BCM2711 and BCM2712 processors used on Raspberry Pi 4 and 5 + boards respectively. + +properties: + compatible: + items: + - enum: + - brcm,bcm2711-hevc-dec + - brcm,bcm2712-hevc-dec + - const: raspberrypi,hevc-dec + + reg: + items: + - description: The HEVC main register region + - description: The Interrupt control register region + + reg-names: + items: + - const: hevc + - const: intc + + interrupts: + maxItems: 1 + + clocks: + items: + - description: The HEVC block clock + +required: + - compatible + - reg + - reg-names + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include + + video-codec@7eb10000 { + compatible = "brcm,bcm2711-hevc-dec", "raspberrypi,hevc-dec"; + reg = <0x7eb00000 0x10000>, /* HEVC */ + <0x7eb10000 0x1000>; /* INTC */ + reg-names = "hevc", + "intc"; + + interrupts = ; + + clocks = <&clk 0>; + }; + +...