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[46.150.62.216]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-454913049ecsm13254407f8f.19.2026.05.09.12.00.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 09 May 2026 12:00:27 -0700 (PDT) From: Jernej Skrabec X-Google-Original-From: Jernej Skrabec To: wens@csie.org, samuel@sholland.org Cc: mripard@kernel.org, maarten.lankhorst@linux.intel.com, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, jernej.skrabec@gmail.com Subject: [PATCH v2 5/8] dt-bindings: display: allwinner: Add DE33 planes Date: Sat, 9 May 2026 21:00:12 +0200 Message-ID: <20260509190015.79086-6-jernej.skrabec@siol.net> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260509190015.79086-1-jernej.skrabec@siol.net> References: <20260509190015.79086-1-jernej.skrabec@siol.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Jernej Skrabec Allwinner Display Engine 3.3 contains planes, which are shared resources between all mixers present in SoC. They can be assigned to specific mixer by using registers which reside in display clocks MMIO. Add a binding for them. Signed-off-by: Jernej Skrabec --- Changes from v1: - dropped | for description - better description for allwinner,plane-mapping .../allwinner,sun50i-h616-de33-planes.yaml | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/allwinner,sun50i-h616-de33-planes.yaml diff --git a/Documentation/devicetree/bindings/display/allwinner,sun50i-h616-de33-planes.yaml b/Documentation/devicetree/bindings/display/allwinner,sun50i-h616-de33-planes.yaml new file mode 100644 index 000000000000..0a07cb8a5f79 --- /dev/null +++ b/Documentation/devicetree/bindings/display/allwinner,sun50i-h616-de33-planes.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/allwinner,sun50i-h616-de33-planes.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner H616 Display Engine 3.3 planes + +maintainers: + - Jernej Skrabec + +description: + Display Engine 3.3 planes are independent of mixers, contrary to + previous generations of Display Engine. Planes can be assigned to + mixers independently and even dynamically during runtime. + +properties: + compatible: + enum: + - allwinner,sun50i-h616-de33-planes + + reg: + maxItems: 1 + + allwinner,plane-mapping: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle of the device responsible for assigning (mapping) planes + between mixers. + +required: + - compatible + - reg + - allwinner,plane-mapping + +additionalProperties: false + +examples: + - | + planes: planes@100000 { + compatible = "allwinner,sun50i-h616-de33-planes"; + reg = <0x100000 0x180000>; + allwinner,plane-mapping = <&display_clocks>; + }; + +... -- 2.54.0