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Wed, 04 Feb 2026 09:32:06 -0800 (PST) Received: from dario-ThinkPad-P14s-Gen-5.amarulasolutions.com ([2.196.42.58]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-436180640f2sm7241565f8f.39.2026.02.04.09.32.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Feb 2026 09:32:04 -0800 (PST) From: Dario Binacchi To: linux-kernel@vger.kernel.org Cc: linux-amarula@amarulasolutions.com, Dario Binacchi , Rob Herring , Conor Dooley , David Airlie , Jessica Zhang , Krzysztof Kozlowski , Maarten Lankhorst , Maxime Ripard , Michael Walle , Neil Armstrong , Simona Vetter , Thomas Zimmermann , devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v4 3/4] dt-bindings: ili9806e: add Rocktech RK050HR345-CT106A display Date: Wed, 4 Feb 2026 18:31:19 +0100 Message-ID: <20260204173154.337674-4-dario.binacchi@amarulasolutions.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260204173154.337674-1-dario.binacchi@amarulasolutions.com> References: <20260204173154.337674-1-dario.binacchi@amarulasolutions.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Document the Rocktech 5" 480x854 panel based on the Ilitek ILI9806E controller. This panel uses SPI for control and an RGB interface for display data, so adjust the binding requirements accordingly. Reviewed-by: Rob Herring (Arm) Signed-off-by: Dario Binacchi --- (no changes since v3) Changes in v3: - Add Reviewed-by tag of Rob Herring Changes in v2: - Restore vdd-supply as required for both DSI and SPI types - Dop useless settings in case of rocktech,rk050hr345-ct106a .../display/panel/ilitek,ili9806e.yaml | 38 ++++++++++++++++++- 1 file changed, 36 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9806= e.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.ya= ml index f80307579485..2080d9e0ffac 100644 --- a/Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9806e.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/display/panel/ilitek,ili9806e.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# =20 -title: Ilitek ILI9806E based MIPI-DSI panels +title: Ilitek ILI9806E based panels =20 maintainers: - Michael Walle @@ -18,6 +18,7 @@ properties: - enum: - densitron,dmt028vghmcmi-1d - ortustech,com35h3p70ulc + - rocktech,rk050hr345-ct106a - const: ilitek,ili9806e =20 reg: @@ -30,11 +31,24 @@ required: - compatible - reg - vdd-supply - - vccio-supply - reset-gpios - backlight - port =20 +if: + properties: + compatible: + contains: + enum: + - rocktech,rk050hr345-ct106a +then: + $ref: /schemas/spi/spi-peripheral-props.yaml# + required: + - spi-max-frequency +else: + required: + - vccio-supply + unevaluatedProperties: false =20 examples: @@ -60,5 +74,25 @@ examples: }; }; }; + - | + #include + + spi { + #address-cells =3D <1>; + #size-cells =3D <0>; =20 + panel@0 { + compatible =3D "rocktech,rk050hr345-ct106a", "ilitek,ili9806e"; + reg =3D <0>; + vdd-supply =3D <®_vdd_panel>; + spi-max-frequency =3D <10000000>; + reset-gpios =3D <&gpiob 6 GPIO_ACTIVE_LOW>; + backlight =3D <&backlight>; + port { + panel_in_rgb: endpoint { + remote-endpoint =3D <<dc_out_rgb>; + }; + }; + }; + }; ... --=20 2.43.0