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Fri, 14 Feb 2020 07:32:47 -0500 (EST) From: Maxime Ripard To: Chen-Yu Tsai , Maxime Ripard , dri-devel@lists.freedesktop.org Subject: [PATCH 1/2] dt-bindings: display: sun4i-tcon: Add LVDS Dual Link property Date: Fri, 14 Feb 2020 13:32:43 +0100 Message-Id: <20200214123244.109300-1-maxime@cerno.tech> X-Mailer: git-send-email 2.24.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200214_043253_358398_E9C90B2A X-CRM114-Status: UNSURE ( 7.49 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [66.111.4.230 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, David Airlie , Maarten Lankhorst , Rob Herring , Sean Paul , Laurent Pinchart , Daniel Vetter , Frank Rowand , linux-arm-kernel@lists.infradead.org, Maxime Ripard Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org SoCs that have multiple TCONs can use the two set of pins on the first TCON to drive a dual-link display. Add a property to enable the dual link. Signed-off-by: Maxime Ripard --- .../bindings/display/allwinner,sun4i-a10-tcon.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml index 86ad617d2327..aa6dd8409dbc 100644 --- a/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml +++ b/Documentation/devicetree/bindings/display/allwinner,sun4i-a10-tcon.yaml @@ -105,6 +105,13 @@ properties: - const: edp - const: lvds + allwinner,lvds-dual-link: + type: boolean + description: | + On a SoC with two TCON with LVDS support, the first TCON can + operate over both pins sets to output in a dual-link setup. This + will be triggered by setting this property. + ports: type: object description: |