diff mbox series

arm64: dts: qcom: enable dual ("bonded") DSI mode for DB845c

Message ID 20230504160430.4014206-1-dmitry.baryshkov@linaro.org
State Accepted
Commit 8721e18ca6960f3c5a6a7f58245d9ab084ad09dd
Headers show
Series arm64: dts: qcom: enable dual ("bonded") DSI mode for DB845c | expand

Commit Message

Dmitry Baryshkov May 4, 2023, 4:04 p.m. UTC 
Now as both lt9611 and drm/msm drivers were updated to handle the 4k
modes over DSI, enable "bonded" DSI mode on DB845c. This way the board
utilizes both DSI links and thus can support 4k on the HDMI output.

Cc: Amit Pundir <amit.pundir@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index e14fe9bbb386..4dea2c04b22f 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -419,6 +419,9 @@  &dsi0 {
 	status = "okay";
 	vdda-supply = <&vreg_l26a_1p2>;
 
+	qcom,dual-dsi-mode;
+	qcom,master-dsi;
+
 	ports {
 		port@1 {
 			endpoint {
@@ -434,6 +437,31 @@  &dsi0_phy {
 	vdds-supply = <&vreg_l1a_0p875>;
 };
 
+&dsi1 {
+	vdda-supply = <&vreg_l26a_1p2>;
+
+	qcom,dual-dsi-mode;
+
+	/* DSI1 is slave, so use DSI0 clocks */
+	assigned-clock-parents = <&dsi0_phy 0>, <&dsi0_phy 1>;
+
+	status = "okay";
+
+	ports {
+		port@1 {
+			endpoint {
+				remote-endpoint = <&lt9611_b>;
+				data-lanes = <0 1 2 3>;
+			};
+		};
+	};
+};
+
+&dsi1_phy {
+	vdds-supply = <&vreg_l1a_0p875>;
+	status = "okay";
+};
+
 &gcc {
 	protected-clocks = <GCC_QSPI_CORE_CLK>,
 			   <GCC_QSPI_CORE_CLK_SRC>,
@@ -493,6 +521,14 @@  lt9611_a: endpoint {
 				};
 			};
 
+			port@1 {
+				reg = <1>;
+
+				lt9611_b: endpoint {
+					remote-endpoint = <&dsi1_out>;
+				};
+			};
+
 			port@2 {
 				reg = <2>;