[PATCH 1/2] arm64: dts: imx8mm-evk: Add HDMI support
Fabio Estevam
festevam at gmail.com
Tue May 30 05:56:32 PDT 2023
From: Fabio Estevam <festevam at denx.de>
imx8mm-evk has a MIPI DSI port that can be used with a ADV7535 MIPI
DSI to HDMI bridge.
Add support for it.
Signed-off-by: Fabio Estevam <festevam at denx.de>
---
arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 65 +++++++++++++++++++
1 file changed, 65 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index 3f9dfd4d3884..63a6cc509ca6 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -19,6 +19,18 @@ memory at 40000000 {
reg = <0x0 0x40000000 0 0x80000000>;
};
+ hdmi-connector {
+ compatible = "hdmi-connector";
+ label = "hdmi";
+ type = "a";
+
+ port {
+ hdmi_connector_in: endpoint {
+ remote-endpoint = <&adv7533_out>;
+ };
+ };
+ };
+
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@@ -303,6 +315,39 @@ &i2c2 {
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
+ hdmi at 3d {
+ compatible = "adi,adv7535";
+ reg = <0x3d>, <0x3c>, <0x3e>, <0x3f>;
+ reg-names = "main", "cec", "edid", "packet";
+ adi,dsi-lanes = <4>;
+
+ adi,input-depth = <8>;
+ adi,input-colorspace = "rgb";
+ adi,input-clock = "1x";
+ adi,input-style = <1>;
+ adi,input-justification = "evenly";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ reg = <0>;
+ adv7533_in: endpoint {
+ remote-endpoint = <&dsi_out>;
+ };
+ };
+
+ port at 1 {
+ reg = <1>;
+ adv7533_out: endpoint {
+ remote-endpoint = <&hdmi_connector_in>;
+ };
+ };
+
+ };
+ };
+
ptn5110: tcpc at 50 {
compatible = "nxp,ptn5110";
pinctrl-names = "default";
@@ -348,6 +393,26 @@ pca6416: gpio at 20 {
};
};
+&lcdif {
+ status = "okay";
+};
+
+&mipi_dsi {
+ samsung,esc-clock-frequency = <10000000>;
+ status = "okay";
+
+ ports {
+ port at 1 {
+ reg = <1>;
+
+ dsi_out: endpoint {
+ remote-endpoint = <&adv7533_in>;
+ data-lanes = <1 2 3 4>;
+ };
+ };
+ };
+};
+
&pcie_phy {
fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
fsl,tx-deemph-gen1 = <0x2d>;
--
2.34.1
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