[PATCH v2 10/12] arm64: dts: qcom: qrb2210-rb1: Set up HDMI

From: Konrad Dybcio
Date: Mon Nov 27 2023 - 10:30:02 EST


Add the required nodes to support display output via the HDMI port.

Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 86 ++++++++++++++++++++++++++++++++
1 file changed, 86 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
index 94885b9c21c8..ac6584164058 100644
--- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
+++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts
@@ -40,6 +40,17 @@ key-volume-up {
};
};

+ hdmi-connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_con: endpoint {
+ remote-endpoint = <&lt9611_out>;
+ };
+ };
+ };
+
leds {
compatible = "gpio-leds";

@@ -158,6 +169,68 @@ vph_pwr: regulator-vph-pwr {
};
};

+&gpi_dma0 {
+ status = "okay";
+};
+
+&i2c2 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ lt9611_codec: hdmi-bridge@2b {
+ compatible = "lontium,lt9611uxc";
+ reg = <0x2b>;
+ interrupts-extended = <&tlmm 46 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&tlmm 41 GPIO_ACTIVE_HIGH>;
+
+ vdd-supply = <&vreg_hdmi_out_1p2>;
+ vcc-supply = <&lt9611_3v3>;
+
+ pinctrl-0 = <&lt9611_irq_pin &lt9611_rst_pin>;
+ pinctrl-names = "default";
+ #sound-dai-cells = <1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ lt9611_a: endpoint {
+ remote-endpoint = <&mdss_dsi0_out>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+
+ lt9611_out: endpoint {
+ remote-endpoint = <&hdmi_con>;
+ };
+ };
+ };
+ };
+};
+
+&mdss {
+ status = "okay";
+};
+
+&mdss_dsi0 {
+ vdda-supply = <&pm2250_l5>;
+ status = "okay";
+};
+
+&mdss_dsi0_out {
+ remote-endpoint = <&lt9611_a>;
+ data-lanes = <0 1 2 3>;
+};
+
+&mdss_dsi0_phy {
+ status = "okay";
+};
+
&pm2250_resin {
linux,code = <KEY_VOLUMEDOWN>;
status = "okay";
@@ -377,6 +450,19 @@ &sdhc_2 {
};

&tlmm {
+ lt9611_rst_pin: lt9611-rst-state {
+ pins = "gpio41";
+ function = "gpio";
+ input-disable;
+ output-high;
+ };
+
+ lt9611_irq_pin: lt9611-irq-state {
+ pins = "gpio46";
+ function = "gpio";
+ bias-disable;
+ };
+
sd_det_in_on: sd-det-in-on-state {
pins = "gpio88";
function = "gpio";

--
2.43.0