diff mbox series

[2/5] arm64: dts: qcom: qrb4210-rb2: Enable display out

Message ID 20230515-topic-rb2-bits-v1-2-a52d154a639d@linaro.org
State Accepted
Commit f7b01e07e89ced85975345b12cb63538ee07e91c
Headers show
Series QTI RB2 features | expand

Commit Message

Konrad Dybcio May 15, 2023, 1:04 p.m. UTC 
The RB2 has a HDMI output via an LT9611UXC bridge. Set it up.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 88 +++++++++++++++++++++++++++++++-
 1 file changed, 87 insertions(+), 1 deletion(-)

Comments

Konrad Dybcio May 15, 2023, 5 p.m. UTC | #1 
On 15.05.2023 17:57, Caleb Connolly wrote:
> 
> 
> On 15/05/2023 13:04, Konrad Dybcio wrote:
>> The RB2 has a HDMI output via an LT9611UXC bridge. Set it up.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
>> ---
>>  arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 88 +++++++++++++++++++++++++++++++-
>>  1 file changed, 87 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
>> index 80c6b59c8ff6..9b539720f05d 100644
>> --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
>> +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> 
> [...]
>> @@ -312,11 +385,24 @@ &sleep_clk {
>>  };
>>  
>>  &tlmm {
>> -	gpio-reserved-ranges = <37 5>, <43 2>, <47 1>,
>> +	gpio-reserved-ranges = <43 2>, <47 1>,
> 
> Is this intentional?
Yes, notice how this included the reset pin. These pins are
not even really reserved, there's no FPC on this board..

Konrad
>>  			       <49 1>, <52 1>, <54 1>,
>>  			       <56 3>, <61 2>, <64 1>,
>>  			       <68 1>, <72 8>, <96 1>;
>>  
>> +	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;
>> +	};
>> +
>>  	sdc2_card_det_n: sd-card-det-n-state {
>>  		pins = "gpio88";
>>  		function = "gpio";
>>
>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
index 80c6b59c8ff6..9b539720f05d 100644
--- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
+++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
@@ -19,6 +19,17 @@  chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con: endpoint {
+				remote-endpoint = <&lt9611_out>;
+			};
+		};
+	};
+
 	vreg_hdmi_out_1p2: regulator-hdmi-out-1p2 {
 		compatible = "regulator-fixed";
 		regulator-name = "VREG_HDMI_OUT_1P2";
@@ -109,6 +120,68 @@  &eud {
 	status = "okay";
 };
 
+&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 = <&vreg_l18a_1p232>;
+	status = "okay";
+};
+
+&mdss_dsi0_out {
+	remote-endpoint = <&lt9611_a>;
+	data-lanes = <0 1 2 3>;
+};
+
+&mdss_dsi0_phy {
+	status = "okay";
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };
@@ -312,11 +385,24 @@  &sleep_clk {
 };
 
 &tlmm {
-	gpio-reserved-ranges = <37 5>, <43 2>, <47 1>,
+	gpio-reserved-ranges = <43 2>, <47 1>,
 			       <49 1>, <52 1>, <54 1>,
 			       <56 3>, <61 2>, <64 1>,
 			       <68 1>, <72 8>, <96 1>;
 
+	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;
+	};
+
 	sdc2_card_det_n: sd-card-det-n-state {
 		pins = "gpio88";
 		function = "gpio";