2022-12-30 15:58:25

by Robert Foss

Subject: [PATCH v4 11/11] arm64: dts: qcom: sm8350-hdk: Enable lt9611uxc dsi-hdmi bridge

The sm8350-hdk ships with the LT9611 UXC DSI/HDMI bridge chip.

In order to toggle the board to enable the HDMI output,
switch #7 & #8 on the rightmost multi-switch package have
to be toggled to On.

Signed-off-by: Robert Foss <[email protected]>
---
arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 105 ++++++++++++++++++++++++
1 file changed, 105 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
index 1961f941ff83..6b21897c92dc 100644
--- a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
@@ -20,6 +20,17 @@ chosen {
stdout-path = "serial0:115200n8";
};

+ hdmi-connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_con: endpoint {
+ remote-endpoint = <&lt9611_out>;
+ };
+ };
+ };
+
vph_pwr: vph-pwr-regulator {
compatible = "regulator-fixed";
regulator-name = "vph_pwr";
@@ -29,6 +40,31 @@ vph_pwr: vph-pwr-regulator {
regulator-always-on;
regulator-boot-on;
};
+
+ lt9611_1v2: lt9611-1v2-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "LT9611_1V2";
+
+ vin-supply = <&vph_pwr>;
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ gpio = <&tlmm 49 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ regulator-boot-on;
+ };
+
+ lt9611_3v3: lt9611-3v3-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "LT9611_3V3";
+
+ vin-supply = <&vreg_bob>;
+ gpio = <&tlmm 47 GPIO_ACTIVE_HIGH>;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ regulator-boot-on;
+ regulator-always-on;
+ };
};

&adsp {
@@ -220,6 +256,15 @@ &dispcc {
&mdss_dsi0 {
vdda-supply = <&vreg_l6b_1p2>;
status = "okay";
+
+ ports {
+ port@1 {
+ endpoint {
+ remote-endpoint = <&lt9611_a>;
+ data-lanes = <0 1 2 3>;
+ };
+ };
+ };
};

&mdss_dsi0_phy {
@@ -231,6 +276,46 @@ &gpi_dma1 {
status = "okay";
};

+&i2c15 {
+ clock-frequency = <400000>;
+ status = "okay";
+
+ lt9611_codec: hdmi-bridge@2b {
+ compatible = "lontium,lt9611uxc";
+ reg = <0x2b>;
+
+ interrupts-extended = <&tlmm 50 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&tlmm 48 GPIO_ACTIVE_HIGH>;
+
+ vdd-supply = <&lt9611_1v2>;
+ vcc-supply = <&lt9611_3v3>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&lt9611_state>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ lt9611_a: endpoint {
+ remote-endpoint = <&dsi0_out>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+
+ lt9611_out: endpoint {
+ remote-endpoint = <&hdmi_con>;
+ };
+ };
+ };
+ };
+};
+
&mdss {
status = "okay";
};
@@ -248,6 +333,10 @@ &qupv3_id_0 {
status = "okay";
};

+&qupv3_id_2 {
+ status = "okay";
+};
+
&slpi {
status = "okay";
firmware-name = "qcom/sm8350/slpi.mbn";
@@ -544,4 +633,20 @@ usb_hub_enabled_state: usb-hub-enabled-state {
drive-strength = <2>;
output-low;
};
+
+ lt9611_state: lt9611-state {
+ rst {
+ pins = "gpio48";
+ function = "normal";
+
+ output-high;
+ input-disable;
+ };
+
+ irq {
+ pins = "gpio50";
+ function = "gpio";
+ bias-disable;
+ };
+ };
};
--
2.34.1

2023-03-08 23:51:38

by Jessica Zhang

Subject: Re: [PATCH v4 11/11] arm64: dts: qcom: sm8350-hdk: Enable lt9611uxc dsi-hdmi bridge

On 12/30/2022 7:35 AM, Robert Foss wrote:
> The sm8350-hdk ships with the LT9611 UXC DSI/HDMI bridge chip.
>
> In order to toggle the board to enable the HDMI output,
> switch #7 & #8 on the rightmost multi-switch package have
> to be toggled to On.
>
> Signed-off-by: Robert Foss <[email protected]>

Reviewed-by: Jessica Zhang <[email protected]>
Tested-by: Jessica Zhang <[email protected]> #SM8350 (HDK)

> ---
> arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 105 ++++++++++++++++++++++++
> 1 file changed, 105 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
> index 1961f941ff83..6b21897c92dc 100644
> --- a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
> @@ -20,6 +20,17 @@ chosen {
> stdout-path = "serial0:115200n8";
> };
>
> + hdmi-connector {
> + compatible = "hdmi-connector";
> + type = "a";
> +
> + port {
> + hdmi_con: endpoint {
> + remote-endpoint = <&lt9611_out>;
> + };
> + };
> + };
> +
> vph_pwr: vph-pwr-regulator {
> compatible = "regulator-fixed";
> regulator-name = "vph_pwr";
> @@ -29,6 +40,31 @@ vph_pwr: vph-pwr-regulator {
> regulator-always-on;
> regulator-boot-on;
> };
> +
> + lt9611_1v2: lt9611-1v2-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "LT9611_1V2";
> +
> + vin-supply = <&vph_pwr>;
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + gpio = <&tlmm 49 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-boot-on;
> + };
> +
> + lt9611_3v3: lt9611-3v3-regulator {
> + compatible = "regulator-fixed";
> + regulator-name = "LT9611_3V3";
> +
> + vin-supply = <&vreg_bob>;
> + gpio = <&tlmm 47 GPIO_ACTIVE_HIGH>;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + enable-active-high;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> };
>
> &adsp {
> @@ -220,6 +256,15 @@ &dispcc {
> &mdss_dsi0 {
> vdda-supply = <&vreg_l6b_1p2>;
> status = "okay";
> +
> + ports {
> + port@1 {
> + endpoint {
> + remote-endpoint = <&lt9611_a>;
> + data-lanes = <0 1 2 3>;
> + };
> + };
> + };
> };
>
> &mdss_dsi0_phy {
> @@ -231,6 +276,46 @@ &gpi_dma1 {
> status = "okay";
> };
>
> +&i2c15 {
> + clock-frequency = <400000>;
> + status = "okay";
> +
> + lt9611_codec: hdmi-bridge@2b {
> + compatible = "lontium,lt9611uxc";
> + reg = <0x2b>;
> +
> + interrupts-extended = <&tlmm 50 IRQ_TYPE_EDGE_FALLING>;
> + reset-gpios = <&tlmm 48 GPIO_ACTIVE_HIGH>;
> +
> + vdd-supply = <&lt9611_1v2>;
> + vcc-supply = <&lt9611_3v3>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&lt9611_state>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + lt9611_a: endpoint {
> + remote-endpoint = <&dsi0_out>;
> + };
> + };
> +
> + port@2 {
> + reg = <2>;
> +
> + lt9611_out: endpoint {
> + remote-endpoint = <&hdmi_con>;
> + };
> + };
> + };
> + };
> +};
> +
> &mdss {
> status = "okay";
> };
> @@ -248,6 +333,10 @@ &qupv3_id_0 {
> status = "okay";
> };
>
> +&qupv3_id_2 {
> + status = "okay";
> +};
> +
> &slpi {
> status = "okay";
> firmware-name = "qcom/sm8350/slpi.mbn";
> @@ -544,4 +633,20 @@ usb_hub_enabled_state: usb-hub-enabled-state {
> drive-strength = <2>;
> output-low;
> };
> +
> + lt9611_state: lt9611-state {
> + rst {
> + pins = "gpio48";
> + function = "normal";
> +
> + output-high;
> + input-disable;
> + };
> +
> + irq {
> + pins = "gpio50";
> + function = "gpio";
> + bias-disable;
> + };
> + };
> };
> --
> 2.34.1
>