Rb3Gen2 has a lt9611uxc DSI-to-HDMI bridge on i2c0, with reset gpio from pm7250b gpio2 and irq gpio from tlmm gpio24. Bridge supplies are Vdd connected to input supply directly and vcc to L11c. Enable HDMI output, bridge and corresponding DSI output. Signed-off-by: Venkata Prahlad Valluru <quic_vvalluru@xxxxxxxxxxx> --- v3: - Updated commit text - Arranged nodes in alphabetical order - Fixed signoff - Fixed drive strength for lt9611_irq_pin - Removed 'label' from hdmi-connector, which is optional v2: Addressed dtschema errors - Fixed lt9611-irq - vdd-supply error to be ignored, as it is connected to input supply directly, on rb3gen2 --- arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 85 ++++++++++++++++++++ 1 file changed, 85 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts index a085ff5b5fb2..24b0b9525ea4 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts @@ -52,6 +52,17 @@ }; }; + hdmi-connector { + compatible = "hdmi-connector"; + type = "a"; + + port { + hdmi_con: endpoint { + remote-endpoint = <<9611_out>; + }; + }; + }; + reserved-memory { xbl_mem: xbl@80700000 { reg = <0x0 0x80700000 0x0 0x100000>; @@ -530,6 +541,45 @@ <GCC_WPSS_RSCP_CLK>; }; +&i2c0 { + clock-frequency = <400000>; + status = "okay"; + + lt9611_codec: hdmi-bridge@2b { + compatible = "lontium,lt9611uxc"; + reg = <0x2b>; + + interrupts-extended = <&tlmm 24 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&pm7250b_gpios 2 GPIO_ACTIVE_HIGH>; + + vcc-supply = <&vreg_l11c_2p8>; + + pinctrl-names = "default"; + pinctrl-0 = <<9611_irq_pin <9611_rst_pin>; + + 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>; + }; + }; + }; + }; +}; + &i2c1 { status = "okay"; @@ -587,6 +637,21 @@ remote-endpoint = <&usb_dp_qmpphy_dp_in>; }; +&mdss_dsi { + vdda-supply = <&vreg_l6b_1p2>; + status = "okay"; +}; + +&mdss_dsi0_out { + remote-endpoint = <<9611_a>; + data-lanes = <0 1 2 3>; +}; + +&mdss_dsi_phy { + vdds-supply = <&vreg_l10c_0p88>; + status = "okay"; +}; + &mdss_edp { status = "okay"; }; @@ -711,3 +776,23 @@ function = "gpio"; bias-disable; }; + +&pm7250b_gpios { + lt9611_rst_pin: lt9611-rst-state { + pins = "gpio2"; + function = "normal"; + + output-high; + input-disable; + power-source = <0>; + }; +}; + +&tlmm { + lt9611_irq_pin: lt9611-irq-state { + pins = "gpio24"; + function = "gpio"; + drive-strength = <2>; + bias-disable; + }; +}; -- 2.17.1