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There is SN65DSI84 DSI-to-LVDS bridge on the daughter card which is connected through I2C5 with reset and interrupt connected to GPIO61 and GPIO60. Backlight is driven by a generic clock-based PWM using GCC_GP3 on TLMM GPIO59, with an additional backlight enable GPIO on TLMM GPIO2. Disable the default HDMI bridge and connector in favour of the LVDS panel. Signed-off-by: Anand Tiwari --- arch/arm64/boot/dts/qcom/Makefile | 4 + .../qcom/talos-lyra-evk-lvds-auo,g133han01.dtso | 134 +++++++++++++++++++++ arch/arm64/boot/dts/qcom/talos-lyra-evk.dts | 1 + 3 files changed, 139 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index 614152913cbb..f0551bd2d8e2 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -473,6 +473,10 @@ dtb-$(CONFIG_ARCH_QCOM) += talos-evk-camera-imx577.dtb talos-evk-lvds-auo,g133han01-dtbs := \ talos-evk.dtb talos-evk-lvds-auo,g133han01.dtbo dtb-$(CONFIG_ARCH_QCOM) += talos-evk-lvds-auo,g133han01.dtb +talos-lyra-evk-lvds-auo,g133han01-dtbs := \ + talos-lyra-evk.dtb talos-lyra-evk-lvds-auo,g133han01.dtbo +dtb-$(CONFIG_ARCH_QCOM) += talos-lyra-evk-lvds-auo,g133han01.dtb +dtb-$(CONFIG_ARCH_QCOM) += talos-lyra-evk-lvds-auo,g133han01.dtbo talos-evk-rpi-display-2-5in-dtbs := \ talos-evk.dtb talos-evk-rpi-display-2-5in.dtbo dtb-$(CONFIG_ARCH_QCOM) += talos-evk-rpi-display-2-5in.dtb diff --git a/arch/arm64/boot/dts/qcom/talos-lyra-evk-lvds-auo,g133han01.dtso b/arch/arm64/boot/dts/qcom/talos-lyra-evk-lvds-auo,g133han01.dtso new file mode 100644 index 000000000000..3edb56937446 --- /dev/null +++ b/arch/arm64/boot/dts/qcom/talos-lyra-evk-lvds-auo,g133han01.dtso @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: BSD-3-Clause +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +/dts-v1/; +/plugin/; + +#include +#include +#include +#include + +&{/} { + bklt_pwm: pwm { + compatible = "clk-pwm"; + #pwm-cells = <2>; + assigned-clock-parents = <&rpmhcc RPMH_CXO_CLK>; + assigned-clocks = <&gcc GCC_GP3_CLK_SRC>; + clocks = <&gcc GCC_GP3_CLK>; + pinctrl-0 = <&bklt_pwm_default>; + pinctrl-names = "default"; + }; + + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&bklt_pwm 0 100000>; + power-supply = <&vreg_disp_3p3>; + enable-gpios = <&tlmm 2 GPIO_ACTIVE_HIGH>; + brightness-levels = <0 255>; + num-interpolated-steps = <255>; + default-brightness-level = <128>; + }; + + panel-lvds { + compatible = "auo,g133han01"; + power-supply = <&vreg_disp_3p3>; + backlight = <&backlight>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + /* LVDS Channel A — odd pixels */ + port@0 { + reg = <0>; + dual-lvds-odd-pixels; + + lvds_panel_out_a: endpoint { + remote-endpoint = <&sn65dsi84_out_a>; + }; + }; + + /* LVDS Channel B — even pixels */ + port@1 { + reg = <1>; + dual-lvds-even-pixels; + + lvds_panel_out_b: endpoint { + remote-endpoint = <&sn65dsi84_out_b>; + }; + }; + }; + }; + +}; + +&hdmi_connector { + status = "disabled"; +}; + +&i2c5 { + #address-cells = <1>; + #size-cells = <0>; + + bridge@2c { + compatible = "ti,sn65dsi84"; + reg = <0x2c>; + enable-gpios = <&tlmm 61 GPIO_ACTIVE_HIGH>; + interrupts-extended = <&tlmm 60 IRQ_TYPE_EDGE_FALLING>; + vcc-supply = <&vreg_s4a>; + + pinctrl-0 = <&bridge_irq_pin &bridge_rst_pin>; + pinctrl-names = "default"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + sn65dsi84_in: endpoint { + remote-endpoint = <&mdss_dsi0_out>; + data-lanes = <1 2 3 4>; + }; + }; + + port@2 { + reg = <2>; + + sn65dsi84_out_a: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&lvds_panel_out_a>; + }; + }; + + port@3 { + reg = <3>; + + sn65dsi84_out_b: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&lvds_panel_out_b>; + }; + }; + }; + }; +}; + +&hdmi_bridge { + status = "disabled"; +}; + +&tlmm { + bklt_pwm_default: bklt-pwm-default-state { + pins = "gpio59"; + function = "gcc_gp"; + }; +}; + +&mdss_dsi0_out { + remote-endpoint = <&sn65dsi84_in>; + data-lanes = <0 1 2 3>; +}; diff --git a/arch/arm64/boot/dts/qcom/talos-lyra-evk.dts b/arch/arm64/boot/dts/qcom/talos-lyra-evk.dts index ec5c10a40521..20967c294543 100644 --- a/arch/arm64/boot/dts/qcom/talos-lyra-evk.dts +++ b/arch/arm64/boot/dts/qcom/talos-lyra-evk.dts @@ -15,6 +15,7 @@ / { aliases { i2c2 = &i2c2; + i2c5 = &i2c5; }; dp0-connector { -- 2.55.0