diff options
Diffstat (limited to 'arch/arm64/boot/dts/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi')
-rw-r--r-- | arch/arm64/boot/dts/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi new file mode 100644 index 0000000000..b0c3be4c3b --- /dev/null +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor-ti-sn65dsi86.dtsi @@ -0,0 +1,105 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Google Trogdor dts fragment for the boards with TI sn65dsi86 edp bridge + * + * Copyright 2021 Google LLC. + */ + +#include <dt-bindings/gpio/gpio.h> + +/* + * ADDITIONS TO FIXED REGULATORS DEFINED IN PARENT DEVICE TREE FILES + * + * Sort order matches the order in the parent files (parents before children). + */ + +&pp3300_dx_edp { + off-on-delay-us = <500000>; + + /* + * It's nicer to start with this regulator enabled. The + * bootloader may have left it on and it's nice not to cause an + * extra power cycle of the touchscreen and eDP panel at bootup. + * This should help speed bootup because we have off-on-delay-us. + */ + regulator-boot-on; +}; + +/* ADDITIONS TO NODES DEFINED IN PARENT DEVICE TREE FILES */ + +edp_brij_i2c: &i2c2 { + status = "okay"; + clock-frequency = <400000>; + + sn65dsi86_bridge: bridge@2d { + compatible = "ti,sn65dsi86"; + reg = <0x2d>; + pinctrl-names = "default"; + pinctrl-0 = <&edp_brij_en>, <&edp_brij_irq>; + gpio-controller; + #gpio-cells = <2>; + + interrupt-parent = <&tlmm>; + interrupts = <11 IRQ_TYPE_LEVEL_HIGH>; + + enable-gpios = <&tlmm 104 GPIO_ACTIVE_HIGH>; + + vpll-supply = <&pp1800_edp_vpll>; + vccio-supply = <&pp1800_brij_vccio>; + vcca-supply = <&pp1200_brij>; + vcc-supply = <&pp1200_brij>; + + clocks = <&rpmhcc RPMH_LN_BB_CLK3>; + clock-names = "refclk"; + + no-hpd; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + sn65dsi86_in: endpoint { + remote-endpoint = <&mdss_dsi0_out>; + }; + }; + + port@1 { + reg = <1>; + sn65dsi86_out: endpoint { + data-lanes = <0 1>; + remote-endpoint = <&panel_in_edp>; + }; + }; + }; + + aux-bus { + panel: panel { + /* Compatible will be filled in per-board */ + power-supply = <&pp3300_dx_edp>; + backlight = <&backlight>; + hpd-gpios = <&sn65dsi86_bridge 2 GPIO_ACTIVE_HIGH>; + + port { + panel_in_edp: endpoint { + remote-endpoint = <&sn65dsi86_out>; + }; + }; + }; + }; + }; +}; + +&mdss_dsi0_out { + remote-endpoint = <&sn65dsi86_in>; +}; + +&tlmm { + edp_brij_irq: edp-brij-irq-state { + pins = "gpio11"; + function = "gpio"; + drive-strength = <2>; + bias-pull-down; + }; +}; |