1c66ec88fSEmmanuel Vadot// SPDX-License-Identifier: GPL-2.0 2c66ec88fSEmmanuel Vadot/* 3c66ec88fSEmmanuel Vadot * Device Tree Source for the Silicon Linux RZ/G2E evaluation kit (EK874), 4c66ec88fSEmmanuel Vadot * connected to an Advantech IDK-2121WR 21.5" LVDS panel 5c66ec88fSEmmanuel Vadot * 6c66ec88fSEmmanuel Vadot * Copyright (C) 2019 Renesas Electronics Corp. 7c66ec88fSEmmanuel Vadot */ 8c66ec88fSEmmanuel Vadot 9c66ec88fSEmmanuel Vadot#include "r8a774c0-ek874.dts" 10c66ec88fSEmmanuel Vadot 11c66ec88fSEmmanuel Vadot/ { 12c66ec88fSEmmanuel Vadot backlight: backlight { 13c66ec88fSEmmanuel Vadot compatible = "pwm-backlight"; 14c66ec88fSEmmanuel Vadot pwms = <&pwm5 0 50000>; 15c66ec88fSEmmanuel Vadot 16c66ec88fSEmmanuel Vadot brightness-levels = <0 4 8 16 32 64 128 255>; 17c66ec88fSEmmanuel Vadot default-brightness-level = <6>; 18c66ec88fSEmmanuel Vadot 19c66ec88fSEmmanuel Vadot power-supply = <®_12p0v>; 20c66ec88fSEmmanuel Vadot enable-gpios = <&gpio6 12 GPIO_ACTIVE_HIGH>; 21c66ec88fSEmmanuel Vadot }; 22c66ec88fSEmmanuel Vadot 23c66ec88fSEmmanuel Vadot panel-lvds { 24c66ec88fSEmmanuel Vadot compatible = "advantech,idk-2121wr", "panel-lvds"; 25c66ec88fSEmmanuel Vadot 26c66ec88fSEmmanuel Vadot width-mm = <476>; 27c66ec88fSEmmanuel Vadot height-mm = <268>; 28c66ec88fSEmmanuel Vadot 29c66ec88fSEmmanuel Vadot data-mapping = "vesa-24"; 30c66ec88fSEmmanuel Vadot 31c66ec88fSEmmanuel Vadot panel-timing { 32c66ec88fSEmmanuel Vadot clock-frequency = <148500000>; 33c66ec88fSEmmanuel Vadot hactive = <1920>; 34c66ec88fSEmmanuel Vadot vactive = <1080>; 35c66ec88fSEmmanuel Vadot hsync-len = <44>; 36c66ec88fSEmmanuel Vadot hfront-porch = <88>; 37c66ec88fSEmmanuel Vadot hback-porch = <148>; 38c66ec88fSEmmanuel Vadot vfront-porch = <4>; 39c66ec88fSEmmanuel Vadot vback-porch = <36>; 40c66ec88fSEmmanuel Vadot vsync-len = <5>; 41c66ec88fSEmmanuel Vadot }; 42c66ec88fSEmmanuel Vadot 43c66ec88fSEmmanuel Vadot ports { 44c66ec88fSEmmanuel Vadot #address-cells = <1>; 45c66ec88fSEmmanuel Vadot #size-cells = <0>; 46c66ec88fSEmmanuel Vadot 47c66ec88fSEmmanuel Vadot port@0 { 48c66ec88fSEmmanuel Vadot reg = <0>; 49c66ec88fSEmmanuel Vadot dual-lvds-odd-pixels; 50c66ec88fSEmmanuel Vadot panel_in0: endpoint { 51c66ec88fSEmmanuel Vadot remote-endpoint = <&lvds0_out>; 52c66ec88fSEmmanuel Vadot }; 53c66ec88fSEmmanuel Vadot }; 54c66ec88fSEmmanuel Vadot 55c66ec88fSEmmanuel Vadot port@1 { 56c66ec88fSEmmanuel Vadot reg = <1>; 57c66ec88fSEmmanuel Vadot dual-lvds-even-pixels; 58c66ec88fSEmmanuel Vadot panel_in1: endpoint { 59c66ec88fSEmmanuel Vadot remote-endpoint = <&lvds1_out>; 60c66ec88fSEmmanuel Vadot }; 61c66ec88fSEmmanuel Vadot }; 62c66ec88fSEmmanuel Vadot }; 63c66ec88fSEmmanuel Vadot }; 64c66ec88fSEmmanuel Vadot}; 65c66ec88fSEmmanuel Vadot 66c66ec88fSEmmanuel Vadot&gpio0 { 67c66ec88fSEmmanuel Vadot /* 68c66ec88fSEmmanuel Vadot * When GP0_17 is low LVDS[01] are connected to the LVDS connector 69c66ec88fSEmmanuel Vadot * When GP0_17 is high LVDS[01] are connected to the LT8918L 70c66ec88fSEmmanuel Vadot */ 71*c9ccf3a3SEmmanuel Vadot lvds-connector-en-hog { 72c66ec88fSEmmanuel Vadot gpio-hog; 73c66ec88fSEmmanuel Vadot gpios = <17 GPIO_ACTIVE_HIGH>; 74c66ec88fSEmmanuel Vadot output-low; 75c66ec88fSEmmanuel Vadot line-name = "lvds-connector-en-gpio"; 76c66ec88fSEmmanuel Vadot }; 77c66ec88fSEmmanuel Vadot}; 78c66ec88fSEmmanuel Vadot 79c66ec88fSEmmanuel Vadot&lvds0 { 80c66ec88fSEmmanuel Vadot ports { 81c66ec88fSEmmanuel Vadot port@1 { 82c66ec88fSEmmanuel Vadot lvds0_out: endpoint { 83c66ec88fSEmmanuel Vadot remote-endpoint = <&panel_in0>; 84c66ec88fSEmmanuel Vadot }; 85c66ec88fSEmmanuel Vadot }; 86c66ec88fSEmmanuel Vadot }; 87c66ec88fSEmmanuel Vadot}; 88c66ec88fSEmmanuel Vadot 89c66ec88fSEmmanuel Vadot&lvds1 { 90c66ec88fSEmmanuel Vadot status = "okay"; 91c66ec88fSEmmanuel Vadot 92c66ec88fSEmmanuel Vadot clocks = <&cpg CPG_MOD 727>, <&x13_clk>, <&extal_clk>; 93c66ec88fSEmmanuel Vadot clock-names = "fck", "dclkin.0", "extal"; 94c66ec88fSEmmanuel Vadot 95c66ec88fSEmmanuel Vadot ports { 96c66ec88fSEmmanuel Vadot port@1 { 97c66ec88fSEmmanuel Vadot lvds1_out: endpoint { 98c66ec88fSEmmanuel Vadot remote-endpoint = <&panel_in1>; 99c66ec88fSEmmanuel Vadot }; 100c66ec88fSEmmanuel Vadot }; 101c66ec88fSEmmanuel Vadot }; 102c66ec88fSEmmanuel Vadot}; 103c66ec88fSEmmanuel Vadot 104c66ec88fSEmmanuel Vadot&pfc { 105c66ec88fSEmmanuel Vadot pwm5_pins: pwm5 { 106c66ec88fSEmmanuel Vadot groups = "pwm5_a"; 107c66ec88fSEmmanuel Vadot function = "pwm5"; 108c66ec88fSEmmanuel Vadot }; 109c66ec88fSEmmanuel Vadot}; 110c66ec88fSEmmanuel Vadot 111c66ec88fSEmmanuel Vadot&pwm5 { 112c66ec88fSEmmanuel Vadot pinctrl-0 = <&pwm5_pins>; 113c66ec88fSEmmanuel Vadot pinctrl-names = "default"; 114c66ec88fSEmmanuel Vadot 115c66ec88fSEmmanuel Vadot status = "okay"; 116c66ec88fSEmmanuel Vadot}; 117