diff options
Diffstat (limited to 'overlays/apalis-imx8_mezzanine_panel-cap-touch-10inch-lvds_overlay.dts')
-rw-r--r-- | overlays/apalis-imx8_mezzanine_panel-cap-touch-10inch-lvds_overlay.dts | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/overlays/apalis-imx8_mezzanine_panel-cap-touch-10inch-lvds_overlay.dts b/overlays/apalis-imx8_mezzanine_panel-cap-touch-10inch-lvds_overlay.dts new file mode 100644 index 0000000..84f485b --- /dev/null +++ b/overlays/apalis-imx8_mezzanine_panel-cap-touch-10inch-lvds_overlay.dts @@ -0,0 +1,98 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright 2020-2022 Toradex + */ + +/* + * Apalis iMX8 driving the Capacitive Touch Display 10.1" LVDS connected to + * the Apalis Evaluation board Mezzanine. + */ +#include <dt-bindings/gpio/gpio.h> + +/dts-v1/; +/plugin/; +/ { + compatible = "toradex,apalis-imx8", "toradex,apalis-imx8-v1.1"; +}; + +&ldb1 { + status = "okay"; + + lvds-channel@0 { + #address-cells = <1>; + #size-cells = <0>; + + fsl,data-mapping = "spwg"; + fsl,data-width = <24>; + status = "okay"; + + port@1 { + reg = <1>; + + lvds2_out: endpoint { + remote-endpoint = <&panel2_lvds_in>; + }; + }; + }; +}; + +&ldb1_phy { + status = "okay"; +}; + +&{/} { + panel2_lvds: panel2-lvds { + compatible = "panel-lvds"; + data-mapping = "vesa-24"; + height-mm = <136>; + width-mm = <217>; + status = "okay"; + + panel-timing { + clock-frequency = <68900000 71100000 73400000>; + de-active = <1>; + hactive = <1280 1280 1280>; + hback-porch = <23 60 71>; + hfront-porch = <23 60 71>; + hsync-len = <15 40 47>; + pixelclk-active = <1>; /* positive edge */ + vactive = <800 800 800>; + vback-porch = <5 7 10>; + vfront-porch = <5 7 10>; + vsync-len = <6 9 12>; + }; + + port { + panel2_lvds_in: endpoint { + remote-endpoint = <&lvds2_out>; + }; + }; + }; +}; + +/* Enable 10" LVDS backlight LVDS_0_BKL1_ON */ +&lsio_gpio1 { + LVDS_0_BKL1_ON { + gpio-hog; + gpios = <22 GPIO_ACTIVE_HIGH>; + line-name = "LVDS_0_BKL1_ON"; + output-high; + }; +}; + +/* + * Put LVDS_0_PWM_BKL1 (GPIO8) low. GPIO8 is shared with gpio-fan. + * JP20 should be set to 1-2 (automatic) instead of GPIO8 (2-3). + */ +&lsio_gpio3 { + PWM_BKL1 { + gpio-hog; + gpios = <28 GPIO_ACTIVE_HIGH>; + line-name = "LVDS_0_PWM_BKL1"; + output-low; + }; +}; + +&gpio_fan { + status = "disabled"; +}; |