This patch enables the following IPs on stm32mp257f-ev : * LTDC * LVDS * WSVGA LVDS panel (1024x600) * Panel backlight * Ilitek touchescreen Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@xxxxxxxxxxx> --- arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts index 0ea8e69bfb3d..ca2da988d91c 100644 --- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts +++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts @@ -29,6 +29,43 @@ memory@80000000 { reg = <0x0 0x80000000 0x1 0x0>; }; + panel_lvds: panel-lvds { + compatible = "edt,etml0700z9ndha", "panel-lvds"; + enable-gpios = <&gpiog 15 GPIO_ACTIVE_HIGH>; + backlight = <&panel_lvds_backlight>; + status = "okay"; + + width-mm = <156>; + height-mm = <92>; + data-mapping = "vesa-24"; + + panel-timing { + clock-frequency = <54000000>; + hactive = <1024>; + vactive = <600>; + hfront-porch = <150>; + hback-porch = <150>; + hsync-len = <21>; + vfront-porch = <24>; + vback-porch = <24>; + vsync-len = <21>; + }; + + port { + lvds_panel_in: endpoint { + remote-endpoint = <&lvds_out0>; + }; + }; + }; + + panel_lvds_backlight: panel-lvds-backlight { + compatible = "gpio-backlight"; + gpios = <&gpioi 5 GPIO_ACTIVE_HIGH>; + default-on; + default-brightness-level = <0>; + status = "okay"; + }; + reserved-memory { #address-cells = <2>; #size-cells = <2>; @@ -63,6 +100,15 @@ &i2c2 { i2c-scl-falling-time-ns = <13>; clock-frequency = <400000>; status = "okay"; + + ili2511: ili2511@41 { + compatible = "ilitek,ili251x"; + reg = <0x41>; + interrupt-parent = <&gpioi>; + interrupts = <13 IRQ_TYPE_EDGE_FALLING>; + reset-gpios = <&gpiog 14 GPIO_ACTIVE_LOW>; + status = "okay"; + }; }; &i2c8 { @@ -75,6 +121,39 @@ &i2c8 { status = "disabled"; }; +<dc { + status = "okay"; + + port { + ltdc_ep0_out: endpoint { + remote-endpoint = <&lvds_in>; + }; + }; +}; + +&lvds { + status = "okay"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + lvds_in: endpoint { + remote-endpoint = <<dc_ep0_out>; + }; + }; + + port@1 { + reg = <1>; + lvds_out0: endpoint { + remote-endpoint = <&lvds_panel_in>; + }; + }; + }; +}; + &sdmmc1 { pinctrl-names = "default", "opendrain", "sleep"; pinctrl-0 = <&sdmmc1_b4_pins_a>; -- 2.25.1