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DSI panel connected via board DSI port with, - DLDO2 as VCC supply - DLDO2 as IOVCC supply - DLDO1 as VCC-DSI supply - PD24 gpio for reset pin - PD23 gpio for backlight enable pin Signed-off-by: Jagan Teki --- .../allwinner/sun50i-a64-amarula-relic.dts | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts index 6cb2b7f0c817..f85ed0b99942 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts @@ -9,6 +9,7 @@ #include "sun50i-a64.dtsi" #include +#include / { model = "Amarula A64-Relic"; @@ -18,6 +19,14 @@ serial0 = &uart0; }; + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <1 2 4 8 16 32 64 128 512>; + default-brightness-level = <2>; + enable-gpios = <&pio 3 23 GPIO_ACTIVE_HIGH>; /* LCD-BL-EN: PD23 */ + }; + chosen { stdout-path = "serial0:115200n8"; }; @@ -30,6 +39,30 @@ }; }; +&de { + status = "okay"; +}; + +&dphy { + status = "okay"; +}; + +&dsi { + vcc-dsi-supply = <®_dldo1>; /* VCC3V3-DSI */ + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + panel@0 { + compatible = "techstar,ts8550b", "sitronix,st7701"; + reg = <0>; + VCC-supply = <®_dldo2>; /* VCC-LCD */ + IOVCC-supply = <®_dldo2>; /* VCC-LCD */ + reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */ + backlight = <&backlight>; + }; +}; + &ehci0 { status = "okay"; }; @@ -72,6 +105,12 @@ status = "okay"; }; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm_pin>; + status = "okay"; +}; + &r_rsb { status = "okay";