This patch add support for Bananapi S070WV20-CT16 DSI panel to BPI-M64 board.
DSI panel connected via board DSI port with, - DLDO1 as VCC-DSI supply - DCDC1 as VDD supply - PD7 gpio for lcd enable pin - PD6 gpio for lcd reset pin - PD5 gpio for backlight enable pin
Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- .../dts/allwinner/sun50i-a64-bananapi-m64.dts | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts index 208373efee49..6beaecdd802a 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts @@ -45,6 +45,7 @@ #include "sun50i-a64.dtsi"
#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pwm/pwm.h>
/ { model = "BananaPi-M64"; @@ -56,6 +57,14 @@ serial1 = &uart1; };
+ backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <1 2 4 8 16 32 64 128 255>; + default-brightness-level = <2>; + enable-gpios = <&pio 3 5 GPIO_ACTIVE_HIGH>; /* LCD-BL-EN: PD5 */ + }; + chosen { stdout-path = "serial0:115200n8"; }; @@ -116,6 +125,24 @@ status = "okay"; };
+&dphy { + status = "okay"; +}; + +&dsi { + vcc-dsi-supply = <®_dldo1>; /* VCC3V3-DSI */ + status = "okay"; + + panel@0 { + compatible = "bananapi,s070wv20-ct16-icn6211"; + reg = <0>; + enable-gpios = <&pio 3 7 GPIO_ACTIVE_HIGH>; /* LCD-PWR-EN: PD7 */ + reset-gpios = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD6 */ + vdd-supply = <®_dcdc1>; + backlight = <&backlight>; + }; +}; + &ehci0 { status = "okay"; }; @@ -206,6 +233,10 @@ status = "okay"; };
+&r_pwm { + status = "okay"; +}; + &r_rsb { status = "okay";