The BananaPi M2M has an optional 1280x720 DSI panel. Since that panel is optional, we can only show a DT patch that would show how to enable it.
Signed-off-by: Maxime Ripard maxime.ripard@bootlin.com --- arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts | 39 +++++++++++++++++++++- 1 file changed, 39 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts b/arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts index eaf09666720d..30e710e94912 100644 --- a/arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts +++ b/arch/arm/boot/dts/sun8i-r16-bananapi-m2m.dts @@ -44,6 +44,7 @@ #include "sun8i-a33.dtsi"
#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pwm/pwm.h>
/ { model = "BananaPi M2 Magic"; @@ -81,6 +82,14 @@ }; };
+ pwm_bl: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <1 2 4 8 16 32 64 128 255>; + default-brightness-level = <8>; + enable-gpios = <&r_pio 0 4 GPIO_ACTIVE_HIGH>; /* PG10 */ + }; + reg_vcc5v0: vcc5v0 { compatible = "regulator-fixed"; regulator-name = "vcc5v0"; @@ -120,6 +129,26 @@ status = "okay"; };
+&de { + status = "okay"; +}; + +&dphy { + status = "okay"; +}; + +&dsi { + status = "okay"; + + panel@0 { + compatible = "bananapi,lhr050h41", "ilitek,ili9881c"; + reg = <0>; + power-gpios = <&pio 1 7 GPIO_ACTIVE_HIGH>; /* PB07 */ + reset-gpios = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL05 */ + backlight = <&pwm_bl>; + }; +}; + &ehci0 { status = "okay"; }; @@ -179,6 +208,12 @@ status = "okay"; };
+&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins>; + status = "okay"; +}; + &r_rsb { status = "okay";
@@ -291,6 +326,10 @@ status = "okay"; };
+&tcon0 { + status = "okay"; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pins_b>;