On Tue, Oct 23, 2018 at 09:20:35PM +0530, Jagan Teki wrote: > This patch add support for Bananapi S070WV20-CT16 DSI panel to > BPI-M64 board. > > DSI panel connected via board DSI port with, > - DC1SW as AVDD supply > - DCDC1 as DVDD supply > - PD6 gpio for reset pin > - PD5 gpio for backlight enable pin > - PD7 gpio for backlight vdd supply > > Signed-off-by: Jagan Teki <[email protected]> > --- > Changes for v2: > - Use quadratic rule on pwm brightness > > .../dts/allwinner/sun50i-a64-bananapi-m64.dts | 42 +++++++++++++++++++ > 1 file changed, 42 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 ef1c90401bb2..e0c6d1870a94 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 +57,24 @@ > serial1 = &uart1; > }; > > + vdd_bl: regulator@0 {
You shouldn't have a unit address if you don't have a reg
property. This will trigger a DTC warning.
> + compatible = "regulator-fixed";
> + regulator-name = "bl-3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&pio 3 7 GPIO_ACTIVE_HIGH>; /* PD7 */
> + enable-active-high;
> + };
> +
> + backlight_dsi: backlight-dsi {
> + compatible = "pwm-backlight";
> + pwms = <&r_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 5 GPIO_ACTIVE_HIGH>; /* PD5 */
> + power-supply = <&vdd_bl>;
> + };
These nodes should be ordered by alphabetical order.
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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