From: Icenowy Zheng <icenowy@aosc.io>
To: Thierry Reding <thierry.reding@gmail.com>,
Sam Ravnborg <sam@ravnborg.org>,
Rob Herring <robh+dt@kernel.org>,
Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
Ondrej Jirman <megous@megous.com>
Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org
Subject: Re: [linux-sunxi] [PATCH v2 5/5] arm64: allwinner: dts: a64: add LCD-related device nodes for PinePhone
Date: Thu, 19 Mar 2020 22:51:36 +0800 [thread overview]
Message-ID: <d32e59aeb8395af1ae7ac2daa1ce985c56c14acc.camel@aosc.io> (raw)
In-Reply-To: <20200316133503.144650-6-icenowy@aosc.io>
在 2020-03-16星期一的 21:35 +0800,Icenowy Zheng写道:
> PinePhone uses PWM backlight and a XBD599 LCD panel over DSI for
> display.
>
> Add its device nodes.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
> No changes in v2.
>
> .../dts/allwinner/sun50i-a64-pinephone.dtsi | 37
> +++++++++++++++++++
> 1 file changed, 37 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> index cefda145c3c9..96d9150423e0 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
> @@ -16,6 +16,15 @@ aliases {
> serial0 = &uart0;
> };
>
> + backlight: backlight {
> + compatible = "pwm-backlight";
> + pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>;
> + brightness-levels = <0 16 18 20 22 24 26 29 32 35 38 42
> 46 51 56 62 68 75 83 91 100>;
Should I drop the 0 here and replace it with 14?
I have heard community complaining about setting 0 to brightness make
the screen black.
(I think in this situation bl_power or blank the DSI panel can still
totally shut down the backlight).
> + default-brightness-level = <15>;
> + enable-gpios = <&pio 7 10 GPIO_ACTIVE_HIGH>; /* PH10 */
> + power-supply = <®_ldo_io0>;
> + };
> +
> chosen {
> stdout-path = "serial0:115200n8";
> };
> @@ -84,6 +93,30 @@ &dai {
> status = "okay";
> };
>
> +&de {
> + status = "okay";
> +};
> +
> +&dphy {
> + status = "okay";
> +};
> +
> +&dsi {
> + vcc-dsi-supply = <®_dldo1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + status = "okay";
> +
> + panel@0 {
> + compatible = "xingbangda,xbd599";
> + reg = <0>;
> + reset-gpios = <&pio 3 23 GPIO_ACTIVE_LOW>; /* PD23 */
> + iovcc-supply = <®_dldo2>;
> + vcc-supply = <®_ldo_io0>;
> + backlight = <&backlight>;
> + };
> +};
> +
> &ehci0 {
> status = "okay";
> };
> @@ -188,6 +221,10 @@ &r_pio {
> */
> };
>
> +&r_pwm {
> + status = "okay";
> +};
> +
> &r_rsb {
> status = "okay";
>
> --
> 2.24.1
>
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next prev parent reply other threads:[~2020-03-20 8:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-16 13:34 [PATCH v2 0/5] Add support for PinePhone LCD panel Icenowy Zheng
2020-03-16 13:34 ` [PATCH v2 1/5] dt-bindings: vendor-prefixes: Add Xingbangda Icenowy Zheng
2020-03-16 13:35 ` [PATCH v2 2/5] dt-bindings: panel: add binding for Xingbangda XBD599 panel Icenowy Zheng
2020-03-19 14:14 ` Linus Walleij
2020-03-20 7:58 ` Icenowy Zheng
2020-03-20 9:11 ` Linus Walleij
2020-03-20 9:21 ` Icenowy Zheng
2020-03-16 13:35 ` [PATCH v2 3/5] drm: panel: add " Icenowy Zheng
2020-03-16 19:11 ` Ondřej Jirman
2020-03-19 14:08 ` Linus Walleij
2020-03-20 9:18 ` Linus Walleij
2020-03-16 13:35 ` [PATCH v2 4/5] drm/sun4i: sun6i_mipi_dsi: fix horizontal timing calculation Icenowy Zheng
2020-03-19 9:54 ` Maxime Ripard
2020-03-16 13:35 ` [PATCH v2 5/5] arm64: allwinner: dts: a64: add LCD-related device nodes for PinePhone Icenowy Zheng
2020-03-19 14:51 ` Icenowy Zheng [this message]
2020-03-19 16:10 ` [linux-sunxi] " Ondřej Jirman
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