From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: imx6qdl-sabresd: Pass the hannstar panel compatible string
Date: Mon, 11 Apr 2016 22:49:18 +0800 [thread overview]
Message-ID: <20160411144918.GA15904@tiger> (raw)
In-Reply-To: <1459185048-25702-1-git-send-email-festevam@gmail.com>
On Mon, Mar 28, 2016 at 02:10:48PM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@nxp.com>
>
> It is preferred to use the panel compatible string rather than passing the
> LCD timings in the device tree.
>
> So pass the "hannstar,hsd100pxn1" compatible string to describe
> the LVDS panel on this board.
>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
> ---
> arch/arm/boot/dts/imx6qdl-sabresd.dtsi | 30 +++++++++++++++++-------------
> 1 file changed, 17 insertions(+), 13 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
> index 0b5c4de..b78cd79 100644
> --- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
> @@ -115,7 +115,7 @@
> mux-ext-port = <3>;
> };
>
> - backlight {
> + backlight_lvds: backlight_lvds {
Hyphen instead of underscore should be used in node names.
I fixed it up and applied patch.
Shawn
> compatible = "pwm-backlight";
> pwms = <&pwm1 0 5000000>;
> brightness-levels = <0 4 8 16 32 64 128 255>;
> @@ -133,6 +133,17 @@
> default-state = "on";
> };
> };
> +
> + panel {
> + compatible = "hannstar,hsd100pxn1";
> + backlight = <&backlight_lvds>;
> +
> + port {
> + panel_in: endpoint {
> + remote-endpoint = <&lvds0_out>;
> + };
> + };
> + };
> };
>
> &audmux {
> @@ -509,18 +520,11 @@
> fsl,data-width = <18>;
> status = "okay";
>
> - display-timings {
> - native-mode = <&timing0>;
> - timing0: hsd100pxn1 {
> - clock-frequency = <65000000>;
> - hactive = <1024>;
> - vactive = <768>;
> - hback-porch = <220>;
> - hfront-porch = <40>;
> - vback-porch = <21>;
> - vfront-porch = <7>;
> - hsync-len = <60>;
> - vsync-len = <10>;
> + port at 4 {
> + reg = <4>;
> +
> + lvds0_out: endpoint {
> + remote-endpoint = <&panel_in>;
> };
> };
> };
> --
> 1.9.1
>
>
prev parent reply other threads:[~2016-04-11 14:49 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-28 17:10 [PATCH] ARM: dts: imx6qdl-sabresd: Pass the hannstar panel compatible string Fabio Estevam
2016-04-11 14:49 ` Shawn Guo [this message]
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