From: Stefan Agner <stefan@agner.ch>
To: linus.walleij@linaro.org, Laurent.pinchart@ideasonboard.com,
airlied@linux.ie, robh+dt@kernel.org, mark.rutland@arm.com,
shawnguo@kernel.org, s.hauer@pengutronix.de,
p.zabel@pengutronix.de
Cc: kernel@pengutronix.de, fabio.estevam@nxp.com, linux-imx@nxp.com,
architt@codeaurora.org, a.hajda@samsung.com, gustavo@padovan.org,
maarten.lankhorst@linux.intel.com, sean@poorly.run,
marcel.ziswiler@toradex.com, max.krummenacher@toradex.com,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Stefan Agner <stefan@agner.ch>
Subject: [PATCH v2 7/8] ARM: dts: imx6qdl-apalis: add VGA support
Date: Wed, 12 Sep 2018 11:32:21 -0700 [thread overview]
Message-ID: <20180912183222.25414-8-stefan@agner.ch> (raw)
In-Reply-To: <20180912183222.25414-1-stefan@agner.ch>
The Apalis iMX6 modules use a simple DAC using resistor ladders
to convert parallel RGB to VGA. Add support for this output using
the dumb VGA driver.
Signed-off-by: Stefan Agner <stefan@agner.ch>
---
arch/arm/boot/dts/imx6q-apalis-eval.dts | 28 +++++++++++++
arch/arm/boot/dts/imx6qdl-apalis.dtsi | 52 +++++++++++++++++++++++++
2 files changed, 80 insertions(+)
diff --git a/arch/arm/boot/dts/imx6q-apalis-eval.dts b/arch/arm/boot/dts/imx6q-apalis-eval.dts
index 707ac9a46115..ae07b3a105ef 100644
--- a/arch/arm/boot/dts/imx6q-apalis-eval.dts
+++ b/arch/arm/boot/dts/imx6q-apalis-eval.dts
@@ -140,6 +140,16 @@
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
+
+ vga {
+ compatible = "vga-connector";
+
+ port {
+ vga_con_in: endpoint {
+ remote-endpoint = <&vga_bridge_out>;
+ };
+ };
+ };
};
&backlight {
@@ -281,6 +291,24 @@
status = "okay";
};
+&vgabridge {
+ status = "okay";
+
+ ports {
+ port@1 {
+ reg = <1>;
+
+ vga_bridge_out: endpoint {
+ remote-endpoint = <&vga_con_in>;
+ };
+ };
+ };
+};
+
+&vgadisplay {
+ status = "okay";
+};
+
&iomuxc {
/*
* Mux the Apalis GPIOs
diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 05f07ea3e8c8..e8d0407e3e18 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -138,6 +138,54 @@
spdif-out;
status = "disabled";
};
+
+ vgabridge: bridge {
+ compatible = "dumb-vga-dac";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ de-active = <0>;
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ vga_bridge_in: endpoint {
+ remote-endpoint = <&vga_display_out>;
+ };
+ };
+ };
+ };
+
+ vgadisplay: display@di0 {
+ compatible = "fsl,imx-parallel-display";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interface-pix-fmt = "rgb565";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ipu2_vdac>;
+ status = "disabled";
+
+ port@0 {
+ reg = <0>;
+
+ vga_display_in: endpoint {
+ remote-endpoint = <&ipu2_di0_disp0>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ vga_display_out: endpoint {
+ remote-endpoint = <&vga_bridge_in>;
+ };
+ };
+ };
+
};
&audmux {
@@ -373,6 +421,10 @@
status = "disabled";
};
+&ipu2_di0_disp0 {
+ remote-endpoint = <&vga_display_in>;
+};
+
&pwm1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm1>;
--
2.18.0
next prev parent reply other threads:[~2018-09-12 18:33 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-12 18:32 [PATCH v2 0/8] drm/bridge: add bus flag support Stefan Agner
2018-09-12 18:32 ` [PATCH v2 1/8] drm/bridge: use bus flags in bridge timings Stefan Agner
2018-09-14 9:23 ` Laurent Pinchart
2018-09-18 18:14 ` Stefan Agner
2018-09-22 12:06 ` Laurent Pinchart
2018-09-12 18:32 ` [PATCH v2 2/8] drm/pl111: simplify bridge timing support Stefan Agner
2018-09-12 18:32 ` [PATCH v2 3/8] drm/bridge: simplify bridge timing info Stefan Agner
2018-09-14 9:34 ` Laurent Pinchart
2018-09-12 18:32 ` [PATCH v2 4/8] drm/bridge: allow to specify data-enable polarity Stefan Agner
2018-09-12 18:32 ` [PATCH v2 5/8] dt-bindings: display: add data-enable polarity property Stefan Agner
2018-09-26 21:01 ` Rob Herring
2018-09-12 18:32 ` [PATCH v2 6/8] drm/imx: support handling bridge timings bus flags Stefan Agner
2018-09-13 8:38 ` Philipp Zabel
2018-09-13 17:03 ` Stefan Agner
2018-09-14 10:00 ` Laurent Pinchart
2018-09-12 18:32 ` Stefan Agner [this message]
2018-09-12 18:32 ` [PATCH v2 8/8] ARM: dts: imx6qdl-apalis: add GPIO I2C node for DDC Stefan Agner
2018-09-14 9:07 ` [PATCH v2 0/8] drm/bridge: add bus flag support Linus Walleij
2018-09-14 9:35 ` Laurent Pinchart
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180912183222.25414-8-stefan@agner.ch \
--to=stefan@agner.ch \
--cc=Laurent.pinchart@ideasonboard.com \
--cc=a.hajda@samsung.com \
--cc=airlied@linux.ie \
--cc=architt@codeaurora.org \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=fabio.estevam@nxp.com \
--cc=gustavo@padovan.org \
--cc=kernel@pengutronix.de \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-imx@nxp.com \
--cc=linux-kernel@vger.kernel.org \
--cc=maarten.lankhorst@linux.intel.com \
--cc=marcel.ziswiler@toradex.com \
--cc=mark.rutland@arm.com \
--cc=max.krummenacher@toradex.com \
--cc=p.zabel@pengutronix.de \
--cc=robh+dt@kernel.org \
--cc=s.hauer@pengutronix.de \
--cc=sean@poorly.run \
--cc=shawnguo@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).