From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>
Cc: Alexander Stein <alexander.stein@ew.tq-group.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
NXP Linux Team <linux-imx@nxp.com>,
linux@ew.tq-group.com, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/1] ARM: dts: imx6qdl: Add HDMI to TQMa6x/MBa6
Date: Tue, 16 May 2023 17:13:19 +0200 [thread overview]
Message-ID: <20230516151319.991608-1-alexander.stein@ew.tq-group.com> (raw)
This adds support for a COTS monitor connected to X17.
4k monitors can be used, but are limited to 1080p.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
---
arch/arm/boot/dts/imx6qdl-mba6.dtsi | 41 +++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl-mba6.dtsi b/arch/arm/boot/dts/imx6qdl-mba6.dtsi
index 7b7e6c2ad190..f6573d2c25b6 100644
--- a/arch/arm/boot/dts/imx6qdl-mba6.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-mba6.dtsi
@@ -192,6 +192,13 @@ ethphy: ethernet-phy@3 {
};
};
+&hdmi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_hdmi>;
+ ddc-i2c-bus = <&i2c2>;
+ status = "okay";
+};
+
&i2c1 {
tlv320aic32x4: audio-codec@18 {
compatible = "ti,tlv320aic32x4";
@@ -205,6 +212,17 @@ tlv320aic32x4: audio-codec@18 {
};
};
+/* DDC */
+&i2c2 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c2>;
+ pinctrl-0 = <&pinctrl_i2c2_recovery>;
+ scl-gpios = <&gpio4 12 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio4 13 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ status = "okay";
+};
+
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcie>;
@@ -396,6 +414,15 @@ MX6QDL_PAD_EIM_BCLK__GPIO6_IO31 0xb099 /* LED V16 */
>;
};
+ pinctrl_hdmi: hdmigrp {
+ /* NOTE: DDC is done via I2C2, so DON'T
+ * configure DDC pins for HDMI!
+ */
+ fsl,pins = <
+ MX6QDL_PAD_EIM_A25__HDMI_TX_CEC_LINE 0x1f8b0
+ >;
+ };
+
pinctrl_hog: hoggrp {
fsl,pins = <
MX6QDL_PAD_DI0_PIN4__GPIO4_IO20 0x0001b099
@@ -432,6 +459,20 @@ MX6QDL_PAD_NANDF_CS1__GPIO6_IO14 0x0001b099
>;
};
+ pinctrl_i2c2: i2c2grp {
+ fsl,pins = <
+ MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b899
+ MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b899
+ >;
+ };
+
+ pinctrl_i2c2_recovery: i2c2recoverygrp {
+ fsl,pins = <
+ MX6QDL_PAD_KEY_COL3__GPIO4_IO12 0x4001b899
+ MX6QDL_PAD_KEY_ROW3__GPIO4_IO13 0x4001b899
+ >;
+ };
+
pinctrl_pcie: pciegrp {
fsl,pins = <
/* HYS = 1, DSE = 110, 100k up, SPEED = HIGH (11)*/
--
2.34.1
next reply other threads:[~2023-05-16 15:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-16 15:13 Alexander Stein [this message]
2023-05-27 10:03 ` [PATCH 1/1] ARM: dts: imx6qdl: Add HDMI to TQMa6x/MBa6 Shawn Guo
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=20230516151319.991608-1-alexander.stein@ew.tq-group.com \
--to=alexander.stein@ew.tq-group.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=festevam@gmail.com \
--cc=kernel@pengutronix.de \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-imx@nxp.com \
--cc=linux@ew.tq-group.com \
--cc=robh+dt@kernel.org \
--cc=s.hauer@pengutronix.de \
--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