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Message-ID: <20251017115325.1942591-2-s-jain1@ti.com>
Date: Fri, 17 Oct 2025 17:23:24 +0530
From: Swamil Jain <s-jain1@...com>
To: <nm@...com>, <tomi.valkeinen@...asonboard.com>, <robh@...nel.org>,
<jyri.sarha@....fi>, <aradhya.bhatia@...ux.dev>, <airlied@...il.com>,
<conor+dt@...nel.org>, <h-shenoy@...com>, <kristo@...nel.org>,
<krzk+dt@...nel.org>, <maarten.lankhorst@...ux.intel.com>,
<mripard@...nel.org>, <simona@...ll.ch>, <tzimmermann@...e.de>
CC: <devarsht@...com>, <praneeth@...com>, <u-kumar1@...com>,
<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
<s-jain1@...com>
Subject: [PATCH 1/2] arm64: dts: ti: Add Microtips OLDI SK-LCD1 Overlay for AM625-SK
From: Aradhya Bhatia <a-bhatia1@...com>
The panel is Microtips Technology USA MF-101HIEBCAF0[1]. It is a
Dual-Link LVDS panel and supports WUXGA resolution (1920x1200).
Furthermore, it has an i2c based touch controller: Ilitek-ILI2511.
Add DT overlay for the OLDI Panel.
[1]: https://www.ti.com/tool/SK-LCD1
Signed-off-by: Aradhya Bhatia <a-bhatia1@...com>
Signed-off-by: Swamil Jain <s-jain1@...com>
---
arch/arm64/boot/dts/ti/Makefile | 4 +
.../k3-am625-sk-microtips-mf101hie-panel.dtso | 121 ++++++++++++++++++
2 files changed, 125 insertions(+)
create mode 100644 arch/arm64/boot/dts/ti/k3-am625-sk-microtips-mf101hie-panel.dtso
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index 743115b849a7..17776b7facb9 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -14,6 +14,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-beagleplay-csi2-ov5640.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-beagleplay-csi2-tevi-ov5640.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-phyboard-lyra-rdk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am625-sk.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-am625-sk-microtips-mf101hie-panel.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-dahlia.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-dev.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-nonwifi-ivy.dtb
@@ -176,6 +177,8 @@ k3-am625-sk-csi2-ov5640-dtbs := k3-am625-sk.dtb \
k3-am625-sk-csi2-tevi-ov5640-dtbs := k3-am625-sk.dtb \
k3-am62x-sk-csi2-tevi-ov5640.dtbo
k3-am625-sk-hdmi-audio-dtbs := k3-am625-sk.dtb k3-am62x-sk-hdmi-audio.dtbo
+k3-am625-sk-microtips-mf101hie-panel-dtbs := k3-am625-sk.dtb \
+ k3-am625-sk-microtips-mf101hie-panel.dtbo
k3-am62-lp-sk-hdmi-audio-dtbs := k3-am62-lp-sk.dtb k3-am62x-sk-hdmi-audio.dtbo
k3-am62a7-sk-csi2-imx219-dtbs := k3-am62a7-sk.dtb \
k3-am62x-sk-csi2-imx219.dtbo
@@ -258,6 +261,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \
k3-am625-sk-csi2-ov5640.dtb \
k3-am625-sk-csi2-tevi-ov5640.dtb \
k3-am625-sk-hdmi-audio.dtb \
+ k3-am625-sk-microtips-mf101hie-panel.dtb \
k3-am62-lp-sk-hdmi-audio.dtb \
k3-am62a7-sk-csi2-imx219.dtb \
k3-am62a7-sk-csi2-ov5640.dtb \
diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk-microtips-mf101hie-panel.dtso b/arch/arm64/boot/dts/ti/k3-am625-sk-microtips-mf101hie-panel.dtso
new file mode 100644
index 000000000000..2fcf16042663
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am625-sk-microtips-mf101hie-panel.dtso
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/**
+ * Microtips integrated OLDI panel (MF-101HIEBCAF0) and touch DT overlay for AM625 - SK
+ *
+ * Copyright (C) 2024 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#include "k3-pinctrl.h"
+
+&{/} {
+ display {
+ compatible = "microtips,mf-101hiebcaf0";
+ /*
+ * Note that the OLDI TX 0 transmits the odd set of pixels
+ * while the OLDI TX 1 transmits the even set. This is a
+ * fixed configuration in the IP integration and is not
+ * changeable. The properties, "dual-lvds-odd-pixels" and
+ * "dual-lvds-even-pixels" have been used to merely
+ * identify if a Dual Link configuration is required.
+ * Swapping them will cause an error in the dss oldi driver.
+ */
+ power-supply = <&vcc_3v3_sys>;
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dual-lvds-odd-pixels;
+ lcd_in0: endpoint {
+ remote-endpoint = <&oldi_0_out>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ dual-lvds-even-pixels;
+ lcd_in1: endpoint {
+ remote-endpoint = <&oldi_1_out>;
+ };
+ };
+ };
+ };
+};
+
+&dss {
+ status = "okay";
+};
+
+&oldi0 {
+ status = "okay";
+ ti,companion-oldi = <&oldi1>;
+};
+
+&oldi1 {
+ status = "okay";
+ ti,secondary-oldi;
+ ti,companion-oldi = <&oldi0>;
+};
+
+&oldi0_port0 {
+ oldi_0_in: endpoint {
+ remote-endpoint = <&dpi0_out0>;
+ };
+};
+
+&oldi0_port1 {
+ oldi_0_out: endpoint {
+ remote-endpoint = <&lcd_in0>;
+ };
+};
+
+&oldi1_port0 {
+ oldi_1_in: endpoint {
+ remote-endpoint = <&dpi0_out1>;
+ };
+};
+
+&oldi1_port1 {
+ oldi_1_out: endpoint {
+ remote-endpoint = <&lcd_in1>;
+ };
+};
+
+&dss_ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* VP1: Output to OLDI */
+ port@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dpi0_out0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&oldi_0_in>;
+ };
+ dpi0_out1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&oldi_1_in>;
+ };
+ };
+};
+
+&main_i2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ touchscreen@41 {
+ compatible = "ilitek,ili251x";
+ reg = <0x41>;
+ interrupt-parent = <&exp1>;
+ interrupts = <22 IRQ_TYPE_EDGE_FALLING>;
+ };
+};
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