[PATCH 4/5] arm64: dts: freescale: Add LVDS overlays for TQMa8Xx
Alexander Stein
alexander.stein at ew.tq-group.com
Tue Oct 13 04:17:28 PDT 2026
Add overlays for the supported LVDS display tianma tm070jvhg33 on both
LVDS0 and LVDS1 channels on connector X14 (+ control on X22).
The corresponding display controller PLL is configured with 10x the
pixelclock.
Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
arch/arm64/boot/dts/freescale/Makefile | 12 +++
.../freescale/mba8xx-lvds0-tm070jvhg33.dtso | 88 +++++++++++++++++++
.../freescale/mba8xx-lvds1-tm070jvhg33.dtso | 88 +++++++++++++++++++
arch/arm64/boot/dts/freescale/mba8xx.dtsi | 58 +++++++++++-
4 files changed, 243 insertions(+), 3 deletions(-)
create mode 100644 arch/arm64/boot/dts/freescale/mba8xx-lvds0-tm070jvhg33.dtso
create mode 100644 arch/arm64/boot/dts/freescale/mba8xx-lvds1-tm070jvhg33.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index a80cccf34eb56..84aeff0e78cf2 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -120,6 +120,12 @@ dtb-$(CONFIG_ARCH_MXC) += imx8dxl-hummingboard-telematics.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdp-mba8xx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdps-mb-smarc-2.dtb
+
+imx8dxp-tqma8xdp-mba8xx-lvds0-tm070jvhg33-dtbs += imx8dxp-tqma8xdp-mba8xx.dtb mba8xx-lvds0-tm070jvhg33.dtbo
+imx8dxp-tqma8xdp-mba8xx-lvds1-tm070jvhg33-dtbs += imx8dxp-tqma8xdp-mba8xx.dtb mba8xx-lvds1-tm070jvhg33.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdp-mba8xx-lvds0-tm070jvhg33.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdp-mba8xx-lvds1-tm070jvhg33.dtb
+
dtb-$(CONFIG_ARCH_MXC) += imx8mm-beacon-kit.dtb
imx8mm-data-modul-edm-sbc-overlay-cm4-dtbs := \
@@ -839,6 +845,12 @@ dtb-${CONFIG_ARCH_MXC} += imx8qxp-mek-ov5640-csi.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqps-mb-smarc-2.dtb
+
+imx8qxp-tqma8xqp-mba8xx-lvds0-tm070jvhg33-dtbs += imx8qxp-tqma8xqp-mba8xx.dtb mba8xx-lvds0-tm070jvhg33.dtbo
+imx8qxp-tqma8xqp-mba8xx-lvds1-tm070jvhg33-dtbs += imx8qxp-tqma8xqp-mba8xx.dtb mba8xx-lvds1-tm070jvhg33.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx-lvds0-tm070jvhg33.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8qxp-tqma8xqp-mba8xx-lvds1-tm070jvhg33.dtb
+
dtb-$(CONFIG_ARCH_MXC) += imx8ulp-9x9-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx91-9x9-qsb.dtb
diff --git a/arch/arm64/boot/dts/freescale/mba8xx-lvds0-tm070jvhg33.dtso b/arch/arm64/boot/dts/freescale/mba8xx-lvds0-tm070jvhg33.dtso
new file mode 100644
index 0000000000000..3bff1c4ca0b73
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/mba8xx-lvds0-tm070jvhg33.dtso
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2021-2026 TQ-Systems GmbH <linux at ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+
+&adma_pwm {
+ status = "okay";
+};
+
+&backlight_lvds {
+ status = "okay";
+};
+
+&dc0_framegen0 {
+ assigned-clocks = <&clk IMX_SC_R_DC_0_PLL_0 IMX_SC_PM_CLK_PLL>,
+ <&clk IMX_SC_R_DC_0 IMX_SC_PM_CLK_MISC0>;
+ assigned-clock-parents = <0>,
+ <&clk IMX_SC_R_DC_0_PLL_0 IMX_SC_PM_CLK_PLL>;
+ assigned-clock-rates = <682000000>;
+};
+
+&dc0_pc {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ channel at 0 {
+ reg = <0>;
+ status = "okay";
+ };
+};
+
+&dc0_pixel_link0 {
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 1 {
+ reg = <1>;
+ status = "okay";
+ };
+ };
+};
+
+&dc0 {
+ status = "okay";
+};
+
+&mipi_lvds_0_ldb {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ channel at 0 {
+ reg = <0>;
+ status = "okay";
+ };
+};
+
+&mipi_lvds_0_phy {
+ status = "okay";
+};
+
+&mipi_lvds_0_pxl2dpi {
+ status = "okay";
+};
+
+&mipi_lvds_0_pxl2dpi_dc0_pixel_link0 {
+ status = "okay";
+};
+
+&mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch0 {
+ status = "okay";
+};
+
+&panel_lvds0 {
+ compatible = "tianma,tm070jvhg33";
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/mba8xx-lvds1-tm070jvhg33.dtso b/arch/arm64/boot/dts/freescale/mba8xx-lvds1-tm070jvhg33.dtso
new file mode 100644
index 0000000000000..4a8ba61962725
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/mba8xx-lvds1-tm070jvhg33.dtso
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright (c) 2021-2026 TQ-Systems GmbH <linux at ew.tq-group.com>,
+ * D-82229 Seefeld, Germany.
+ * Author: Alexander Stein
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/firmware/imx/rsrc.h>
+
+&adma_pwm {
+ status = "okay";
+};
+
+&backlight_lvds {
+ status = "okay";
+};
+
+&dc0_framegen1 {
+ assigned-clocks = <&clk IMX_SC_R_DC_0_PLL_1 IMX_SC_PM_CLK_PLL>,
+ <&clk IMX_SC_R_DC_0 IMX_SC_PM_CLK_MISC1>;
+ assigned-clock-parents = <0>,
+ <&clk IMX_SC_R_DC_0_PLL_1 IMX_SC_PM_CLK_PLL>;
+ assigned-clock-rates = <682000000>;
+};
+
+&dc0_pc {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ channel at 1 {
+ reg = <0>;
+ status = "okay";
+ };
+};
+
+&dc0_pixel_link1 {
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 1 {
+ reg = <1>;
+ status = "okay";
+ };
+ };
+};
+
+&dc0 {
+ status = "okay";
+};
+
+&mipi_lvds_1_ldb {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ channel at 0 {
+ reg = <0>;
+ status = "okay";
+ };
+};
+
+&mipi_lvds_1_phy {
+ status = "okay";
+};
+
+&mipi_lvds_1_pxl2dpi {
+ status = "okay";
+};
+
+&mipi_lvds_1_pxl2dpi_dc0_pixel_link1 {
+ status = "okay";
+};
+
+&mipi_lvds_1_pxl2dpi_mipi_lvds_1_ldb_ch0 {
+ status = "okay";
+};
+
+&panel_lvds1 {
+ compatible = "tianma,tm070jvhg33";
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/mba8xx.dtsi b/arch/arm64/boot/dts/freescale/mba8xx.dtsi
index e32519b156d93..a94594db34d56 100644
--- a/arch/arm64/boot/dts/freescale/mba8xx.dtsi
+++ b/arch/arm64/boot/dts/freescale/mba8xx.dtsi
@@ -80,7 +80,37 @@ led2 {
};
};
- /* TODO LVDS panels */
+ panel_lvds0: panel-lvds0 {
+ /*
+ * Display is not fixed, so compatible has to be added from
+ * DT
+ */
+ backlight = <&backlight_lvds>;
+ power-supply = <®_3v3>;
+ status = "disabled";
+
+ port {
+ panel_in_lvds0: endpoint {
+ remote-endpoint = <&lvds0_out>;
+ };
+ };
+ };
+
+ panel_lvds1: panel-lvds1 {
+ /*
+ * Display is not fixed, so compatible has to be added from
+ * DT
+ */
+ backlight = <&backlight_lvds>;
+ power-supply = <®_3v3>;
+ status = "disabled";
+
+ port {
+ panel_in_lvds1: endpoint {
+ remote-endpoint = <&lvds1_out>;
+ };
+ };
+ };
reg_12v0: regulator-12v0 {
compatible = "regulator-fixed";
@@ -280,8 +310,6 @@ &i2c2 {
status = "okay";
};
-/* TODO LDB */
-
&lpspi1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi1>;
@@ -329,6 +357,30 @@ &lsio_gpio3 {
"", "", "", "";
};
+&mipi_lvds_0_ldb {
+ channel at 0 {
+ port at 1 {
+ reg = <1>;
+
+ lvds0_out: endpoint {
+ remote-endpoint = <&panel_in_lvds0>;
+ };
+ };
+ };
+};
+
+&mipi_lvds_1_ldb {
+ channel at 0 {
+ port at 1 {
+ reg = <1>;
+
+ lvds1_out: endpoint {
+ remote-endpoint = <&panel_in_lvds1>;
+ };
+ };
+ };
+};
+
&pcieb {
phys = <&hsio_phy 0 PHY_TYPE_PCIE 0>;
phy-names = "pcie-phy";
--
2.55.0
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