ZHDA301 September 2026 AM62L
将插入码应用于 Linux 内核。
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index cb2623885b0c..5b61be824f75 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -67,6 +67,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62l3-badge.dtb
# Boards with AM62Lx SoCs
dtb-$(CONFIG_ARCH_K3) += k3-am62l3-evm.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-am62l3-evm-hmi.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am62l3-evm-dsi-rpi-7inch-panel.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am62l3-evm-lpm-wkup-sources.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am62l3-evm-m2-cc3351.dtbo
@@ -433,6 +434,8 @@ k3-j784s4-evm-usxgmii-exp1-exp2-dtbs := k3-j784s4-evm.dtb \
k3-j784s4-evm-usxgmii-exp1-exp2.dtbo
k3-am62l3-evm-dsi-rpi-7inch-panel-dtbs := k3-am62l3-evm.dtb \
k3-am62l3-evm-dsi-rpi-7inch-panel.dtbo
+k3-am62l3-evm-hmi-dsi-rpi-7inch-panel-dtbs := k3-am62l3-evm-hmi.dtb \
+ k3-am62l3-evm-dsi-rpi-7inch-panel.dtbo
k3-am62l3-evm-nand-dtbs := k3-am62l3-evm.dtb \
k3-am62l3-evm-nand.dtbo
k3-am62l3-evm-tida-010939-dtbs := k3-am62l3-evm.dtb \
diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm-dsi-rpi-7inch-panel.dtso b/arch/arm64/boot/dts/ti/k3-am62l3-evm-dsi-rpi-7inch-panel.dtso
index 4964469be515..83b7b4204e21 100644
--- a/arch/arm64/boot/dts/ti/k3-am62l3-evm-dsi-rpi-7inch-panel.dtso
+++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm-dsi-rpi-7inch-panel.dtso
@@ -131,7 +131,3 @@ &dphy_tx0 {
&dsi0 {
status = "okay";
};
-
-&sii9022 {
- status = "disabled";
-};
diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm-hmi.dts b/arch/arm64/boot/dts/ti/k3-am62l3-evm-hmi.dts
new file mode 100644
index 000000000000..e11aca006505
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm-hmi.dts
@@ -0,0 +1,180 @@
+// SPDX-License-Identifier: GPL-2.0-only or MIT
+/*
+ * Device Tree file for the AM62L3 Evaluation Module with DSI Display
+ * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
+ *
+ * Minimal device tree configured for DSI display support with the RPi 7-inch
+ * touchscreen panel. The k3-am62l3-evm-dsi-rpi-7inch-panel.dtso overlay
+ * must be applied to complete the display configuration.
+ *
+ * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4
+ * Data Sheet: https://www.ti.com/lit/pdf/sprspa1
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include "k3-am62l3.dtsi"
+#include "k3-pinctrl.h"
+
+/ {
+ compatible = "ti,am62l3-evm", "ti,am62l3";
+ model = "Texas Instruments AM62L3 Evaluation Module with DSI";
+
+ chosen {
+ stdout-path = &uart0;
+ };
+
+ memory@80000000 {
+ reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
+ device_type = "memory";
+ bootph-all;
+ };
+};
+
+/* Pinctrl configuration for basic peripherals */
+&pmx0 {
+ main_uart0_pins_default: main-uart0-default-pins {
+ pinctrl-single,pins = <
+ AM62LX_IOPAD(0x01b4, PIN_INPUT, 0) /* (D13) UART0_RXD */
+ AM62LX_IOPAD(0x01b8, PIN_OUTPUT, 0) /* (C13) UART0_TXD */
+ >;
+ bootph-all;
+ };
+
+ i2c0_pins_default: i2c0-default-pins {
+ pinctrl-single,pins = <
+ AM62LX_IOPAD(0x01cc, PIN_INPUT_PULLUP, 0) /* (B7) I2C0_SCL */
+ AM62LX_IOPAD(0x01d0, PIN_INPUT_PULLUP, 0) /* (A7) I2C0_SDA */
+ >;
+ };
+
+ main_mmc1_pins_default: main-mmc1-default-pins {
+ pinctrl-single,pins = <
+ AM62LX_IOPAD(0x0230, PIN_INPUT, 0) /* (Y3) MMC1_CMD */
+ AM62LX_IOPAD(0x0228, PIN_OUTPUT, 0) /* (Y2) MMC1_CLK */
+ AM62LX_IOPAD(0x0224, PIN_INPUT, 0) /* (AA1) MMC1_DAT0 */
+ AM62LX_IOPAD(0x0220, PIN_INPUT, 0) /* (Y4) MMC1_DAT1 */
+ AM62LX_IOPAD(0x021c, PIN_INPUT, 0) /* (AA2) MMC1_DAT2 */
+ AM62LX_IOPAD(0x0218, PIN_INPUT, 0) /* (AB2) MMC1_DAT3 */
+ AM62LX_IOPAD(0x0234, PIN_INPUT, 0) /* (B6) MMC1_SDCD */
+ >;
+ bootph-all;
+ };
+
+ mmc0_pins_default: mmc0-default-pins {
+ pinctrl-single,pins = <
+ AM62LX_IOPAD(0x0214, PIN_INPUT, 0) /* (D2) MMC0_CMD */
+ AM62LX_IOPAD(0x020c, PIN_OUTPUT, 0) /* (B2) MMC0_CLK */
+ AM62LX_IOPAD(0x0208, PIN_INPUT, 0) /* (D3) MMC0_DAT0 */
+ AM62LX_IOPAD(0x0204, PIN_INPUT_PULLUP, 0) /* (D4) MMC0_DAT1 */
+ AM62LX_IOPAD(0x0200, PIN_INPUT_PULLUP, 0) /* (C1) MMC0_DAT2 */
+ AM62LX_IOPAD(0x01fc, PIN_INPUT_PULLUP, 0) /* (C2) MMC0_DAT3 */
+ AM62LX_IOPAD(0x01f8, PIN_INPUT_PULLUP, 0) /* (C4) MMC0_DAT4 */
+ AM62LX_IOPAD(0x01f4, PIN_INPUT_PULLUP, 0) /* (B3) MMC0_DAT5 */
+ AM62LX_IOPAD(0x01f0, PIN_INPUT_PULLUP, 0) /* (A3) MMC0_DAT6 */
+ AM62LX_IOPAD(0x01ec, PIN_INPUT_PULLUP, 0) /* (B4) MMC0_DAT7 */
+ >;
+ bootph-all;
+ };
+};
+
+/* UART0 */
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_uart0_pins_default>;
+ bootph-all;
+ status = "okay";
+};
+
+/* I2C0 - Required for DSI display regulator and touch controller */
+&i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_default>;
+ clock-frequency = <400000>;
+ status = "okay";
+};
+
+&sdhci0 {
+ /* eMMC */
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_default>;
+ non-removable;
+ status = "okay";
+ bootph-all;
+};
+
+/* SD/MMC */
+&sdhci1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_mmc1_pins_default>;
+ disable-wp;
+ bootph-all;
+ status = "okay";
+};
+
+/* Display subsystem - DPI output to DSI bridge */
+&dss {
+ status = "okay";
+ bootph-all;
+};
+
+&dss_ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* VP1: DPI Output to DSI Bridge */
+ port@0 {
+ reg = <0>;
+
+ dpi_out: endpoint {
+ remote-endpoint = <&dsi0_in>;
+ };
+ };
+};
+
+/* DSI Controller - DPI to DSI bridge connection */
+&dsi0 {
+ status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* DSI output port (to bridge/panel) */
+ port@0 {
+ reg = <0>;
+ dsi0_out: endpoint {
+ /* Will be connected by overlay */
+ };
+ };
+
+ /* DSI input port (from DPI) */
+ port@1 {
+ reg = <1>;
+ dsi0_in: endpoint {
+ remote-endpoint = <&dpi_out>;
+ };
+ };
+ };
+};
+
+/* DSI Physical Layer */
+&dphy_tx0 {
+ status = "okay";
+};
+
+&gpio0 {
+ status = "disabled";
+};
+
+&gpio2 {
+ status = "disabled";
+};
+
+&wkup_rtc0 {
+ status = "disabled";
+};
--
2.34.1