Supported IPs: CPU, GIC, IRQ, Timer, UART, Reserved memory for secos,
OPTEE client, fixed regulators, UART for HCI, SPI NAND, SARADC, USB and
SDIO.
Signed-off-by: Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/amlogic/Makefile | 1 +
.../arm64/boot/dts/amlogic/meson-a1-ad402.dts | 145 ++++++++++++++++++
2 files changed, 146 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index 6f61798a109f..a189b8580cc4 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_MESON) += amlogic-c3-c302x-aw409.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad402.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j100.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j110-rev-2.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j110-rev-3.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts b/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts
new file mode 100644
index 000000000000..8a6a7791839e
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-a1-ad402.dts
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2023 SberDevices
+ * Author: Dmitry Rokosov <ddrokosov@xxxxxxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "meson-a1.dtsi"
+
+/ {
+ compatible = "amlogic,ad402", "amlogic,a1";
+ model = "Amlogic Meson A1 AD402 Development Board";
+
+ aliases {
+ serial0 = &uart_AO_B;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x8000000>;
+ };
+
+ reserved-memory {
+ /* 3 MiB reserved for Amlogic Trust OS (BL32) */
+ secos_reserved: secos@3d00000 {
+ reg = <0x0 0x03d00000 0x0 0x300000>;
+ no-map;
+ };
+ };
+
+ firmware {
+ optee {
+ compatible = "linaro,optee-tz";
+ method = "smc";
+ };
+ };
+
+ battery_4v2: regulator-battery-4v2 {
+ compatible = "regulator-fixed";
+ regulator-name = "4V2";
+ regulator-min-microvolt = <4200000>;
+ regulator-max-microvolt = <4200000>;
+ regulator-always-on;
+ };
+
+ vddq_1v35: regulator-vddq-1v35 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDQ_1V35";
+ regulator-min-microvolt = <1350000>;
+ regulator-max-microvolt = <1350000>;
+ vin-supply = <&battery_4v2>;
+ regulator-always-on;
+ };
+
+ vddao_3v3: regulator-vddao-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDAO_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&battery_4v2>;
+ regulator-always-on;
+ };
+
+ vcc_3v3: regulator-vcc-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vddao_3v3>;
+ regulator-always-on;
+ };
+
+ vddio_1v8: regulator-vddio-1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDIO_1V8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&vddao_3v3>;
+ regulator-always-on;
+ };
+};
+
+/* Bluetooth HCI H4 */
+&uart_AO {
+ status = "okay";
+ pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
+ pinctrl-names = "default";
+};
+
+&uart_AO_B {
+ status = "okay";
+};
+
+&saradc {
+ status = "okay";
+ vref-supply = <&vddio_1v8>;
+};
+
+&spifc {
+ status = "okay";
+
+ spi_nand@0 {
+ compatible = "spi-nand";
+ status = "okay";
+ reg = <0>;
+ spi-max-frequency = <96000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ };
+};
+
+&usb2_phy1 {
+ phy-supply = <&vcc_3v3>;
+};
+
+&usb {
+ status = "okay";
+ dr_mode = "peripheral";
+};
+
+&sd_emmc {
+ status = "okay";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pinctrl-0 = <&sdio_pins>;
+ pinctrl-1 = <&sdio_clk_gate_pins>;
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <4>;
+ cap-sd-highspeed;
+ sd-uhs-sdr104;
+ max-frequency = <200000000>;
+ non-removable;
+ disable-wp;
+
+ vmmc-supply = <&vddao_3v3>;
+ vqmmc-supply = <&vddio_1v8>;
+};
--
2.36.0
