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-rw-r--r--arch/arm64/boot/dts/sophgo/Makefile2
-rw-r--r--arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts76
-rw-r--r--arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi40
-rw-r--r--arch/arm64/boot/dts/sophgo/sg2000.dtsi86
4 files changed, 204 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/sophgo/Makefile b/arch/arm64/boot/dts/sophgo/Makefile
new file mode 100644
index 000000000000..94f52cd7d994
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_SOPHGO) += sg2000-milkv-duo-module-01-evb.dtb
diff --git a/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts
new file mode 100644
index 000000000000..a281fee0d76e
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+/dts-v1/;
+
+#include "sg2000-milkv-duo-module-01.dtsi"
+
+/ {
+ model = "Milk-V Duo Module 01 Evaluation Board";
+ compatible = "milkv,duo-module-01-evb", "milkv,duo-module-01", "sophgo,sg2000";
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+};
+
+&pinctrl {
+ sdhci0_cfg: sdhci0-cfg {
+ sdhci0-cd-pins {
+ pinmux = <PINMUX(PIN_SD0_CD, 0)>;
+ bias-pull-up;
+ drive-strength-microamp = <10800>;
+ power-source = <3300>;
+ };
+
+ sdhci0-clk-pins {
+ pinmux = <PINMUX(PIN_SD0_CLK, 0)>;
+ bias-pull-up;
+ drive-strength-microamp = <16100>;
+ power-source = <3300>;
+ };
+
+ sdhci0-cmd-pins {
+ pinmux = <PINMUX(PIN_SD0_CMD, 0)>;
+ bias-pull-up;
+ drive-strength-microamp = <10800>;
+ power-source = <3300>;
+ };
+
+ sdhci0-data-pins {
+ pinmux = <PINMUX(PIN_SD0_D0, 0)>,
+ <PINMUX(PIN_SD0_D1, 0)>,
+ <PINMUX(PIN_SD0_D2, 0)>,
+ <PINMUX(PIN_SD0_D3, 0)>;
+ bias-pull-up;
+ drive-strength-microamp = <10800>;
+ power-source = <3300>;
+ };
+ };
+
+ uart0_cfg: uart0-cfg {
+ uart0-pins {
+ pinmux = <PINMUX(PIN_UART0_TX, 0)>,
+ <PINMUX(PIN_UART0_RX, 0)>;
+ bias-pull-up;
+ drive-strength-microamp = <10800>;
+ power-source = <3300>;
+ };
+ };
+};
+
+&uart0 {
+ pinctrl-0 = <&uart0_cfg>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&sdhci0 {
+ bus-width = <4>;
+ no-1-8-v;
+ no-mmc;
+ no-sdio;
+ disable-wp;
+ pinctrl-0 = <&sdhci0_cfg>;
+ pinctrl-names = "default";
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi
new file mode 100644
index 000000000000..32c988f3c58f
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+#include <dt-bindings/pinctrl/pinctrl-sg2000.h>
+#include "sg2000.dtsi"
+
+/ {
+ model = "Milk-V Duo Module 01";
+ compatible = "milkv,duo-module-01", "sophgo,sg2000";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ serial2 = &uart2;
+ serial3 = &uart3;
+ serial4 = &uart4;
+ };
+};
+
+&osc {
+ clock-frequency = <25000000>;
+};
+
+&emmc {
+ bus-width = <4>;
+ no-1-8-v;
+ cap-mmc-hw-reset;
+ no-sd;
+ no-sdio;
+ non-removable;
+ status = "okay";
+};
+
+/* Wi-Fi */
+&sdhci1 {
+ bus-width = <4>;
+ cap-sdio-irq;
+ no-mmc;
+ no-sd;
+ non-removable;
+};
diff --git a/arch/arm64/boot/dts/sophgo/sg2000.dtsi b/arch/arm64/boot/dts/sophgo/sg2000.dtsi
new file mode 100644
index 000000000000..51177dfe9ed2
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000.dtsi
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+#define SOC_PERIPHERAL_IRQ(nr) GIC_SPI (nr)
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <riscv/sophgo/cv180x.dtsi>
+#include <riscv/sophgo/cv181x.dtsi>
+
+/ {
+ compatible = "sophgo,sg2000";
+ interrupt-parent = <&gic>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ compatible = "arm,cortex-a53";
+ device_type = "cpu";
+ reg = <0>;
+ enable-method = "psci";
+ i-cache-size = <32768>;
+ d-cache-size = <32768>;
+ next-level-cache = <&l2>;
+ };
+
+ l2: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ cache-size = <0x20000>;
+ };
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>; /* 512MiB */
+ };
+
+ pmu {
+ compatible = "arm,cortex-a53-pmu";
+ interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ psci {
+ compatible = "arm,psci-0.2";
+ method = "smc";
+ cpu_on = <0xc4000003>;
+ cpu_off = <0x84000002>;
+ };
+
+ soc {
+ gic: interrupt-controller@1f01000 {
+ compatible = "arm,cortex-a15-gic";
+ interrupt-controller;
+ #interrupt-cells = <3>;
+ reg = <0x01f01000 0x1000>,
+ <0x01f02000 0x2000>;
+ };
+
+ pinctrl: pinctrl@3001000 {
+ compatible = "sophgo,sg2000-pinctrl";
+ reg = <0x03001000 0x1000>,
+ <0x05027000 0x1000>;
+ reg-names = "sys", "rtc";
+ };
+
+ clk: clock-controller@3002000 {
+ compatible = "sophgo,sg2000-clk";
+ reg = <0x03002000 0x1000>;
+ clocks = <&osc>;
+ #clock-cells = <1>;
+ };
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+ always-on;
+ clock-frequency = <25000000>;
+ };
+};