The Duo Module 01 is a compact module with integrated SG2000,
WI-FI6/BTDM5.4, and eMMC.
Add only support for UART and SDHCI.
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
---
.../sophgo/sg2000_milkv_duo_module_01.dtsi | 84 +++++++++++++++++++
1 file changed, 84 insertions(+)
create mode 100644 arch/arm64/boot/dts/sophgo/sg2000_milkv_duo_module_01.dtsi
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..7edcc4d03cc4
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000_milkv_duo_module_01.dtsi
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+#include <dt-bindings/pinctrl/pinctrl-sg2000.h>
+#include "sg2000.dtsi"
+
+/ {
+ model = "Milk-V Duo Module 01";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ serial2 = &uart2;
+ serial3 = &uart3;
+ serial4 = &uart4;
+ };
+};
+
+&osc {
+ clock-frequency = <25000000>;
+};
+
+&emmc {
+ /delete-property/ status;
+ bus-width = <4>;
+ no-1-8-v;
+ cap-mmc-hw-reset;
+ no-sd;
+ no-sdio;
+ non-removable;
+};
+
+/* Wi-Fi */
+&sdhci1 {
+ bus-width = <4>;
+ cap-sdio-irq;
+ no-mmc;
+ no-sd;
+ non-removable;
+};
+
+&pinctrl {
+ 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>;
+ };
+ };
+
+ sdhci0_cfg: sdhci0-cfg {
+ 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>;
+ };
+
+ sdhci0-cd-pins {
+ pinmux = <PINMUX(PIN_SD0_CD, 0)>;
+ bias-pull-up;
+ drive-strength-microamp = <10800>;
+ power-source = <3300>;
+ };
+ };
+};
--
2.48.1
