* [PATCH 1/2] dt-bindings: riscv: canaan: add 100ask K230 boards compatible strings
2025-12-29 6:13 [PATCH 0/2] Initial support for 100ask CanMV-K230 DshanPi Jiayu Du
@ 2025-12-29 6:13 ` Jiayu Du
2025-12-30 9:11 ` Jiayu Du
2025-12-29 6:13 ` [PATCH 2/2] riscv: dts: canaan: Add initial dshanpi board DT files Jiayu Du
1 sibling, 1 reply; 4+ messages in thread
From: Jiayu Du @ 2025-12-29 6:13 UTC (permalink / raw)
To: conor
Cc: robh, krzk+dt, pjw, palmer, aou, devicetree, linux-riscv,
linux-kernel, alex, jiayu.riscv, cyy, kingxukai, TroyMitchell988,
gaohan, me
K230 CANMV DSHANPI is a development board produced by 100ASK.
Add compatible string for the board and its SoM.
Signed-off-by: Jiayu Du <jiayu.riscv@isrc.iscas.ac.cn>
---
The hardware details are available here[1].
[1]: https://github.com/100askTeam/eLinuxAI-TrainingDocs/blob/master/docs/CanaanK230/part1/01-Introductionhardwareresources.md
Documentation/devicetree/bindings/riscv/canaan.yaml | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/riscv/canaan.yaml b/Documentation/devicetree/bindings/riscv/canaan.yaml
index f9854ff43ac6..b9f095bc6021 100644
--- a/Documentation/devicetree/bindings/riscv/canaan.yaml
+++ b/Documentation/devicetree/bindings/riscv/canaan.yaml
@@ -48,6 +48,11 @@ properties:
- canaan,k230-usip-lp3-evb
- const: canaan,kendryte-k230
+ items:
+ - const: 100ask,canmv-k230-dshanpi
+ - const: 100ask,canmv-k230-module-dshanpi
+ - const: canaan,kendryte-k230
+
additionalProperties: true
...
--
2.52.0
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH 2/2] riscv: dts: canaan: Add initial dshanpi board DT files
2025-12-29 6:13 [PATCH 0/2] Initial support for 100ask CanMV-K230 DshanPi Jiayu Du
2025-12-29 6:13 ` [PATCH 1/2] dt-bindings: riscv: canaan: add 100ask K230 boards compatible strings Jiayu Du
@ 2025-12-29 6:13 ` Jiayu Du
1 sibling, 0 replies; 4+ messages in thread
From: Jiayu Du @ 2025-12-29 6:13 UTC (permalink / raw)
To: conor
Cc: robh, krzk+dt, pjw, palmer, aou, devicetree, linux-riscv,
linux-kernel, alex, jiayu.riscv, cyy, kingxukai, TroyMitchell988,
gaohan, me
Add board devicetree for 100ask K230 dashanpi, and also the SoM
device utilized by the board. UART0 is enabled as the default
console.
Signed-off-by: Jiayu Du <jiayu.riscv@isrc.iscas.ac.cn>
---
arch/riscv/boot/dts/canaan/Makefile | 1 +
.../boot/dts/canaan/k230-canmv-dshanpi.dts | 82 +++++++++++++++++++
.../dts/canaan/k230-canmv-module-dshanpi.dtsi | 30 +++++++
3 files changed, 113 insertions(+)
create mode 100644 arch/riscv/boot/dts/canaan/k230-canmv-dshanpi.dts
create mode 100644 arch/riscv/boot/dts/canaan/k230-canmv-module-dshanpi.dtsi
diff --git a/arch/riscv/boot/dts/canaan/Makefile b/arch/riscv/boot/dts/canaan/Makefile
index 7d54ea5c6f3d..89cb64bde440 100644
--- a/arch/riscv/boot/dts/canaan/Makefile
+++ b/arch/riscv/boot/dts/canaan/Makefile
@@ -2,6 +2,7 @@
dtb-$(CONFIG_ARCH_CANAAN) += canaan_kd233.dtb
dtb-$(CONFIG_ARCH_CANAAN) += k210_generic.dtb
dtb-$(CONFIG_ARCH_CANAAN) += k230-canmv.dtb
+dtb-$(CONFIG_ARCH_CANAAN) += k230-canmv-dshanpi.dtb
dtb-$(CONFIG_ARCH_CANAAN) += k230-evb.dtb
dtb-$(CONFIG_ARCH_CANAAN) += sipeed_maix_bit.dtb
dtb-$(CONFIG_ARCH_CANAAN) += sipeed_maix_dock.dtb
diff --git a/arch/riscv/boot/dts/canaan/k230-canmv-dshanpi.dts b/arch/riscv/boot/dts/canaan/k230-canmv-dshanpi.dts
new file mode 100644
index 000000000000..4f95b534ee87
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/k230-canmv-dshanpi.dts
@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2025 Jiayu Du <jiayu.riscv@isrc.iscas.ac.cn>
+ */
+
+/dts-v1/;
+
+#include "k230-canmv-module-dshanpi.dtsi"
+
+/ {
+ model = "100ask CanMV-K230-dshanpi";
+ compatible = "100ask,canmv-k230-dshanpi",
+ "100ask,canmv-k230-module-dshanpi",
+ "canaan,kendryte-k230";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ vdd_5v: regulator-vdd-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_5v";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_3v3: regulator-vdd-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_3v3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vdd_5v>;
+ };
+
+ vdd_1v8: regulator-vdd-1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_1v8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vdd_5v>;
+ };
+};
+
+&pinctrl {
+ uart0_pins: uart0-pins {
+ uart0-txd-cfg {
+ pinmux = <K230_PINMUX(38, 1)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ output-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+
+ uart0-rxd-cfg {
+ pinmux = <K230_PINMUX(39, 1)>;
+ slew-rate = <0>;
+ drive-strength = <7>;
+ power-source = <K230_MSC_1V8>;
+ input-enable;
+ bias-disable;
+ input-schmitt-enable;
+ };
+ };
+};
+
+&uart0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pins>;
+ status = "okay";
+};
diff --git a/arch/riscv/boot/dts/canaan/k230-canmv-module-dshanpi.dtsi b/arch/riscv/boot/dts/canaan/k230-canmv-module-dshanpi.dtsi
new file mode 100644
index 000000000000..ed0abc68f321
--- /dev/null
+++ b/arch/riscv/boot/dts/canaan/k230-canmv-module-dshanpi.dtsi
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2025 Jiayu Du <jiayu.riscv@isrc.iscas.ac.cn>
+ */
+
+/dts-v1/;
+
+#include "k230.dtsi"
+
+/ {
+ model = "100ask CanMV-K230-Module-dshanpi";
+ compatible = "100ask,canmv-k230-module-dshanpi",
+ "canaan,kendryte-k230";
+
+ ddr: memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x40000000>;
+ };
+
+ timerx_pulse_in: clock-50m {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <50000000>;
+ };
+};
+
+&sysclk {
+ clocks = <&osc24m>, <&timerx_pulse_in>;
+ clock-names = "osc24m", "timer-pulse-in";
+};
--
2.52.0
^ permalink raw reply related [flat|nested] 4+ messages in thread