[PATCH v4 08/10] riscv: dts: bouffalolab: add Sipeed M1s SoM and Dock devicetree

Jisheng Zhang
2023-05-18T15:35:18Z

Sipeed manufactures a M1s system-on-module and dock board, add basic
support for them.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
---
arch/riscv/boot/dts/Makefile | 1 +
arch/riscv/boot/dts/bouffalolab/Makefile | 2 ++
.../dts/bouffalolab/bl808-sipeed-m1s-dock.dts | 25 +++++++++++++++++++
.../dts/bouffalolab/bl808-sipeed-m1s.dtsi | 21 ++++++++++++++++
4 files changed, 49 insertions(+)
create mode 100644 arch/riscv/boot/dts/bouffalolab/Makefile
create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s-dock.dts
create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtsi

diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile
index f0d9f89054f8..133e6c38c9b0 100644
--- a/arch/riscv/boot/dts/Makefile
+++ b/arch/riscv/boot/dts/Makefile
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
subdir-y += allwinner
+subdir-y += bouffalolab
subdir-y += sifive
subdir-y += starfive
subdir-y += canaan
diff --git a/arch/riscv/boot/dts/bouffalolab/Makefile b/arch/riscv/boot/dts/bouffalolab/Makefile
new file mode 100644
index 000000000000..5419964e892d
--- /dev/null
+++ b/arch/riscv/boot/dts/bouffalolab/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_SOC_BOUFFALOLAB) += bl808-sipeed-m1s-dock.dtb
diff --git a/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s-dock.dts b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s-dock.dts
new file mode 100644
index 000000000000..aa6cf909cd4d
--- /dev/null
+++ b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s-dock.dts
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (C) 2022 Jisheng Zhang <jszhang@kernel.org>
+ */
+
+/dts-v1/;
+
+#include "bl808-sipeed-m1s.dtsi"
+
+/ {
+ model = "Sipeed M1s Dock";
+ compatible = "sipeed,m1s-dock", "sipeed,m1s", "bouffalolab,bl808";
+
+ aliases {
+ serial3 = &uart3;
+ };
+
+ chosen {
+ stdout-path = "serial3:2000000n8";
+ };
+};
+
+&uart3 {
+ status = "okay";
+};
diff --git a/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtsi b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtsi
new file mode 100644
index 000000000000..5026de768534
--- /dev/null
+++ b/arch/riscv/boot/dts/bouffalolab/bl808-sipeed-m1s.dtsi
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (C) 2022 Jisheng Zhang <jszhang@kernel.org>
+ */
+
+/dts-v1/;
+
+#include "bl808.dtsi"
+
+/ {
+ compatible = "sipeed,m1s", "bouffalolab,bl808";
+
+ memory@50000000 {
+ device_type = "memory";
+ reg = <0x50000000 0x04000000>;
+ };
+};
+
+&xtal {
+ clock-frequency = <40000000>;
+};
--
2.40.0