[PATCH 3/3] riscv: dts: milkv_duo: Drop local devicetree files

[Zhuxu Ran]

Milk-V Duo now uses the upstream devicetree, so the local board
dts and CV1800B dtsi are no longer used. Remove them and drop
the local dtb target from arch/riscv/dts/Makefile.

Keep cv18xx.dtsi since it is still used by the SG2002 local
devicetree.

Signed-off-by: Zhuxu Ran <zhuxu_...@zohomail.com>
---
 arch/riscv/dts/Makefile              |  1 -
 arch/riscv/dts/cv1800b-milkv-duo.dts | 64 ------------------------------------
 arch/riscv/dts/cv1800b.dtsi          | 22 -------------
 3 files changed, 87 deletions(-)

diff --git a/arch/riscv/dts/Makefile b/arch/riscv/dts/Makefile
index 8e591cb7aa9..498aa6c7f5d 100644
--- a/arch/riscv/dts/Makefile
+++ b/arch/riscv/dts/Makefile
@@ -5,7 +5,6 @@ dtb-$(CONFIG_TARGET_ANDES_VOYAGER) += qilai-voyager.dtb
 dtb-$(CONFIG_TARGET_BANANAPI_F3) += k1-bananapi-f3.dtb
 dtb-$(CONFIG_TARGET_K230_CANMV) += k230-canmv.dtb
 dtb-$(CONFIG_TARGET_MICROCHIP_ICICLE) += mpfs-icicle-kit.dtb
-dtb-$(CONFIG_TARGET_MILKV_DUO) += cv1800b-milkv-duo.dtb
 dtb-$(CONFIG_TARGET_LICHEERV_NANO) += sg2002-licheerv-nano-b.dtb
 dtb-$(CONFIG_TARGET_QEMU_VIRT) += qemu-virt32.dtb qemu-virt64.dtb
 dtb-$(CONFIG_TARGET_OPENPITON_RISCV64) += openpiton-riscv64.dtb
diff --git a/arch/riscv/dts/cv1800b-milkv-duo.dts 
b/arch/riscv/dts/cv1800b-milkv-duo.dts
deleted file mode 100644
index e7cc0e8bd14..00000000000
--- a/arch/riscv/dts/cv1800b-milkv-duo.dts
+++ /dev/null
@@ -1,64 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
-/*
- * Copyright (C) 2023 Jisheng Zhang <jszh...@kernel.org>
- */
-
-/dts-v1/;
-
-#include "cv1800b.dtsi"
-
-/ {
-       model = "Milk-V Duo";
-       compatible = "milkv,duo", "sophgo,cv1800b";
-
-       aliases {
-               serial0 = &uart0;
-               serial1 = &uart1;
-               serial2 = &uart2;
-               serial3 = &uart3;
-               serial4 = &uart4;
-       };
-
-       chosen {
-               stdout-path = "serial0:115200n8";
-       };
-
-       memory@80000000 {
-               device_type = "memory";
-               reg = <0x80000000 0x3f40000>;
-       };
-};
-
-&ethernet0 {
-       status = "okay";
-       phy-mode = "rmii";
-};
-
-&osc {
-       clock-frequency = <25000000>;
-};
-
-&sdhci0 {
-       status = "okay";
-       bus-width = <4>;
-       no-1-8-v;
-       no-mmc;
-       no-sdio;
-};
-
-&spif {
-       status = "okay";
-
-       spiflash@0 {
-               compatible = "jedec,spi-nor";
-               reg = <0>;
-               spi-max-frequency = <75000000>;
-               spi-tx-bus-width = <4>;
-               spi-rx-bus-width = <4>;
-               m25p,fast-read;
-       };
-};
-
-&uart0 {
-       status = "okay";
-};
diff --git a/arch/riscv/dts/cv1800b.dtsi b/arch/riscv/dts/cv1800b.dtsi
deleted file mode 100644
index baf641829e7..00000000000
--- a/arch/riscv/dts/cv1800b.dtsi
+++ /dev/null
@@ -1,22 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0 OR MIT)
-/*
- * Copyright (C) 2023 Jisheng Zhang <jszh...@kernel.org>
- */
-
-#include "cv18xx.dtsi"
-
-/ {
-       compatible = "sophgo,cv1800b";
-};
-
-&plic {
-       compatible = "sophgo,cv1800b-plic", "thead,c900-plic";
-};
-
-&clint {
-       compatible = "sophgo,cv1800b-clint", "thead,c900-clint";
-};
-
-&clk {
-       compatible = "sophgo,cv1800-clk";
-};

-- 
2.55.0