khadas-vim3: add mainline npu support

Author: chainsx

config/kernel/linux-meson64-current.config

@@ -2497,6 +2497,7 @@ CONFIG_DRM_CDNS_DSI=m
 CONFIG_DRM_CDNS_MHDP8546=m
 CONFIG_DRM_DW_HDMI_I2S_AUDIO=m
 CONFIG_DRM_DW_HDMI_GP_AUDIO=m
+CONFIG_DRM_ETNAVIV=m
 CONFIG_DRM_HISI_KIRIN=m
 CONFIG_DRM_LOGICVC=m
 CONFIG_DRM_MESON=y
@@ -2553,6 +2554,7 @@ CONFIG_BACKLIGHT_GPIO=m
 CONFIG_BACKLIGHT_RAVE_SP=m
 CONFIG_BACKLIGHT_LED=m
 CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
+CONFIG_DRM_ACCEL=y
 CONFIG_SOUND=m
 CONFIG_SND=m
 CONFIG_SND_SEQUENCER=m

config/kernel/linux-meson64-edge.config

@@ -2485,6 +2485,7 @@ CONFIG_DRM_CDNS_DSI=m
 CONFIG_DRM_CDNS_MHDP8546=m
 CONFIG_DRM_DW_HDMI_I2S_AUDIO=m
 CONFIG_DRM_DW_HDMI_GP_AUDIO=m
+CONFIG_DRM_ETNAVIV=m
 CONFIG_DRM_HISI_KIRIN=m
 CONFIG_DRM_LOGICVC=m
 CONFIG_DRM_MESON=y
@@ -2537,6 +2538,7 @@ CONFIG_BACKLIGHT_GPIO=m
 CONFIG_BACKLIGHT_RAVE_SP=m
 CONFIG_BACKLIGHT_LED=m
 CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
+CONFIG_DRM_ACCEL=y
 CONFIG_SOUND=m
 CONFIG_SND=m
 CONFIG_SND_SEQUENCER=m

patch/kernel/archive/meson64-6.12/board-khadas-vim3-add-npu-node.patch

@@ -0,0 +1,27 @@
+From 4e44bc6b46bf3a0fc0de72755293a918467613fe Mon Sep 17 00:00:00 2001
+From: Hsun Lai <[email protected]>
+Date: Mon, 29 Sep 2025 09:59:25 +0800
+Subject: [PATCH] arm64: dts: amlogic: enable npu node for khadas vim3 (a311d)
+
+---
+ arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
+index 124a80901..73f3d87dc 100644
+--- a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
++++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
+@@ -15,6 +15,10 @@ / {
+ 	compatible = "khadas,vim3", "amlogic,a311d", "amlogic,g12b";
+ };
+ 
++&npu {
++	status = "okay";
++};
++
+ /*
+  * The VIM3 on-board  MCU can mux the PCIe/USB3.0 shared differential
+  * lines using a FUSB340TMX USB 3.1 SuperSpeed Data Switch between
+-- 
+2.43.0
+

patch/kernel/archive/meson64-6.16/board-khadas-vim3-add-npu-node.patch

@@ -0,0 +1,27 @@
+From 4e44bc6b46bf3a0fc0de72755293a918467613fe Mon Sep 17 00:00:00 2001
+From: Hsun Lai <[email protected]>
+Date: Mon, 29 Sep 2025 09:59:25 +0800
+Subject: [PATCH] arm64: dts: amlogic: enable npu node for khadas vim3 (a311d)
+
+---
+ arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
+index 124a80901..73f3d87dc 100644
+--- a/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
++++ b/arch/arm64/boot/dts/amlogic/meson-g12b-a311d-khadas-vim3.dts
+@@ -15,6 +15,10 @@ / {
+ 	compatible = "khadas,vim3", "amlogic,a311d", "amlogic,g12b";
+ };
+ 
++&npu {
++	status = "okay";
++};
++
+ /*
+  * The VIM3 on-board  MCU can mux the PCIe/USB3.0 shared differential
+  * lines using a FUSB340TMX USB 3.1 SuperSpeed Data Switch between
+-- 
+2.43.0
+