@@ -8,6 +8,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-rfb1.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-bananapi-bpi-r64.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-emmc.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nand.dtbo
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nor.dtbo
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-sd.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-rfb.dtb
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986b-rfb.dtb
new file mode 100644
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+/*
+ * Authors: Daniel Golle <daniel@makrotopia.org>
+ * Frank Wunderlich <frank-w@public-files.de>
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "bananapi,bpi-r3", "mediatek,mt7986a";
+
+ fragment@0 {
+ target-path = "/soc/spi@1100a000";
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ spi_nand: spi_nand@0 {
+ compatible = "spi-nand";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ spi-tx-buswidth = <4>;
+ spi-rx-buswidth = <4>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bl2";
+ reg = <0x0 0x80000>;
+ read-only;
+ };
+
+ partition@80000 {
+ label = "reserved";
+ reg = <0x80000 0x300000>;
+ };
+
+ partition@380000 {
+ label = "fip";
+ reg = <0x380000 0x200000>;
+ read-only;
+ };
+
+ partition@580000 {
+ label = "ubi";
+ reg = <0x580000 0x7a80000>;
+ };
+ };
+ };
+ };
+ };
+};
new file mode 100644
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+/*
+ * Authors: Daniel Golle <daniel@makrotopia.org>
+ * Frank Wunderlich <frank-w@public-files.de>
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "bananapi,bpi-r3", "mediatek,mt7986a";
+
+ fragment@0 {
+ target-path = "/soc/spi@1100a000";
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bl2";
+ reg = <0x0 0x20000>;
+ read-only;
+ };
+
+ partition@20000 {
+ label = "reserved";
+ reg = <0x20000 0x20000>;
+ };
+
+ partition@40000 {
+ label = "u-boot-env";
+ reg = <0x40000 0x40000>;
+ };
+
+ partition@80000 {
+ label = "reserved2";
+ reg = <0x80000 0x80000>;
+ };
+
+ partition@100000 {
+ label = "fip";
+ reg = <0x100000 0x80000>;
+ read-only;
+ };
+
+ partition@180000 {
+ label = "recovery";
+ reg = <0x180000 0xa80000>;
+ };
+
+ partition@c00000 {
+ label = "fit";
+ reg = <0xc00000 0x1400000>;
+ compatible = "denx,fit";
+ };
+ };
+ };
+ };
+ };
+};
Add devicetree overlays for using nand and nor on BPI-R3. Signed-off-by: Frank Wunderlich <frank-w@public-files.de> --- maybe rename to dtso? "kbuild: Allow DTB overlays to built from .dtso named source files" https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git/commit/?h=dt/next&id=363547d2191cbc32ca954ba75d72908712398ff2 more comments about the dt overlay-support: https://patchwork.kernel.org/comment/25092116/ https://patchwork.kernel.org/comment/25085681/ --- v4: - drop compile-comment from overlays - add author-information to dt-overlays --- arch/arm64/boot/dts/mediatek/Makefile | 2 + .../mediatek/mt7986a-bananapi-bpi-r3-nand.dts | 55 +++++++++++++++ .../mediatek/mt7986a-bananapi-bpi-r3-nor.dts | 69 +++++++++++++++++++ 3 files changed, 126 insertions(+) create mode 100644 arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dts create mode 100644 arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nor.dts -- 2.34.1