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From:   Frank Wunderlich <frank-w@public-files.de>
To:     linux-mediatek@lists.infradead.org
Cc:     Frank Wunderlich <frank-w@public-files.de>,
        Ryder Lee <ryder.lee@mediatek.com>,
        Jianjun Wang <jianjun.wang@mediatek.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
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        Paolo Abeni <pabeni@redhat.com>,
        Lorenzo Bianconi <lorenzo@kernel.org>,
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        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-phy@lists.infradead.org, linux-usb@vger.kernel.org
Subject: [PATCH v5 11/11] arm64: dts: mt7986: add BPI-R3 nand/nor overlays
Date:   Thu, 17 Nov 2022 17:33:40 +0100
Message-Id: <20221117163340.21069-1-frank-w@public-files.de>
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Precedence: bulk

Add devicetree overlays for using nand and nor on BPI-R3.

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
=2D--
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=
=3Ddt/next&id=3D363547d2191cbc32ca954ba75d72908712398ff2

more comments about the dt overlay-support:

https://patchwork.kernel.org/comment/25092116/
https://patchwork.kernel.org/comment/25085681/
=2D--
v4:
- drop compile-comment from overlays
- add author-information to dt-overlays
=2D--
 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-n=
and.dts
 create mode 100644 arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-n=
or.dts

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/m=
ediatek/Makefile
index e8902f2cc58f..d42208c4090d 100644
=2D-- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -8,6 +8,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt6797-x20-dev.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt7622-rfb1.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt7622-bananapi-bpi-r64.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt7986a-bananapi-bpi-r3-emmc.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt7986a-bananapi-bpi-r3-nand.dtbo
+dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt7986a-bananapi-bpi-r3-nor.dtbo
 dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt7986a-bananapi-bpi-r3-sd.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt7986a-rfb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) +=3D mt7986b-rfb.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dts=
 b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dts
new file mode 100644
index 000000000000..15ee8c568f3c
=2D-- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nand.dts
@@ -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 =3D "bananapi,bpi-r3", "mediatek,mt7986a";
+
+	fragment@0 {
+		target-path =3D "/soc/spi@1100a000";
+		__overlay__ {
+			#address-cells =3D <1>;
+			#size-cells =3D <0>;
+			spi_nand: spi_nand@0 {
+				compatible =3D "spi-nand";
+				reg =3D <0>;
+				spi-max-frequency =3D <10000000>;
+				spi-tx-buswidth =3D <4>;
+				spi-rx-buswidth =3D <4>;
+
+				partitions {
+					compatible =3D "fixed-partitions";
+					#address-cells =3D <1>;
+					#size-cells =3D <1>;
+
+					partition@0 {
+						label =3D "bl2";
+						reg =3D <0x0 0x80000>;
+						read-only;
+					};
+
+					partition@80000 {
+						label =3D "reserved";
+						reg =3D <0x80000 0x300000>;
+					};
+
+					partition@380000 {
+						label =3D "fip";
+						reg =3D <0x380000 0x200000>;
+						read-only;
+					};
+
+					partition@580000 {
+						label =3D "ubi";
+						reg =3D <0x580000 0x7a80000>;
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nor.dts =
b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nor.dts
new file mode 100644
index 000000000000..f18643a9089c
=2D-- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-nor.dts
@@ -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 =3D "bananapi,bpi-r3", "mediatek,mt7986a";
+
+	fragment@0 {
+		target-path =3D "/soc/spi@1100a000";
+		__overlay__ {
+			#address-cells =3D <1>;
+			#size-cells =3D <0>;
+			flash@0 {
+				compatible =3D "jedec,spi-nor";
+				reg =3D <0>;
+				spi-max-frequency =3D <10000000>;
+
+				partitions {
+					compatible =3D "fixed-partitions";
+					#address-cells =3D <1>;
+					#size-cells =3D <1>;
+
+					partition@0 {
+						label =3D "bl2";
+						reg =3D <0x0 0x20000>;
+						read-only;
+					};
+
+					partition@20000 {
+						label =3D "reserved";
+						reg =3D <0x20000 0x20000>;
+					};
+
+					partition@40000 {
+						label =3D "u-boot-env";
+						reg =3D <0x40000 0x40000>;
+					};
+
+					partition@80000 {
+						label =3D "reserved2";
+						reg =3D <0x80000 0x80000>;
+					};
+
+					partition@100000 {
+						label =3D "fip";
+						reg =3D <0x100000 0x80000>;
+						read-only;
+					};
+
+					partition@180000 {
+						label =3D "recovery";
+						reg =3D <0x180000 0xa80000>;
+					};
+
+					partition@c00000 {
+						label =3D "fit";
+						reg =3D <0xc00000 0x1400000>;
+						compatible =3D "denx,fit";
+					};
+				};
+			};
+		};
+	};
+};
=2D-
2.34.1