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Date:   Sat, 12 Nov 2022 10:19:23 +0100
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Jianjun Wang <jianjun.wang@...iatek.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Bo Jiao <Bo.Jiao@...iatek.com>, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-phy@...ts.infradead.org, linux-usb@...r.kernel.org
Subject: [PATCH v4 11/11] arm64: dts: mt7986: add BPI-R3 nand/nor overlays

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

Signed-off-by: Frank Wunderlich <frank-w@...lic-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
---
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

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index e8902f2cc58f..d42208c4090d 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -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
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
--- /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@...rotopia.org>
+ *          Frank Wunderlich <frank-w@...lic-files.de>
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "bananapi,bpi-r3", "mediatek,mt7986a";
+
+	fragment@0 {
+		target-path = "/soc/spi@...0a000";
+		__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@...00 {
+						label = "reserved";
+						reg = <0x80000 0x300000>;
+					};
+
+					partition@...000 {
+						label = "fip";
+						reg = <0x380000 0x200000>;
+						read-only;
+					};
+
+					partition@...000 {
+						label = "ubi";
+						reg = <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
--- /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@...rotopia.org>
+ *          Frank Wunderlich <frank-w@...lic-files.de>
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	compatible = "bananapi,bpi-r3", "mediatek,mt7986a";
+
+	fragment@0 {
+		target-path = "/soc/spi@...0a000";
+		__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@...00 {
+						label = "reserved";
+						reg = <0x20000 0x20000>;
+					};
+
+					partition@...00 {
+						label = "u-boot-env";
+						reg = <0x40000 0x40000>;
+					};
+
+					partition@...00 {
+						label = "reserved2";
+						reg = <0x80000 0x80000>;
+					};
+
+					partition@...000 {
+						label = "fip";
+						reg = <0x100000 0x80000>;
+						read-only;
+					};
+
+					partition@...000 {
+						label = "recovery";
+						reg = <0x180000 0xa80000>;
+					};
+
+					partition@...000 {
+						label = "fit";
+						reg = <0xc00000 0x1400000>;
+						compatible = "denx,fit";
+					};
+				};
+			};
+		};
+	};
+};
--
2.34.1

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