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Message-Id: <20221117163340.21069-1-frank-w@public-files.de>
Date: Thu, 17 Nov 2022 17:33:40 +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 v5 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
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
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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