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mediatek: bpi-r64: use dt-overlay to select SATA or PCIE1

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The Bananapi BPi-R64 got a SATA interface which cannot be used at the
same time as the second mPCIe slot. The decission is made by hogging
GPIO 90.
Embed two addtional DT overlay blobs into the image to allow bootloader
selection of either SATA or PCIE1 feature.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2021-03-17 17:36:54 +00:00
parent 6890f6fe13
commit b40f707f71
3 changed files with 82 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/linux/mediatek/Makefile
View File

@ -6,7 +6,7 @@ ARCH:=arm
BOARD:=mediatek
BOARDNAME:=MediaTek Ralink ARM
SUBTARGETS:=mt7622 mt7623 mt7629
FEATURES:=squashfs nand separate_ramdisk fpu
FEATURES:=squashfs nand separate_ramdisk fpu dt-overlay
KERNEL_PATCHVER:=5.4
KERNEL_TESTING_PATCHVER:=5.10

1
target/linux/mediatek/image/mt7622.mk
View File

@ -73,6 +73,7 @@ define Device/bananapi_bpi-r64
DEVICE_VENDOR := Bananapi
DEVICE_MODEL := BPi-R64
DEVICE_DTS := mt7622-bananapi-bpi-r64
DEVICE_DTS_OVERLAY := mt7622-bananapi-bpi-r64-pcie1 mt7622-bananapi-bpi-r64-sata
DEVICE_PACKAGES := kmod-ata-ahci-mtk kmod-btmtkuart kmod-usb3 e2fsprogs mkf2fs f2fsck
ARTIFACTS := sdcard.img
IMAGES := sysupgrade.itb

80
target/linux/mediatek/patches-5.10/900-dts-mt7622-bpi-r64-aliases-for-dtoverlay.patch Normal file
View File

@ -0,0 +1,80 @@
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -279,14 +279,14 @@
&pcie1 {
pinctrl-names = "default";
pinctrl-0 = <&pcie1_pins>;
- status = "okay";
+ status = "disabled";
};
&pio {
/* Attention: GPIO 90 is used to switch between PCIe@1,0 and
* SATA functions. i.e. output-high: PCIe, output-low: SATA
*/
- asm_sel {
+ asmsel: asm_sel {
gpio-hog;
gpios = <90 GPIO_ACTIVE_HIGH>;
output-high;
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64-sata.dts
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "bananapi,bpi-r64", "mediatek,mt7622";
+
+ fragment@0 {
+ target = <&asmsel>;
+ __overlay__ {
+ gpios = <90 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ fragment@1 {
+ target = <&sata>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@2 {
+ target = <&sata_phy>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+};
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64-pcie1.dts
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+
+#include <dt-bindings/gpio/gpio.h>
+
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "bananapi,bpi-r64", "mediatek,mt7622";
+
+ fragment@0 {
+ target = <&asmsel>;
+ __overlay__ {
+ gpios = <90 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ fragment@1 {
+ target = <&pcie1>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+};