mediatek: mt7622: provide power on mPCIe in SATA mode

User reported that R64 doesn't provide power to the mPCIe slot in case
the PCIe port is disabled as it is when selecting the SATA
configuration. As users may still want to use USB-connected mPCIe
modules in CN8 slot.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2021-09-16 21:04:14 +01:00 committed by AmadeusGhost
parent aa56b0d6ec
commit 0c3f870e02

View File

@ -1,14 +1,6 @@
--- a/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64.dts
@@ -297,14 +297,14 @@
&pcie1 {
pinctrl-names = "default";
pinctrl-0 = <&pcie1_pins>;
- status = "okay";
+ status = "disabled";
};
&pio {
@@ -304,7 +304,7 @@
/* Attention: GPIO 90 is used to switch between PCIe@1,0 and
* SATA functions. i.e. output-high: PCIe, output-low: SATA
*/
@ -53,7 +45,7 @@
+};
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt7622-bananapi-bpi-r64-pcie1.dts
@@ -0,0 +1,24 @@
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
+
+#include <dt-bindings/gpio/gpio.h>
@ -70,11 +62,4 @@
+ gpios = <90 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ fragment@1 {
+ target = <&pcie1>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+};