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authorMarc Zyngier <maz@kernel.org>2021-11-23 19:06:35 +0100
committerBjorn Helgaas <bhelgaas@google.com>2021-12-07 21:27:07 +0100
commit5b970dfcfee9e04e041c9eeac5dbd1ccc719c249 (patch)
tree0375a5846d3f0a4d8419450b5c76c3e19f28bab7 /arch/arm64/boot/dts/apple
parentPCI: apple: Follow the PCIe specifications when resetting the port (diff)
downloadlinux-5b970dfcfee9e04e041c9eeac5dbd1ccc719c249.tar.xz
linux-5b970dfcfee9e04e041c9eeac5dbd1ccc719c249.zip
arm64: dts: apple: t8103: Mark PCIe PERST# polarity active low in DT
As the name indicates, PERST# is active low. Fix the DT description to match the HW behaviour. Fixes: ff2a8d91d80c ("arm64: apple: Add PCIe node") Link: https://lore.kernel.org/r/20211123180636.80558-3-maz@kernel.org Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net> Reviewed-by: Mark Kettenis <kettenis@openbsd.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm64/boot/dts/apple')
-rw-r--r--arch/arm64/boot/dts/apple/t8103.dtsi7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index fc8b2bb06ffe..e22c9433d5e0 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -7,6 +7,7 @@
* Copyright The Asahi Linux Contributors
*/
+#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/apple-aic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pinctrl/apple.h>
@@ -281,7 +282,7 @@
port00: pci@0,0 {
device_type = "pci";
reg = <0x0 0x0 0x0 0x0 0x0>;
- reset-gpios = <&pinctrl_ap 152 0>;
+ reset-gpios = <&pinctrl_ap 152 GPIO_ACTIVE_LOW>;
max-link-speed = <2>;
#address-cells = <3>;
@@ -301,7 +302,7 @@
port01: pci@1,0 {
device_type = "pci";
reg = <0x800 0x0 0x0 0x0 0x0>;
- reset-gpios = <&pinctrl_ap 153 0>;
+ reset-gpios = <&pinctrl_ap 153 GPIO_ACTIVE_LOW>;
max-link-speed = <2>;
#address-cells = <3>;
@@ -321,7 +322,7 @@
port02: pci@2,0 {
device_type = "pci";
reg = <0x1000 0x0 0x0 0x0 0x0>;
- reset-gpios = <&pinctrl_ap 33 0>;
+ reset-gpios = <&pinctrl_ap 33 GPIO_ACTIVE_LOW>;
max-link-speed = <1>;
#address-cells = <3>;