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author | 2021-11-23 18:06:35 +0000 | |
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committer | 2021-12-07 14:27:07 -0600 | |
commit | 5b970dfcfee9e04e041c9eeac5dbd1ccc719c249 (patch) | |
tree | 0375a5846d3f0a4d8419450b5c76c3e19f28bab7 /arch/arm64 | |
parent | PCI: apple: Follow the PCIe specifications when resetting the port (diff) | |
download | linux-5b970dfcfee9e04e041c9eeac5dbd1ccc719c249.tar.gz linux-5b970dfcfee9e04e041c9eeac5dbd1ccc719c249.tar.bz2 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')
-rw-r--r-- | arch/arm64/boot/dts/apple/t8103.dtsi | 7 |
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>; |