diff options
| -rw-r--r-- | arch/arm64/boot/dts/apple/spi1-nvram.dtsi | 39 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi | 2 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/apple/t600x-j375.dtsi | 2 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/apple/t8103-jxxx.dtsi | 2 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/apple/t8112-jxxx.dtsi | 2 |
5 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apple/spi1-nvram.dtsi b/arch/arm64/boot/dts/apple/spi1-nvram.dtsi new file mode 100644 index 000000000000..3df2fd3993b5 --- /dev/null +++ b/arch/arm64/boot/dts/apple/spi1-nvram.dtsi @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0+ OR MIT +// +// Devicetree include for common spi-nor nvram flash. +// +// Apple uses a consistent configiguration for the nvram on all known M1* and +// M2* devices. +// +// Copyright The Asahi Linux Contributors + +/ { + aliases { + nvram = &nvram; + }; +}; + +&spi1 { + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0x0>; + spi-max-frequency = <25000000>; + #address-cells = <1>; + #size-cells = <1>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + nvram: partition@700000 { + label = "nvram"; + /* To be filled by the loader */ + reg = <0x0 0x0>; + status = "disabled"; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi b/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi index 2e471dfe43cf..22ebc78e120b 100644 --- a/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi +++ b/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi @@ -119,3 +119,5 @@ &fpwm0 { status = "okay"; }; + +#include "spi1-nvram.dtsi" diff --git a/arch/arm64/boot/dts/apple/t600x-j375.dtsi b/arch/arm64/boot/dts/apple/t600x-j375.dtsi index 1e5a19e49b08..d5b985ad5679 100644 --- a/arch/arm64/boot/dts/apple/t600x-j375.dtsi +++ b/arch/arm64/boot/dts/apple/t600x-j375.dtsi @@ -126,3 +126,5 @@ &pcie0_dart_3 { status = "okay"; }; + +#include "spi1-nvram.dtsi" diff --git a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi index 5988a4eb6efa..8e82231acab5 100644 --- a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi +++ b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi @@ -90,3 +90,5 @@ &nco_clkref { clock-frequency = <900000000>; }; + +#include "spi1-nvram.dtsi" diff --git a/arch/arm64/boot/dts/apple/t8112-jxxx.dtsi b/arch/arm64/boot/dts/apple/t8112-jxxx.dtsi index f5edf61113e7..6da35496a4c8 100644 --- a/arch/arm64/boot/dts/apple/t8112-jxxx.dtsi +++ b/arch/arm64/boot/dts/apple/t8112-jxxx.dtsi @@ -79,3 +79,5 @@ &nco_clkref { clock-frequency = <900000000>; }; + +#include "spi1-nvram.dtsi" |