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author | Rafał Miłecki <rafal@milecki.pl> | 2020-11-27 14:14:41 +0300 |
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committer | Philipp Zabel <p.zabel@pengutronix.de> | 2021-01-08 15:00:59 +0300 |
commit | 9fc33807ad2967e3acd848a8be1b11bb082d87e6 (patch) | |
tree | 0919f865f55070cc22c3b7b57271b83617af6476 /Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml | |
parent | 5c8fe583cce542aa0b84adc939ce85293de36e5e (diff) | |
download | linux-9fc33807ad2967e3acd848a8be1b11bb082d87e6.tar.xz |
dt-bindings: reset: document Broadcom's BCM4908 PCIe reset binding
BCM4908 was built using older PCIe hardware block that requires using
external reset block controlling PERST# signals.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml b/Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml new file mode 100644 index 000000000000..88aebb370838 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/brcm,bcm4908-misc-pcie-reset.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/brcm,bcm4908-misc-pcie-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom MISC block PCIe reset controller + +description: This document describes reset controller handling PCIe PERST# + signals. On BCM4908 it's a part of the MISC block. + +maintainers: + - Rafał Miłecki <rafal@milecki.pl> + +properties: + compatible: + const: brcm,bcm4908-misc-pcie-reset + + reg: + maxItems: 1 + + "#reset-cells": + description: PCIe core id + const: 1 + +required: + - compatible + - reg + - "#reset-cells" + +additionalProperties: false + +examples: + - | + reset-controller@ff802644 { + compatible = "brcm,bcm4908-misc-pcie-reset"; + reg = <0xff802644 0x04>; + #reset-cells = <1>; + }; |