mirror of https://github.com/F-Stack/f-stack.git
100 lines
2.4 KiB
YAML
100 lines
2.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/pci/brcm,stb-pcie.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Brcmstb PCIe Host Controller Device Tree Bindings
|
|
|
|
maintainers:
|
|
- Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
|
|
|
|
allOf:
|
|
- $ref: /schemas/pci/pci-bus.yaml#
|
|
|
|
properties:
|
|
compatible:
|
|
const: brcm,bcm2711-pcie # The Raspberry Pi 4
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
minItems: 1
|
|
maxItems: 2
|
|
items:
|
|
- description: PCIe host controller
|
|
- description: builtin MSI controller
|
|
|
|
interrupt-names:
|
|
minItems: 1
|
|
maxItems: 2
|
|
items:
|
|
- const: pcie
|
|
- const: msi
|
|
|
|
ranges:
|
|
maxItems: 1
|
|
|
|
dma-ranges:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
maxItems: 1
|
|
|
|
clock-names:
|
|
items:
|
|
- const: sw_pcie
|
|
|
|
msi-controller:
|
|
description: Identifies the node as an MSI controller.
|
|
|
|
msi-parent:
|
|
description: MSI controller the device is capable of using.
|
|
|
|
brcm,enable-ssc:
|
|
description: Indicates usage of spread-spectrum clocking.
|
|
type: boolean
|
|
|
|
aspm-no-l0s: true
|
|
|
|
required:
|
|
- reg
|
|
- dma-ranges
|
|
- "#interrupt-cells"
|
|
- interrupts
|
|
- interrupt-names
|
|
- interrupt-map-mask
|
|
- interrupt-map
|
|
- msi-controller
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/interrupt-controller/irq.h>
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
|
|
scb {
|
|
#address-cells = <2>;
|
|
#size-cells = <1>;
|
|
pcie0: pcie@7d500000 {
|
|
compatible = "brcm,bcm2711-pcie";
|
|
reg = <0x0 0x7d500000 0x9310>;
|
|
device_type = "pci";
|
|
#address-cells = <3>;
|
|
#size-cells = <2>;
|
|
#interrupt-cells = <1>;
|
|
interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
|
|
<GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
|
|
interrupt-names = "pcie", "msi";
|
|
interrupt-map-mask = <0x0 0x0 0x0 0x7>;
|
|
interrupt-map = <0 0 0 1 &gicv2 GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
|
|
msi-parent = <&pcie0>;
|
|
msi-controller;
|
|
ranges = <0x02000000 0x0 0xf8000000 0x6 0x00000000 0x0 0x04000000>;
|
|
dma-ranges = <0x02000000 0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>;
|
|
brcm,enable-ssc;
|
|
};
|
|
};
|