kernel/Documentation/devicetree/bindings/ata/nvidia,tegra-ahci.yaml
2024-07-22 17:22:30 +08:00

176 lines
3.5 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/ata/nvidia,tegra-ahci.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Tegra AHCI SATA Controller
maintainers:
- Thierry Reding <thierry.reding@gmail.com>
- Jonathan Hunter <jonathanh@nvidia.com>
properties:
compatible:
enum:
- nvidia,tegra124-ahci
- nvidia,tegra132-ahci
- nvidia,tegra210-ahci
- nvidia,tegra186-ahci
reg:
minItems: 2
items:
- description: AHCI registers
- description: SATA configuration and IPFS registers
- description: SATA AUX registers
interrupts:
maxItems: 1
clock-names:
items:
- const: sata
- const: sata-oob
clocks:
maxItems: 2
reset-names:
minItems: 2
items:
- const: sata
- const: sata-cold
- const: sata-oob
resets:
minItems: 2
maxItems: 3
iommus:
maxItems: 1
interconnect-names:
items:
- const: dma-mem
- const: write
interconnects:
maxItems: 2
power-domains:
items:
- description: SAX power-domain
phy-names:
items:
- const: sata-0
phys:
maxItems: 1
hvdd-supply:
description: SATA HVDD regulator supply.
vddio-supply:
description: SATA VDDIO regulator supply.
avdd-supply:
description: SATA AVDD regulator supply.
target-5v-supply:
description: SATA 5V power regulator supply.
target-12v-supply:
description: SATA 12V power regulator supply.
required:
- compatible
- reg
- interrupts
- clock-names
- clocks
- reset-names
- resets
allOf:
- if:
properties:
compatible:
contains:
enum:
- nvidia,tegra124-ahci
- nvidia,tegra132-ahci
then:
properties:
reg:
maxItems: 2
reset-names:
minItems: 3
resets:
minItems: 3
required:
- phys
- phy-names
- hvdd-supply
- vddio-supply
- avdd-supply
- if:
properties:
compatible:
contains:
enum:
- nvidia,tegra210-ahci
then:
properties:
reg:
minItems: 3
reset-names:
minItems: 3
resets:
minItems: 3
- if:
properties:
compatible:
contains:
enum:
- nvidia,tegra186-ahci
then:
properties:
reg:
minItems: 3
reset-names:
maxItems: 2
resets:
maxItems: 2
required:
- iommus
- interconnect-names
- interconnects
- power-domains
additionalProperties: true
examples:
- |
#include <dt-bindings/clock/tegra210-car.h>
#include <dt-bindings/reset/tegra210-car.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
sata@70020000 {
compatible = "nvidia,tegra210-ahci";
reg = <0x70027000 0x00002000>, /* AHCI */
<0x70020000 0x00007000>, /* SATA */
<0x70001100 0x00010000>; /* SATA AUX */
interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&tegra_car TEGRA210_CLK_SATA>,
<&tegra_car TEGRA210_CLK_SATA_OOB>;
clock-names = "sata", "sata-oob";
resets = <&tegra_car 124>,
<&tegra_car 129>,
<&tegra_car 123>;
reset-names = "sata", "sata-cold", "sata-oob";
};