Files
kernel/Documentation/devicetree/bindings/phy/rockchip,pcie3-phy.yaml
Sebastian Reichel f66782cff4 dt-bindings: phy: rockchip: add RK3588 PCIe v3 phy
When the RK3568 PCIe v3 PHY supported has been upstreamed, RK3588
support was included, but the DT binding does not reflect this.
This adds the missing bits.

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230717173512.65169-2-sebastian.reichel@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2023-07-18 11:45:05 +05:30

104 lines
2.2 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/phy/rockchip,pcie3-phy.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Rockchip PCIe v3 phy
maintainers:
- Heiko Stuebner <heiko@sntech.de>
properties:
compatible:
enum:
- rockchip,rk3568-pcie3-phy
- rockchip,rk3588-pcie3-phy
reg:
maxItems: 1
clocks:
minItems: 1
maxItems: 3
clock-names:
minItems: 1
maxItems: 3
data-lanes:
description: which lanes (by position) should be mapped to which
controller (value). 0 means lane disabled, higher value means used.
(controller-number +1 )
$ref: /schemas/types.yaml#/definitions/uint32-array
minItems: 2
maxItems: 16
items:
minimum: 0
maximum: 16
"#phy-cells":
const: 0
resets:
maxItems: 1
reset-names:
const: phy
rockchip,phy-grf:
$ref: /schemas/types.yaml#/definitions/phandle
description: phandle to the syscon managing the phy "general register files"
rockchip,pipe-grf:
$ref: /schemas/types.yaml#/definitions/phandle
description: phandle to the syscon managing the pipe "general register files"
required:
- compatible
- reg
- rockchip,phy-grf
- "#phy-cells"
allOf:
- if:
properties:
compatible:
enum:
- rockchip,rk3588-pcie3-phy
then:
properties:
clocks:
maxItems: 1
clock-names:
items:
- const: pclk
else:
properties:
clocks:
minItems: 3
clock-names:
items:
- const: refclk_m
- const: refclk_n
- const: pclk
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/rk3568-cru.h>
pcie30phy: phy@fe8c0000 {
compatible = "rockchip,rk3568-pcie3-phy";
reg = <0xfe8c0000 0x20000>;
#phy-cells = <0>;
clocks = <&pmucru CLK_PCIE30PHY_REF_M>,
<&pmucru CLK_PCIE30PHY_REF_N>,
<&cru PCLK_PCIE30PHY>;
clock-names = "refclk_m", "refclk_n", "pclk";
resets = <&cru SRST_PCIE30PHY>;
reset-names = "phy";
rockchip,phy-grf = <&pcie30_phy_grf>;
};