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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
%YAML 1.2
---
$id: "http://devicetree.org/schemas/phy/ti,phy-j721e-wiz.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: TI J721E WIZ (SERDES Wrapper)
maintainers:
- Kishon Vijay Abraham I <kishon@ti.com>
properties:
compatible:
enum:
- ti,j721e-wiz-16g
- ti,j721e-wiz-10g
power-domains:
maxItems: 1
clocks:
maxItems: 3
description: clock-specifier to represent input to the WIZ
clock-names:
items:
- const: fck
- const: core_ref_clk
- const: ext_ref_clk
num-lanes:
minimum: 1
maximum: 4
"#address-cells":
const: 1
"#size-cells":
const: 1
"#reset-cells":
const: 1
ranges: true
assigned-clocks:
maxItems: 2
assigned-clock-parents:
maxItems: 2
typec-dir-gpios:
maxItems: 1
description:
GPIO to signal Type-C cable orientation for lane swap.
If GPIO is active, lane 0 and lane 1 of SERDES will be swapped to
achieve the funtionality of an external type-C plug flip mux.
typec-dir-debounce-ms:
minimum: 100
maximum: 1000
default: 100
description:
Number of milliseconds to wait before sampling typec-dir-gpio.
If not specified, the default debounce of 100ms will be used.
Type-C spec states minimum CC pin debounce of 100 ms and maximum
of 200 ms. However, some solutions might need more than 200 ms.
patternProperties:
"^pll[0|1]-refclk$":
type: object
description: |
WIZ node should have subnodes for each of the PLLs present in
the SERDES.
properties:
clocks:
maxItems: 2
description: Phandle to clock nodes representing the two inputs to PLL.
"#clock-cells":
const: 0
assigned-clocks:
maxItems: 1
assigned-clock-parents:
maxItems: 1
required:
- clocks
- "#clock-cells"
- assigned-clocks
- assigned-clock-parents
"^cmn-refclk1?-dig-div$":
type: object
description:
WIZ node should have subnodes for each of the PMA common refclock
provided by the SERDES.
properties:
clocks:
maxItems: 1
description: Phandle to the clock node representing the input to the
divider clock.
"#clock-cells":
const: 0
required:
- clocks
- "#clock-cells"
"^refclk-dig$":
type: object
description: |
WIZ node should have subnode for refclk_dig to select the reference
clock source for the reference clock used in the PHY and PMA digital
logic.
properties:
clocks:
maxItems: 4
description: Phandle to four clock nodes representing the inputs to
refclk_dig
"#clock-cells":
const: 0
assigned-clocks:
maxItems: 1
assigned-clock-parents:
maxItems: 1
required:
- clocks
- "#clock-cells"
- assigned-clocks
- assigned-clock-parents
"^serdes@[0-9a-f]+$":
type: object
description: |
WIZ node should have '1' subnode for the SERDES. It could be either
Sierra SERDES or Torrent SERDES. Sierra SERDES should follow the
bindings specified in
Documentation/devicetree/bindings/phy/phy-cadence-sierra.txt
Torrent SERDES should follow the bindings specified in
Documentation/devicetree/bindings/phy/phy-cadence-dp.txt
required:
- compatible
- power-domains
- clocks
- clock-names
- num-lanes
- "#address-cells"
- "#size-cells"
- "#reset-cells"
- ranges
additionalProperties: false
examples:
- |
#include <dt-bindings/soc/ti,sci_pm_domain.h>
wiz@5000000 {
compatible = "ti,j721e-wiz-16g";
#address-cells = <1>;
#size-cells = <1>;
power-domains = <&k3_pds 292 TI_SCI_PD_EXCLUSIVE>;
clocks = <&k3_clks 292 5>, <&k3_clks 292 11>, <&dummy_cmn_refclk>;
clock-names = "fck", "core_ref_clk", "ext_ref_clk";
assigned-clocks = <&k3_clks 292 11>, <&k3_clks 292 0>;
assigned-clock-parents = <&k3_clks 292 15>, <&k3_clks 292 4>;
num-lanes = <2>;
#reset-cells = <1>;
ranges = <0x5000000 0x5000000 0x10000>;
pll0-refclk {
clocks = <&k3_clks 293 13>, <&dummy_cmn_refclk>;
#clock-cells = <0>;
assigned-clocks = <&wiz1_pll0_refclk>;
assigned-clock-parents = <&k3_clks 293 13>;
};
pll1-refclk {
clocks = <&k3_clks 293 0>, <&dummy_cmn_refclk1>;
#clock-cells = <0>;
assigned-clocks = <&wiz1_pll1_refclk>;
assigned-clock-parents = <&k3_clks 293 0>;
};
cmn-refclk-dig-div {
clocks = <&wiz1_refclk_dig>;
#clock-cells = <0>;
};
cmn-refclk1-dig-div {
clocks = <&wiz1_pll1_refclk>;
#clock-cells = <0>;
};
refclk-dig {
clocks = <&k3_clks 292 11>, <&k3_clks 292 0>, <&dummy_cmn_refclk>, <&dummy_cmn_refclk1>;
#clock-cells = <0>;
assigned-clocks = <&wiz0_refclk_dig>;
assigned-clock-parents = <&k3_clks 292 11>;
};
serdes@5000000 {
compatible = "cdns,ti,sierra-phy-t0";
reg-names = "serdes";
reg = <0x5000000 0x10000>;
#address-cells = <1>;
#size-cells = <0>;
resets = <&serdes_wiz0 0>;
reset-names = "sierra_reset";
clocks = <&wiz0_cmn_refclk_dig_div>, <&wiz0_cmn_refclk1_dig_div>;
clock-names = "cmn_refclk_dig_div", "cmn_refclk1_dig_div";
};
};
|
