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Date: Thu, 23 May 2019 11:56:45 +0200
From: Maxime Ripard <maxime.ripard@...tlin.com>
To: Mark Rutland <mark.rutland@....com>,
Rob Herring <robh+dt@...nel.org>,
Frank Rowand <frowand.list@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Chen-Yu Tsai <wens@...e.org>,
Maxime Ripard <maxime.ripard@...tlin.com>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...com>,
netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
Maxime Chevallier <maxime.chevallier@...tlin.com>,
Antoine Ténart <antoine.tenart@...tlin.com>
Subject: [PATCH 2/8] dt-bindings: net: Add a YAML schemas for the generic PHY options
The networking PHYs have a number of available device tree properties that
can be used in their device tree node. Add a YAML schemas for those.
Signed-off-by: Maxime Ripard <maxime.ripard@...tlin.com>
---
Documentation/devicetree/bindings/net/ethernet-phy.yaml | 148 +++++++++-
Documentation/devicetree/bindings/net/phy.txt | 80 +-----
2 files changed, 149 insertions(+), 79 deletions(-)
create mode 100644 Documentation/devicetree/bindings/net/ethernet-phy.yaml
diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
new file mode 100644
index 000000000000..eb79ee6db977
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
@@ -0,0 +1,148 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/ethernet-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ethernet PHY Generic Binding
+
+maintainers:
+ - David S. Miller <davem@...emloft.net>
+
+properties:
+ $nodename:
+ pattern: "^ethernet-phy(@[a-f0-9])?$"
+
+ compatible:
+ oneOf:
+ - const: ethernet-phy-ieee802.3-c22
+ description: PHYs that implement IEEE802.3 clause 22
+ - const: ethernet-phy-ieee802.3-c45
+ description: PHYs that implement IEEE802.3 clause 45
+ - pattern: "^ethernet-phy-id[a-f0-9]{4}\\.[a-f0-9]{4}$"
+ description:
+ The first group of digits is the 16 bit Phy Identifier 1
+ register, this is the chip vendor OUI bits 3:18. The
+ second group of digits is the Phy Identifier 2 register,
+ this is the chip vendor OUI bits 19:24, followed by 10
+ bits of a vendor specific ID.
+
+ reg:
+ maxItems: 1
+ minimum: 0
+ maximum: 31
+ description:
+ The ID number for the PHY.
+
+ interrupts:
+ maxItems: 1
+
+ max-speed:
+ enum:
+ - 10
+ - 100
+ - 1000
+ description:
+ Maximum PHY supported speed in Mbits / seconds.
+
+ broken-turn-around:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ If set, indicates the PHY device does not correctly release
+ the turn around line low at the end of a MDIO transaction.
+
+ enet-phy-lane-swap:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ If set, indicates the PHY will swap the TX/RX lanes to
+ compensate for the board being designed with the lanes
+ swapped.
+
+ eee-broken-100tx:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ Mark the corresponding energy efficient ethernet mode as
+ broken and request the ethernet to stop advertising it.
+
+ eee-broken-1000t:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ Mark the corresponding energy efficient ethernet mode as
+ broken and request the ethernet to stop advertising it.
+
+ eee-broken-10gt:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ Mark the corresponding energy efficient ethernet mode as
+ broken and request the ethernet to stop advertising it.
+
+ eee-broken-1000kx:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ Mark the corresponding energy efficient ethernet mode as
+ broken and request the ethernet to stop advertising it.
+
+ eee-broken-10gkx4:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ Mark the corresponding energy efficient ethernet mode as
+ broken and request the ethernet to stop advertising it.
+
+ eee-broken-10gkr:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ Mark the corresponding energy efficient ethernet mode as
+ broken and request the ethernet to stop advertising it.
+
+ phy-is-integrated:
+ $ref: /schemas/types.yaml#definitions/flag
+ description:
+ If set, indicates that the PHY is integrated into the same
+ physical package as the Ethernet MAC. If needed, muxers
+ should be configured to ensure the integrated PHY is
+ used. The absence of this property indicates the muxers
+ should be configured so that the external PHY is used.
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: phy
+
+ reset-gpios:
+ description:
+ The GPIO phandle and specifier for the PHY reset signal.
+
+ reset-assert-us:
+ description:
+ Delay after the reset was asserted in microseconds. If this
+ property is missing the delay will be skipped.
+
+ reset-deassert-us:
+ description:
+ Delay after the reset was deasserted in microseconds. If
+ this property is missing the delay will be skipped.
+
+required:
+ - reg
+ - interrupts
+
+examples:
+ - |
+ ethernet {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ethernet-phy@0 {
+ compatible = "ethernet-phy-id0141.0e90", "ethernet-phy-ieee802.3-c22";
+ interrupt-parent = <&PIC>;
+ interrupts = <35 1>;
+ reg = <0>;
+
+ resets = <&rst 8>;
+ reset-names = "phy";
+ reset-gpios = <&gpio1 4 1>;
+ reset-assert-us = <1000>;
+ reset-deassert-us = <2000>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt
index 9b9e5b1765dd..2399ee60caed 100644
--- a/Documentation/devicetree/bindings/net/phy.txt
+++ b/Documentation/devicetree/bindings/net/phy.txt
@@ -1,79 +1 @@
-PHY nodes
-
-Required properties:
-
- - interrupts : interrupt specifier for the sole interrupt.
- - reg : The ID number for the phy, usually a small integer
-
-Optional Properties:
-
-- compatible: Compatible list, may contain
- "ethernet-phy-ieee802.3-c22" or "ethernet-phy-ieee802.3-c45" for
- PHYs that implement IEEE802.3 clause 22 or IEEE802.3 clause 45
- specifications. If neither of these are specified, the default is to
- assume clause 22.
-
- If the PHY reports an incorrect ID (or none at all) then the
- "compatible" list may contain an entry with the correct PHY ID in the
- form: "ethernet-phy-idAAAA.BBBB" where
- AAAA - The value of the 16 bit Phy Identifier 1 register as
- 4 hex digits. This is the chip vendor OUI bits 3:18
- BBBB - The value of the 16 bit Phy Identifier 2 register as
- 4 hex digits. This is the chip vendor OUI bits 19:24,
- followed by 10 bits of a vendor specific ID.
-
- The compatible list should not contain other values than those
- listed here.
-
-- max-speed: Maximum PHY supported speed (10, 100, 1000...)
-
-- broken-turn-around: If set, indicates the PHY device does not correctly
- release the turn around line low at the end of a MDIO transaction.
-
-- enet-phy-lane-swap: If set, indicates the PHY will swap the TX/RX lanes to
- compensate for the board being designed with the lanes swapped.
-
-- enet-phy-lane-no-swap: If set, indicates that PHY will disable swap of the
- TX/RX lanes. This property allows the PHY to work correcly after e.g. wrong
- bootstrap configuration caused by issues in PCB layout design.
-
-- eee-broken-100tx:
-- eee-broken-1000t:
-- eee-broken-10gt:
-- eee-broken-1000kx:
-- eee-broken-10gkx4:
-- eee-broken-10gkr:
- Mark the corresponding energy efficient ethernet mode as broken and
- request the ethernet to stop advertising it.
-
-- phy-is-integrated: If set, indicates that the PHY is integrated into the same
- physical package as the Ethernet MAC. If needed, muxers should be configured
- to ensure the integrated PHY is used. The absence of this property indicates
- the muxers should be configured so that the external PHY is used.
-
-- resets: The reset-controller phandle and specifier for the PHY reset signal.
-
-- reset-names: Must be "phy" for the PHY reset signal.
-
-- reset-gpios: The GPIO phandle and specifier for the PHY reset signal.
-
-- reset-assert-us: Delay after the reset was asserted in microseconds.
- If this property is missing the delay will be skipped.
-
-- reset-deassert-us: Delay after the reset was deasserted in microseconds.
- If this property is missing the delay will be skipped.
-
-Example:
-
-ethernet-phy@0 {
- compatible = "ethernet-phy-id0141.0e90", "ethernet-phy-ieee802.3-c22";
- interrupt-parent = <&PIC>;
- interrupts = <35 IRQ_TYPE_EDGE_RISING>;
- reg = <0>;
-
- resets = <&rst 8>;
- reset-names = "phy";
- reset-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
- reset-assert-us = <1000>;
- reset-deassert-us = <2000>;
-};
+This file has moved to ethernet-phy.yaml.
--
git-series 0.9.1
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