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Message-ID: <20230201190253.GA4148490-robh@kernel.org>
Date: Wed, 1 Feb 2023 13:02:53 -0600
From: Rob Herring <robh@...nel.org>
To: Frank Sae <Frank.Sae@...or-comm.com>
Cc: Peter Geis <pgwipeout@...il.com>, Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
yanhong.wang@...rfivetech.com, xiaogang.fan@...or-comm.com,
fei.zhang@...or-comm.com, hua.sun@...or-comm.com,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: Re: [PATCH net-next v4 1/5] dt-bindings: net: Add Motorcomm yt8xxx
ethernet phy
On Wed, Feb 01, 2023 at 02:58:07PM +0800, Frank Sae wrote:
> Add a YAML binding document for the Motorcomm yt8xxx Ethernet phy.
>
> Signed-off-by: Frank Sae <Frank.Sae@...or-comm.com>
> ---
> .../bindings/net/motorcomm,yt8xxx.yaml | 119 ++++++++++++++++++
> .../devicetree/bindings/vendor-prefixes.yaml | 2 +
> MAINTAINERS | 1 +
> 3 files changed, 122 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
> new file mode 100644
> index 000000000000..6ce93404e1f1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
> @@ -0,0 +1,119 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/motorcomm,yt8xxx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MotorComm yt8xxx Ethernet PHY
> +
> +maintainers:
> + - frank sae <frank.sae@...or-comm.com>
Frank Sae
> +
> +allOf:
> + - $ref: ethernet-phy.yaml#
> +
> +properties:
> + compatible:
> + oneOf:
> + - const: ethernet-phy-id4f51.e91a
> + description: Only needed for DT lint tools, yt8531s phy
linting doesn't care, validation does. But just drop the description.
> + - const: ethernet-phy-id4f51.e91b
> + description: Only needed for DT lint tools, yt8531 phy
> +
> + rx-internal-delay-ps:
> + description: |
> + RGMII RX Clock Delay used only when PHY operates in RGMII mode with
> + internal delay (phy-mode is 'rgmii-id' or 'rgmii-rxid') in pico-seconds.
> + enum: [ 0, 150, 300, 450, 600, 750, 900, 1050, 1200, 1350, 1500, 1650,
> + 1800, 1900, 1950, 2050, 2100, 2200, 2250, 2350, 2500, 2650, 2800,
> + 2950, 3100, 3250, 3400, 3550, 3700, 3850, 4000, 4150 ]
> + default: 1950
> +
> + tx-internal-delay-ps:
> + description: |
> + RGMII TX Clock Delay used only when PHY operates in RGMII mode with
> + internal delay (phy-mode is 'rgmii-id' or 'rgmii-txid') in pico-seconds.
> + enum: [ 0, 150, 300, 450, 600, 750, 900, 1050, 1200, 1350, 1500, 1650, 1800,
> + 1950, 2100, 2250 ]
> + default: 1950
> +
> + motorcomm,clk-out-frequency-hz:
> + description: clock output on clock output pin.
> + enum: [0, 25000000, 125000000]
> + default: 0
> +
> + motorcomm,keep-pll-enabled:
> + description: |
> + If set, keep the PLL enabled even if there is no link. Useful if you
> + want to use the clock output without an ethernet link.
> + type: boolean
> +
> + motorcomm,auto-sleep-disabled:
> + description: |
> + If set, PHY will not enter sleep mode and close AFE after unplug cable
> + for a timer.
> + type: boolean
> +
> + motorcomm,tx-clk-adj-enabled:
> + description: |
> + This configuration is mainly to adapt to VF2 with JH7110 SoC.
> + Useful if you want to use tx-clk-xxxx-inverted to adj the delay of tx clk.
> + type: boolean
> +
> + motorcomm,tx-clk-10-inverted:
> + description: |
> + Use original or inverted RGMII Transmit PHY Clock to drive the RGMII
> + Transmit PHY Clock delay train configuration when speed is 10Mbps.
> + type: boolean
> +
> + motorcomm,tx-clk-100-inverted:
> + description: |
> + Use original or inverted RGMII Transmit PHY Clock to drive the RGMII
> + Transmit PHY Clock delay train configuration when speed is 100Mbps.
> + type: boolean
> +
> + motorcomm,tx-clk-1000-inverted:
> + description: |
> + Use original or inverted RGMII Transmit PHY Clock to drive the RGMII
> + Transmit PHY Clock delay train configuration when speed is 1000Mbps.
> + type: boolean
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + phy-mode = "rgmii-id";
> + ethernet-phy@4 {
> + /* Only needed to make DT lint tools work. Do not copy/paste
> + * into real DTS files.
> + */
> + compatible = "ethernet-phy-id4f51.e91a";
> +
> + reg = <4>;
> + rx-internal-delay-ps = <2100>;
> + tx-internal-delay-ps = <150>;
> + motorcomm,clk-out-frequency-hz = <0>;
> + motorcomm,keep-pll-enabled;
> + motorcomm,auto-sleep-disabled;
> + };
> + };
> + - |
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + phy-mode = "rgmii";
> + ethernet-phy@5 {
> + /* Only needed to make DT lint tools work. Do not copy/paste
> + * into real DTS files.
> + */
> + compatible = "ethernet-phy-id4f51.e91a";
> +
> + reg = <5>;
> + motorcomm,clk-out-frequency-hz = <125000000>;
> + motorcomm,keep-pll-enabled;
> + motorcomm,auto-sleep-disabled;
> + };
> + };
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> index 161766b1de50..99bb8594753c 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> @@ -847,6 +847,8 @@ patternProperties:
> description: Moortec Semiconductor Ltd.
> "^mosaixtech,.*":
> description: Mosaix Technologies, Inc.
> + "^motorcomm,.*":
> + description: MotorComm, Inc.
> "^motorola,.*":
> description: Motorola, Inc.
> "^moxa,.*":
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 8cdba0580cb8..1da8c3b52108 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -14161,6 +14161,7 @@ M: Peter Geis <pgwipeout@...il.com>
> M: Frank <Frank.Sae@...or-comm.com>
> L: netdev@...r.kernel.org
> S: Maintained
> +F: Documentation/devicetree/bindings/net/motorcomm,yt8xxx.yaml
> F: drivers/net/phy/motorcomm.c
>
> MOXA SMARTIO/INDUSTIO/INTELLIO SERIAL CARD
> --
> 2.34.1
>
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