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Date: Mon, 30 Nov 2020 15:51:30 -0700
From: Rob Herring <robh@...nel.org>
To: Steen Hegelund <steen.hegelund@...rochip.com>
Cc: Kishon Vijay Abraham I <kishon@...com>,
Vinod Koul <vkoul@...nel.org>,
Device Tree List <devicetree@...r.kernel.org>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Lars Povlsen <lars.povlsen@...rochip.com>,
Bjarni Jonasson <bjarni.jonasson@...rochip.com>,
Microsemi List <microsemi@...ts.bootlin.com>,
Microchip UNG Driver List <UNGLinuxDriver@...rochip.com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/4] dt-bindings: phy: Add sparx5-serdes bindings
On Mon, Nov 23, 2020 at 12:42:31PM +0100, Steen Hegelund wrote:
> Document the Sparx5 ethernet serdes phy driver bindings.
>
> Signed-off-by: Lars Povlsen <lars.povlsen@...rochip.com>
> Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
> ---
> .../bindings/phy/microchip,sparx5-serdes.yaml | 387 ++++++++++++++++++
> 1 file changed, 387 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/microchip,sparx5-serdes.yaml
>
> diff --git a/Documentation/devicetree/bindings/phy/microchip,sparx5-serdes.yaml b/Documentation/devicetree/bindings/phy/microchip,sparx5-serdes.yaml
> new file mode 100644
> index 000000000000..1e7ffb859407
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/microchip,sparx5-serdes.yaml
> @@ -0,0 +1,387 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/microchip,sparx5-serdes.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip Sparx5 Serdes controller
> +
> +maintainers:
> + - Steen Hegelund <steen.hegelund@...rochip.com>
> +
> +description: |
> + The Sparx5 SERDES interfaces share the same basic functionality, but
> + support different operating modes and line rates.
> +
> + The following list lists the SERDES features:
> +
> + * RX Adaptive Decision Feedback Equalizer (DFE)
> + * Programmable continuous time linear equalizer (CTLE)
> + * Rx variable gain control
> + * Rx built-in fault detector (loss-of-lock/loss-of-signal)
> + * Adjustable tx de-emphasis (FFE)
> + * Tx output amplitude control
> + * Supports rx eye monitor
> + * Multiple loopback modes
> + * Prbs generator and checker
> + * Polarity inversion control
> +
> + SERDES6G:
> +
> + The SERDES6G is a high-speed SERDES interface, which can operate at
> + the following data rates:
> +
> + * 100 Mbps (100BASE-FX)
> + * 1.25 Gbps (SGMII/1000BASE-X/1000BASE-KX)
> + * 3.125 Gbps (2.5GBASE-X/2.5GBASE-KX)
> + * 5.15625 Gbps (5GBASE-KR/5G-USXGMII)
> +
> + SERDES10G
> +
> + The SERDES10G is a high-speed SERDES interface, which can operate at
> + the following data rates:
> +
> + * 100 Mbps (100BASE-FX)
> + * 1.25 Gbps (SGMII/1000BASE-X/1000BASE-KX)
> + * 3.125 Gbps (2.5GBASE-X/2.5GBASE-KX)
> + * 5 Gbps (QSGMII/USGMII)
> + * 5.15625 Gbps (5GBASE-KR/5G-USXGMII)
> + * 10 Gbps (10G-USGMII)
> + * 10.3125 Gbps (10GBASE-R/10GBASE-KR/USXGMII)
> +
> + SERDES25G
> +
> + The SERDES25G is a high-speed SERDES interface, which can operate at
> + the following data rates:
> +
> + * 1.25 Gbps (SGMII/1000BASE-X/1000BASE-KX)
> + * 3.125 Gbps (2.5GBASE-X/2.5GBASE-KX)
> + * 5 Gbps (QSGMII/USGMII)
> + * 5.15625 Gbps (5GBASE-KR/5G-USXGMII)
> + * 10 Gbps (10G-USGMII)
> + * 10.3125 Gbps (10GBASE-R/10GBASE-KR/USXGMII)
> + * 25.78125 Gbps (25GBASE-KR/25GBASE-CR/25GBASE-SR/25GBASE-LR/25GBASE-ER)
> +
> +properties:
> + $nodename:
> + pattern: "^serdes@[0-9a-f]+$"
phy@...
With that,
Reviewed-by: Rob Herring <robh@...nel.org>
> + compatible:
> + const: microchip,sparx5-serdes
> +
> + reg:
> + minItems: 94
Whoa! I take it that while your example seems to be consecutive
addresses, that's not guaranteed?
> +
> + reg-names:
> + minItems: 94
> + items:
> + - const: sd_cmu_0
> + - const: sd_cmu_1
> + - const: sd_cmu_2
> + - const: sd_cmu_3
> + - const: sd_cmu_4
> + - const: sd_cmu_5
> + - const: sd_cmu_6
> + - const: sd_cmu_7
> + - const: sd_cmu_8
> + - const: sd_cmu_cfg_0
> + - const: sd_cmu_cfg_1
> + - const: sd_cmu_cfg_2
> + - const: sd_cmu_cfg_3
> + - const: sd_cmu_cfg_4
> + - const: sd_cmu_cfg_5
> + - const: sd_cmu_cfg_6
> + - const: sd_cmu_cfg_7
> + - const: sd_cmu_cfg_8
> + - const: sd6g_lane_0
> + - const: sd6g_lane_1
> + - const: sd6g_lane_2
> + - const: sd6g_lane_3
> + - const: sd6g_lane_4
> + - const: sd6g_lane_5
> + - const: sd6g_lane_6
> + - const: sd6g_lane_7
> + - const: sd6g_lane_8
> + - const: sd6g_lane_9
> + - const: sd6g_lane_10
> + - const: sd6g_lane_11
> + - const: sd6g_lane_12
> + - const: sd10g_lane_0
> + - const: sd10g_lane_1
> + - const: sd10g_lane_2
> + - const: sd10g_lane_3
> + - const: sd_lane_0
> + - const: sd_lane_1
> + - const: sd_lane_2
> + - const: sd_lane_3
> + - const: sd_lane_4
> + - const: sd_lane_5
> + - const: sd_lane_6
> + - const: sd_lane_7
> + - const: sd_lane_8
> + - const: sd_lane_9
> + - const: sd_lane_10
> + - const: sd_lane_11
> + - const: sd_lane_12
> + - const: sd_lane_13
> + - const: sd_lane_14
> + - const: sd_lane_15
> + - const: sd_lane_16
> + - const: sd_cmu_9
> + - const: sd_cmu_10
> + - const: sd_cmu_11
> + - const: sd_cmu_12
> + - const: sd_cmu_13
> + - const: sd_cmu_cfg_9
> + - const: sd_cmu_cfg_10
> + - const: sd_cmu_cfg_11
> + - const: sd_cmu_cfg_12
> + - const: sd_cmu_cfg_13
> + - const: sd10g_lane_4
> + - const: sd10g_lane_5
> + - const: sd10g_lane_6
> + - const: sd10g_lane_7
> + - const: sd10g_lane_8
> + - const: sd10g_lane_9
> + - const: sd10g_lane_10
> + - const: sd10g_lane_11
> + - const: sd25g_lane_0
> + - const: sd25g_lane_1
> + - const: sd25g_lane_2
> + - const: sd25g_lane_3
> + - const: sd25g_lane_4
> + - const: sd25g_lane_5
> + - const: sd25g_lane_6
> + - const: sd25g_lane_7
> + - const: sd_lane_17
> + - const: sd_lane_18
> + - const: sd_lane_19
> + - const: sd_lane_20
> + - const: sd_lane_21
> + - const: sd_lane_22
> + - const: sd_lane_23
> + - const: sd_lane_24
> + - const: sd_lane_25g_25
> + - const: sd_lane_25g_26
> + - const: sd_lane_25g_27
> + - const: sd_lane_25g_28
> + - const: sd_lane_25g_29
> + - const: sd_lane_25g_30
> + - const: sd_lane_25g_31
> + - const: sd_lane_25g_32
> +
> + '#phy-cells':
> + const: 1
> + description: |
> + - The main serdes input port
> +
> + clocks:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - reg-names
> + - '#phy-cells'
> + - clocks
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + serdes: serdes@...08000 {
> + compatible = "microchip,sparx5-serdes";
> + #phy-cells = <1>;
> + clocks = <&sys_clk>;
> + reg = <0x10808000 0x8000>, /* sd_cmu_0 */
> + <0x10810000 0x8000>, /* sd_cmu_1 */
> + <0x10818000 0x8000>, /* sd_cmu_2 */
> + <0x10820000 0x8000>, /* sd_cmu_3 */
> + <0x10828000 0x8000>, /* sd_cmu_4 */
> + <0x10830000 0x8000>, /* sd_cmu_5 */
> + <0x10838000 0x8000>, /* sd_cmu_6 */
> + <0x10840000 0x8000>, /* sd_cmu_7 */
> + <0x10848000 0x8000>, /* sd_cmu_8 */
> + <0x10850000 0x8000>, /* sd_cmu_cfg_0 */
> + <0x10858000 0x8000>, /* sd_cmu_cfg_1 */
> + <0x10860000 0x8000>, /* sd_cmu_cfg_2 */
> + <0x10868000 0x8000>, /* sd_cmu_cfg_3 */
> + <0x10870000 0x8000>, /* sd_cmu_cfg_4 */
> + <0x10878000 0x8000>, /* sd_cmu_cfg_5 */
> + <0x10880000 0x8000>, /* sd_cmu_cfg_6 */
> + <0x10888000 0x8000>, /* sd_cmu_cfg_7 */
> + <0x10890000 0x8000>, /* sd_cmu_cfg_8 */
> + <0x10898000 0x8000>, /* sd6g_lane_0 */
> + <0x108a0000 0x8000>, /* sd6g_lane_1 */
> + <0x108a8000 0x8000>, /* sd6g_lane_2 */
> + <0x108b0000 0x8000>, /* sd6g_lane_3 */
> + <0x108b8000 0x8000>, /* sd6g_lane_4 */
> + <0x108c0000 0x8000>, /* sd6g_lane_5 */
> + <0x108c8000 0x8000>, /* sd6g_lane_6 */
> + <0x108d0000 0x8000>, /* sd6g_lane_7 */
> + <0x108d8000 0x8000>, /* sd6g_lane_8 */
> + <0x108e0000 0x8000>, /* sd6g_lane_9 */
> + <0x108e8000 0x8000>, /* sd6g_lane_10 */
> + <0x108f0000 0x8000>, /* sd6g_lane_11 */
> + <0x108f8000 0x8000>, /* sd6g_lane_12 */
> + <0x10900000 0x8000>, /* sd10g_lane_0 */
> + <0x10908000 0x8000>, /* sd10g_lane_1 */
> + <0x10910000 0x8000>, /* sd10g_lane_2 */
> + <0x10918000 0x8000>, /* sd10g_lane_3 */
> + <0x109a8000 0x8000>, /* sd_lane_0 */
> + <0x109b0000 0x8000>, /* sd_lane_1 */
> + <0x109b8000 0x8000>, /* sd_lane_2 */
> + <0x109c0000 0x8000>, /* sd_lane_3 */
> + <0x109c8000 0x8000>, /* sd_lane_4 */
> + <0x109d0000 0x8000>, /* sd_lane_5 */
> + <0x109d8000 0x8000>, /* sd_lane_6 */
> + <0x109e0000 0x8000>, /* sd_lane_7 */
> + <0x109e8000 0x8000>, /* sd_lane_8 */
> + <0x109f0000 0x8000>, /* sd_lane_9 */
> + <0x109f8000 0x8000>, /* sd_lane_10 */
> + <0x10a00000 0x8000>, /* sd_lane_11 */
> + <0x10a08000 0x8000>, /* sd_lane_12 */
> + <0x10a10000 0x8000>, /* sd_lane_13 */
> + <0x10a18000 0x8000>, /* sd_lane_14 */
> + <0x10a20000 0x8000>, /* sd_lane_15 */
> + <0x10a28000 0x8000>, /* sd_lane_16 */
> + <0x10c08000 0x8000>, /* sd_cmu_9 */
> + <0x10c10000 0x8000>, /* sd_cmu_10 */
> + <0x10c18000 0x8000>, /* sd_cmu_11 */
> + <0x10c20000 0x8000>, /* sd_cmu_12 */
> + <0x10c28000 0x8000>, /* sd_cmu_13 */
> + <0x10c30000 0x8000>, /* sd_cmu_cfg_9 */
> + <0x10c38000 0x8000>, /* sd_cmu_cfg_10 */
> + <0x10c40000 0x8000>, /* sd_cmu_cfg_11 */
> + <0x10c48000 0x8000>, /* sd_cmu_cfg_12 */
> + <0x10c50000 0x8000>, /* sd_cmu_cfg_13 */
> + <0x10c58000 0x8000>, /* sd10g_lane_4 */
> + <0x10c60000 0x8000>, /* sd10g_lane_5 */
> + <0x10c68000 0x8000>, /* sd10g_lane_6 */
> + <0x10c70000 0x8000>, /* sd10g_lane_7 */
> + <0x10c78000 0x8000>, /* sd10g_lane_8 */
> + <0x10c80000 0x8000>, /* sd10g_lane_9 */
> + <0x10c88000 0x8000>, /* sd10g_lane_10 */
> + <0x10c90000 0x8000>, /* sd10g_lane_11 */
> + <0x10c98000 0x8000>, /* sd25g_lane_0 */
> + <0x10ca0000 0x8000>, /* sd25g_lane_1 */
> + <0x10ca8000 0x8000>, /* sd25g_lane_2 */
> + <0x10cb0000 0x8000>, /* sd25g_lane_3 */
> + <0x10cb8000 0x8000>, /* sd25g_lane_4 */
> + <0x10cc0000 0x8000>, /* sd25g_lane_5 */
> + <0x10cc8000 0x8000>, /* sd25g_lane_6 */
> + <0x10cd0000 0x8000>, /* sd25g_lane_7 */
> + <0x10d58000 0x8000>, /* sd_lane_17 */
> + <0x10d60000 0x8000>, /* sd_lane_18 */
> + <0x10d68000 0x8000>, /* sd_lane_19 */
> + <0x10d70000 0x8000>, /* sd_lane_20 */
> + <0x10d78000 0x8000>, /* sd_lane_21 */
> + <0x10d80000 0x8000>, /* sd_lane_22 */
> + <0x10d88000 0x8000>, /* sd_lane_23 */
> + <0x10d90000 0x8000>, /* sd_lane_24 */
> + <0x10d98000 0x8000>, /* sd_lane_25g_25 */
> + <0x10da0000 0x8000>, /* sd_lane_25g_26 */
> + <0x10da8000 0x8000>, /* sd_lane_25g_27 */
> + <0x10db0000 0x8000>, /* sd_lane_25g_28 */
> + <0x10db8000 0x8000>, /* sd_lane_25g_29 */
> + <0x10dc0000 0x8000>, /* sd_lane_25g_30 */
> + <0x10dc8000 0x8000>, /* sd_lane_25g_31 */
> + <0x10dd0000 0x8000>; /* sd_lane_25g_32 */
> + reg-names =
> + "sd_cmu_0",
> + "sd_cmu_1",
> + "sd_cmu_2",
> + "sd_cmu_3",
> + "sd_cmu_4",
> + "sd_cmu_5",
> + "sd_cmu_6",
> + "sd_cmu_7",
> + "sd_cmu_8",
> + "sd_cmu_cfg_0",
> + "sd_cmu_cfg_1",
> + "sd_cmu_cfg_2",
> + "sd_cmu_cfg_3",
> + "sd_cmu_cfg_4",
> + "sd_cmu_cfg_5",
> + "sd_cmu_cfg_6",
> + "sd_cmu_cfg_7",
> + "sd_cmu_cfg_8",
> + "sd6g_lane_0",
> + "sd6g_lane_1",
> + "sd6g_lane_2",
> + "sd6g_lane_3",
> + "sd6g_lane_4",
> + "sd6g_lane_5",
> + "sd6g_lane_6",
> + "sd6g_lane_7",
> + "sd6g_lane_8",
> + "sd6g_lane_9",
> + "sd6g_lane_10",
> + "sd6g_lane_11",
> + "sd6g_lane_12",
> + "sd10g_lane_0",
> + "sd10g_lane_1",
> + "sd10g_lane_2",
> + "sd10g_lane_3",
> + "sd_lane_0",
> + "sd_lane_1",
> + "sd_lane_2",
> + "sd_lane_3",
> + "sd_lane_4",
> + "sd_lane_5",
> + "sd_lane_6",
> + "sd_lane_7",
> + "sd_lane_8",
> + "sd_lane_9",
> + "sd_lane_10",
> + "sd_lane_11",
> + "sd_lane_12",
> + "sd_lane_13",
> + "sd_lane_14",
> + "sd_lane_15",
> + "sd_lane_16",
> + "sd_cmu_9",
> + "sd_cmu_10",
> + "sd_cmu_11",
> + "sd_cmu_12",
> + "sd_cmu_13",
> + "sd_cmu_cfg_9",
> + "sd_cmu_cfg_10",
> + "sd_cmu_cfg_11",
> + "sd_cmu_cfg_12",
> + "sd_cmu_cfg_13",
> + "sd10g_lane_4",
> + "sd10g_lane_5",
> + "sd10g_lane_6",
> + "sd10g_lane_7",
> + "sd10g_lane_8",
> + "sd10g_lane_9",
> + "sd10g_lane_10",
> + "sd10g_lane_11",
> + "sd25g_lane_0",
> + "sd25g_lane_1",
> + "sd25g_lane_2",
> + "sd25g_lane_3",
> + "sd25g_lane_4",
> + "sd25g_lane_5",
> + "sd25g_lane_6",
> + "sd25g_lane_7",
> + "sd_lane_17",
> + "sd_lane_18",
> + "sd_lane_19",
> + "sd_lane_20",
> + "sd_lane_21",
> + "sd_lane_22",
> + "sd_lane_23",
> + "sd_lane_24",
> + "sd_lane_25g_25",
> + "sd_lane_25g_26",
> + "sd_lane_25g_27",
> + "sd_lane_25g_28",
> + "sd_lane_25g_29",
> + "sd_lane_25g_30",
> + "sd_lane_25g_31",
> + "sd_lane_25g_32";
> + };
> +
> +...
> --
> 2.29.2
>
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