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Message-ID: <20241119203903.GA2249015-robh@kernel.org>
Date: Tue, 19 Nov 2024 14:39:03 -0600
From: Rob Herring <robh@...nel.org>
To: "Jan Petrous (OSS)" <jan.petrous@....nxp.com>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Jose Abreu <joabreu@...opsys.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Vinod Koul <vkoul@...nel.org>,
Richard Cochran <richardcochran@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
Emil Renner Berthing <kernel@...il.dk>,
Minda Chen <minda.chen@...rfivetech.com>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Claudiu Beznea <claudiu.beznea@...on.dev>,
Iyappan Subramanian <iyappan@...amperecomputing.com>,
Keyur Chudgar <keyur@...amperecomputing.com>,
Quan Nguyen <quan@...amperecomputing.com>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Giuseppe Cavallaro <peppe.cavallaro@...com>,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org, linux-arm-msm@...r.kernel.org,
imx@...ts.linux.dev, devicetree@...r.kernel.org,
NXP S32 Linux Team <s32@....com>
Subject: Re: [PATCH v5 13/16] dt-bindings: net: Add DT bindings for DWMAC on
NXP S32G/R SoCs
On Tue, Nov 19, 2024 at 04:00:19PM +0100, Jan Petrous (OSS) wrote:
> Add basic description for DWMAC ethernet IP on NXP S32G2xx, S32G3xx
> and S32R45 automotive series SoCs.
>
> Signed-off-by: Jan Petrous (OSS) <jan.petrous@....nxp.com>
> ---
> .../devicetree/bindings/net/nxp,s32-dwmac.yaml | 105 +++++++++++++++++++++
> .../devicetree/bindings/net/snps,dwmac.yaml | 3 +
> 2 files changed, 108 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/net/nxp,s32-dwmac.yaml b/Documentation/devicetree/bindings/net/nxp,s32-dwmac.yaml
> new file mode 100644
> index 000000000000..a141e826a295
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/nxp,s32-dwmac.yaml
> @@ -0,0 +1,105 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright 2021-2024 NXP
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/nxp,s32-dwmac.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP S32G2xx/S32G3xx/S32R45 GMAC ethernet controller
> +
> +maintainers:
> + - Jan Petrous (OSS) <jan.petrous@....nxp.com>
> +
> +description:
> + This device is a Synopsys DWC IP, integrated on NXP S32G/R SoCs.
> + The SoC series S32G2xx and S32G3xx feature one DWMAC instance,
> + the SoC S32R45 has two instances. The devices can use RGMII/RMII/MII
> + interface over Pinctrl device or the output can be routed
> + to the embedded SerDes for SGMII connectivity.
> +
> +properties:
> + compatible:
> + oneOf:
> + - const: nxp,s32g2-dwmac
> + - items:
> + - enum:
> + - nxp,s32g3-dwmac
> + - nxp,s32r45-dwmac
> + - const: nxp,s32g2-dwmac
> +
> + reg:
> + items:
> + - description: Main GMAC registers
> + - description: GMAC PHY mode control register
> +
> + interrupts:
> + maxItems: 1
> +
> + interrupt-names:
> + const: macirq
> +
> + clocks:
> + items:
> + - description: Main GMAC clock
> + - description: Transmit clock
> + - description: Receive clock
> + - description: PTP reference clock
> +
> + clock-names:
> + items:
> + - const: stmmaceth
> + - const: tx
> + - const: rx
> + - const: ptp_ref
> +
> +required:
> + - clocks
> + - clock-names
> +
> +allOf:
> + - $ref: snps,dwmac.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + #include <dt-bindings/phy/phy.h>
> + bus {
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + ethernet@...3c000 {
> + compatible = "nxp,s32g2-dwmac";
> + reg = <0x0 0x4033c000 0x0 0x2000>, /* gmac IP */
> + <0x0 0x4007c004 0x0 0x4>; /* GMAC_0_CTRL_STS */
> + interrupt-parent = <&gic>;
> + interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "macirq";
> + snps,mtl-rx-config = <&mtl_rx_setup>;
> + snps,mtl-tx-config = <&mtl_tx_setup>;
> + clocks = <&clks 24>, <&clks 17>, <&clks 16>, <&clks 15>;
> + clock-names = "stmmaceth", "tx", "rx", "ptp_ref";
> + phy-mode = "rgmii-id";
> + phy-handle = <&phy0>;
> +
> + mtl_rx_setup: rx-queues-config {
> + snps,rx-queues-to-use = <5>;
> + };
> +
> + mtl_tx_setup: tx-queues-config {
> + snps,tx-queues-to-use = <5>;
> + };
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "snps,dwmac-mdio";
> +
> + phy0: ethernet-phy@0 {
> + reg = <0>;
> + };
> + };
> + };
> + };
> diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> index 4e2ba1bf788c..a88d1c236eaf 100644
> --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
> @@ -66,6 +66,9 @@ properties:
> - ingenic,x2000-mac
> - loongson,ls2k-dwmac
> - loongson,ls7a-dwmac
> + - nxp,s32g2-dwmac
> + - nxp,s32g3-dwmac
> + - nxp,s32r-dwmac
You really only need to add nxp,s32g2-dwmac since it's always present.
Other than the yamllint issue,
Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
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