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Message-Id: <20241028-upstream_s32cc_gmac-v4-13-03618f10e3e2@oss.nxp.com>
Date: Mon, 28 Oct 2024 21:24:55 +0100
From: Jan Petrous via B4 Relay <devnull+jan.petrous.oss.nxp.com@...nel.org>
To: 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>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Giuseppe Cavallaro <peppe.cavallaro@...com>
Cc: 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>,
"Jan Petrous (OSS)" <jan.petrous@....nxp.com>
Subject: [PATCH v4 13/16] dt-bindings: net: Add DT bindings for DWMAC on
NXP S32G/R SoCs
From: "Jan Petrous (OSS)" <jan.petrous@....nxp.com>
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 | 98 ++++++++++++++++++++++
.../devicetree/bindings/net/snps,dwmac.yaml | 3 +
2 files changed, 101 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..b11ba3bc4c52
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/nxp,s32-dwmac.yaml
@@ -0,0 +1,98 @@
+# 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.
+
+properties:
+ compatible:
+ enum:
+ - nxp,s32g2-dwmac
+ - nxp,s32g3-dwmac
+ - nxp,s32r-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
- qcom,qcs404-ethqos
- qcom,sa8775p-ethqos
- qcom,sc8280xp-ethqos
--
2.46.0
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