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Message-ID:
 <AM9PR04MB8506A1FAC2DA26F27771D039E2832@AM9PR04MB8506.eurprd04.prod.outlook.com>
Date: Sun, 18 Aug 2024 21:50:39 +0000
From: "Jan Petrous (OSS)" <jan.petrous@....nxp.com>
To: "Jan Petrous (OSS)" <jan.petrous@....nxp.com>, "David S. Miller"
	<davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
	<kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Rob Herring
	<robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
	<conor+dt@...nel.org>, Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose
 Abreu <joabreu@...opsys.com>, Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Vinod Koul <vkoul@...nel.org>, Andrew Lunn <andrew@...n.ch>, Heiner Kallweit
	<hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, Richard Cochran
	<richardcochran@...il.com>, Giuseppe Cavallaro <peppe.cavallaro@...com>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-stm32@...md-mailman.stormreply.com"
	<linux-stm32@...md-mailman.stormreply.com>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-arm-msm@...r.kernel.org"
	<linux-arm-msm@...r.kernel.org>, dl-S32 <S32@....com>
Subject: [PATCH v2 3/7] dt-bindings: net: Add DT bindings for DWMAC on NXP
 S32G/R SoCs

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>
---
 .../bindings/net/nxp,s32cc-dwmac.yaml         | 127 ++++++++++++++++++
 .../devicetree/bindings/net/snps,dwmac.yaml   |   1 +
 2 files changed, 128 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/nxp,s32cc-dwmac.yaml

diff --git a/Documentation/devicetree/bindings/net/nxp,s32cc-dwmac.yaml b/Documentation/devicetree/bindings/net/nxp,s32cc-dwmac.yaml
new file mode 100644
index 000000000000..443ad918a9a5
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/nxp,s32cc-dwmac.yaml
@@ -0,0 +1,127 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2021-2024 NXP
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/nxp,s32cc-dwmac.yaml#
+$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 platform glue layer for stmmac.
+  Please see snps,dwmac.yaml for the other unchanged properties.
+
+properties:
+  compatible:
+    enum:
+      - nxp,s32g2-dwmac
+      - nxp,s32g3-dwmac
+      - nxp,s32r45-dwmac
+
+  reg:
+    items:
+      - description: Main GMAC registers
+      - description: GMAC PHY mode control register
+
+  interrupts:
+    description: Common GMAC interrupt
+
+  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:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-names
+  - clocks
+  - clock-names
+  - phy-mode
+
+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,s32cc-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>;
+
+          queue0 {
+          };
+          queue1 {
+          };
+          queue2 {
+          };
+          queue3 {
+          };
+          queue4 {
+          };
+        };
+
+        mtl_tx_setup: tx-queues-config {
+          snps,tx-queues-to-use = <5>;
+
+          queue0 {
+          };
+          queue1 {
+          };
+          queue2 {
+          };
+          queue3 {
+          };
+          queue4 {
+          };
+        };
+
+        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 3eb65e63fdae..3311438f67ee 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -66,6 +66,7 @@ properties:
         - ingenic,x2000-mac
         - loongson,ls2k-dwmac
         - loongson,ls7a-dwmac
+        - nxp,s32cc-dwmac
         - qcom,qcs404-ethqos
         - qcom,sa8775p-ethqos
         - qcom,sc8280xp-ethqos
-- 
2.46.0


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