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Message-ID:
<AM9PR04MB85066A2A4D7A2419C1CFC24CE2BD2@AM9PR04MB8506.eurprd04.prod.outlook.com>
Date: Sun, 4 Aug 2024 20:49:58 +0000
From: "Jan Petrous (OSS)" <jan.petrous@....nxp.com>
To: Maxime Coquelin <mcoquelin.stm32@...il.com>, Alexandre Torgue
<alexandre.torgue@...s.st.com>
CC: dl-S32 <S32@....com>, "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>, Claudiu Manoil
<claudiu.manoil@....com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH 3/6] dt-bindings: net: Add DT bindings for DWMAC on NXP S32G/R
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
--
2.45.2
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