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Date: Tue, 14 Nov 2023 10:07:27 +0100
From: Romain Gantois <romain.gantois@...tlin.com>
To: davem@...emloft.net,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc: Romain Gantois <romain.gantois@...tlin.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	thomas.petazzoni@...tlin.com,
	Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Vladimir Oltean <vladimir.oltean@....com>,
	Luka Perkov <luka.perkov@...tura.hr>,
	Robert Marko <robert.marko@...tura.hr>,
	Andy Gross <agross@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...ainline.org>
Subject: [PATCH net-next v2 1/8] dt-bindings: net: Introduce the Qualcomm IPQESS Ethernet switch

Add the DT binding for the IPQESS Ethernet switch subsystem, that
integrates a modified QCA8K switch and an EDMA MAC controller. It inherits
from a basic ethernet switch binding and adds three regmaps, a phandle and
reset line for the PSGMII, a phandle to the MDIO bus, a clock, and 32
interrupts.

Signed-off-by: Romain Gantois <romain.gantois@...tlin.com>
---
 .../bindings/net/qcom,ipq4019-ess.yaml        | 152 ++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/qcom,ipq4019-ess.yaml

diff --git a/Documentation/devicetree/bindings/net/qcom,ipq4019-ess.yaml b/Documentation/devicetree/bindings/net/qcom,ipq4019-ess.yaml
new file mode 100644
index 000000000000..85dff85e50b5
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/qcom,ipq4019-ess.yaml
@@ -0,0 +1,152 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/qcom,ipq4019-ess.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm IPQ4019 Ethernet Switch Subsystem
+
+maintainers:
+  - Romain Gantois <romain.gantois@...tlin.com>
+
+$ref: ethernet-switch.yaml#
+
+properties:
+  compatible:
+    const: qcom,ipq4019-ess
+
+  reg:
+    items:
+      - description: Base ESS registers, which configure the integrated QCA8K switch.
+      - description: ESS PSGMII-related registers, which control VCO calibration and link
+                     modes.
+      - description: ESS EDMA controller registers. The EDMA controller is an Ethernet
+                     controller connected to the integrated switch's CPU port.
+  reg-names:
+    items:
+      - const: base
+      - const: psgmii_phy
+      - const: edma
+
+  resets:
+    items:
+      - description: Handle to the PSGMII reset line.
+      - description: Handle to the ESS reset line.
+
+  reset-names:
+    items:
+      - const: psgmii
+      - const: ess
+
+  clocks:
+    maxItems: 1
+    description: Handle to the GCC ESS clock
+
+  mdio:
+    maxItems: 1
+    description: Handle to the IPQ4019 MDIO Controller
+
+  interrupts:
+    maxItems: 32
+    description: One interrupt per tx and rx queue, the first 16 are rx queues
+                 and the last 16 are the tx queues
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - resets
+  - reset-names
+  - clocks
+  - mdio
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-ipq4019.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    switch: switch@...0000 {
+        compatible = "qcom,ipq4019-ess";
+        reg = <0xc000000 0x80000>, <0x98000 0x800>, <0xc080000 0x80000>;
+        reg-names = "base", "psgmii_phy", "edma";
+        resets = <&gcc ESS_PSGMII_ARES>, <&gcc ESS_RESET>;
+        reset-names = "psgmii", "ess";
+        clocks = <&gcc GCC_ESS_CLK>;
+        mdio = <&mdio>;
+        interrupts = <GIC_SPI  65 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  66 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  67 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  68 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  69 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  70 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  71 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  72 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  73 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  74 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  75 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  76 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  77 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  78 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  79 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI  80 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 240 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 241 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 242 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 243 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 244 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 245 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 246 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 247 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 248 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 249 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 250 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 251 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 252 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 253 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 254 IRQ_TYPE_EDGE_RISING>,
+                     <GIC_SPI 255 IRQ_TYPE_EDGE_RISING>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            swport1: port@1 { /* MAC1 */
+                 reg = <1>;
+                 label = "lan1";
+                 phy-handle = <&ethphy0>;
+                 phy-mode = "psgmii";
+            };
+
+            swport2: port@2 { /* MAC2 */
+                 reg = <2>;
+                 label = "lan2";
+                 phy-handle = <&ethphy1>;
+                 phy-mode = "psgmii";
+            };
+
+            swport3: port@3 { /* MAC3 */
+                 reg = <3>;
+                 label = "lan3";
+                 phy-handle = <&ethphy2>;
+                 phy-mode = "psgmii";
+            };
+
+            swport4: port@4 { /* MAC4 */
+                 reg = <4>;
+                 label = "lan4";
+                 phy-handle = <&ethphy3>;
+                 phy-mode = "psgmii";
+            };
+
+            swport5: port@5 { /* MAC5 */
+                 reg = <5>;
+                 label = "wan";
+                 phy-handle = <&ethphy4>;
+                 phy-mode = "psgmii";
+            };
+        };
+    };
+
+...
-- 
2.42.0


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