linux-kernel - [PATCH v4 1/4] dt-bindings: net: Add FSD EQoS device tree bindings

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Message-Id: <20240730091648.72322-2-swathi.ks@samsung.com>
Date: Tue, 30 Jul 2024 14:46:45 +0530
From: Swathi K S <swathi.ks@...sung.com>
To: krzk@...nel.org, robh@...nel.org, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	conor+dt@...nel.org, richardcochran@...il.com, mcoquelin.stm32@...il.com,
	andrew@...n.ch, alim.akhtar@...sung.com, linux-fsd@...la.com
Cc: netdev@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
	alexandre.torgue@...s.st.com, peppe.cavallaro@...com, joabreu@...opsys.com,
	swathi.ks@...sung.com, rcsekar@...sung.com, ssiddha@...la.com,
	jayati.sahu@...sung.com, pankaj.dubey@...sung.com, ravi.patel@...sung.com,
	gost.dev@...sung.com
Subject: [PATCH v4 1/4] dt-bindings: net: Add FSD EQoS device tree bindings

Add FSD Ethernet compatible in Synopsys dt-bindings document. Add FSD
Ethernet YAML schema to enable the DT validation.

Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
Signed-off-by: Ravi Patel <ravi.patel@...sung.com>
Signed-off-by: Swathi K S <swathi.ks@...sung.com>
---
 .../devicetree/bindings/net/snps,dwmac.yaml   |  5 +-
 .../devicetree/bindings/net/tesla,ethqos.yaml | 91 +++++++++++++++++++
 2 files changed, 94 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/net/tesla,ethqos.yaml

diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 3eb65e63fdae..0da11fe98cec 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -98,6 +98,7 @@ properties:
         - snps,dwxgmac-2.10
         - starfive,jh7100-dwmac
         - starfive,jh7110-dwmac
+        - tesla,fsd-ethqos
 
   reg:
     minItems: 1
@@ -121,7 +122,7 @@ properties:
 
   clocks:
     minItems: 1
-    maxItems: 8
+    maxItems: 10
     additionalItems: true
     items:
       - description: GMAC main clock
@@ -133,7 +134,7 @@ properties:
 
   clock-names:
     minItems: 1
-    maxItems: 8
+    maxItems: 10
     additionalItems: true
     contains:
       enum:
diff --git a/Documentation/devicetree/bindings/net/tesla,ethqos.yaml b/Documentation/devicetree/bindings/net/tesla,ethqos.yaml
new file mode 100644
index 000000000000..9246b0395126
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/tesla,ethqos.yaml
@@ -0,0 +1,91 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/tesla,ethqos.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: FSD Ethernet Quality of Service
+
+maintainers:
+  - Swathi K S <swathi.ks@...sung.com>
+
+description:
+  dwmmac based tesla ethernet devices which support Gigabit
+  ethernet.
+
+allOf:
+  - $ref: snps,dwmac.yaml#
+
+properties:
+  compatible:
+    const: tesla,fsd-ethqos.yaml
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 5
+    maxItems: 10
+
+  clock-names:
+    minItems: 5
+    maxItems: 10
+
+  iommus:
+    maxItems: 1
+
+  phy-mode:
+    $ref: ethernet-controller.yaml#/properties/phy-connection-type
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - iommus
+  - phy-mode
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/fsd-clk.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    ethernet_1: ethernet@...00000 {
+              compatible = "tesla,fsd-ethqos";
+              reg = <0x0 0x14300000 0x0 0x10000>;
+              interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>;
+              clocks = <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_CLK_PTP_REF_I>,
+                       <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_ACLK_I>,
+                       <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_HCLK_I>,
+                       <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_RGMII_CLK_I>,
+                       <&clock_peric PERIC_EQOS_TOP_IPCLKPORT_CLK_RX_I>,
+                       <&clock_peric PERIC_BUS_D_PERIC_IPCLKPORT_EQOSCLK>,
+                       <&clock_peric PERIC_BUS_P_PERIC_IPCLKPORT_EQOSCLK>,
+                       <&clock_peric PERIC_EQOS_PHYRXCLK_MUX>,
+                       <&clock_peric PERIC_EQOS_PHYRXCLK>,
+                       <&clock_peric PERIC_DOUT_RGMII_CLK>;
+              clock-names = "ptp_ref",
+                            "master_bus",
+                            "slave_bus",
+                            "tx",
+                            "rx",
+                            "master2_bus",
+                            "slave2_bus",
+                            "eqos_rxclk_mux",
+                            "eqos_phyrxclk",
+                            "dout_peric_rgmii_clk";
+              pinctrl-names = "default";
+              pinctrl-0 = <&eth1_tx_clk>, <&eth1_tx_data>, <&eth1_tx_ctrl>,
+                          <&eth1_phy_intr>, <&eth1_rx_clk>, <&eth1_rx_data>,
+                          <&eth1_rx_ctrl>, <&eth1_mdio>;
+              iommus = <&smmu_peric 0x0 0x1>;
+              phy-mode = "rgmii-id";
+    };
+
+...
-- 
2.17.1