[PATCH v2 1/4] dt-bindings: net: Add FSD EQoS device tree bindings

[Sriranjani P <sriranjani.p@xxxxxxxxxxx>]

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@xxxxxxxxxxx>
Signed-off-by: Ravi Patel <ravi.patel@xxxxxxxxxxx>
Signed-off-by: Sriranjani P <sriranjani.p@xxxxxxxxxxx>
---
 .../devicetree/bindings/net/snps,dwmac.yaml   |   1 +
 .../net/tesla,dwc-qos-ethernet-4.21.yaml      | 103 ++++++++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/tesla,dwc-qos-ethernet-4.21.yaml

diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 2f909ffe2fe8..e8d53061fd35 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -89,6 +89,7 @@ properties:
         - snps,dwmac-5.10a
         - snps,dwxgmac
         - snps,dwxgmac-2.10
+        - tesla,dwc-qos-ethernet-4.21
 
   reg:
     minItems: 1
diff --git a/Documentation/devicetree/bindings/net/tesla,dwc-qos-ethernet-4.21.yaml b/Documentation/devicetree/bindings/net/tesla,dwc-qos-ethernet-4.21.yaml
new file mode 100644
index 000000000000..d0dfc4a38d17
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/tesla,dwc-qos-ethernet-4.21.yaml
@@ -0,0 +1,103 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/tesla,dwc-qos-ethernet-4.21.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: FSD Ethernet Quality of Service Device Tree Bindings
+
+allOf:
+  - $ref: "snps,dwmac.yaml#"
+
+maintainers:
+  - Sriranjani P <sriranjani.p@xxxxxxxxxxx>
+
+properties:
+  compatible:
+    const: tesla,dwc-qos-ethernet-4.21.yaml
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 4
+
+  clock-names:
+    minItems: 4
+    items:
+      - const: ptp_ref
+      - const: master_bus
+      - const: slave_bus
+      - const: tx
+      - const: rx
+      - const: master2_bus
+      - const: slave2_bus
+      - const: eqos_rxclk_mux
+      - const: eqos_phyrxclk
+      - const: dout_peric_rgmii_clk
+
+  rx-clock-skew:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+
+  iommus:
+    maxItems: 1
+
+  phy-mode:
+    $ref: ethernet-controller.yaml#/properties/phy-connection-type
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - rx-clock-skew
+  - iommus
+  - phy-mode
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/fsd-clk.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    ethernet_1: ethernet@14300000 {
+              compatible = "tesla,dwc-qos-ethernet-4.21";
+              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>;
+              rx-clock-skew = <&sysreg_peric 0x10 0x0>;
+              iommus = <&smmu_peric 0x0 0x1>;
+              phy-mode = "rgmii";
+    };
+
+...
-- 
2.17.1