Thread (36 messages) 36 messages, 5 authors, 2024-07-29

Re: [PATCH v3 1/4] dt-bindings: net: Add FSD EQoS device tree bindings

From: Krzysztof Kozlowski <hidden>
Date: 2023-08-14 19:40:29
Also in: linux-devicetree, linux-samsung-soc, lkml, netdev

On 14/08/2023 13:25, Sriranjani P wrote:
quoted hunk ↗ jump to hunk
Add FSD Ethernet compatible in Synopsys dt-bindings document. Add FSD
Ethernet YAML schema to enable the DT validation.

Signed-off-by: Pankaj Dubey <redacted>
Signed-off-by: Ravi Patel <redacted>
Signed-off-by: Swathi K S <redacted>
Signed-off-by: Sriranjani P <redacted>
---
 .../devicetree/bindings/net/snps,dwmac.yaml   |   5 +-
 .../devicetree/bindings/net/tesla,ethqos.yaml | 114 ++++++++++++++++++
 2 files changed, 117 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 ddf9522a5dc2..0ced7901e644 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -96,6 +96,7 @@ properties:
         - snps,dwxgmac
         - snps,dwxgmac-2.10
         - starfive,jh7110-dwmac
+        - tesla,fsd-ethqos-4.21
I don't think one given SoC - and I was told FSD is strictly defined one
specific SoC - can have different versions of the same block, so drop
the block versioning.
quoted hunk ↗ jump to hunk
 
   reg:
     minItems: 1
@@ -117,7 +118,7 @@ properties:
 
   clocks:
     minItems: 1
-    maxItems: 8
+    maxItems: 10
     additionalItems: true
     items:
       - description: GMAC main clock
@@ -129,7 +130,7 @@ 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..b78829246364
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/tesla,ethqos.yaml
@@ -0,0 +1,114 @@
+# 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:
+  - Sriranjani P <sriranjani.p@samsung.com>
+  - Swathi K S <swathi.ks@samsung.com>
+
+description:
+  dwmmac based tesla ethernet devices which support Gigabit
+  ethernet.
+
+allOf:
+  - $ref: snps,dwmac.yaml#
+
+properties:
+  compatible:
+    const: tesla,fsd-ethqos-4.21.yaml
?
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    minItems: 5
Why? I expect it to be specific.
+    maxItems: 10
+
+  clock-names:
+    minItems: 5
+    maxItems: 10
+    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
+
+  fsd-rx-clock-skew:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      - items:
+          - description: phandle to the syscon node
+          - description: offset of the control register
+    description:
+      Should be phandle/offset pair. The phandle to the syscon node.
+
+  iommus:
+    maxItems: 1
+
+  phy-mode:
+    $ref: ethernet-controller.yaml#/properties/phy-connection-type
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - rx-clock-skew
Eee? Isn't it fsd-rx-clock-skew which anyway is not correct?
+  - 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";
Three different compatibles for the same.

No, please test your patches before sending.

I am not even checking if previous feedback was applied... Did you
really go through it?

Best regards,
Krzysztof


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