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Message-ID: <20250424154722.534284-3-ivecera@redhat.com>
Date: Thu, 24 Apr 2025 17:47:16 +0200
From: Ivan Vecera <ivecera@...hat.com>
To: netdev@...r.kernel.org
Cc: Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
Jiri Pirko <jiri@...nulli.us>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Prathosh Satish <Prathosh.Satish@...rochip.com>,
Lee Jones <lee@...nel.org>,
Kees Cook <kees@...nel.org>,
Andy Shevchenko <andy@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Michal Schmidt <mschmidt@...hat.com>,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-hardening@...r.kernel.org
Subject: [PATCH net-next v4 2/8] dt-bindings: dpll: Add support for Microchip Azurite chip family
Add DT bindings for Microchip Azurite DPLL chip family. These chips
provide up to 5 independent DPLL channels, 10 differential or
single-ended inputs and 10 differential or 20 single-ended outputs.
They can be connected via I2C or SPI busses.
Check:
$ make dt_binding_check DT_SCHEMA_FILES=/dpll/
SCHEMA Documentation/devicetree/bindings/processed-schema.json
/home/cera/devel/kernel/linux-2.6/Documentation/devicetree/bindings/net/snps,dwmac.yaml: mac-mode: missing type definition
CHKDT ./Documentation/devicetree/bindings
LINT ./Documentation/devicetree/bindings
DTC [C] Documentation/devicetree/bindings/dpll/dpll-pin.example.dtb
DTEX Documentation/devicetree/bindings/dpll/microchip,zl30731.example.dts
DTC [C] Documentation/devicetree/bindings/dpll/microchip,zl30731.example.dtb
DTC [C] Documentation/devicetree/bindings/dpll/dpll-device.example.dtb
Signed-off-by: Ivan Vecera <ivecera@...hat.com>
---
v3->v4:
* fixed $Id
* dpll-pin type property renamed to connection type
v1->v3:
* single file for both i2c & spi
* 5 compatibles for all supported chips from the family
---
.../bindings/dpll/microchip,zl30731.yaml | 115 ++++++++++++++++++
1 file changed, 115 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dpll/microchip,zl30731.yaml
diff --git a/Documentation/devicetree/bindings/dpll/microchip,zl30731.yaml b/Documentation/devicetree/bindings/dpll/microchip,zl30731.yaml
new file mode 100644
index 0000000000000..17747f754b845
--- /dev/null
+++ b/Documentation/devicetree/bindings/dpll/microchip,zl30731.yaml
@@ -0,0 +1,115 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dpll/microchip,zl30731.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip Azurite DPLL device
+
+maintainers:
+ - Ivan Vecera <ivecera@...hat.com>
+
+description:
+ Microchip Azurite DPLL (ZL3073x) is a family of DPLL devices that
+ provides up to 5 independent DPLL channels, up to 10 differential or
+ single-ended inputs and 10 differential or 20 single-ended outputs.
+ These devices support both I2C and SPI interfaces.
+
+properties:
+ compatible:
+ enum:
+ - microchip,zl30731
+ - microchip,zl30732
+ - microchip,zl30733
+ - microchip,zl30734
+ - microchip,zl30735
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+allOf:
+ - $ref: /schemas/dpll/dpll-device.yaml#
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dpll@70 {
+ compatible = "microchip,zl30732";
+ reg = <0x70>;
+ dpll-types = "pps", "eec";
+
+ input-pins {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pin@0 { /* REF0P */
+ reg = <0>;
+ connection-type = "ext";
+ label = "Input 0";
+ supported-frequencies-hz = /bits/ 64 <1 1000>;
+ };
+ };
+
+ output-pins {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pin@3 { /* OUT1N */
+ reg = <3>;
+ connection-type = "gnss";
+ esync-control;
+ label = "Output 1";
+ supported-frequencies-hz = /bits/ 64 <1 10000>;
+ };
+ };
+ };
+ };
+ - |
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dpll@70 {
+ compatible = "microchip,zl30731";
+ reg = <0x70>;
+ spi-max-frequency = <12500000>;
+
+ dpll-types = "pps";
+
+ input-pins {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pin@0 { /* REF0P */
+ reg = <0>;
+ connection-type = "ext";
+ label = "Input 0";
+ supported-frequencies-hz = /bits/ 64 <1 1000>;
+ };
+ };
+
+ output-pins {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pin@3 { /* OUT1N */
+ reg = <3>;
+ connection-type = "gnss";
+ esync-control;
+ label = "Output 1";
+ supported-frequencies-hz = /bits/ 64 <1 10000>;
+ };
+ };
+ };
+ };
+...
--
2.49.0
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