Thread (7 messages) 7 messages, 3 authors, 2021-06-22

[PATCH 1/2] dt-bindings: phy: Add the Amlogic Meson8 HDMI TX PHY bindings

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From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Date: 2021-06-04 19:05:02
Also in: linux-amlogic, linux-devicetree, linux-phy, lkml
Subsystem: arm/amlogic meson soc support, generic phy framework, open firmware and flattened device tree bindings, the rest · Maintainers: Neil Armstrong, Kevin Hilman, Vinod Koul, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

Revision v1 of 3 in this series.

Revisions (3)
  1. v1 current
  2. v2 [diff vs current]
  3. v3 [diff vs current]
Amlogic Meson8, Meson8b and Meson8m2 all include an identical (or at
least very similar) HDMI TX PHY. The PHY registers are part of the HHI
register area.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
 .../phy/amlogic,meson8-hdmi-tx-phy.yaml       | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/amlogic,meson8-hdmi-tx-phy.yaml
diff --git a/Documentation/devicetree/bindings/phy/amlogic,meson8-hdmi-tx-phy.yaml b/Documentation/devicetree/bindings/phy/amlogic,meson8-hdmi-tx-phy.yaml
new file mode 100644
index 000000000000..18a123b9bb0a
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/amlogic,meson8-hdmi-tx-phy.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/amlogic,meson8-hdmi-tx-phy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic Meson8, Meson8b and Meson8m2 HDMI TX PHY
+
+maintainers:
+  - Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+
+description: |+
+  The HDMI TX PHY node should be the child of a syscon node with the
+  required property:
+
+  compatible = "amlogic,meson-hhi-sysctrl", "simple-mfd", "syscon"
+
+  Refer to the bindings described in
+  Documentation/devicetree/bindings/mfd/syscon.yaml
+
+properties:
+  $nodename:
+    pattern: "^hdmi-phy$"
+
+  compatible:
+    enum:
+      - amlogic,meson8-hdmi-tx-phy
+      - amlogic,meson8b-hdmi-tx-phy
+      - amlogic,meson8m2-hdmi-tx-phy
+
+  clocks:
+    minItems: 1
+    description:
+      HDMI TMDS clock
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    hdmi_tx_phy: hdmi-phy {
+      compatible = "amlogic,meson8-hdmi-tx-phy";
+      clocks = <&tmds_clock>;
+      #phy-cells = <0>;
+    };
-- 
2.31.1


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