Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Martin Blumenstingl <martin.blumenstingl@googlemail.com>
To:     robh+dt@kernel.org, linux-phy@lists.infradead.org,
        devicetree@vger.kernel.org, linux-amlogic@lists.infradead.org
Cc:     kishon@ti.com, vkoul@kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Subject: [PATCH 1/2] dt-bindings: phy: Add the Amlogic Meson8 HDMI TX PHY bindings
Date:   Fri,  4 Jun 2021 21:03:37 +0200
Message-Id: <20210604190338.2248295-2-martin.blumenstingl@googlemail.com>
In-Reply-To: <20210604190338.2248295-1-martin.blumenstingl@googlemail.com>
References: <20210604190338.2248295-1-martin.blumenstingl@googlemail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

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