linux-kernel - [PATCH v3 1/2] dt-bindings: phy: add Amlogic AXG MIPI D-PHY bindings

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Date:   Wed,  4 Nov 2020 14:47:29 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     devicetree@...r.kernel.org, kishon@...com
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v3 1/2] dt-bindings: phy: add Amlogic AXG MIPI D-PHY bindings

The Amlogic AXg SoCs embeds a MIPI D-PHY to communicate with DSI
panels, this adds the bindings.

This D-PHY depends on a separate analog PHY.

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 .../bindings/phy/amlogic,axg-mipi-dphy.yaml   | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/amlogic,axg-mipi-dphy.yaml

diff --git a/Documentation/devicetree/bindings/phy/amlogic,axg-mipi-dphy.yaml b/Documentation/devicetree/bindings/phy/amlogic,axg-mipi-dphy.yaml
new file mode 100644
index 000000000000..be485f500887
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/amlogic,axg-mipi-dphy.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# Copyright 2020 BayLibre, SAS
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/amlogic,axg-mipi-dphy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic AXG MIPI D-PHY
+
+maintainers:
+  - Neil Armstrong <narmstrong@...libre.com>
+
+properties:
+  compatible:
+    enum:
+      - amlogic,axg-mipi-dphy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: pclk
+
+  resets:
+    maxItems: 1
+
+  reset-names:
+    items:
+      - const: phy
+
+  "#phy-cells":
+    const: 0
+
+  phys:
+    maxItems: 1
+
+  phy-names:
+    items:
+      - const: analog
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - phys
+  - phy-names
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    phy@...40000 {
+            compatible = "amlogic,axg-mipi-dphy";
+            reg = <0xff640000 0x100>;
+            clocks = <&clk_mipi_dsi_phy>;
+            clock-names = "pclk";
+            resets = <&reset_phy>;
+            reset-names = "phy";
+            phys = <&mipi_pcie_analog_dphy>;
+            phy-names = "analog";
+            #phy-cells = <0>;
+    };
-- 
2.25.1