[v2,1/2] dt-bindings: phy: add binding for the i.MX8MP HDMI PHY

Commit Message

Lucas Stach Dec. 15, 2022, 8:10 p.m. UTC

Add a DT binding for the HDMI PHY found on the i.MX8MP SoC.

Signed-off-by: Lucas Stach <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
---
v2:
- drop minItems from clocks
- add description
---
 .../bindings/phy/fsl,imx8mp-hdmi-phy.yaml     | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/fsl,imx8mp-hdmi-phy.yaml

Patch

diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8mp-hdmi-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8mp-hdmi-phy.yaml
new file mode 100644
index 000000000000..61ffdc4d5792
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/fsl,imx8mp-hdmi-phy.yaml
@@ -0,0 +1,66 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/fsl,imx8mp-hdmi-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8MP HDMI PHY binding
+
+maintainers:
+  - Lucas Stach <[e-mail]>
+
+description:
+  The HDMI PHY in the i.MX8MP SoC is implemented in 14nm technology and
+  is based on Samsung IP.
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx8mp-hdmi-phy
+
+  reg:
+    maxItems: 1
+
+  "#clock-cells":
+    const: 0
+
+  clocks:
+    maxItems: 2
+
+  clock-names:
+    items:
+      - const: apb
+      - const: ref
+
+  "#phy-cells":
+    const: 0
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - "#clock-cells"
+  - clocks
+  - clock-names
+  - "#phy-cells"
+  - power-domains
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8mp-clock.h>
+    #include <dt-bindings/power/imx8mp-power.h>
+
+    phy@32fdff00 {
+        compatible = "fsl,imx8mp-hdmi-phy";
+        reg = <0x32fdff00 0x100>;
+        clocks = <&clk IMX8MP_CLK_HDMI_APB>,
+                 <&clk IMX8MP_CLK_HDMI_24M>;
+        clock-names = "apb", "ref";
+        power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_HDMI_TX_PHY>;
+        #clock-cells = <0>;
+        #phy-cells = <0>;
+    };