diff mbox series

[v0.5,1/9] dt-bindings: display: imx: add binding for i.MX8MP HDMI TX

Message ID 20220506181034.2001548-2-l.stach@pengutronix.de
State New
Headers show
Series i.MX8MP HDMI support | expand

Commit Message

Lucas Stach May 6, 2022, 6:10 p.m. UTC 
The HDMI TX controller on the i.MX8MP SoC is a Synopsys designware IP
core with a little bit of SoC integration around it.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
 .../bindings/display/imx/fsl,imx8mp-hdmi.yaml | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi.yaml
new file mode 100644
index 000000000000..bd9a2b135176
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi.yaml
@@ -0,0 +1,73 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/imx/fsl,imx8mp-hdmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8MP DWC HDMI TX Encoder
+
+maintainers:
+  - Lucas Stach <l.stach@pengutronix.de>
+
+description: |
+  The HDMI transmitter is a Synopsys DesignWare HDMI 2.0 TX controller IP.
+
+allOf:
+  - $ref: ../bridge/synopsys,dw-hdmi.yaml#
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx8mp-hdmi
+
+  reg:
+    maxItems: 1
+
+  reg-io-width:
+    const: 1
+
+  clocks:
+    maxItems: 5
+
+  clock-names:
+    items:
+      - {}
+      - {}
+      - const: cec
+      - const: pix
+      - const: fdcc 
+
+  interrupts:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+  - power-domains
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/imx8mp-clock.h>
+    #include <dt-bindings/power/imx8mp-power.h>
+
+    hdmi@32fd8000 {
+        compatible = "fsl,imx8mp-hdmi";
+        reg = <0x32fd8000 0x7eff>;
+        interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&clk IMX8MP_CLK_HDMI_APB>,
+                 <&clk IMX8MP_CLK_HDMI_REF_266M>,
+                 <&clk IMX8MP_CLK_32K>,
+                 <&hdmi_tx_phy>;
+        clock-names = "iahb", "isfr", "cec", "pix";
+        power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_HDMI_TX>;
+        reg-io-width = <1>;
+    };