1 files changed, 126 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-hdmi.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-hdmi.yaml
new file mode 100644
index 000000000000..035b9f1f2eb5
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@@ -0,0 +1,126 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/tegra/nvidia,tegra20-hdmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVIDIA Tegra HDMI Output Encoder
+
+maintainers:
+  - Thierry Reding <thierry.reding@gmail.com>
+  - Jon Hunter <jonathanh@nvidia.com>
+
+properties:
+  $nodename:
+    pattern: "^hdmi@[0-9a-f]+$"
+
+  compatible:
+    oneOf:
+      - enum:
+          - nvidia,tegra20-hdmi
+          - nvidia,tegra30-hdmi
+          - nvidia,tegra114-hdmi
+          - nvidia,tegra124-hdmi
+
+      - items:
+          - const: nvidia,tegra132-hdmi
+          - const: nvidia,tegra124-hdmi
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: module clock
+      - description: parent clock
+
+  clock-names:
+    items:
+      - const: hdmi
+      - const: parent
+
+  resets:
+    items:
+      - description: module reset
+
+  reset-names:
+    items:
+      - const: hdmi
+
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
+    items:
+      - description: phandle to the core power domain
+
+  hdmi-supply:
+    description: supply for the +5V HDMI connector pin
+
+  vdd-supply:
+    description: regulator for supply voltage
+
+  pll-supply:
+    description: regulator for PLL
+
+  nvidia,ddc-i2c-bus:
+    description: phandle of an I2C controller used for DDC EDID
+      probing
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  nvidia,hpd-gpio:
+    description: specifies a GPIO used for hotplug detection
+    maxItems: 1
+
+  nvidia,edid:
+    description: supplies a binary EDID blob
+    $ref: "/schemas/types.yaml#/definitions/uint8-array"
+
+  nvidia,panel:
+    description: phandle of a display panel
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  "#sound-dai-cells":
+    const: 0
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - pll-supply
+  - vdd-supply
+  - nvidia,ddc-i2c-bus
+  - nvidia,hpd-gpio
+
+examples:
+  - |
+    #include <dt-bindings/clock/tegra124-car.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/gpio/tegra-gpio.h>
+
+    hdmi@54280000 {
+        compatible = "nvidia,tegra124-hdmi";
+        reg = <0x54280000 0x00040000>;
+        interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&tegra_car TEGRA124_CLK_HDMI>,
+                 <&tegra_car TEGRA124_CLK_PLL_D2_OUT0>;
+        clock-names = "hdmi", "parent";
+        resets = <&tegra_car 51>;
+        reset-names = "hdmi";
+
+        hdmi-supply = <&vdd_5v0_hdmi>;
+        pll-supply = <&vdd_hdmi_pll>;
+        vdd-supply = <&vdd_3v3_hdmi>;
+
+        nvidia,ddc-i2c-bus = <&hdmi_ddc>;
+        nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7) GPIO_ACTIVE_HIGH>;
+    };