[PATCH v2 2/4] dt-bindings: display: bridge: add it66121 bindings

From: Phong LE <ple@baylibre.com>
To: narmstrong@baylibre.com, airlied@linux.ie, daniel@ffwll.ch,
	robh+dt@kernel.org, mark.rutland@arm.com, a.hajda@samsung.com
Cc: devicetree@vger.kernel.org, jernej.skrabec@siol.net,
	dri-devel@lists.freedesktop.org, stephan@gerhold.net,
	jonas@kwiboo.se, heiko.stuebner@theobroma-systems.com,
	Jonathan.Cameron@huawei.com, linux-kernel@vger.kernel.org,
	broonie@kernel.org, Laurent.pinchart@ideasonboard.com,
	gregkh@linuxfoundation.org, mchehab+samsung@kernel.org,
	andriy.shevchenko@linux.intel.com, sam@ravnborg.org,
	davem@davemloft.net, icenowy@aosc.io
Subject: [PATCH v2 2/4] dt-bindings: display: bridge: add it66121 bindings
Date: Wed, 11 Mar 2020 13:51:33 +0100	[thread overview]
Message-ID: <20200311125135.30832-3-ple@baylibre.com> (raw)
In-Reply-To: <20200311125135.30832-1-ple@baylibre.com>

Add the ITE bridge HDMI it66121 bindings.

Signed-off-by: Phong LE <ple@baylibre.com>
---
 .../bindings/display/bridge/ite,it66121.yaml  | 98 +++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml
new file mode 100644
index 000000000000..1717e880d130
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/ite,it66121.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/ite,it66121.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ITE it66121 HDMI bridge Device Tree Bindings
+
+maintainers:
+  - Phong LE <ple@baylibre.com>
+  - Neil Armstrong <narmstrong@baylibre.com>
+
+description: |
+  The IT66121 is a high-performance and low-power single channel HDMI
+  transmitter, fully compliant with HDMI 1.3a, HDCP 1.2 and backward compatible
+  to DVI 1.0 specifications.
+
+properties:
+  compatible:
+    const: ite,it66121
+
+  reg:
+    maxItems: 1
+    description: base I2C address of the device
+
+  reset-gpios:
+    maxItems: 1
+    description: GPIO connected to active low reset
+
+  vrf12-supply:
+    maxItems: 1
+    description: Regulator for 1.2V analog core power.
+
+  vcn33-supply:
+    maxItems: 1
+    description: Regulator for 3.3V digital core power.
+
+  vcn18-supply:
+    maxItems: 1
+    description: Regulator for 1.8V IO core power.
+
+  interrupts:
+    maxItems: 1
+
+  pclk-dual-edge:
+    maxItems: 1
+    description: enable pclk dual edge mode.
+
+  port:
+    type: object
+
+    properties:
+      endpoint:
+        type: object
+        description: |
+          Input endpoints of the bridge.
+
+    required:
+      - endpoint
+
+required:
+  - compatible
+  - reg
+  - reset-gpios
+  - vrf12-supply
+  - vcn33-supply
+  - vcn18-supply
+  - interrupts
+  - port
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c6 {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      it66121hdmitx: it66121hdmitx@4c {
+        compatible = "ite,it66121";
+        pinctrl-names = "default";
+        pinctrl-0 = <&ite_pins_default>;
+        vcn33-supply = <&mt6358_vcn33_wifi_reg>;
+        vcn18-supply = <&mt6358_vcn18_reg>;
+        vrf12-supply = <&mt6358_vrf12_reg>;
+        reset-gpios = <&pio 160 1 /* GPIO_ACTIVE_LOW */>;
+        interrupt-parent = <&pio>;
+        interrupts = <4 8 /* IRQ_TYPE_LEVEL_LOW */>;
+        reg = <0x4c>;
+        pclk-dual-edge;
+
+        port {
+          it66121_in: endpoint {
+            remote-endpoint = <&display_out>;
+          };
+        };
+      };
+    };
-- 
2.17.1

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