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

Phong LE
2020-03-11T12:51:51Z

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