diff mbox series

[v3,1/2] dt-bindings: display: bridge: Add documentation for Toshiba tc358768

Message ID 20200127105634.7638-2-peter.ujfalusi@ti.com (mailing list archive)
State New, archived
Headers show
Series drm/bridge: Support for Toshiba tc358768 RGB to DSI bridge | expand

Commit Message

Peter Ujfalusi Jan. 27, 2020, 10:56 a.m. UTC
TC358768/TC358778 is a Parallel RGB to MIPI DSI bridge.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 .../display/bridge/toshiba,tc358768.yaml      | 158 ++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml

Comments

Rob Herring Jan. 27, 2020, 6:49 p.m. UTC | #1
On Mon, Jan 27, 2020 at 12:56:33PM +0200, Peter Ujfalusi wrote:
> TC358768/TC358778 is a Parallel RGB to MIPI DSI bridge.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
> ---
>  .../display/bridge/toshiba,tc358768.yaml      | 158 ++++++++++++++++++
>  1 file changed, 158 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
> new file mode 100644
> index 000000000000..8dd8cca39a77
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
> @@ -0,0 +1,158 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358768.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Toschiba TC358768/TC358778 Parallel RGB to MIPI DSI bridge
> +
> +maintainers:
> +  - Peter Ujfalusi <peter.ujfalusi@ti.com>
> +
> +description: |
> +  The TC358768/TC358778 is bridge device which converts RGB to DSI.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - toshiba,tc358768
> +      - toshiba,tc358778
> +
> +  reg:
> +    maxItems: 1
> +    description: base I2C address of the device
> +
> +  reset-gpios:
> +    maxItems: 1
> +    description: GPIO connected to active low RESX pin
> +
> +  vddc-supply:
> +    description: Regulator for 1.2V internal core power.
> +
> +  vddmipi-supply:
> +    description: Regulator for 1.2V for the MIPI.
> +
> +  vddio-supply:
> +    description: Regulator for 1.8V - 3.3V IO power.
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    const: refclk
> +
> +  ports:
> +    type: object
> +
> +    properties:
> +      "#address-cells":
> +        const: 1
> +
> +      "#size-cells":
> +        const: 0
> +
> +      port@0:
> +        type: object
> +        additionalProperties: false
> +
> +        description: |
> +          Video port for RGB input
> +
> +        properties:
> +          reg:
> +            const: 0
> +
> +        patternProperties:
> +          endpoint:
> +            type: object
> +            additionalProperties: false
> +
> +            properties:
> +              data-lines:
> +                enum: [ 16, 18, 24 ]
> +
> +              remote-endpoint: true
> +
> +        required:
> +          - reg
> +
> +      port@1:
> +        type: object
> +        additionalProperties: false
> +
> +        description: |
> +          Video port for DSI output (panel or connector).
> +
> +        properties:
> +          reg:
> +            const: 1
> +
> +        patternProperties:
> +          endpoint:
> +            type: object
> +            additionalProperties: false
> +
> +            properties:
> +              remote-endpoint: true
> +
> +        required:
> +          - reg
> +
> +    required:
> +      - "#address-cells"
> +      - "#size-cells"
> +      - port@0
> +      - port@1
> +
> +required:
> +  - compatible
> +  - reg
> +  - vddc-supply
> +  - vddmipi-supply
> +  - vddio-supply
> +  - ports
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c1 {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      dsi_bridge: tc358768@0e {

Generic node names and no leading 0s:

dsi-bridge@e

> +        compatible = "toshiba,tc358768";
> +        reg = <0x0e>;
> +
> +        clocks = <&tc358768_refclk>;
> +        clock-names = "refclk";
> +
> +        /* GPIO line is inverted before going to the bridge */
> +        reset-gpios = <&pcf_display_board 0 1 /* GPIO_ACTIVE_LOW */>;

You just need to add the include for the define to work.

> +
> +        vddc-supply = <&v1_2d>;
> +        vddmipi-supply = <&v1_2d>;
> +        vddio-supply = <&v3_3d>;
> +
> +        dsi_bridge_ports: ports {
> +          #address-cells = <1>;
> +          #size-cells = <0>;
> +
> +          port@0 {
> +            reg = <0>;
> +            rgb_in: endpoint {
> +              remote-endpoint = <&dpi_out>;
> +              data-lines = <24>;
> +            };
> +          };
> +
> +          port@1 {
> +            reg = <1>;
> +            dsi_out: endpoint {
> +              remote-endpoint = <&lcd_in>;
> +            };
> +          };
> +        };
> +      };
> +    };
> +    
> -- 
> Peter
> 
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
>
Peter Ujfalusi Jan. 28, 2020, 10:14 a.m. UTC | #2
Hi Rob,

On 27/01/2020 20.49, Rob Herring wrote:
> On Mon, Jan 27, 2020 at 12:56:33PM +0200, Peter Ujfalusi wrote:
>> TC358768/TC358778 is a Parallel RGB to MIPI DSI bridge.
>>
>> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
>> ---
>>  .../display/bridge/toshiba,tc358768.yaml      | 158 ++++++++++++++++++
>>  1 file changed, 158 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
>> new file mode 100644
>> index 000000000000..8dd8cca39a77
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
>> +examples:
>> +  - |
>> +    i2c1 {
>> +      #address-cells = <1>;
>> +      #size-cells = <0>;
>> +
>> +      dsi_bridge: tc358768@0e {
> 
> Generic node names and no leading 0s:
> 
> dsi-bridge@e

Right, I'll correct it.

>> +        compatible = "toshiba,tc358768";
>> +        reg = <0x0e>;
>> +
>> +        clocks = <&tc358768_refclk>;
>> +        clock-names = "refclk";
>> +
>> +        /* GPIO line is inverted before going to the bridge */
>> +        reset-gpios = <&pcf_display_board 0 1 /* GPIO_ACTIVE_LOW */>;
> 
> You just need to add the include for the define to work.

You are right, it compiles fine with the include added.

Thank you,
- Péter

>> +
>> +        vddc-supply = <&v1_2d>;
>> +        vddmipi-supply = <&v1_2d>;
>> +        vddio-supply = <&v3_3d>;
>> +
>> +        dsi_bridge_ports: ports {
>> +          #address-cells = <1>;
>> +          #size-cells = <0>;
>> +
>> +          port@0 {
>> +            reg = <0>;
>> +            rgb_in: endpoint {
>> +              remote-endpoint = <&dpi_out>;
>> +              data-lines = <24>;
>> +            };
>> +          };
>> +
>> +          port@1 {
>> +            reg = <1>;
>> +            dsi_out: endpoint {
>> +              remote-endpoint = <&lcd_in>;
>> +            };
>> +          };
>> +        };
>> +      };
>> +    };
>> +    
>> -- 
>> Peter
>>
>> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
>> Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
>>


Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
new file mode 100644
index 000000000000..8dd8cca39a77
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
@@ -0,0 +1,158 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358768.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Toschiba TC358768/TC358778 Parallel RGB to MIPI DSI bridge
+
+maintainers:
+  - Peter Ujfalusi <peter.ujfalusi@ti.com>
+
+description: |
+  The TC358768/TC358778 is bridge device which converts RGB to DSI.
+
+properties:
+  compatible:
+    enum:
+      - toshiba,tc358768
+      - toshiba,tc358778
+
+  reg:
+    maxItems: 1
+    description: base I2C address of the device
+
+  reset-gpios:
+    maxItems: 1
+    description: GPIO connected to active low RESX pin
+
+  vddc-supply:
+    description: Regulator for 1.2V internal core power.
+
+  vddmipi-supply:
+    description: Regulator for 1.2V for the MIPI.
+
+  vddio-supply:
+    description: Regulator for 1.8V - 3.3V IO power.
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: refclk
+
+  ports:
+    type: object
+
+    properties:
+      "#address-cells":
+        const: 1
+
+      "#size-cells":
+        const: 0
+
+      port@0:
+        type: object
+        additionalProperties: false
+
+        description: |
+          Video port for RGB input
+
+        properties:
+          reg:
+            const: 0
+
+        patternProperties:
+          endpoint:
+            type: object
+            additionalProperties: false
+
+            properties:
+              data-lines:
+                enum: [ 16, 18, 24 ]
+
+              remote-endpoint: true
+
+        required:
+          - reg
+
+      port@1:
+        type: object
+        additionalProperties: false
+
+        description: |
+          Video port for DSI output (panel or connector).
+
+        properties:
+          reg:
+            const: 1
+
+        patternProperties:
+          endpoint:
+            type: object
+            additionalProperties: false
+
+            properties:
+              remote-endpoint: true
+
+        required:
+          - reg
+
+    required:
+      - "#address-cells"
+      - "#size-cells"
+      - port@0
+      - port@1
+
+required:
+  - compatible
+  - reg
+  - vddc-supply
+  - vddmipi-supply
+  - vddio-supply
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c1 {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      dsi_bridge: tc358768@0e {
+        compatible = "toshiba,tc358768";
+        reg = <0x0e>;
+
+        clocks = <&tc358768_refclk>;
+        clock-names = "refclk";
+
+        /* GPIO line is inverted before going to the bridge */
+        reset-gpios = <&pcf_display_board 0 1 /* GPIO_ACTIVE_LOW */>;
+
+        vddc-supply = <&v1_2d>;
+        vddmipi-supply = <&v1_2d>;
+        vddio-supply = <&v3_3d>;
+
+        dsi_bridge_ports: ports {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          port@0 {
+            reg = <0>;
+            rgb_in: endpoint {
+              remote-endpoint = <&dpi_out>;
+              data-lines = <24>;
+            };
+          };
+
+          port@1 {
+            reg = <1>;
+            dsi_out: endpoint {
+              remote-endpoint = <&lcd_in>;
+            };
+          };
+        };
+      };
+    };
+