forked from ~ljy/RK356X_SDK_RELEASE

hc
2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e
kernel/Documentation/devicetree/bindings/media/i2c/tvp5150.txt
....@@ -5,38 +5,150 @@
55 with discrete syncs or 8-bit ITU-R BT.656 with embedded syncs output formats.
66
77 Required Properties:
8
-- compatible: value must be "ti,tvp5150"
9
-- reg: I2C slave address
8
+====================
9
+- compatible: Value must be "ti,tvp5150".
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+- reg: I2C slave address.
1011
1112 Optional Properties:
12
-- pdn-gpios: phandle for the GPIO connected to the PDN pin, if any.
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-- reset-gpios: phandle for the GPIO connected to the RESETB pin, if any.
13
+====================
14
+- pdn-gpios: Phandle for the GPIO connected to the PDN pin, if any.
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+- reset-gpios: Phandle for the GPIO connected to the RESETB pin, if any.
1416
15
-The device node must contain one 'port' child node for its digital output
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-video port, in accordance with the video interface bindings defined in
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-Documentation/devicetree/bindings/media/video-interfaces.txt.
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+The device node must contain one 'port' child node per device physical input
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+and output port, in accordance with the video interface bindings defined in
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+Documentation/devicetree/bindings/media/video-interfaces.txt. The port nodes
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+are numbered as follows
1821
19
-Required Endpoint Properties for parallel synchronization:
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+ Name Type Port
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+ --------------------------------------
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+ AIP1A sink 0
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+ AIP1B sink 1
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+ Y-OUT src 2
2027
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-- hsync-active: active state of the HSYNC signal. Must be <1> (HIGH).
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-- vsync-active: active state of the VSYNC signal. Must be <1> (HIGH).
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-- field-even-active: field signal level during the even field data
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- transmission. Must be <0>.
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+The device node must contain at least one sink port and the src port. Each input
29
+port must be linked to an endpoint defined in [1]. The port/connector layout is
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+as follows
2531
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-If none of hsync-active, vsync-active and field-even-active is specified,
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-the endpoint is assumed to use embedded BT.656 synchronization.
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+tvp-5150 port@0 (AIP1A)
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+ endpoint@0 -----------> Comp0-Con port
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+ endpoint@1 ------+----> Svideo-Con port
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+tvp-5150 port@1 (AIP1B) |
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+ endpoint@1 ------+
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+ endpoint@0 -----------> Comp1-Con port
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+tvp-5150 port@2
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+ endpoint (video bitstream output at YOUT[0-7] parallel bus)
2840
29
-Example:
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+Required Endpoint Properties for parallel synchronization on output port:
42
+=========================================================================
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+
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+- hsync-active: Active state of the HSYNC signal. Must be <1> (HIGH).
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+- vsync-active: Active state of the VSYNC signal. Must be <1> (HIGH).
46
+- field-even-active: Field signal level during the even field data
47
+ transmission. Must be <0>.
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+
49
+Note: Do not specify any of these properties if you want to use the embedded
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+ BT.656 synchronization.
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+
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+Optional Connector Properties:
53
+==============================
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+
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+- sdtv-standards: Set the possible signals to which the hardware tries to lock
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+ instead of using the autodetection mechnism. Please look at
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+ [1] for more information.
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+
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+[1] Documentation/devicetree/bindings/display/connector/analog-tv-connector.yaml.
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+
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+Example - three input sources:
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+#include <dt-bindings/display/sdtv-standards.h>
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+
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+comp_connector_0 {
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+ compatible = "composite-video-connector";
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+ label = "Composite0";
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+ sdtv-standards = <SDTV_STD_PAL_M>; /* limit to pal-m signals */
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+
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+ port {
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+ composite0_to_tvp5150: endpoint {
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+ remote-endpoint = <&tvp5150_to_composite0>;
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+ };
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+ };
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+};
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+
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+comp_connector_1 {
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+ compatible = "composite-video-connector";
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+ label = "Composite1";
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+ sdtv-standards = <SDTV_STD_NTSC_M>; /* limit to ntsc-m signals */
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+
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+ port {
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+ composite1_to_tvp5150: endpoint {
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+ remote-endpoint = <&tvp5150_to_composite1>;
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+ };
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+ };
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+};
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+
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+svideo_connector {
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+ compatible = "svideo-connector";
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+ label = "S-Video";
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+
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+ port {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ svideo_luma_to_tvp5150: endpoint@0 {
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+ reg = <0>;
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+ remote-endpoint = <&tvp5150_to_svideo_luma>;
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+ };
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+
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+ svideo_chroma_to_tvp5150: endpoint@1 {
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+ reg = <1>;
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+ remote-endpoint = <&tvp5150_to_svideo_chroma>;
104
+ };
105
+ };
106
+};
30107
31108 &i2c2 {
32
- ...
33109 tvp5150@5c {
34110 compatible = "ti,tvp5150";
35111 reg = <0x5c>;
36112 pdn-gpios = <&gpio4 30 GPIO_ACTIVE_LOW>;
37113 reset-gpios = <&gpio6 7 GPIO_ACTIVE_LOW>;
114
+ #address-cells = <1>;
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+ #size-cells = <0>;
38116
39
- port {
117
+ port@0 {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ reg = <0>;
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+
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+ tvp5150_to_composite0: endpoint@0 {
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+ reg = <0>;
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+ remote-endpoint = <&composite0_to_tvp5150>;
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+ };
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+
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+ tvp5150_to_svideo_luma: endpoint@1 {
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+ reg = <1>;
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+ remote-endpoint = <&svideo_luma_to_tvp5150>;
130
+ };
131
+ };
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+
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+ port@1 {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ reg = <1>;
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+
138
+ tvp5150_to_composite1: endpoint@0 {
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+ reg = <0>;
140
+ remote-endpoint = <&composite1_to_tvp5150>;
141
+ };
142
+
143
+ tvp5150_to_svideo_chroma: endpoint@1 {
144
+ reg = <1>;
145
+ remote-endpoint = <&svideo_chroma_to_tvp5150>;
146
+ };
147
+ };
148
+
149
+ port@2 {
150
+ reg = <2>;
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+
40152 tvp5150_1: endpoint {
41153 remote-endpoint = <&ccdc_ep>;
42154 };