diff options
Diffstat (limited to 'dts/Bindings/display/panel/panel-timing.yaml')
| -rw-r--r-- | dts/Bindings/display/panel/panel-timing.yaml | 187 |
1 files changed, 87 insertions, 100 deletions
diff --git a/dts/Bindings/display/panel/panel-timing.yaml b/dts/Bindings/display/panel/panel-timing.yaml index bd558ad789..aea69b84ca 100644 --- a/dts/Bindings/display/panel/panel-timing.yaml +++ b/dts/Bindings/display/panel/panel-timing.yaml @@ -4,7 +4,7 @@ $id: http://devicetree.org/schemas/display/panel/panel-timing.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: panel timing bindings +title: panel timing maintainers: - Thierry Reding <thierry.reding@gmail.com> @@ -17,29 +17,29 @@ description: | The parameters are defined as seen in the following illustration. - +----------+-------------------------------------+----------+-------+ - | | ^ | | | - | | |vback_porch | | | - | | v | | | - +----------#######################################----------+-------+ - | # ^ # | | - | # | # | | - | hback # | # hfront | hsync | - | porch # | hactive # porch | len | - |<-------->#<-------+--------------------------->#<-------->|<----->| - | # | # | | - | # |vactive # | | - | # | # | | - | # v # | | - +----------#######################################----------+-------+ - | | ^ | | | - | | |vfront_porch | | | - | | v | | | - +----------+-------------------------------------+----------+-------+ - | | ^ | | | - | | |vsync_len | | | - | | v | | | - +----------+-------------------------------------+----------+-------+ + +-------+----------+-------------------------------------+----------+ + | | | ^ | | + | | | |vsync_len | | + | | | v | | + +-------+----------+-------------------------------------+----------+ + | | | ^ | | + | | | |vback_porch | | + | | | v | | + +-------+----------#######################################----------+ + | | # ^ # | + | | # | # | + | hsync | hback # | # hfront | + | len | porch # | hactive # porch | + |<----->|<-------->#<-------+--------------------------->#<-------->| + | | # | # | + | | # |vactive # | + | | # | # | + | | # v # | + +-------+----------#######################################----------+ + | | | ^ | | + | | | |vfront_porch | | + | | | v | | + +-------+----------+-------------------------------------+----------+ The following is the panel timings shown with time on the x-axis. @@ -59,7 +59,7 @@ description: | properties: clock-frequency: - description: Panel clock in Hz + description: Panel clock in Hz hactive: $ref: /schemas/types.yaml#/definitions/uint32 @@ -71,99 +71,82 @@ properties: hfront-porch: description: Horizontal front porch panel timing + $ref: /schemas/types.yaml#/definitions/uint32-array oneOf: - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - maxItems: 1 - items: - description: typical number of pixels - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32-array - - minItems: 3 - maxItems: 3 - items: - description: min, typ, max number of pixels + - maxItems: 1 + items: + description: typical number of pixels + - minItems: 3 + maxItems: 3 + items: + description: min, typ, max number of pixels hback-porch: description: Horizontal back porch timing + $ref: /schemas/types.yaml#/definitions/uint32-array oneOf: - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - maxItems: 1 - items: - description: typical number of pixels - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32-array - - minItems: 3 - maxItems: 3 - items: - description: min, typ, max number of pixels + - maxItems: 1 + items: + description: typical number of pixels + - minItems: 3 + maxItems: 3 + items: + description: min, typ, max number of pixels hsync-len: description: Horizontal sync length panel timing + $ref: /schemas/types.yaml#/definitions/uint32-array oneOf: - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - maxItems: 1 - items: - description: typical number of pixels - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32-array - - minItems: 3 - maxItems: 3 - items: - description: min, typ, max number of pixels + - maxItems: 1 + items: + description: typical number of pixels + - minItems: 3 + maxItems: 3 + items: + description: min, typ, max number of pixels vfront-porch: description: Vertical front porch panel timing + $ref: /schemas/types.yaml#/definitions/uint32-array oneOf: - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - maxItems: 1 - items: - description: typical number of lines - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32-array - - minItems: 3 - maxItems: 3 - items: - description: min, typ, max number of lines + - maxItems: 1 + items: + description: typical number of lines + - minItems: 3 + maxItems: 3 + items: + description: min, typ, max number of lines vback-porch: description: Vertical back porch panel timing + $ref: /schemas/types.yaml#/definitions/uint32-array oneOf: - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - maxItems: 1 - items: - description: typical number of lines - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32-array - - minItems: 3 - maxItems: 3 - items: - description: min, typ, max number of lines + - maxItems: 1 + items: + description: typical number of lines + - minItems: 3 + maxItems: 3 + items: + description: min, typ, max number of lines vsync-len: description: Vertical sync length panel timing + $ref: /schemas/types.yaml#/definitions/uint32-array oneOf: - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32 - - maxItems: 1 - items: - description: typical number of lines - - allOf: - - $ref: /schemas/types.yaml#/definitions/uint32-array - - minItems: 3 - maxItems: 3 - items: - description: min, typ, max number of lines + - maxItems: 1 + items: + description: typical number of lines + - minItems: 3 + maxItems: 3 + items: + description: min, typ, max number of lines hsync-active: description: | Horizontal sync pulse. 0 selects active low, 1 selects active high. If omitted then it is not used by the hardware + $ref: /schemas/types.yaml#/definitions/uint32 enum: [0, 1] vsync-active: @@ -171,6 +154,7 @@ properties: Vertical sync pulse. 0 selects active low, 1 selects active high. If omitted then it is not used by the hardware + $ref: /schemas/types.yaml#/definitions/uint32 enum: [0, 1] de-active: @@ -178,6 +162,7 @@ properties: Data enable. 0 selects active low, 1 selects active high. If omitted then it is not used by the hardware + $ref: /schemas/types.yaml#/definitions/uint32 enum: [0, 1] pixelclk-active: @@ -187,6 +172,7 @@ properties: sample data on rising edge. Use 1 to drive pixel data on rising edge and sample data on falling edge + $ref: /schemas/types.yaml#/definitions/uint32 enum: [0, 1] syncclk-active: @@ -197,6 +183,7 @@ properties: sample sync on rising edge of pixel clock. Use 1 to drive sync on rising edge and sample sync on falling edge of pixel clock + $ref: /schemas/types.yaml#/definitions/uint32 enum: [0, 1] interlaced: @@ -212,15 +199,15 @@ properties: description: Enable double clock mode required: - - clock-frequency - - hactive - - vactive - - hfront-porch - - hback-porch - - hsync-len - - vfront-porch - - vback-porch - - vsync-len + - clock-frequency + - hactive + - vactive + - hfront-porch + - hback-porch + - hsync-len + - vfront-porch + - vback-porch + - vsync-len additionalProperties: false |