Commit 5769b45a authored by Adam Ford's avatar Adam Ford Committed by Neil Armstrong
Browse files

dt-bindings: bridge: samsung-dsim: Make some flags optional 



In the event a device is connected to the samsung-dsim
controller that doesn't support the burst-clock, the
driver is able to get the requested pixel clock from the
attached device or bridge.  In these instances, the
samsung,burst-clock-frequency isn't needed, so remove
it from the required list.

The pll-clock frequency can be set by the device tree entry
for samsung,pll-clock-frequency, but in some cases, the
pll-clock may have the same clock rate as sclk_mipi clock.
If they are equal, this flag is not needed since the driver
will use the sclk_mipi rate as a fallback.

Signed-off-by: default avatarAdam Ford <aford173@gmail.com>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Reviewed-by: default avatarFabio Estevam <festevam@gmail.com>
Reviewed-by: default avatarJagan Teki <jagan@amarulasolutions.com>
Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230528132727.3933-1-aford173@gmail.com
parent 67d0109f

Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml

+5 −4
Original line number Diff line number Diff line
@@ -70,7 +70,9 @@ properties: 
  samsung,burst-clock-frequency:

    $ref: /schemas/types.yaml#/definitions/uint32

    description:

      DSIM high speed burst mode frequency.

      DSIM high speed burst mode frequency.  If absent,

      the pixel clock from the attached device or bridge

      will be used instead.



  samsung,esc-clock-frequency:

    $ref: /schemas/types.yaml#/definitions/uint32
@@ -80,7 +82,8 @@ properties: 
  samsung,pll-clock-frequency:

    $ref: /schemas/types.yaml#/definitions/uint32

    description:

      DSIM oscillator clock frequency.

      DSIM oscillator clock frequency. If absent, the clock frequency

      of sclk_mipi will be used instead.



  phys:

    maxItems: 1
@@ -134,9 +137,7 @@ required: 
  - compatible

  - interrupts

  - reg

  - samsung,burst-clock-frequency

  - samsung,esc-clock-frequency

  - samsung,pll-clock-frequency



allOf:

  - $ref: ../dsi-controller.yaml#