On Tue, Dec 03, 2019 at 07:18:10PM +0530, Jagan Teki wrote: > The MIPI DSI controller in Allwinner A64 is similar to A33. > > But unlike A33, A64 doesn't have DSI_SCLK gating so it is valid > to have separate compatible for A64 on the same driver. > > DSI_SCLK uses mod clock-names on dt-bindings, so the same > is not required for A64. > > On that note > - A64 require minimum of 1 clock like the bus clock > - A33 require minimum of 2 clocks like both bus, mod clocks > > So, update dt-bindings so-that it can document both A33, > A64 bindings requirements. > > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > --- > Changes for v12: > - Use 'enum' instead of oneOf+const > > .../display/allwinner,sun6i-a31-mipi-dsi.yaml | 20 +++++++++++++++++-- > 1 file changed, 18 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml > index dafc0980c4fa..b91446475f35 100644 > --- a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml > +++ b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml > @@ -15,7 +15,9 @@ properties: > "#size-cells": true > > compatible: > - const: allwinner,sun6i-a31-mipi-dsi > + enum: > + - allwinner,sun6i-a31-mipi-dsi > + - allwinner,sun50i-a64-mipi-dsi > > reg: > maxItems: 1 > @@ -24,6 +26,8 @@ properties: > maxItems: 1 > > clocks: > + minItems: 1 > + maxItems: 2 > items: > - description: Bus Clock > - description: Module Clock > @@ -63,13 +67,25 @@ required: > - reg > - interrupts > - clocks > - - clock-names > - phys > - phy-names > - resets > - vcc-dsi-supply > - port > > +allOf: > + - if: > + properties: > + compatible: > + contains: > + const: allwinner,sun6i-a31-mipi-dsi > + then: > + properties: > + clocks: > + minItems: 2 > + required: > + - clock-names > + Your else condition should check that the number of clocks items is 1 on the A64 Maxime
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