On Mon, Oct 7, 2019 at 4:27 PM Maxime Ripard <mripard@xxxxxxxxxx> wrote:
>
> On Sat, Oct 05, 2019 at 07:49:12PM +0530, Jagan Teki wrote:
> > Add MIPI DSI pipeline for Allwinner A64.
> >
> > - dsi node, with A64 compatible since it doesn't support
> > DSI_SCLK gating unlike A33
> > - dphy node, with A64 compatible with A33 fallback since
> > DPHY on A64 and A33 is similar
> > - finally, attach the dsi_in to tcon0 for complete MIPI DSI
> >
> > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> > Tested-by: Merlijn Wajer <merlijn@xxxxxxxxxx>
> > ---
> > arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 38 +++++++++++++++++++
> > 1 file changed, 38 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > index 69128a6dfc46..ad4170b8aee0 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > @@ -382,6 +382,12 @@
> > #address-cells = <1>;
> > #size-cells = <0>;
> > reg = <1>;
> > +
> > + tcon0_out_dsi: endpoint@1 {
> > + reg = <1>;
> > + remote-endpoint = <&dsi_in_tcon0>;
> > + allwinner,tcon-channel = <1>;
> > + };
> > };
> > };
> > };
> > @@ -1003,6 +1009,38 @@
> > status = "disabled";
> > };
> >
> > + dsi: dsi@1ca0000 {
> > + compatible = "allwinner,sun50i-a64-mipi-dsi";
> > + reg = <0x01ca0000 0x1000>;
> > + interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
> > + clocks = <&ccu CLK_BUS_MIPI_DSI>;
> > + clock-names = "bus";
>
> This won't validate with the bindings you have either here, since it
> still expects bus and mod.
>
> I guess in that cas, we can just drop clock-names, which will require
> a bit of work on the driver side as well.
Okay.
mod clock is not required for a64, ie reason we have has_mod_clk quirk
patch. Adjust the clock-names: on dt-bindings would make sense here,
what do you think?
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