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boundary="===============4406484730232625230==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============4406484730232625230== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="qmuvblcb44ik4jdi" Content-Disposition: inline --qmuvblcb44ik4jdi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Oct 16, 2019 at 02:19:44PM +0530, Jagan Teki wrote: > On Wed, Oct 16, 2019 at 1:33 PM Maxime Ripard wrote: > > > > On Mon, Oct 14, 2019 at 05:37:50PM +0530, Jagan Teki wrote: > > > On Mon, Oct 7, 2019 at 4:27 PM Maxime Ripard 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 > > > > > Tested-by: Merlijn Wajer > > > > > --- > > > > > 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 = ; > > > > > + 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? > > > > I'm confused, what are you suggesting? > > Sorry for the confusion. > > The mod clock is not required for A64 and we have a patch for handling > mod clock using has_mod_clk quirk(on the series), indeed the mod clock > is available in A31 and not needed for A64. So, to satisfy this > requirement the clock-names on dt-bindings can update to make mod > clock-name is optional and bus clock is required. No, the bus clock name is not needed if there's only one clock. > I'm not exactly sure, this is correct but trying to understand if it > is possible or not? something like > > clocks: > minItems: 1 > maxItems: 2 > items: > - description: Bus Clock > - description: Module Clock That's correct. > clock-names: > minItems: 1 > maxItems: 2 > items: > - const: bus > - const: mod Here, just keep the current clock-names definition, and make it required only for SoCs that are not the A64 Maxime --qmuvblcb44ik4jdi Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXag52QAKCRDj7w1vZxhR xb61APwI3pT187DnoWidQOdHcwSDhwtfnY5i43XaAc7tdaAkdQEAp+g/w4/dneO3 Vt2IfHqycYDGHUPJU8g6q4R6umrzPA0= =ObSz -----END PGP SIGNATURE----- --qmuvblcb44ik4jdi-- --===============4406484730232625230== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============4406484730232625230==--