Re: [PATCH 1/2] arm64: dts: rockchip: Enable SPI0 and SPI4 on Rock960

Manivannan Sadhasivam
2019-05-07T11:33:59Z

Hi Heiko,

On Tue, May 07, 2019 at 01:17:10PM +0200, Heiko Stuebner wrote:
> Am Montag, 6. Mai 2019, 14:04:57 CEST schrieb Manivannan Sadhasivam:
> > Enable SPI0 and SPI4 exposed on the Low and High speed expansion
> > connectors of Rock960.
> >
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> > arch/arm64/boot/dts/rockchip/rk3399-rock960.dts | 12 ++++++++++++
> > 1 file changed, 12 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dts
> > index 12285c51cceb..7498344d4a73 100644
> > --- a/arch/arm64/boot/dts/rockchip/rk3399-rock960.dts
> > +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock960.dts
> > @@ -114,6 +114,18 @@
> > };
> > };
> >
> > +&spi0 {
> > + /* On Low speed expansion */
> > + label = "LS-SPI0";
>
> where does the label property come from and what does it do?
> It's not part of the rockchip-spi / general-spi binding.
>

It is not part of the binding but I thought it will provide the users
the information of the SPI bus as per the specification when they
look into devicetree.

If it doesn't makes sense, I can remove that!

Thanks,
Mani

>
> Heiko
>
> > + status = "okay";
> > +};
> > +
> > +&spi4 {
> > + /* On High speed expansion */
> > + label = "HS-SPI1";
> > + status = "okay";
> > +};
> > +
> > &usbdrd_dwc3_0 {
> > dr_mode = "otg";
> > };