| Message ID | 20190506120458.25842-1-manivannan.sadhasivam@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/2] arm64: dts: rockchip: Enable SPI0 and SPI4 on Rock960 | expand |
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. Heiko > + status = "okay"; > +}; > + > +&spi4 { > + /* On High speed expansion */ > + label = "HS-SPI1"; > + status = "okay"; > +}; > + > &usbdrd_dwc3_0 { > dr_mode = "otg"; > }; >
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"; > > }; > > > > > >
Am Dienstag, 7. Mai 2019, 13:33:39 CEST schrieb Manivannan Sadhasivam: > 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! please do :-) ... dt-bindings are supposed to be verifyable at some point, so we shouldn't add undocumented properties. Heiko > > Thanks, > Mani > > > > > Heiko > > > > > + status = "okay"; > > > +}; > > > + > > > +&spi4 { > > > + /* On High speed expansion */ > > > + label = "HS-SPI1"; > > > + status = "okay"; > > > +}; > > > + > > > &usbdrd_dwc3_0 { > > > dr_mode = "otg"; > > > }; > > > > > > > > > > > >
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"; + status = "okay"; +}; + +&spi4 { + /* On High speed expansion */ + label = "HS-SPI1"; + status = "okay"; +}; + &usbdrd_dwc3_0 { dr_mode = "otg"; };
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(+)