| Message ID | 20180706035521.13736-2-guodong.xu@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 06-07-18, 11:55, Guodong Xu wrote: > From: Li Yu <liyu65@hisilicon.com> > > Add optional property hisilicon,dma-min-chan for k3dma. > > Signed-off-by: Li Yu <liyu65@hisilicon.com> > Signed-off-by: Guodong Xu <guodong.xu@linaro.org> > --- > Documentation/devicetree/bindings/dma/k3dma.txt | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt > index 4945aeac4dc4..f34202a80f3c 100644 > --- a/Documentation/devicetree/bindings/dma/k3dma.txt > +++ b/Documentation/devicetree/bindings/dma/k3dma.txt > @@ -12,6 +12,11 @@ Required properties: > have specific request line > - clocks: clock required > > +Optional properties: > +- hisilicon,dma-min-chan: the minimum DMA channel number which is usable > + Default value is 0, but in some platform it is > + configured 1, like in hi3660 platform > + > Example: > > Controller: > @@ -21,6 +26,7 @@ Controller: > #dma-cells = <1>; > dma-channels = <16>; > dma-requests = <27>; > + hisilicon,dma-min-chan = <1>; Am still expecting this to be a mask
On Mon, Jul 09, 2018 at 04:04:38PM +0530, Vinod wrote: > On 06-07-18, 11:55, Guodong Xu wrote: > > From: Li Yu <liyu65@hisilicon.com> > > > > Add optional property hisilicon,dma-min-chan for k3dma. > > > > Signed-off-by: Li Yu <liyu65@hisilicon.com> > > Signed-off-by: Guodong Xu <guodong.xu@linaro.org> > > --- > > Documentation/devicetree/bindings/dma/k3dma.txt | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt > > index 4945aeac4dc4..f34202a80f3c 100644 > > --- a/Documentation/devicetree/bindings/dma/k3dma.txt > > +++ b/Documentation/devicetree/bindings/dma/k3dma.txt > > @@ -12,6 +12,11 @@ Required properties: > > have specific request line > > - clocks: clock required > > > > +Optional properties: > > +- hisilicon,dma-min-chan: the minimum DMA channel number which is usable > > + Default value is 0, but in some platform it is > > + configured 1, like in hi3660 platform > > + > > Example: > > > > Controller: > > @@ -21,6 +26,7 @@ Controller: > > #dma-cells = <1>; > > dma-channels = <16>; > > dma-requests = <27>; > > + hisilicon,dma-min-chan = <1>; > > Am still expecting this to be a mask If so calling it 'min' doesn't make sense. And a mask should have 'mask' in the name. Rob
diff --git a/Documentation/devicetree/bindings/dma/k3dma.txt b/Documentation/devicetree/bindings/dma/k3dma.txt index 4945aeac4dc4..f34202a80f3c 100644 --- a/Documentation/devicetree/bindings/dma/k3dma.txt +++ b/Documentation/devicetree/bindings/dma/k3dma.txt @@ -12,6 +12,11 @@ Required properties: have specific request line - clocks: clock required +Optional properties: +- hisilicon,dma-min-chan: the minimum DMA channel number which is usable + Default value is 0, but in some platform it is + configured 1, like in hi3660 platform + Example: Controller: @@ -21,6 +26,7 @@ Controller: #dma-cells = <1>; dma-channels = <16>; dma-requests = <27>; + hisilicon,dma-min-chan = <1>; interrupts = <0 12 4>; clocks = <&pclk>; };