Message ID | 1513935689-35415-1-git-send-email-yong.deng@magewell.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Fri, 22 Dec 2017 10:00:08 +0000 Priit Laes <plaes@plaes.org> wrote: > On Fri, Dec 22, 2017 at 05:41:29PM +0800, Yong Deng wrote: > > Add binding documentation for Allwinner V3s CSI. > > > > Signed-off-by: Yong Deng <yong.deng@magewell.com> > > --- > > .../devicetree/bindings/media/sun6i-csi.txt | 51 ++++++++++++++++++++++ > > 1 file changed, 51 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/media/sun6i-csi.txt > > > > diff --git a/Documentation/devicetree/bindings/media/sun6i-csi.txt b/Documentation/devicetree/bindings/media/sun6i-csi.txt > > new file mode 100644 > > index 0000000..b5bfe3f > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/media/sun6i-csi.txt > > @@ -0,0 +1,51 @@ > > +Allwinner V3s Camera Sensor Interface > > +------------------------------ > > Not sure whether syntax for these files is proper reStructuredText/Markdown, > but the underline-ish style expects the title and underline having same length. OK. > > > + > > +Required properties: > > + - compatible: value must be "allwinner,sun8i-v3s-csi" > > + - reg: base address and size of the memory-mapped region. > > + - interrupts: interrupt associated to this IP > > + - clocks: phandles to the clocks feeding the CSI > > + * bus: the CSI interface clock > > + * mod: the CSI module clock > > + * ram: the CSI DRAM clock > > + - clock-names: the clock names mentioned above > > + - resets: phandles to the reset line driving the CSI > > + > > +- ports: A ports node with endpoint definitions as defined in > > + Documentation/devicetree/bindings/media/video-interfaces.txt. > > + Currently, the driver only support the parallel interface. So, a single port > ^^ supports > > + node with one endpoint and parallel bus is supported. > > + > > +Example: > > + > > + csi1: csi@1cb4000 { > > + compatible = "allwinner,sun8i-v3s-csi"; > > + reg = <0x01cb4000 0x1000>; > > + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&ccu CLK_BUS_CSI>, > > + <&ccu CLK_CSI1_SCLK>, > > + <&ccu CLK_DRAM_CSI>; > > + clock-names = "bus", "mod", "ram"; > > + resets = <&ccu RST_BUS_CSI>; > > + > > + port { > > + #address-cells = <1>; > > + #size-cells = <0>; > > + > > + /* Parallel bus endpoint */ > > + csi1_ep: endpoint { > > + remote-endpoint = <&adv7611_ep>; > > + bus-width = <16>; > > + data-shift = <0>; > > + > > + /* If hsync-active/vsync-active are missing, > > + embedded BT.656 sync is used */ > > + hsync-active = <0>; /* Active low */ > > + vsync-active = <0>; /* Active low */ > > + data-active = <1>; /* Active high */ > > + pclk-sample = <1>; /* Rising */ > > + }; > > + }; > > + }; > > + > > -- > > 1.8.3.1 > > > > -- > > You received this message because you are subscribed to the Google Groups "linux-sunxi" group. > > To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe@googlegroups.com. > > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. Thanks, Yong
On Fri, Dec 22, 2017 at 10:00:08AM +0000, Priit Laes wrote: > On Fri, Dec 22, 2017 at 05:41:29PM +0800, Yong Deng wrote: > > Add binding documentation for Allwinner V3s CSI. > > > > Signed-off-by: Yong Deng <yong.deng@magewell.com> > > --- > > .../devicetree/bindings/media/sun6i-csi.txt | 51 ++++++++++++++++++++++ > > 1 file changed, 51 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/media/sun6i-csi.txt > > > > diff --git a/Documentation/devicetree/bindings/media/sun6i-csi.txt b/Documentation/devicetree/bindings/media/sun6i-csi.txt > > new file mode 100644 > > index 0000000..b5bfe3f > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/media/sun6i-csi.txt > > @@ -0,0 +1,51 @@ > > +Allwinner V3s Camera Sensor Interface > > +------------------------------ > > Not sure whether syntax for these files is proper reStructuredText/Markdown, > but the underline-ish style expects the title and underline having same length. The binding files are not rst/md format, but still the comment is just good style. Rob
On Fri, Dec 22, 2017 at 05:41:29PM +0800, Yong Deng wrote: > Add binding documentation for Allwinner V3s CSI. > > Signed-off-by: Yong Deng <yong.deng@magewell.com> > --- > .../devicetree/bindings/media/sun6i-csi.txt | 51 ++++++++++++++++++++++ > 1 file changed, 51 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/sun6i-csi.txt > > diff --git a/Documentation/devicetree/bindings/media/sun6i-csi.txt b/Documentation/devicetree/bindings/media/sun6i-csi.txt > new file mode 100644 > index 0000000..b5bfe3f > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/sun6i-csi.txt > @@ -0,0 +1,51 @@ > +Allwinner V3s Camera Sensor Interface > +------------------------------ > + > +Required properties: > + - compatible: value must be "allwinner,sun8i-v3s-csi" > + - reg: base address and size of the memory-mapped region. > + - interrupts: interrupt associated to this IP > + - clocks: phandles to the clocks feeding the CSI > + * bus: the CSI interface clock > + * mod: the CSI module clock > + * ram: the CSI DRAM clock > + - clock-names: the clock names mentioned above > + - resets: phandles to the reset line driving the CSI > + > +- ports: A ports node with endpoint definitions as defined in > + Documentation/devicetree/bindings/media/video-interfaces.txt. > + Currently, the driver only support the parallel interface. So, a single port > + node with one endpoint and parallel bus is supported. What the driver supports is not relevant. Please document what the h/w has. > + > +Example: > + > + csi1: csi@1cb4000 { > + compatible = "allwinner,sun8i-v3s-csi"; > + reg = <0x01cb4000 0x1000>; > + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&ccu CLK_BUS_CSI>, > + <&ccu CLK_CSI1_SCLK>, > + <&ccu CLK_DRAM_CSI>; > + clock-names = "bus", "mod", "ram"; > + resets = <&ccu RST_BUS_CSI>; > + > + port { > + #address-cells = <1>; > + #size-cells = <0>; These are not needed with a single endpoint. > + > + /* Parallel bus endpoint */ > + csi1_ep: endpoint { > + remote-endpoint = <&adv7611_ep>; > + bus-width = <16>; > + data-shift = <0>; > + > + /* If hsync-active/vsync-active are missing, > + embedded BT.656 sync is used */ > + hsync-active = <0>; /* Active low */ > + vsync-active = <0>; /* Active low */ > + data-active = <1>; /* Active high */ > + pclk-sample = <1>; /* Rising */ > + }; > + }; > + }; > + > -- > 1.8.3.1 >
Hi, On Tue, 26 Dec 2017 15:55:37 -0600 Rob Herring <robh@kernel.org> wrote: > On Fri, Dec 22, 2017 at 05:41:29PM +0800, Yong Deng wrote: > > Add binding documentation for Allwinner V3s CSI. > > > > Signed-off-by: Yong Deng <yong.deng@magewell.com> > > --- > > .../devicetree/bindings/media/sun6i-csi.txt | 51 ++++++++++++++++++++++ > > 1 file changed, 51 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/media/sun6i-csi.txt > > > > diff --git a/Documentation/devicetree/bindings/media/sun6i-csi.txt b/Documentation/devicetree/bindings/media/sun6i-csi.txt > > new file mode 100644 > > index 0000000..b5bfe3f > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/media/sun6i-csi.txt > > @@ -0,0 +1,51 @@ > > +Allwinner V3s Camera Sensor Interface > > +------------------------------ > > + > > +Required properties: > > + - compatible: value must be "allwinner,sun8i-v3s-csi" > > + - reg: base address and size of the memory-mapped region. > > + - interrupts: interrupt associated to this IP > > + - clocks: phandles to the clocks feeding the CSI > > + * bus: the CSI interface clock > > + * mod: the CSI module clock > > + * ram: the CSI DRAM clock > > + - clock-names: the clock names mentioned above > > + - resets: phandles to the reset line driving the CSI > > + > > +- ports: A ports node with endpoint definitions as defined in > > + Documentation/devicetree/bindings/media/video-interfaces.txt. > > + Currently, the driver only support the parallel interface. So, a single port > > + node with one endpoint and parallel bus is supported. > > What the driver supports is not relevant. Please document what the h/w > has. OK. > > > + > > +Example: > > + > > + csi1: csi@1cb4000 { > > + compatible = "allwinner,sun8i-v3s-csi"; > > + reg = <0x01cb4000 0x1000>; > > + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&ccu CLK_BUS_CSI>, > > + <&ccu CLK_CSI1_SCLK>, > > + <&ccu CLK_DRAM_CSI>; > > + clock-names = "bus", "mod", "ram"; > > + resets = <&ccu RST_BUS_CSI>; > > + > > + port { > > > + #address-cells = <1>; > > + #size-cells = <0>; > > These are not needed with a single endpoint. OK. > > > + > > + /* Parallel bus endpoint */ > > + csi1_ep: endpoint { > > + remote-endpoint = <&adv7611_ep>; > > + bus-width = <16>; > > + data-shift = <0>; > > + > > + /* If hsync-active/vsync-active are missing, > > + embedded BT.656 sync is used */ > > + hsync-active = <0>; /* Active low */ > > + vsync-active = <0>; /* Active low */ > > + data-active = <1>; /* Active high */ > > + pclk-sample = <1>; /* Rising */ > > + }; > > + }; > > + }; > > + > > -- > > 1.8.3.1 > > Thanks, Yong
diff --git a/Documentation/devicetree/bindings/media/sun6i-csi.txt b/Documentation/devicetree/bindings/media/sun6i-csi.txt new file mode 100644 index 0000000..b5bfe3f --- /dev/null +++ b/Documentation/devicetree/bindings/media/sun6i-csi.txt @@ -0,0 +1,51 @@ +Allwinner V3s Camera Sensor Interface +------------------------------ + +Required properties: + - compatible: value must be "allwinner,sun8i-v3s-csi" + - reg: base address and size of the memory-mapped region. + - interrupts: interrupt associated to this IP + - clocks: phandles to the clocks feeding the CSI + * bus: the CSI interface clock + * mod: the CSI module clock + * ram: the CSI DRAM clock + - clock-names: the clock names mentioned above + - resets: phandles to the reset line driving the CSI + +- ports: A ports node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + Currently, the driver only support the parallel interface. So, a single port + node with one endpoint and parallel bus is supported. + +Example: + + csi1: csi@1cb4000 { + compatible = "allwinner,sun8i-v3s-csi"; + reg = <0x01cb4000 0x1000>; + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_BUS_CSI>, + <&ccu CLK_CSI1_SCLK>, + <&ccu CLK_DRAM_CSI>; + clock-names = "bus", "mod", "ram"; + resets = <&ccu RST_BUS_CSI>; + + port { + #address-cells = <1>; + #size-cells = <0>; + + /* Parallel bus endpoint */ + csi1_ep: endpoint { + remote-endpoint = <&adv7611_ep>; + bus-width = <16>; + data-shift = <0>; + + /* If hsync-active/vsync-active are missing, + embedded BT.656 sync is used */ + hsync-active = <0>; /* Active low */ + vsync-active = <0>; /* Active low */ + data-active = <1>; /* Active high */ + pclk-sample = <1>; /* Rising */ + }; + }; + }; +
Add binding documentation for Allwinner V3s CSI. Signed-off-by: Yong Deng <yong.deng@magewell.com> --- .../devicetree/bindings/media/sun6i-csi.txt | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/sun6i-csi.txt