| Message ID | 1465810789-22303-4-git-send-email-zyw@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Jun 13, 2016 at 05:39:48PM +0800, Chris Zhong wrote: > This patch adds a binding that describes the cdn DP controller for > rk3399. > > Signed-off-by: Chris Zhong <zyw@rock-chips.com> > > --- > > Changes in v2: None > Changes in v1: > - add extcon node description > - add #sound-dai-cells description > > .../bindings/display/rockchip/cdn-dp-rockchip.txt | 62 ++++++++++++++++++++++ > 1 file changed, 62 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt > > diff --git a/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt > new file mode 100644 > index 0000000..4a66fc3 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt > @@ -0,0 +1,62 @@ > +Rockchip RK3399 specific extensions to the cdn Display Port > +================================ > + > +Required properties: > +- compatible: must be "rockchip,cdn-dp" SoC specific compatible string please. > + > +- reg: physical base address of the controller and length > + > +- clocks: from common clock binding: handle to dp clock. > + > +- clock-names: from common clock binding: > + Required elements: "core_clk" "pclk" "spdif" > + > +- rockchip,grf: this soc should set GRF regs, so need get grf here. > + > +- ports: contain a port nodes with endpoint definitions as defined in > + Documentation/devicetree/bindings/media/video-interfaces.txt. > + contained 2 endpoints, connecting to the output of vop. > + > +- phys: from general PHY binding: the phandle for the PHY device. > + > +- extcon: extcon specifier for the Power Delivery > + > +- #sound-dai-cells = it must be 1 if your system is using 2 DAIs: I2S, SPDIF > + > +------------------------------------------------------------------------------- > + > +Example: > + cdn_dp: dp@fec00000 { > + compatible = "rockchip,cdn-dp"; > + reg = <0x0 0xfec00000 0x0 0x100000>; > + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&cru SCLK_DP_CORE>, <&cru PCLK_DP_CTRL>, > + <&cru SCLK_SPDIF_REC_DPTX>; > + clock-names = "core_clk", "pclk", "spdif"; > + phys = <&tcphy0>; > + extcon = <&fusb1>; > + rockchip,grf = <&grf>; > + #address-cells = <1>; > + #size-cells = <0>; > + #sound-dai-cells = <1>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <1>; Don't need these with a single port. > + > + dp_in: port { > + #address-cells = <1>; > + #size-cells = <0>; > + dp_in_vopb: endpoint@0 { > + reg = <0>; > + remote-endpoint = <&vopb_out_dp>; > + }; > + > + dp_in_vopl: endpoint@1 { > + reg = <1>; > + remote-endpoint = <&vopl_out_dp>; > + }; > + }; > + }; > + }; > -- > 2.6.3 > >
diff --git a/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt new file mode 100644 index 0000000..4a66fc3 --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt @@ -0,0 +1,62 @@ +Rockchip RK3399 specific extensions to the cdn Display Port +================================ + +Required properties: +- compatible: must be "rockchip,cdn-dp" + +- reg: physical base address of the controller and length + +- clocks: from common clock binding: handle to dp clock. + +- clock-names: from common clock binding: + Required elements: "core_clk" "pclk" "spdif" + +- rockchip,grf: this soc should set GRF regs, so need get grf here. + +- ports: contain a port nodes with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + contained 2 endpoints, connecting to the output of vop. + +- phys: from general PHY binding: the phandle for the PHY device. + +- extcon: extcon specifier for the Power Delivery + +- #sound-dai-cells = it must be 1 if your system is using 2 DAIs: I2S, SPDIF + +------------------------------------------------------------------------------- + +Example: + cdn_dp: dp@fec00000 { + compatible = "rockchip,cdn-dp"; + reg = <0x0 0xfec00000 0x0 0x100000>; + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cru SCLK_DP_CORE>, <&cru PCLK_DP_CTRL>, + <&cru SCLK_SPDIF_REC_DPTX>; + clock-names = "core_clk", "pclk", "spdif"; + phys = <&tcphy0>; + extcon = <&fusb1>; + rockchip,grf = <&grf>; + #address-cells = <1>; + #size-cells = <0>; + #sound-dai-cells = <1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + reg = <1>; + + dp_in: port { + #address-cells = <1>; + #size-cells = <0>; + dp_in_vopb: endpoint@0 { + reg = <0>; + remote-endpoint = <&vopb_out_dp>; + }; + + dp_in_vopl: endpoint@1 { + reg = <1>; + remote-endpoint = <&vopl_out_dp>; + }; + }; + }; + };
This patch adds a binding that describes the cdn DP controller for rk3399. Signed-off-by: Chris Zhong <zyw@rock-chips.com> --- Changes in v2: None Changes in v1: - add extcon node description - add #sound-dai-cells description .../bindings/display/rockchip/cdn-dp-rockchip.txt | 62 ++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt