| Message ID | 1471290938-22569-5-git-send-email-zyw@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Aug 15, 2016 at 12:55 PM, Chris Zhong <zyw@rock-chips.com> wrote: > This patch adds a binding that describes the cdn DP controller for > rk3399. > > Signed-off-by: Chris Zhong <zyw@rock-chips.com> > Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Guenter Roeck <groeck@chromium.org> > > --- > > Changes in v12: None > Changes in v11: > - refer dp phy > > Changes in v10: > - add pclk_vio_grf clock > > Changes in v9: > - modify the reference phy = <&tcphy0 0>, <&tcphy1 0>; > > Changes in v8: None > Changes in v7: None > Changes in v6: > - add assigned-clocks and assigned-clock-rates > - add power-domains > > Changes in v5: None > Changes in v4: > - add a reset node > - support 2 phys > > Changes in v3: > - add SoC specific compatible string > - remove reg = <1>; > > Changes in v2: None > Changes in v1: > - add extcon node description > - add #sound-dai-cells description > > .../bindings/display/rockchip/cdn-dp-rockchip.txt | 74 ++++++++++++++++++++++ > 1 file changed, 74 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..d34a56e > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt > @@ -0,0 +1,74 @@ > +Rockchip RK3399 specific extensions to the cdn Display Port > +================================ > + > +Required properties: > +- compatible: must be "rockchip,rk3399-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" "grf" > + > +- resets : a list of phandle + reset specifier pairs > +- reset-names : string reset name, must be: > + "spdif" > +- power-domains : power-domain property defined with a phandle > + to respective power domain. > +- assigned-clocks: main clock, should be <&cru SCLK_DP_CORE> > +- assigned-clock-rates : the DP core clk frequency, shall be: 100000000 > + > +- 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,rk3399-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>, <&cru PCLK_VIO_GRF>; > + clock-names = "core-clk", "pclk", "spdif", "grf"; > + assigned-clocks = <&cru SCLK_DP_CORE>; > + assigned-clock-rates = <100000000>; > + power-domains = <&power RK3399_PD_HDCP>; > + phys = <&tcphy0_dp>, <&tcphy1_dp>; > + resets = <&cru SRST_DPTX_SPDIF_REC>; > + reset-names = "spdif"; > + extcon = <&fusb0>, <&fusb1>; > + rockchip,grf = <&grf>; > + #address-cells = <1>; > + #size-cells = <0>; > + #sound-dai-cells = <1>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + 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>; > + }; > + }; > + }; > + }; > -- > 1.9.1 >
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..d34a56e --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/cdn-dp-rockchip.txt @@ -0,0 +1,74 @@ +Rockchip RK3399 specific extensions to the cdn Display Port +================================ + +Required properties: +- compatible: must be "rockchip,rk3399-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" "grf" + +- resets : a list of phandle + reset specifier pairs +- reset-names : string reset name, must be: + "spdif" +- power-domains : power-domain property defined with a phandle + to respective power domain. +- assigned-clocks: main clock, should be <&cru SCLK_DP_CORE> +- assigned-clock-rates : the DP core clk frequency, shall be: 100000000 + +- 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,rk3399-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>, <&cru PCLK_VIO_GRF>; + clock-names = "core-clk", "pclk", "spdif", "grf"; + assigned-clocks = <&cru SCLK_DP_CORE>; + assigned-clock-rates = <100000000>; + power-domains = <&power RK3399_PD_HDCP>; + phys = <&tcphy0_dp>, <&tcphy1_dp>; + resets = <&cru SRST_DPTX_SPDIF_REC>; + reset-names = "spdif"; + extcon = <&fusb0>, <&fusb1>; + rockchip,grf = <&grf>; + #address-cells = <1>; + #size-cells = <0>; + #sound-dai-cells = <1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + 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>; + }; + }; + }; + };