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Diffstat (limited to 'Documentation/devicetree/bindings/display/rockchip/rockchip,rk3399-cdn-dp.yaml')
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1 files changed, 170 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3399-cdn-dp.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3399-cdn-dp.yaml new file mode 100644 index 000000000000..1a33128e77f5 --- /dev/null +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,rk3399-cdn-dp.yaml @@ -0,0 +1,170 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/rockchip/rockchip,rk3399-cdn-dp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip RK3399 specific extensions to the CDN Display Port + +maintainers: + - Andy Yan <andy.yan@rock-chip.com> + - Heiko Stuebner <heiko@sntech.de> + - Sandy Huang <hjc@rock-chips.com> + +allOf: + - $ref: /schemas/sound/dai-common.yaml# + +properties: + compatible: + items: + - const: rockchip,rk3399-cdn-dp + + reg: + maxItems: 1 + + clocks: + items: + - description: DP core work clock + - description: APB clock + - description: SPDIF interface clock + - description: GRF clock + + clock-names: + items: + - const: core-clk + - const: pclk + - const: spdif + - const: grf + + extcon: + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + items: + - description: Extcon device providing the cable state for DP PHY device 0 + - description: Extcon device providing the cable state for DP PHY device 1 + description: + List of phandle to the extcon device providing the cable state for the DP PHY. + + interrupts: + maxItems: 1 + + phys: + minItems: 1 + items: + - description: DP output to the DP PHY device 0 + - description: DP output to the DP PHY device 1 + description: + RK3399 have two DP-USB PHY, specifying one PHY which want to use, or + specify two PHYs here to let the driver determine which PHY to use. + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: Input of the CDN DP + + properties: + endpoint@0: + description: Connection to the VOPB + + endpoint@1: + description: Connection to the VOPL + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: Output of the CDN DP + + required: + - port@0 + - port@1 + + power-domains: + maxItems: 1 + + resets: + maxItems: 4 + + reset-names: + items: + - const: spdif + - const: dptx + - const: apb + - const: core + + rockchip,grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to GRF register to control HPD. + + "#sound-dai-cells": + const: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - phys + - ports + - resets + - reset-names + - rockchip,grf + - "#sound-dai-cells" + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/rk3399-cru.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/rk3399-power.h> + soc { + #address-cells = <2>; + #size-cells = <2>; + + dp@fec00000 { + compatible = "rockchip,rk3399-cdn-dp"; + reg = <0x0 0xfec00000 0x0 0x100000>; + assigned-clocks = <&cru SCLK_DP_CORE>; + assigned-clock-rates = <100000000>; + 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"; + power-domains = <&power RK3399_PD_HDCP>; + phys = <&tcphy0_dp>, <&tcphy1_dp>; + resets = <&cru SRST_DPTX_SPDIF_REC>, <&cru SRST_P_UPHY0_DPTX>, + <&cru SRST_P_UPHY0_APB>, <&cru SRST_DP_CORE>; + reset-names = "spdif", "dptx", "apb", "core"; + rockchip,grf = <&grf>; + #sound-dai-cells = <1>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + dp_in: port@0 { + reg = <0>; + #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>; + }; + }; + + dp_out: port@1 { + reg = <1>; + }; + }; + }; + }; |