Changes in v10: - Change title of this patch as it does not contain PLL bindings anymore - Remove redundant properties - Remove use of IRQ flag - Fix ports property Previous Change log: https://lkml.kernel.org/lkml/1597066683-6044-2-git-send-email-mkrishn@xxxxxxxxxxxxxx/ Signed-off-by: Chandan Uddaraju <chandanu@xxxxxxxxxxxxxx> Signed-off-by: Vara Reddy <varar@xxxxxxxxxxxxxx> Signed-off-by: Tanmay Shah <tanmay@xxxxxxxxxxxxxx> --- .../bindings/display/msm/dp-controller.yaml | 120 +++++++++++++++++++++ .../bindings/display/msm/dpu-sc7180.yaml | 10 ++ 2 files changed, 130 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/msm/dp-controller.yaml diff --git a/Documentation/devicetree/bindings/display/msm/dp-controller.yaml b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml new file mode 100644 index 0000000..bc80632 --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/dp-controller.yaml @@ -0,0 +1,120 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/dp-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MSM Display Port Controller. + +maintainers: + - Chandan Uddaraju <chandanu@xxxxxxxxxxxxxx> + - Vara Reddy <varar@xxxxxxxxxxxxxx> + - Tanmay Shah <tanmay@xxxxxxxxxxxxxx> + +description: | + Device tree bindings for DisplayPort host controller for MSM targets + that are compatible with VESA DisplayPort interface specification. + +properties: + compatible: + enum: + - qcom,sc7180-dp + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: AHB clock to enable register access + - description: Display Port AUX clock + - description: Display Port Link clock + - description: Link interface clock between DP and PHY + - description: Display Port Pixel clock + + clock-names: + items: + - const: core_iface + - const: core_aux + - const: ctrl_link + - const: ctrl_link_iface + - const: stream_pixel + + ports: + type: object + description: | + A ports node with endpoint definitions as defined in + Documentation/devicetree/bindings/media/video-interfaces.txt. + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + port@0: + type: object + description: Input endpoint of the controller. + + port@1: + type: object + description: Output endpoint of the controller. + + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/qcom,dispcc-sc7180.h> + + mdss: mdss { + #address-cells = <2>; + #size-cells = <2>; + interrupt-controller; + + msm_dp: displayport-controller@ae90000 { + compatible = "qcom,sc7180-dp"; + reg = <0 0xae90000 0 0x1400>; + interrupt-parent = <&mdss>; + interrupts = <12>; + clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>, + <&dispcc DISP_CC_MDSS_DP_AUX_CLK>, + <&dispcc DISP_CC_MDSS_DP_LINK_CLK>, + <&dispcc DISP_CC_MDSS_DP_LINK_INTF_CLK>, + <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>; + clock-names = "core_iface", "core_aux", + "ctrl_link", + "ctrl_link_iface", "stream_pixel"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dp_in: endpoint { + remote-endpoint = <&dpu_intf0_out>; + }; + }; + + port@1 { + reg = <1>; + dp_out: endpoint { + }; + }; + }; + }; + }; +... diff --git a/Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml b/Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml index 8397ea8..9549d8f 100644 --- a/Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml +++ b/Documentation/devicetree/bindings/display/msm/dpu-sc7180.yaml @@ -132,6 +132,9 @@ patternProperties: port@1: type: object description: DPU_INTF2 (DSI2) + port@2: + type: object + description: DPU_INTF0 (DP) assigned-clocks: maxItems: 4 @@ -228,6 +231,13 @@ examples: remote-endpoint = <&dsi0_in>; }; }; + + port@2 { + reg = <2>; + dpu_intf0_out: endpoint { + remote-endpoint = <&dp_in>; + }; + }; }; }; }; -- 2.7.4
