Split Mobile Display SubSystem (MDSS) root node bindings to the separate yaml file. Changes to the existing (txt) schema: - Added optional "vbif_nrt_phys" region used by msm8996 - Made "bus" and "vsync" clocks optional (they are not used by some platforms) - Added (optional) "core" clock added recently to the mdss driver - Added optional resets property referencing MDSS reset - Defined child nodes pointing to corresponding reference schema. - Dropped the "lut" clock. It was added to the schema by mistake (it is a part of mdp4 schema, not the mdss). Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- .../devicetree/bindings/display/msm/mdp5.txt | 30 +--- .../devicetree/bindings/display/msm/mdss.yaml | 161 ++++++++++++++++++ 2 files changed, 162 insertions(+), 29 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/msm/mdss.yaml diff --git a/Documentation/devicetree/bindings/display/msm/mdp5.txt b/Documentation/devicetree/bindings/display/msm/mdp5.txt index 43d11279c925..65d03c58dee6 100644 --- a/Documentation/devicetree/bindings/display/msm/mdp5.txt +++ b/Documentation/devicetree/bindings/display/msm/mdp5.txt @@ -2,37 +2,9 @@ Qualcomm adreno/snapdragon MDP5 display controller Description: -This is the bindings documentation for the Mobile Display Subsytem(MDSS) that -encapsulates sub-blocks like MDP5, DSI, HDMI, eDP etc, and the MDP5 display +This is the bindings documentation for the MDP5 display controller found in SoCs like MSM8974, APQ8084, MSM8916, MSM8994 and MSM8996. -MDSS: -Required properties: -- compatible: - * "qcom,mdss" - MDSS -- reg: Physical base address and length of the controller's registers. -- reg-names: The names of register regions. The following regions are required: - * "mdss_phys" - * "vbif_phys" -- interrupts: The interrupt signal from MDSS. -- interrupt-controller: identifies the node as an interrupt controller. -- #interrupt-cells: specifies the number of cells needed to encode an interrupt - source, should be 1. -- power-domains: a power domain consumer specifier according to - Documentation/devicetree/bindings/power/power_domain.txt -- clocks: device clocks. See ../clocks/clock-bindings.txt for details. -- clock-names: the following clocks are required. - * "iface" - * "bus" - * "vsync" -- #address-cells: number of address cells for the MDSS children. Should be 1. -- #size-cells: Should be 1. -- ranges: parent bus address space is the same as the child bus address space. - -Optional properties: -- clock-names: the following clocks are optional: - * "lut" - MDP5: Required properties: - compatible: diff --git a/Documentation/devicetree/bindings/display/msm/mdss.yaml b/Documentation/devicetree/bindings/display/msm/mdss.yaml new file mode 100644 index 000000000000..ba674a261b18 --- /dev/null +++ b/Documentation/devicetree/bindings/display/msm/mdss.yaml @@ -0,0 +1,161 @@ +# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/msm/mdss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Mobile Display SubSystem (MDSS) + +maintainers: + - Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> + - Rob Clark <robdclark@xxxxxxxxx> + +description: + This is the bindings documentation for the Mobile Display Subsytem(MDSS) that + encapsulates sub-blocks like MDP5, DSI, HDMI, eDP, etc. + +properties: + compatible: + enum: + - qcom,mdss + + reg: + minItems: 2 + maxItems: 3 + + reg-names: + minItems: 2 + items: + - const: mdss_phys + - const: vbif_phys + - const: vbif_nrt_phys + + interrupts: + maxItems: 1 + + interrupt-controller: + true + + "#interrupt-cells": + const: 1 + + power-domains: + maxItems: 1 + description: | + The MDSS power domain provided by GCC + + clocks: + minItems: 1 + maxItems: 4 + + clock-names: + minItems: 1 + maxItems: 4 + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: + true + + resets: + items: + - description: MDSS_CORE reset + +oneOf: + - properties: + clocks: + minItems: 3 + maxItems: 4 + + clock-names: + minItems: 3 + items: + - const: iface + - const: bus + - const: vsync + - const: core + - properties: + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + minItems: 1 + items: + - const: iface + - const: core + +required: + - compatible + - reg + - reg-names + - interrupts + - interrupt-controller + - "#interrupt-cells" + - power-domains + - clocks + - clock-names + - "#address-cells" + - "#size-cells" + - ranges + +patternProperties: + "^mdp@(0|[1-9a-f][0-9a-f]*)$": + type: object + # TODO: add reference once the mdp5 is converted + + "^dsi@(0|[1-9a-f][0-9a-f]*)$": + $ref: dsi-controller-main.yaml# + + "^dsi-phy@(0|[1-9a-f][0-9a-f]*)$": + oneOf: + - $ref: dsi-phy-28nm.yaml# + - $ref: dsi-phy-20nm.yaml# + - $ref: dsi-phy-14nm.yaml# + - $ref: dsi-phy-10nm.yaml# + - $ref: dsi-phy-7nm.yaml# + + "^hdmi-phy@(0|[1-9a-f][0-9a-f]*)$": + oneOf: + - $ref: /schemas/phy/qcom,hdmi-phy-qmp.yaml# + - $ref: /schemas/phy/qcom,hdmi-phy-other.yaml# + + "^hdmi-tx@(0|[1-9a-f][0-9a-f]*)$": + $ref: hdmi.yaml# + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-msm8916.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + mdss@1a00000 { + compatible = "qcom,mdss"; + reg = <0x1a00000 0x1000>, + <0x1ac8000 0x3000>; + reg-names = "mdss_phys", "vbif_phys"; + + power-domains = <&gcc MDSS_GDSC>; + + clocks = <&gcc GCC_MDSS_AHB_CLK>, + <&gcc GCC_MDSS_AXI_CLK>, + <&gcc GCC_MDSS_VSYNC_CLK>; + clock-names = "iface", + "bus", + "vsync"; + + interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>; + + interrupt-controller; + #interrupt-cells = <1>; + + #address-cells = <1>; + #size-cells = <1>; + ranges; + + }; +... -- 2.35.1
