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dt-bindings: display/msm: Add binding for SC8280XP MDSS
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Add binding for the display subsystem and display processing unit in the
Qualcomm SC8280XP platform.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Patchwork: https://patchwork.freedesktop.org/patch/514396/
Link: https://lore.kernel.org/r/20221207220012.16529-2-quic_bjorande@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Bjorn Andersson authored and Dmitry Baryshkov committed Jan 12, 2023
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122 changes: 122 additions & 0 deletions Documentation/devicetree/bindings/display/msm/qcom,sc8280xp-dpu.yaml
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# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/qcom,sc8280xp-dpu.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SC8280XP Display Processing Unit

maintainers:
- Bjorn Andersson <andersson@kernel.org>

description:
Device tree bindings for SC8280XP Display Processing Unit.

$ref: /schemas/display/msm/dpu-common.yaml#

properties:
compatible:
const: qcom,sc8280xp-dpu

reg:
items:
- description: Address offset and size for mdp register set
- description: Address offset and size for vbif register set

reg-names:
items:
- const: mdp
- const: vbif

clocks:
items:
- description: Display hf axi clock
- description: Display sf axi clock
- description: Display ahb clock
- description: Display lut clock
- description: Display core clock
- description: Display vsync clock

clock-names:
items:
- const: bus
- const: nrt_bus
- const: iface
- const: lut
- const: core
- const: vsync

unevaluatedProperties: false

examples:
- |
#include <dt-bindings/clock/qcom,dispcc-sc8280xp.h>
#include <dt-bindings/clock/qcom,gcc-sc8280xp.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interconnect/qcom,sc8280xp.h>
#include <dt-bindings/power/qcom-rpmpd.h>
display-controller@ae01000 {
compatible = "qcom,sc8280xp-dpu";
reg = <0x0ae01000 0x8f000>,
<0x0aeb0000 0x2008>;
reg-names = "mdp", "vbif";
clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
<&gcc GCC_DISP_SF_AXI_CLK>,
<&dispcc0 DISP_CC_MDSS_AHB_CLK>,
<&dispcc0 DISP_CC_MDSS_MDP_LUT_CLK>,
<&dispcc0 DISP_CC_MDSS_MDP_CLK>,
<&dispcc0 DISP_CC_MDSS_VSYNC_CLK>;
clock-names = "bus",
"nrt_bus",
"iface",
"lut",
"core",
"vsync";
assigned-clocks = <&dispcc0 DISP_CC_MDSS_MDP_CLK>,
<&dispcc0 DISP_CC_MDSS_VSYNC_CLK>;
assigned-clock-rates = <460000000>,
<19200000>;
operating-points-v2 = <&mdp_opp_table>;
power-domains = <&rpmhpd SC8280XP_MMCX>;
interrupt-parent = <&mdss0>;
interrupts = <0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
endpoint {
remote-endpoint = <&mdss0_dp0_in>;
};
};
port@4 {
reg = <4>;
endpoint {
remote-endpoint = <&mdss0_dp1_in>;
};
};
port@5 {
reg = <5>;
endpoint {
remote-endpoint = <&mdss0_dp3_in>;
};
};
port@6 {
reg = <6>;
endpoint {
remote-endpoint = <&mdss0_dp2_in>;
};
};
};
};
...
143 changes: 143 additions & 0 deletions Documentation/devicetree/bindings/display/msm/qcom,sc8280xp-mdss.yaml
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# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/qcom,sc8280xp-mdss.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SC8280XP Mobile Display Subsystem

maintainers:
- Bjorn Andersson <andersson@kernel.org>

description:
Device tree bindings for MSM Mobile Display Subsystem (MDSS) that encapsulates
sub-blocks like DPU display controller, DSI and DP interfaces etc.

$ref: /schemas/display/msm/mdss-common.yaml#

properties:
compatible:
const: qcom,sc8280xp-mdss

clocks:
items:
- description: Display AHB clock from gcc
- description: Display AHB clock from dispcc
- description: Display core clock

clock-names:
items:
- const: iface
- const: ahb
- const: core

patternProperties:
"^display-controller@[0-9a-f]+$":
type: object
properties:
compatible:
const: qcom,sc8280xp-dpu

unevaluatedProperties: false

examples:
- |
#include <dt-bindings/clock/qcom,dispcc-sc8280xp.h>
#include <dt-bindings/clock/qcom,gcc-sc8280xp.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interconnect/qcom,sc8280xp.h>
#include <dt-bindings/power/qcom-rpmpd.h>
display-subsystem@ae00000 {
compatible = "qcom,sc8280xp-mdss";
reg = <0x0ae00000 0x1000>;
reg-names = "mdss";
power-domains = <&dispcc0 MDSS_GDSC>;
clocks = <&gcc GCC_DISP_AHB_CLK>,
<&dispcc0 DISP_CC_MDSS_AHB_CLK>,
<&dispcc0 DISP_CC_MDSS_MDP_CLK>;
clock-names = "iface",
"ahb",
"core";
resets = <&dispcc0 DISP_CC_MDSS_CORE_BCR>;
interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
interrupt-controller;
#interrupt-cells = <1>;
interconnects = <&mmss_noc MASTER_MDP0 0 &mc_virt SLAVE_EBI1 0>,
<&mmss_noc MASTER_MDP1 0 &mc_virt SLAVE_EBI1 0>;
interconnect-names = "mdp0-mem", "mdp1-mem";
iommus = <&apps_smmu 0x1000 0x402>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
display-controller@ae01000 {
compatible = "qcom,sc8280xp-dpu";
reg = <0x0ae01000 0x8f000>,
<0x0aeb0000 0x2008>;
reg-names = "mdp", "vbif";
clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
<&gcc GCC_DISP_SF_AXI_CLK>,
<&dispcc0 DISP_CC_MDSS_AHB_CLK>,
<&dispcc0 DISP_CC_MDSS_MDP_LUT_CLK>,
<&dispcc0 DISP_CC_MDSS_MDP_CLK>,
<&dispcc0 DISP_CC_MDSS_VSYNC_CLK>;
clock-names = "bus",
"nrt_bus",
"iface",
"lut",
"core",
"vsync";
assigned-clocks = <&dispcc0 DISP_CC_MDSS_VSYNC_CLK>;
assigned-clock-rates = <19200000>;
operating-points-v2 = <&mdss0_mdp_opp_table>;
power-domains = <&rpmhpd SC8280XP_MMCX>;
interrupt-parent = <&mdss0>;
interrupts = <0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
endpoint {
remote-endpoint = <&mdss0_dp0_in>;
};
};
port@4 {
reg = <4>;
endpoint {
remote-endpoint = <&mdss0_dp1_in>;
};
};
port@5 {
reg = <5>;
endpoint {
remote-endpoint = <&mdss0_dp3_in>;
};
};
port@6 {
reg = <6>;
endpoint {
remote-endpoint = <&mdss0_dp2_in>;
};
};
};
};
};
...

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