[PATCH v6 12/12] dt-bindings: display/msm: add support for the display on SM8250

Dmitry Baryshkov
2022-09-01T10:23:45Z

Add DPU and MDSS schemas to describe MDSS and DPU blocks on the Qualcomm
SM8250 platform.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
.../bindings/display/msm/dpu-sm8250.yaml | 96 ++++++++++++++++
.../bindings/display/msm/mdss-common.yaml | 4 +-
.../bindings/display/msm/mdss-sm8250.yaml | 106 ++++++++++++++++++
3 files changed, 204 insertions(+), 2 deletions(-)
create mode 100644 Documentation/devicetree/bindings/display/msm/dpu-sm8250.yaml
create mode 100644 Documentation/devicetree/bindings/display/msm/mdss-sm8250.yaml

diff --git a/Documentation/devicetree/bindings/display/msm/dpu-sm8250.yaml b/Documentation/devicetree/bindings/display/msm/dpu-sm8250.yaml
new file mode 100644
index 000000000000..9bc2ee4a6589
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/msm/dpu-sm8250.yaml
@@ -0,0 +1,96 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/dpu-sm8250.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display DPU dt properties for SM8250
+
+maintainers:
+ - Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
+
+description: |
+ Device tree bindings for the DPU display controller for SM8250 target.
+
+allOf:
+ - $ref: /schemas/display/msm/dpu-common.yaml#
+
+properties:
+ compatible:
+ const: qcom,sm8250-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 ahb clock
+ - description: Display hf axi clock
+ - description: Display core clock
+ - description: Display vsync clock
+
+ clock-names:
+ items:
+ - const: iface
+ - const: bus
+ - const: core
+ - const: vsync
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,dispcc-sm8250.h>
+ #include <dt-bindings/clock/qcom,gcc-sm8250.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interconnect/qcom,sm8250.h>
+ #include <dt-bindings/power/qcom-rpmpd.h>
+
+ display-controller@ae01000 {
+ compatible = "qcom,sm8250-dpu";
+ reg = <0x0ae01000 0x8f000>,
+ <0x0aeb0000 0x2008>;
+ reg-names = "mdp", "vbif";
+
+ clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+ <&gcc GCC_DISP_HF_AXI_CLK>,
+ <&dispcc DISP_CC_MDSS_MDP_CLK>,
+ <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+ clock-names = "iface", "bus", "core", "vsync";
+
+ assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+ assigned-clock-rates = <19200000>;
+
+ operating-points-v2 = <&mdp_opp_table>;
+ power-domains = <&rpmhpd SM8250_MMCX>;
+
+ interrupt-parent = <&mdss>;
+ interrupts = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ endpoint {
+ remote-endpoint = <&dsi0_in>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ endpoint {
+ remote-endpoint = <&dsi1_in>;
+ };
+ };
+ };
+ };
+...
diff --git a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
index 053c1e889552..a0a54cd63100 100644
--- a/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
+++ b/Documentation/devicetree/bindings/display/msm/mdss-common.yaml
@@ -27,11 +27,11 @@ properties:

clocks:
minItems: 2
- maxItems: 3
+ maxItems: 4

clock-names:
minItems: 2
- maxItems: 3
+ maxItems: 4

interrupts:
maxItems: 1
diff --git a/Documentation/devicetree/bindings/display/msm/mdss-sm8250.yaml b/Documentation/devicetree/bindings/display/msm/mdss-sm8250.yaml
new file mode 100644
index 000000000000..d581d10fea2d
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/msm/mdss-sm8250.yaml
@@ -0,0 +1,106 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/mdss-sm8250.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display MDSS dt properties for SM8250 target
+
+maintainers:
+ - Krishna Manikandan <quic_mkrishn@quicinc.com>
+
+description: |
+ Device tree bindings for MSM Mobile Display Subsystem(MDSS) that encapsulates
+ sub-blocks like DPU display controller, DSI and DP interfaces etc. Device tree
+ bindings of MDSS are mentioned for SM8250 target.
+
+allOf:
+ - $ref: /schemas/display/msm/mdss-common.yaml#
+
+properties:
+ compatible:
+ items:
+ - const: qcom,sm8250-mdss
+
+ clocks:
+ items:
+ - description: Display AHB clock from gcc
+ - description: Display hf axi clock
+ - description: Display sf axi clock
+ - description: Display core clock
+
+ clock-names:
+ items:
+ - const: iface
+ - const: bus
+ - const: nrt_bus
+ - const: core
+
+ iommus:
+ maxItems: 1
+
+ interconnects:
+ maxItems: 2
+
+ interconnect-names:
+ maxItems: 2
+
+patternProperties:
+ "^display-controller@[0-9a-f]+$":
+ type: object
+ properties:
+ compatible:
+ const: qcom,sm8250-dpu
+
+ "^dsi@[0-9a-f]+$":
+ type: object
+ properties:
+ compatible:
+ const: qcom,mdss-dsi-ctrl
+
+ "^dsi-phy@[0-9a-f]+$":
+ type: object
+ properties:
+ compatible:
+ const: qcom,dsi-phy-7nm
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,dispcc-sm8250.h>
+ #include <dt-bindings/clock/qcom,gcc-sm8250.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interconnect/qcom,sm8250.h>
+ #include <dt-bindings/power/qcom-rpmpd.h>
+
+ display-subsystem@ae00000 {
+ compatible = "qcom,sm8250-mdss";
+ reg = <0x0ae00000 0x1000>;
+ reg-names = "mdss";
+
+ interconnects = <&mmss_noc MASTER_MDP_PORT0 &mc_virt SLAVE_EBI_CH0>,
+ <&mmss_noc MASTER_MDP_PORT1 &mc_virt SLAVE_EBI_CH0>;
+ interconnect-names = "mdp0-mem", "mdp1-mem";
+
+ power-domains = <&dispcc MDSS_GDSC>;
+
+ clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
+ <&gcc GCC_DISP_HF_AXI_CLK>,
+ <&gcc GCC_DISP_SF_AXI_CLK>,
+ <&dispcc DISP_CC_MDSS_MDP_CLK>;
+ clock-names = "iface", "bus", "nrt_bus", "core";
+
+ interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+
+ iommus = <&apps_smmu 0x820 0x402>;
+
+ status = "disabled";
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ };
+...
--
2.35.1