[PATCH v2 2/5] dt-bindings: display/msm: Document the DPU for SA8775P
Mahadevan
quic_mahap at quicinc.com
Thu Sep 26 11:01:34 UTC 2024
Document the DPU for Qualcomm SA8775P platform.
Signed-off-by: Mahadevan <quic_mahap at quicinc.com>
---
[v2]
- Use fake DISPCC nodes to avoid clock dependencies in dt-bindings. [Dmitry]
- Update bindings by fixing dt_binding_check tool errors (update includes in example),
adding proper spacing and indentation in binding example. [Dmitry, Rob]
- Capitalize clock names in description. [Dmitry]
---
.../display/msm/qcom,sa8775p-dpu.yaml | 122 ++++++++++++++++++
1 file changed, 122 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/msm/qcom,sa8775p-dpu.yaml
diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-dpu.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-dpu.yaml
new file mode 100644
index 000000000000..435e4c028bb8
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sa8775p-dpu.yaml
@@ -0,0 +1,122 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/qcom,sa8775p-dpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. SA8775P Display DPU
+
+maintainers:
+ - Mahadevan <quic_mahap at quicinc.com>
+
+$ref: /schemas/display/msm/dpu-common.yaml#
+
+properties:
+ compatible:
+ const: qcom,sa8775p-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
+ - description: Display AHB
+ - description: Display lut
+ - description: Display core
+ - description: Display vsync
+
+ clock-names:
+ items:
+ - const: bus
+ - const: iface
+ - const: lut
+ - const: core
+ - const: vsync
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,sa8775p-gcc.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interconnect/qcom,sa8775p-rpmh.h>
+ #include <dt-bindings/power/qcom,rpmhpd.h>
+
+ display-controller at ae01000 {
+ compatible = "qcom,sa8775p-dpu";
+ reg = <0 0x0ae01000 0 0x8f000>,
+ <0 0x0aeb0000 0 0x2008>;
+ reg-names = "mdp", "vbif";
+
+ clocks = <&gcc GCC_DISP_HF_AXI_CLK>,
+ <&dispcc_ahb_clk>,
+ <&dispcc_mdp_lut_clk>,
+ <&dispcc_mdp_clk>,
+ <&dispcc_vsync_clk>;
+ clock-names = "bus",
+ "iface",
+ "lut",
+ "core",
+ "vsync";
+
+ assigned-clocks = <&dispcc_vsync_clk>;
+ assigned-clock-rates = <19200000>;
+
+ operating-points-v2 = <&mdss0_mdp_opp_table>;
+ power-domains = <&rpmhpd RPMHPD_MMCX>;
+
+ interrupt-parent = <&mdss0>;
+ interrupts = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port at 0 {
+ reg = <0>;
+ dpu_intf0_out: endpoint {
+ remote-endpoint = <&mdss0_dp0_in>;
+ };
+ };
+ };
+
+ mdss0_mdp_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-375000000 {
+ opp-hz = /bits/ 64 <375000000>;
+ required-opps = <&rpmhpd_opp_svs_l1>;
+ };
+
+ opp-500000000 {
+ opp-hz = /bits/ 64 <500000000>;
+ required-opps = <&rpmhpd_opp_nom>;
+ };
+
+ opp-575000000 {
+ opp-hz = /bits/ 64 <575000000>;
+ required-opps = <&rpmhpd_opp_turbo>;
+ };
+
+ opp-650000000 {
+ opp-hz = /bits/ 64 <650000000>;
+ required-opps = <&rpmhpd_opp_turbo_l1>;
+ };
+ };
+ };
+...
--
2.34.1
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