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[v2,2/7] dt-bindings: display/msm: document DPU on SM8550

Message ID 20230103-topic-sm8550-upstream-mdss-dsi-v2-2-87f1c16d7635@linaro.org (mailing list archive)
State New, archived
Headers show
Series drm/msm: add support for SM8550 | expand

Commit Message

Neil Armstrong Jan. 9, 2023, 9:26 a.m. UTC
Document the DPU hardware found on the Qualcomm SM8550 platform.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
 .../bindings/display/msm/qcom,sm8550-dpu.yaml      | 134 +++++++++++++++++++++
 1 file changed, 134 insertions(+)

Comments

Krzysztof Kozlowski Jan. 9, 2023, 9:46 a.m. UTC | #1
On 09/01/2023 10:26, Neil Armstrong wrote:
> Document the DPU hardware found on the Qualcomm SM8550 platform.
> 
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
>  .../bindings/display/msm/qcom,sm8550-dpu.yaml      | 134 +++++++++++++++++++++
>  1 file changed, 134 insertions(+)


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof
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Patch

diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8550-dpu.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8550-dpu.yaml
new file mode 100644
index 000000000000..c3d5a98fe3c0
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8550-dpu.yaml
@@ -0,0 +1,134 @@ 
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/msm/qcom,sm8550-dpu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SM8550 Display DPU
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@linaro.org>
+
+$ref: /schemas/display/msm/dpu-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,sm8550-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
+      - description: Display hf axi
+      - description: Display MDSS ahb
+      - description: Display lut
+      - description: Display core
+      - description: Display vsync
+
+  clock-names:
+    items:
+      - const: bus
+      - const: nrt_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,sm8550-dispcc.h>
+    #include <dt-bindings/clock/qcom,sm8550-gcc.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/interconnect/qcom,sm8550.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+
+    display-controller@ae01000 {
+        compatible = "qcom,sm8550-dpu";
+        reg = <0x0ae01000 0x8f000>,
+              <0x0aeb0000 0x2008>;
+        reg-names = "mdp", "vbif";
+
+        clocks = <&gcc GCC_DISP_AHB_CLK>,
+                <&gcc GCC_DISP_HF_AXI_CLK>,
+                <&dispcc DISP_CC_MDSS_AHB_CLK>,
+                <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
+                <&dispcc DISP_CC_MDSS_MDP_CLK>,
+                <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+        clock-names = "bus",
+                      "nrt_bus",
+                      "iface",
+                      "lut",
+                      "core",
+                      "vsync";
+
+        assigned-clocks = <&dispcc DISP_CC_MDSS_VSYNC_CLK>;
+        assigned-clock-rates = <19200000>;
+
+        operating-points-v2 = <&mdp_opp_table>;
+        power-domains = <&rpmhpd SM8550_MMCX>;
+
+        interrupt-parent = <&mdss>;
+        interrupts = <0>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+                dpu_intf1_out: endpoint {
+                    remote-endpoint = <&dsi0_in>;
+                };
+            };
+
+            port@1 {
+                reg = <1>;
+                dpu_intf2_out: endpoint {
+                    remote-endpoint = <&dsi1_in>;
+                };
+            };
+        };
+
+        mdp_opp_table: opp-table {
+            compatible = "operating-points-v2";
+
+            opp-200000000 {
+                opp-hz = /bits/ 64 <200000000>;
+                required-opps = <&rpmhpd_opp_low_svs>;
+            };
+
+            opp-325000000 {
+                opp-hz = /bits/ 64 <325000000>;
+                required-opps = <&rpmhpd_opp_svs>;
+            };
+
+            opp-375000000 {
+                opp-hz = /bits/ 64 <375000000>;
+                required-opps = <&rpmhpd_opp_svs_l1>;
+            };
+
+            opp-514000000 {
+                opp-hz = /bits/ 64 <514000000>;
+                required-opps = <&rpmhpd_opp_nom>;
+            };
+        };
+    };
+...