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[v5,5/6] dt-bindings: clock: Add Qcom SM8350 DISPCC bindings

Message ID 20220609092940.304740-6-robert.foss@linaro.org (mailing list archive)
State Superseded, archived
Headers show
Series SM8350 Display/GPU clock enablement | expand

Commit Message

Robert Foss June 9, 2022, 9:29 a.m. UTC 
Add sm8350 DISPCC bindings, while these bindings are similar
to the sm8x50 bindings, the way clocks are represented has changed
in ABI incompatible ways.

Signed-off-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
---

Changes since v2
 - Add my SoB - Bjorn

Changes since v3
 - Separate from qcom,dispcc-sm8x50
 - Remove clock-names
 - Make example sm8350 based
 - Changed author to me due to size of changes

Changes since v4
 - Add RB - Rob


 .../bindings/clock/qcom,dispcc-sm8350.yaml    | 104 ++++++++++++++++++
 .../bindings/clock/qcom,dispcc-sm8x50.yaml    |   4 +-
 .../dt-bindings/clock/qcom,dispcc-sm8350.h    |   1 +
 3 files changed, 107 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,dispcc-sm8350.yaml
 create mode 120000 include/dt-bindings/clock/qcom,dispcc-sm8350.h
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Patch

diff --git a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8350.yaml b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8350.yaml
new file mode 100644
index 000000000000..d7e8739cab32
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8350.yaml
@@ -0,0 +1,104 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,dispcc-sm8350.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display Clock & Reset Controller Binding for SM8350
+
+maintainers:
+  - Robert Foss <robert.foss@linaro.org>
+
+description: |
+  Qualcomm display clock control module which supports the clocks, resets and
+  power domains on SM8350.
+
+  See also:
+    dt-bindings/clock/qcom,dispcc-sm8350.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sm8350-dispcc
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: Link clock from DP PHY
+      - description: VCO DIV clock from DP PHY
+      - description: Link clock from DPTX1 PHY
+      - description: VCO DIV clock from DPTX1 PHY
+      - description: Link clock from DPTX2 PHY
+      - description: VCO DIV clock from DPTX2 PHY
+      - description: Byte clock from DSI PHY0
+      - description: Pixel clock from DSI PHY0
+      - description: Byte clock from DSI PHY1
+      - description: Pixel clock from DSI PHY1
+      - description: Link clock from EDP PHY
+      - description: VCO DIV clock from EDP PHY
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    description:
+      A phandle and PM domain specifier for the MMCX power domain.
+    maxItems: 1
+
+  required-opps:
+    description:
+      A phandle to an OPP node describing required MMCX performance point.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#clock-cells'
+  - '#reset-cells'
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      clock-controller@af00000 {
+          compatible = "qcom,sm8350-dispcc";
+          reg = <0 0x0af00000 0 0x10000>;
+          clocks = <&rpmhcc RPMH_CXO_CLK>,
+                   <&dp_phy 0>,
+                   <&dp_phy 1>,
+                   <&dptx1_phy 0>,
+                   <&dptx1_phy 1>,
+                   <&dptx2_phy 0>,
+                   <&dptx2_phy 1>,
+                   <&dsi0_phy 0>,
+                   <&dsi0_phy 1>,
+                   <&dsi1_phy 0>,
+                   <&dsi1_phy 1>,
+                   <&edp_phy 0>,
+                   <&edp_phy 1>;
+
+          #clock-cells = <1>;
+          #reset-cells = <1>;
+          #power-domain-cells = <1>;
+          power-domains = <&rpmhpd SM8350_MMCX>;
+          required-opps = <&rpmhpd_opp_low_svs>;
+        };
+    };
+...
diff --git a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
index 31497677e8de..951fe2ecb7a6 100644
--- a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm8x50.yaml
@@ -4,14 +4,14 @@ 
 $id: http://devicetree.org/schemas/clock/qcom,dispcc-sm8x50.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Qualcomm Display Clock & Reset Controller Binding for SM8150/SM8250
+title: Qualcomm Display Clock & Reset Controller Binding for SM8150/SM8250/SM8350
 
 maintainers:
   - Jonathan Marek <jonathan@marek.ca>
 
 description: |
   Qualcomm display clock control module which supports the clocks, resets and
-  power domains on SM8150 and SM8250.
+  power domains on SM8150/SM8250.
 
   See also:
     dt-bindings/clock/qcom,dispcc-sm8150.h
diff --git a/include/dt-bindings/clock/qcom,dispcc-sm8350.h b/include/dt-bindings/clock/qcom,dispcc-sm8350.h
new file mode 120000
index 000000000000..0312b4544acb
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,dispcc-sm8350.h
@@ -0,0 +1 @@ 
+qcom,dispcc-sm8250.h
\ No newline at end of file