dt-bindings: clock: Add Qualcomm SC8280XP display clock bindings

The Qualcomm SC8280XP platform has two display clock controllers, add a
binding for these.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220926203800.16771-2-quic_bjorande@quicinc.com

1 files changed, 97 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/clock/qcom,dispcc-sc8280xp.yaml b/Documentation/devicetree/bindings/clock/qcom,dispcc-sc8280xp.yaml
new file mode 100644
index 000000000000..28c13237059f
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,dispcc-sc8280xp.yaml
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,dispcc-sc8280xp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display Clock & Reset Controller Binding for SC8280XP
+
+maintainers:
+  - Bjorn Andersson <bjorn.andersson@linaro.org>
+
+description: |
+  Qualcomm display clock control module which supports the clocks, resets and
+  power domains for the two MDSS instances on SC8280XP.
+
+  See also:
+    include/dt-bindings/clock/qcom,dispcc-sc8280xp.h
+
+properties:
+  compatible:
+    enum:
+      - qcom,sc8280xp-dispcc0
+      - qcom,sc8280xp-dispcc1
+
+  clocks:
+    items:
+      - description: AHB interface clock,
+      - description: SoC CXO clock
+      - description: SoC sleep clock
+      - description: DisplayPort 0 link clock
+      - description: DisplayPort 0 VCO div clock
+      - description: DisplayPort 1 link clock
+      - description: DisplayPort 1 VCO div clock
+      - description: DisplayPort 2 link clock
+      - description: DisplayPort 2 VCO div clock
+      - description: DisplayPort 3 link clock
+      - description: DisplayPort 3 VCO div clock
+      - description: DSI 0 PLL byte clock
+      - description: DSI 0 PLL DSI clock
+      - description: DSI 1 PLL byte clock
+      - description: DSI 1 PLL DSI clock
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    items:
+      - description: MMCX power domain
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - '#clock-cells'
+  - '#reset-cells'
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-sc8280xp.h>
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/power/qcom-rpmpd.h>
+    clock-controller@af00000 {
+      compatible = "qcom,sc8280xp-dispcc0";
+      reg = <0x0af00000 0x20000>;
+      clocks = <&gcc GCC_DISP_AHB_CLK>,
+               <&rpmhcc RPMH_CXO_CLK>,
+               <&sleep_clk>,
+               <&mdss0_dp_phy0 0>,
+               <&mdss0_dp_phy0 1>,
+               <&mdss0_dp_phy1 0>,
+               <&mdss0_dp_phy1 1>,
+               <&mdss0_dp_phy2 0>,
+               <&mdss0_dp_phy2 1>,
+               <&mdss0_dp_phy3 0>,
+               <&mdss0_dp_phy3 1>,
+               <&mdss0_dsi0_phy 0>,
+               <&mdss0_dsi0_phy 1>,
+               <&mdss0_dsi1_phy 0>,
+               <&mdss0_dsi1_phy 1>;
+      power-domains = <&rpmhpd SC8280XP_MMCX>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+    };
+...