dt-bindings: clock: qcom: add DISPCC clocks on SM4450

Add device tree bindings for the display clock controller on
Qualcomm SM4450 platform.

Signed-off-by: Ajit Pandey <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>

1 files changed, 71 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/clock/qcom,sm4450-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm4450-dispcc.yaml
new file mode 100644
index 000000000000..2aa05353eff1
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,sm4450-dispcc.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,sm4450-dispcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Display Clock & Reset Controller on SM4450
+
+maintainers:
+  - Ajit Pandey <[email protected]>
+  - Taniya Das <[email protected]>
+
+description: |
+  Qualcomm display clock control module provides the clocks, resets and power
+  domains on SM4450
+
+  See also:: include/dt-bindings/clock/qcom,sm4450-dispcc.h
+
+properties:
+  compatible:
+    const: qcom,sm4450-dispcc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: Board active XO source
+      - description: Display AHB clock source from GCC
+      - description: sleep clock source
+      - description: Byte clock from DSI PHY0
+      - description: Pixel clock from DSI PHY0
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 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/clock/qcom,sm4450-gcc.h>
+    clock-controller@af00000 {
+      compatible = "qcom,sm4450-dispcc";
+      reg = <0x0af00000 0x20000>;
+      clocks = <&rpmhcc RPMH_CXO_CLK>,
+               <&rpmhcc RPMH_CXO_CLK_A>,
+               <&gcc GCC_DISP_AHB_CLK>,
+               <&sleep_clk>,
+               <&dsi0_phy_pll_out_byteclk>,
+               <&dsi0_phy_pll_out_dsiclk>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+    };
+...