dt-bindings: clock: Add IPQ5018 clock and reset

This patch adds support for the global clock controller found on
the IPQ5018 based devices.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Co-developed-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
Link: https://lore.kernel.org/r/1690533192-22220-2-git-send-email-quic_srichara@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/clock/qcom,ipq5018-gcc.yaml b/Documentation/devicetree/bindings/clock/qcom,ipq5018-gcc.yaml
new file mode 100644
index 000000000000..ef84a0c95f7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,ipq5018-gcc.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,ipq5018-gcc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Global Clock & Reset Controller on IPQ5018
+
+maintainers:
+  - Sricharan Ramabadhran <quic_srichara@quicinc.com>
+
+description: |
+  Qualcomm global clock control module provides the clocks, resets and power
+  domains on IPQ5018
+
+  See also::
+    include/dt-bindings/clock/qcom,ipq5018-gcc.h
+    include/dt-bindings/reset/qcom,ipq5018-gcc.h
+
+properties:
+  compatible:
+    const: qcom,gcc-ipq5018
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: Sleep clock source
+      - description: PCIE20 PHY0 pipe clock source
+      - description: PCIE20 PHY1 pipe clock source
+      - description: USB3 PHY pipe clock source
+      - description: GEPHY RX clock source
+      - description: GEPHY TX clock source
+      - description: UNIPHY RX clock source
+      - description: UNIPHY TX clk source
+
+required:
+  - compatible
+  - clocks
+
+allOf:
+  - $ref: qcom,gcc.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    clock-controller@1800000 {
+      compatible = "qcom,gcc-ipq5018";
+      reg = <0x01800000 0x80000>;
+      clocks = <&xo_board_clk>,
+               <&sleep_clk>,
+               <&pcie20_phy0_pipe_clk>,
+               <&pcie20_phy1_pipe_clk>,
+               <&usb3_phy0_pipe_clk>,
+               <&gephy_rx_clk>,
+               <&gephy_tx_clk>,
+               <&uniphy_rx_clk>,
+               <&uniphy_tx_clk>;
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+    };
+...