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[1/2] dt-bindings: phy: qcom,qmp-pcie: Add ipq9574 bindings

Message ID 20230421124150.21190-2-quic_devipriy@quicinc.com
State New
Headers show
Series Add support for PCIe PHY in IPQ9574 | expand

Commit Message

Devi Priya April 21, 2023, 12:41 p.m. UTC 
Add bindings for the PCIe QMP PHYs found on IPQ9574.

Signed-off-by: Devi Priya <quic_devipriy@quicinc.com>
---
 Changes in V1:
	- Introduced a new binding for ipq9574 as suggested by Krzysztof

 .../phy/qcom,ipq9574-qmp-pcie-phy.yaml        | 90 +++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom,ipq9574-qmp-pcie-phy.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/phy/qcom,ipq9574-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,ipq9574-qmp-pcie-phy.yaml
new file mode 100644
index 000000000000..7c8012647051
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom,ipq9574-qmp-pcie-phy.yaml
@@ -0,0 +1,90 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/qcom,ipq9574-qmp-pcie-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm QMP PHY controller (PCIe, IPQ9574)
+
+maintainers:
+  - Vinod Koul <vkoul@kernel.org>
+
+description:
+  The QMP PHY controller supports physical layer functionality for a number of
+  controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.
+
+properties:
+  compatible:
+    enum:
+      - qcom,ipq9574-qmp-gen3x1-pcie-phy
+      - qcom,ipq9574-qmp-gen3x2-pcie-phy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 5
+
+  clock-names:
+    items:
+      - const: aux
+      - const: cfg_ahb
+      - const: anoc_lane
+      - const: snoc_lane
+      - const: pipe
+
+  resets:
+    maxItems: 2
+
+  reset-names:
+    items:
+      - const: phy
+      - const: common
+
+  "#clock-cells":
+    const: 0
+
+  clock-output-names:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - "#clock-cells"
+  - clock-output-names
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,ipq9574-gcc.h>
+    #include <dt-bindings/reset/qcom,ipq9574-gcc.h>
+
+    pcie0_phy: phy@84000 {
+      compatible = "qcom,ipq9574-qmp-gen3x1-pcie-phy";
+      reg = <0x00084000 0x1000>;
+
+      clocks = <&gcc GCC_PCIE0_AUX_CLK>,
+               <&gcc GCC_PCIE0_AHB_CLK>,
+               <&gcc GCC_ANOC_PCIE0_1LANE_M_CLK>,
+               <&gcc GCC_SNOC_PCIE0_1LANE_S_CLK>,
+               <&gcc GCC_PCIE0_PIPE_CLK>;
+      clock-names = "aux", "cfg_ahb", "anoc_lane", "snoc_lane", "pipe";
+
+      resets = <&gcc GCC_PCIE0_PHY_BCR>,
+               <&gcc GCC_PCIE0PHY_PHY_BCR>;
+      reset-names = "phy", "common";
+
+      #clock-cells = <0>;
+      clock-output-names = "gcc_pcie0_pipe_clk_src";
+
+      #phy-cells = <0>;
+    };