summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-pcie-phy.yaml
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-pcie-phy.yaml189
1 files changed, 189 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-pcie-phy.yaml
new file mode 100644
index 000000000..4e710ef75
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-pcie-phy.yaml
@@ -0,0 +1,189 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/qcom,msm8996-qmp-pcie-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm QMP PHY controller (MSM8996 PCIe)
+
+maintainers:
+ - Vinod Koul <vkoul@kernel.org>
+
+description:
+ QMP PHY controller supports physical layer functionality for a number of
+ controllers on Qualcomm chipsets, such as, PCIe, UFS, and USB.
+
+properties:
+ compatible:
+ const: qcom,msm8996-qmp-pcie-phy
+
+ reg:
+ items:
+ - description: serdes
+
+ "#address-cells":
+ enum: [ 1, 2 ]
+
+ "#size-cells":
+ enum: [ 1, 2 ]
+
+ ranges: true
+
+ clocks:
+ maxItems: 3
+
+ clock-names:
+ items:
+ - const: aux
+ - const: cfg_ahb
+ - const: ref
+
+ resets:
+ maxItems: 3
+
+ reset-names:
+ items:
+ - const: phy
+ - const: common
+ - const: cfg
+
+ vdda-phy-supply: true
+
+ vdda-pll-supply: true
+
+ vddp-ref-clk-supply: true
+
+patternProperties:
+ "^phy@[0-9a-f]+$":
+ type: object
+ description: one child node per PHY provided by this block
+ properties:
+ reg:
+ items:
+ - description: TX
+ - description: RX
+ - description: PCS
+
+ clocks:
+ items:
+ - description: PIPE clock
+
+ clock-names:
+ deprecated: true
+ items:
+ - enum:
+ - pipe0
+ - pipe1
+ - pipe2
+
+ resets:
+ items:
+ - description: PHY reset
+
+ reset-names:
+ deprecated: true
+ items:
+ - enum:
+ - lane0
+ - lane1
+ - lane2
+
+ "#clock-cells":
+ const: 0
+
+ clock-output-names:
+ maxItems: 1
+
+ "#phy-cells":
+ const: 0
+
+ required:
+ - reg
+ - clocks
+ - resets
+ - "#clock-cells"
+ - clock-output-names
+ - "#phy-cells"
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - ranges
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+ - vdda-phy-supply
+ - vdda-pll-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gcc-msm8996.h>
+ pcie_phy: phy-wrapper@34000 {
+ compatible = "qcom,msm8996-qmp-pcie-phy";
+ reg = <0x34000 0x488>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0x34000 0x4000>;
+
+ clocks = <&gcc GCC_PCIE_PHY_AUX_CLK>,
+ <&gcc GCC_PCIE_PHY_CFG_AHB_CLK>,
+ <&gcc GCC_PCIE_CLKREF_CLK>;
+ clock-names = "aux", "cfg_ahb", "ref";
+
+ resets = <&gcc GCC_PCIE_PHY_BCR>,
+ <&gcc GCC_PCIE_PHY_COM_BCR>,
+ <&gcc GCC_PCIE_PHY_COM_NOCSR_BCR>;
+ reset-names = "phy", "common", "cfg";
+
+ vdda-phy-supply = <&vreg_l28a_0p925>;
+ vdda-pll-supply = <&vreg_l12a_1p8>;
+
+ pciephy_0: phy@1000 {
+ reg = <0x1000 0x130>,
+ <0x1200 0x200>,
+ <0x1400 0x1dc>;
+
+ clocks = <&gcc GCC_PCIE_0_PIPE_CLK>;
+ resets = <&gcc GCC_PCIE_0_PHY_BCR>;
+
+ #clock-cells = <0>;
+ clock-output-names = "pcie_0_pipe_clk_src";
+
+ #phy-cells = <0>;
+ };
+
+ pciephy_1: phy@2000 {
+ reg = <0x2000 0x130>,
+ <0x2200 0x200>,
+ <0x2400 0x1dc>;
+
+ clocks = <&gcc GCC_PCIE_1_PIPE_CLK>;
+ resets = <&gcc GCC_PCIE_1_PHY_BCR>;
+
+ #clock-cells = <0>;
+ clock-output-names = "pcie_1_pipe_clk_src";
+
+ #phy-cells = <0>;
+ };
+
+ pciephy_2: phy@3000 {
+ reg = <0x3000 0x130>,
+ <0x3200 0x200>,
+ <0x3400 0x1dc>;
+
+ clocks = <&gcc GCC_PCIE_2_PIPE_CLK>;
+ resets = <&gcc GCC_PCIE_2_PHY_BCR>;
+
+ #clock-cells = <0>;
+ clock-output-names = "pcie_2_pipe_clk_src";
+
+ #phy-cells = <0>;
+ };
+ };