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  1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/msm/dsi-phy-10nm.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Qualcomm Display DSI 10nm PHY
  8
  9maintainers:
 10  - Krishna Manikandan <quic_mkrishn@quicinc.com>
 11
 12allOf:
 13  - $ref: dsi-phy-common.yaml#
 14
 15properties:
 16  compatible:
 17    enum:
 18      - qcom,dsi-phy-10nm
 19      - qcom,dsi-phy-10nm-8998
 20
 21  reg:
 22    items:
 23      - description: dsi phy register set
 24      - description: dsi phy lane register set
 25      - description: dsi pll register set
 26
 27  reg-names:
 28    items:
 29      - const: dsi_phy
 30      - const: dsi_phy_lane
 31      - const: dsi_pll
 32
 33  vdds-supply:
 34    description: |
 35      Connected to DSI0_MIPI_DSI_PLL_VDDA0P9 pin for sc7180 target and
 36      connected to VDDA_MIPI_DSI_0_PLL_0P9 pin for sdm845 target
 37
 38  qcom,phy-rescode-offset-top:
 39    $ref: /schemas/types.yaml#/definitions/int8-array
 40    maxItems: 5
 41    description:
 42      Integer array of offset for pull-up legs rescode for all five lanes.
 43      To offset the drive strength from the calibrated value in an increasing
 44      manner, -32 is the weakest and +31 is the strongest.
 45    items:
 46      minimum: -32
 47      maximum: 31
 48
 49  qcom,phy-rescode-offset-bot:
 50    $ref: /schemas/types.yaml#/definitions/int8-array
 51    maxItems: 5
 52    description:
 53      Integer array of offset for pull-down legs rescode for all five lanes.
 54      To offset the drive strength from the calibrated value in a decreasing
 55      manner, -32 is the weakest and +31 is the strongest.
 56    items:
 57      minimum: -32
 58      maximum: 31
 59
 60  qcom,phy-drive-ldo-level:
 61    $ref: /schemas/types.yaml#/definitions/uint32
 62    description:
 63      The PHY LDO has an amplitude tuning feature to adjust the LDO output
 64      for the HSTX drive. Use supported levels (mV) to offset the drive level
 65      from the default value.
 66    enum: [ 375, 400, 425, 450, 475, 500 ]
 67
 68required:
 69  - compatible
 70  - reg
 71  - reg-names
 72
 73unevaluatedProperties: false
 74
 75examples:
 76  - |
 77     #include <dt-bindings/clock/qcom,dispcc-sdm845.h>
 78     #include <dt-bindings/clock/qcom,rpmh.h>
 79
 80     dsi-phy@ae94400 {
 81         compatible = "qcom,dsi-phy-10nm";
 82         reg = <0x0ae94400 0x200>,
 83               <0x0ae94600 0x280>,
 84               <0x0ae94a00 0x1e0>;
 85         reg-names = "dsi_phy",
 86                     "dsi_phy_lane",
 87                     "dsi_pll";
 88
 89         #clock-cells = <1>;
 90         #phy-cells = <0>;
 91
 92         vdds-supply = <&vdda_mipi_dsi0_pll>;
 93         clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
 94                  <&rpmhcc RPMH_CXO_CLK>;
 95         clock-names = "iface", "ref";
 96
 97         qcom,phy-rescode-offset-top = /bits/ 8 <0 0 0 0 0>;
 98         qcom,phy-rescode-offset-bot = /bits/ 8 <0 0 0 0 0>;
 99         qcom,phy-drive-ldo-level = <400>;
100     };
101...