Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: Qualcomm Display DSI 10nm PHY |
| 8 | |
| 9 | maintainers: |
| 10 | - Krishna Manikandan <quic_mkrishn@quicinc.com> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: dsi-phy-common.yaml# |
| 14 | |
| 15 | properties: |
| 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 | |
| 68 | required: |
| 69 | - compatible |
| 70 | - reg |
| 71 | - reg-names |
| 72 | |
| 73 | unevaluatedProperties: false |
| 74 | |
| 75 | examples: |
| 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 | ... |