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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/dsi-phy-10nm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Display DSI 10nm PHY
maintainers:
- Krishna Manikandan <quic_mkrishn@quicinc.com>
allOf:
- $ref: dsi-phy-common.yaml#
properties:
compatible:
enum:
- qcom,dsi-phy-10nm
- qcom,dsi-phy-10nm-8998
reg:
items:
- description: dsi phy register set
- description: dsi phy lane register set
- description: dsi pll register set
reg-names:
items:
- const: dsi_phy
- const: dsi_phy_lane
- const: dsi_pll
vdds-supply:
description: |
Connected to DSI0_MIPI_DSI_PLL_VDDA0P9 pin for sc7180 target and
connected to VDDA_MIPI_DSI_0_PLL_0P9 pin for sdm845 target
qcom,phy-rescode-offset-top:
$ref: /schemas/types.yaml#/definitions/int8-array
maxItems: 5
description:
Integer array of offset for pull-up legs rescode for all five lanes.
To offset the drive strength from the calibrated value in an increasing
manner, -32 is the weakest and +31 is the strongest.
items:
minimum: -32
maximum: 31
qcom,phy-rescode-offset-bot:
$ref: /schemas/types.yaml#/definitions/int8-array
maxItems: 5
description:
Integer array of offset for pull-down legs rescode for all five lanes.
To offset the drive strength from the calibrated value in a decreasing
manner, -32 is the weakest and +31 is the strongest.
items:
minimum: -32
maximum: 31
qcom,phy-drive-ldo-level:
$ref: /schemas/types.yaml#/definitions/uint32
description:
The PHY LDO has an amplitude tuning feature to adjust the LDO output
for the HSTX drive. Use supported levels (mV) to offset the drive level
from the default value.
enum: [ 375, 400, 425, 450, 475, 500 ]
required:
- compatible
- reg
- reg-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,dispcc-sdm845.h>
#include <dt-bindings/clock/qcom,rpmh.h>
dsi-phy@ae94400 {
compatible = "qcom,dsi-phy-10nm";
reg = <0x0ae94400 0x200>,
<0x0ae94600 0x280>,
<0x0ae94a00 0x1e0>;
reg-names = "dsi_phy",
"dsi_phy_lane",
"dsi_pll";
#clock-cells = <1>;
#phy-cells = <0>;
vdds-supply = <&vdda_mipi_dsi0_pll>;
clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
<&rpmhcc RPMH_CXO_CLK>;
clock-names = "iface", "ref";
qcom,phy-rescode-offset-top = /bits/ 8 <0 0 0 0 0>;
qcom,phy-rescode-offset-bot = /bits/ 8 <0 0 0 0 0>;
qcom,phy-drive-ldo-level = <400>;
};
...
|
