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|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/tegra/nvidia,tegra124-sor.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: NVIDIA Tegra SOR Output Encoder
maintainers:
- Thierry Reding <thierry.reding@gmail.com>
- Jon Hunter <jonathanh@nvidia.com>
description: |
The Serial Output Resource (SOR) can be used to drive HDMI, LVDS, eDP
and DP outputs.
properties:
$nodename:
pattern: "^sor@[0-9a-f]+$"
compatible:
oneOf:
- enum:
- nvidia,tegra124-sor
- nvidia,tegra210-sor
- nvidia,tegra210-sor1
- nvidia,tegra186-sor
- nvidia,tegra186-sor1
- nvidia,tegra194-sor
- items:
- const: nvidia,tegra132-sor
- const: nvidia,tegra124-sor
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
minItems: 5
maxItems: 6
clock-names:
minItems: 5
maxItems: 6
resets:
items:
- description: module reset
reset-names:
items:
- const: sor
power-domains:
maxItems: 1
avdd-io-hdmi-dp-supply:
description: I/O supply for HDMI/DP
vdd-hdmi-dp-pll-supply:
description: PLL supply for HDMI/DP
hdmi-supply:
description: +5.0V HDMI connector supply, required for HDMI
# Tegra186 and later
nvidia,interface:
description: index of the SOR interface
$ref: /schemas/types.yaml#/definitions/uint32
nvidia,ddc-i2c-bus:
description: phandle of an I2C controller used for DDC EDID
probing
$ref: /schemas/types.yaml#/definitions/phandle
nvidia,hpd-gpio:
description: specifies a GPIO used for hotplug detection
maxItems: 1
nvidia,edid:
description: supplies a binary EDID blob
$ref: /schemas/types.yaml#/definitions/uint8-array
nvidia,panel:
description: phandle of a display panel, required for eDP
$ref: /schemas/types.yaml#/definitions/phandle
nvidia,xbar-cfg:
description: 5 cells containing the crossbar configuration.
Each lane of the SOR, identified by the cell's index, is
mapped via the crossbar to the pad specified by the cell's
value.
$ref: /schemas/types.yaml#/definitions/uint32-array
# optional when driving an eDP output
nvidia,dpaux:
description: phandle to a DispayPort AUX interface
$ref: /schemas/types.yaml#/definitions/phandle
allOf:
- if:
properties:
compatible:
contains:
enum:
- nvidia,tegra186-sor
- nvidia,tegra194-sor
then:
properties:
clocks:
items:
- description: clock input for the SOR hardware
- description: SOR output clock
- description: input for the pixel clock
- description: reference clock for the SOR clock
- description: safe reference clock for the SOR clock
during power up
- description: SOR pad output clock
clock-names:
items:
- const: sor
- enum:
- source # deprecated
- out
- const: parent
- const: dp
- const: safe
- const: pad
else:
properties:
clocks:
items:
- description: clock input for the SOR hardware
- description: SOR output clock
- description: input for the pixel clock
- description: reference clock for the SOR clock
- description: safe reference clock for the SOR clock
during power up
clock-names:
items:
- const: sor
- enum:
- source # deprecated
- out
- const: parent
- const: dp
- const: safe
additionalProperties: false
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- resets
- reset-names
- avdd-io-hdmi-dp-supply
- vdd-hdmi-dp-pll-supply
examples:
- |
#include <dt-bindings/clock/tegra210-car.h>
#include <dt-bindings/gpio/tegra-gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
sor0: sor@54540000 {
compatible = "nvidia,tegra210-sor";
reg = <0x54540000 0x00040000>;
interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&tegra_car TEGRA210_CLK_SOR0>,
<&tegra_car TEGRA210_CLK_SOR0_OUT>,
<&tegra_car TEGRA210_CLK_PLL_D_OUT0>,
<&tegra_car TEGRA210_CLK_PLL_DP>,
<&tegra_car TEGRA210_CLK_SOR_SAFE>;
clock-names = "sor", "out", "parent", "dp", "safe";
resets = <&tegra_car 182>;
reset-names = "sor";
pinctrl-0 = <&state_dpaux_aux>;
pinctrl-1 = <&state_dpaux_i2c>;
pinctrl-2 = <&state_dpaux_off>;
pinctrl-names = "aux", "i2c", "off";
power-domains = <&pd_sor>;
avdd-io-hdmi-dp-supply = <&avdd_1v05>;
vdd-hdmi-dp-pll-supply = <&vdd_1v8>;
hdmi-supply = <&vdd_hdmi>;
nvidia,ddc-i2c-bus = <&hdmi_ddc>;
nvidia,hpd-gpio = <&gpio TEGRA_GPIO(CC, 1) GPIO_ACTIVE_LOW>;
};
|
