cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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nwl-dsi.yaml (5448B)


      1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/display/bridge/nwl-dsi.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: Northwest Logic MIPI-DSI controller on i.MX SoCs
      8
      9maintainers:
     10  - Guido GĂșnther <agx@sigxcpu.org>
     11  - Robert Chiras <robert.chiras@nxp.com>
     12
     13description: |
     14  NWL MIPI-DSI host controller found on i.MX8 platforms. This is a dsi bridge for
     15  the SOCs NWL MIPI-DSI host controller.
     16
     17allOf:
     18  - $ref: ../dsi-controller.yaml#
     19
     20properties:
     21  compatible:
     22    const: fsl,imx8mq-nwl-dsi
     23
     24  reg:
     25    maxItems: 1
     26
     27  interrupts:
     28    maxItems: 1
     29
     30  '#address-cells':
     31    const: 1
     32
     33  '#size-cells':
     34    const: 0
     35
     36  assigned-clock-parents: true
     37  assigned-clock-rates: true
     38  assigned-clocks: true
     39
     40  clocks:
     41    items:
     42      - description: DSI core clock
     43      - description: RX_ESC clock (used in escape mode)
     44      - description: TX_ESC clock (used in escape mode)
     45      - description: PHY_REF clock
     46      - description: LCDIF clock
     47
     48  clock-names:
     49    items:
     50      - const: core
     51      - const: rx_esc
     52      - const: tx_esc
     53      - const: phy_ref
     54      - const: lcdif
     55
     56  mux-controls:
     57    description:
     58      mux controller node to use for operating the input mux
     59
     60  phys:
     61    maxItems: 1
     62    description:
     63      A phandle to the phy module representing the DPHY
     64
     65  phy-names:
     66    items:
     67      - const: dphy
     68
     69  power-domains:
     70    maxItems: 1
     71
     72  resets:
     73    items:
     74      - description: dsi byte reset line
     75      - description: dsi dpi reset line
     76      - description: dsi esc reset line
     77      - description: dsi pclk reset line
     78
     79  reset-names:
     80    items:
     81      - const: byte
     82      - const: dpi
     83      - const: esc
     84      - const: pclk
     85
     86  ports:
     87    $ref: /schemas/graph.yaml#/properties/ports
     88
     89    properties:
     90      port@0:
     91        $ref: /schemas/graph.yaml#/$defs/port-base
     92        description:
     93          Input port node to receive pixel data from the
     94          display controller. Exactly one endpoint must be
     95          specified.
     96        properties:
     97          endpoint@0:
     98            $ref: /schemas/graph.yaml#/properties/endpoint
     99            description: sub-node describing the input from LCDIF
    100
    101          endpoint@1:
    102            $ref: /schemas/graph.yaml#/properties/endpoint
    103            description: sub-node describing the input from DCSS
    104
    105        oneOf:
    106          - required:
    107              - endpoint@0
    108          - required:
    109              - endpoint@1
    110
    111        unevaluatedProperties: false
    112
    113      port@1:
    114        $ref: /schemas/graph.yaml#/properties/port
    115        description:
    116          DSI output port node to the panel or the next bridge
    117          in the chain
    118
    119    required:
    120      - port@0
    121      - port@1
    122
    123required:
    124  - '#address-cells'
    125  - '#size-cells'
    126  - clock-names
    127  - clocks
    128  - compatible
    129  - interrupts
    130  - mux-controls
    131  - phy-names
    132  - phys
    133  - ports
    134  - reg
    135  - reset-names
    136  - resets
    137
    138unevaluatedProperties: false
    139
    140examples:
    141  - |
    142    #include <dt-bindings/clock/imx8mq-clock.h>
    143    #include <dt-bindings/gpio/gpio.h>
    144    #include <dt-bindings/interrupt-controller/arm-gic.h>
    145    #include <dt-bindings/reset/imx8mq-reset.h>
    146
    147    dsi@30a00000 {
    148              #address-cells = <1>;
    149              #size-cells = <0>;
    150              compatible = "fsl,imx8mq-nwl-dsi";
    151              reg = <0x30A00000 0x300>;
    152              clocks = <&clk IMX8MQ_CLK_DSI_CORE>,
    153                       <&clk IMX8MQ_CLK_DSI_AHB>,
    154                       <&clk IMX8MQ_CLK_DSI_IPG_DIV>,
    155                       <&clk IMX8MQ_CLK_DSI_PHY_REF>,
    156                       <&clk IMX8MQ_CLK_LCDIF_PIXEL>;
    157              clock-names = "core", "rx_esc", "tx_esc", "phy_ref", "lcdif";
    158              interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
    159              mux-controls = <&mux 0>;
    160              power-domains = <&pgc_mipi>;
    161              resets = <&src IMX8MQ_RESET_MIPI_DSI_RESET_BYTE_N>,
    162                       <&src IMX8MQ_RESET_MIPI_DSI_DPI_RESET_N>,
    163                       <&src IMX8MQ_RESET_MIPI_DSI_ESC_RESET_N>,
    164                       <&src IMX8MQ_RESET_MIPI_DSI_PCLK_RESET_N>;
    165              reset-names = "byte", "dpi", "esc", "pclk";
    166              phys = <&dphy>;
    167              phy-names = "dphy";
    168
    169              panel@0 {
    170                      compatible = "rocktech,jh057n00900";
    171                      reg = <0>;
    172                      vcc-supply = <&reg_2v8_p>;
    173                      iovcc-supply = <&reg_1v8_p>;
    174                      reset-gpios = <&gpio3 13 GPIO_ACTIVE_LOW>;
    175                      port {
    176                           panel_in: endpoint {
    177                                     remote-endpoint = <&mipi_dsi_out>;
    178                           };
    179                      };
    180              };
    181
    182              ports {
    183                    #address-cells = <1>;
    184                    #size-cells = <0>;
    185
    186                    port@0 {
    187                           #size-cells = <0>;
    188                           #address-cells = <1>;
    189                           reg = <0>;
    190                           mipi_dsi_in: endpoint@0 {
    191                                        reg = <0>;
    192                                        remote-endpoint = <&lcdif_mipi_dsi>;
    193                           };
    194                    };
    195                    port@1 {
    196                           reg = <1>;
    197                           mipi_dsi_out: endpoint {
    198                                         remote-endpoint = <&panel_in>;
    199                           };
    200                    };
    201              };
    202    };