samsung,fimd.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/display/samsung/samsung,fimd.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Samsung S3C/S5P/Exynos SoC Fully Interactive Mobile Display (FIMD)
    8 
    9 maintainers:
   10   - Inki Dae <inki.dae@samsung.com>
   11   - Seung-Woo Kim <sw0312.kim@samsung.com>
   12   - Kyungmin Park <kyungmin.park@samsung.com>
   13   - Krzysztof Kozlowski <krzk@kernel.org>
   14 
   15 properties:
   16   compatible:
   17     enum:
   18       - samsung,s3c2443-fimd
   19       - samsung,s3c6400-fimd
   20       - samsung,s5pv210-fimd
   21       - samsung,exynos3250-fimd
   22       - samsung,exynos4210-fimd
   23       - samsung,exynos5250-fimd
   24       - samsung,exynos5420-fimd
   25 
   26   '#address-cells':
   27     const: 1
   28 
   29   clocks:
   30     minItems: 2
   31     maxItems: 2
   32 
   33   clock-names:
   34     items:
   35       - const: sclk_fimd
   36       - const: fimd
   37 
   38   display-timings:
   39     $ref: ../panel/display-timings.yaml#
   40 
   41   i80-if-timings:
   42     type: object
   43     description: |
   44       Timing configuration for lcd i80 interface support.
   45       The parameters are defined as::
   46       VCLK(internal)  __|??????|_____|??????|_____|??????|_____|??????|_____|??
   47                         :            :            :            :            :
   48       Address Output  --:<XXXXXXXXXXX:XXXXXXXXXXXX:XXXXXXXXXXXX:XXXXXXXXXXXX:XX
   49                         | cs-setup+1 |            :            :            :
   50                         |<---------->|            :            :            :
   51       Chip Select     ???????????????|____________:____________:____________|??
   52                                      | wr-setup+1 |            | wr-hold+1  |
   53                                      |<---------->|            |<---------->|
   54       Write Enable    ????????????????????????????|____________|???????????????
   55                                                   | wr-active+1|
   56                                                   |<---------->|
   57       Video Data      ----------------------------<XXXXXXXXXXXXXXXXXXXXXXXXX>--
   58 
   59     properties:
   60       cs-setup:
   61         $ref: /schemas/types.yaml#/definitions/uint32
   62         description:
   63           Clock cycles for the active period of address signal is enabled until
   64           chip select is enabled.
   65         default: 0
   66 
   67       wr-active:
   68         $ref: /schemas/types.yaml#/definitions/uint32
   69         description:
   70           Clock cycles for the active period of CS is enabled.
   71         default: 1
   72 
   73       wr-hold:
   74         $ref: /schemas/types.yaml#/definitions/uint32
   75         description:
   76           Clock cycles for the active period of CS is disabled until write
   77           signal is disabled.
   78         default: 0
   79 
   80       wr-setup:
   81         $ref: /schemas/types.yaml#/definitions/uint32
   82         description:
   83           Clock cycles for the active period of CS signal is enabled until
   84           write signal is enabled.
   85         default: 0
   86 
   87   iommus:
   88     minItems: 1
   89     maxItems: 2
   90 
   91   iommu-names:
   92     items:
   93       - const: m0
   94       - const: m1
   95 
   96   interrupts:
   97     items:
   98       - description: FIFO level
   99       - description: VSYNC
  100       - description: LCD system
  101 
  102   interrupt-names:
  103     items:
  104       - const: fifo
  105       - const: vsync
  106       - const: lcd_sys
  107 
  108   power-domains:
  109     maxItems: 1
  110 
  111   reg:
  112     maxItems: 1
  113 
  114   samsung,invert-vden:
  115     type: boolean
  116     description:
  117       Video enable signal is inverted.
  118 
  119   samsung,invert-vclk:
  120     type: boolean
  121     description:
  122       Video clock signal is inverted.
  123 
  124   samsung,sysreg:
  125     $ref: /schemas/types.yaml#/definitions/phandle
  126     description:
  127       Phandle to System Register syscon.
  128 
  129   '#size-cells':
  130     const: 0
  131 
  132 patternProperties:
  133   "^port@[0-4]+$":
  134     $ref: /schemas/graph.yaml#/properties/port
  135     description: |
  136       Contains ports with port with index::
  137        0 - for CAMIF0 input,
  138        1 - for CAMIF1 input,
  139        2 - for CAMIF2 input,
  140        3 - for parallel output,
  141        4 - for write-back interface
  142 
  143 required:
  144   - compatible
  145   - clocks
  146   - clock-names
  147   - interrupts
  148   - interrupt-names
  149   - reg
  150 
  151 allOf:
  152   - if:
  153       properties:
  154         compatible:
  155           contains:
  156             const: samsung,exynos5420-fimd
  157     then:
  158       properties:
  159         iommus:
  160           minItems: 2
  161           maxItems: 2
  162 
  163 additionalProperties: false
  164 
  165 examples:
  166   - |
  167     #include <dt-bindings/clock/exynos4.h>
  168 
  169     fimd@11c00000 {
  170         compatible = "samsung,exynos4210-fimd";
  171         interrupt-parent = <&combiner>;
  172         reg = <0x11c00000 0x20000>;
  173         interrupt-names = "fifo", "vsync", "lcd_sys";
  174         interrupts = <11 0>, <11 1>, <11 2>;
  175         clocks = <&clock CLK_SCLK_FIMD0>, <&clock CLK_FIMD0>;
  176         clock-names = "sclk_fimd", "fimd";
  177         power-domains = <&pd_lcd0>;
  178         iommus = <&sysmmu_fimd0>;
  179         samsung,sysreg = <&sys_reg>;
  180 
  181         #address-cells = <1>;
  182         #size-cells = <0>;
  183 
  184         samsung,invert-vden;
  185         samsung,invert-vclk;
  186 
  187         pinctrl-0 = <&lcd_clk>, <&lcd_data24>;
  188         pinctrl-names = "default";
  189 
  190         port@3 {
  191             reg = <3>;
  192 
  193             fimd_dpi_ep: endpoint {
  194                 remote-endpoint = <&lcd_ep>;
  195             };
  196         };
  197     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/display/samsung/samsung,fimd.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/samsung/samsung,fimd.yaml