rockchip-sfc.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/spi/rockchip-sfc.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Rockchip Serial Flash Controller (SFC)
    8 
    9 maintainers:
   10   - Heiko Stuebner <heiko@sntech.de>
   11   - Chris Morgan <macromorgan@hotmail.com>
   12 
   13 allOf:
   14   - $ref: spi-controller.yaml#
   15 
   16 properties:
   17   compatible:
   18     const: rockchip,sfc
   19     description:
   20       The rockchip sfc controller is a standalone IP with version register,
   21       and the driver can handle all the feature difference inside the IP
   22       depending on the version register.
   23 
   24   reg:
   25     maxItems: 1
   26 
   27   interrupts:
   28     maxItems: 1
   29 
   30   clocks:
   31     items:
   32       - description: Bus Clock
   33       - description: Module Clock
   34 
   35   clock-names:
   36     items:
   37       - const: clk_sfc
   38       - const: hclk_sfc
   39 
   40   power-domains:
   41     maxItems: 1
   42 
   43   rockchip,sfc-no-dma:
   44     description: Disable DMA and utilize FIFO mode only
   45     type: boolean
   46 
   47 patternProperties:
   48   "^flash@[0-3]$":
   49     type: object
   50     properties:
   51       reg:
   52         minimum: 0
   53         maximum: 3
   54 
   55 required:
   56   - compatible
   57   - reg
   58   - interrupts
   59   - clocks
   60   - clock-names
   61 
   62 unevaluatedProperties: false
   63 
   64 examples:
   65   - |
   66     #include <dt-bindings/clock/px30-cru.h>
   67     #include <dt-bindings/interrupt-controller/arm-gic.h>
   68     #include <dt-bindings/power/px30-power.h>
   69 
   70     sfc: spi@ff3a0000 {
   71         compatible = "rockchip,sfc";
   72         reg = <0xff3a0000 0x4000>;
   73         interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
   74         clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>;
   75         clock-names = "clk_sfc", "hclk_sfc";
   76         pinctrl-0 = <&sfc_clk &sfc_cs &sfc_bus2>;
   77         pinctrl-names = "default";
   78         power-domains = <&power PX30_PD_MMC_NAND>;
   79         #address-cells = <1>;
   80         #size-cells = <0>;
   81 
   82         flash@0 {
   83             compatible = "jedec,spi-nor";
   84             reg = <0>;
   85             spi-max-frequency = <108000000>;
   86             spi-rx-bus-width = <2>;
   87             spi-tx-bus-width = <2>;
   88         };
   89     };
   90 
   91 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/spi/rockchip-sfc.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/spi/rockchip-sfc.yaml