qcom,spi-qup.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/spi/qcom,spi-qup.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Qualcomm Universal Peripheral (QUP) Serial Peripheral Interface (SPI)
    8 
    9 maintainers:
   10   - Andy Gross <agross@kernel.org>
   11   - Bjorn Andersson <bjorn.andersson@linaro.org>
   12   - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
   13 
   14 description:
   15   The QUP core is an AHB slave that provides a common data path (an output FIFO
   16   and an input FIFO) for serial peripheral interface (SPI) mini-core.
   17 
   18   SPI in master mode supports up to 50MHz, up to four chip selects,
   19   programmable data path from 4 bits to 32 bits and numerous protocol variants.
   20 
   21 allOf:
   22   - $ref: /schemas/spi/spi-controller.yaml#
   23 
   24 properties:
   25   compatible:
   26     enum:
   27       - qcom,spi-qup-v1.1.1 # for 8660, 8960 and 8064
   28       - qcom,spi-qup-v2.1.1 # for 8974 and later
   29       - qcom,spi-qup-v2.2.1 # for 8974 v2 and later
   30 
   31   clocks:
   32     maxItems: 2
   33 
   34   clock-names:
   35     items:
   36       - const: core
   37       - const: iface
   38 
   39   dmas:
   40     maxItems: 2
   41 
   42   dma-names:
   43     items:
   44       - const: tx
   45       - const: rx
   46 
   47   interrupts:
   48     maxItems: 1
   49 
   50   reg:
   51     maxItems: 1
   52 
   53 required:
   54   - compatible
   55   - clocks
   56   - clock-names
   57   - interrupts
   58   - reg
   59 
   60 unevaluatedProperties: false
   61 
   62 examples:
   63   - |
   64     #include <dt-bindings/clock/qcom,gcc-msm8996.h>
   65     #include <dt-bindings/interrupt-controller/arm-gic.h>
   66 
   67     spi@7575000 {
   68         compatible = "qcom,spi-qup-v2.2.1";
   69         reg = <0x07575000 0x600>;
   70         interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
   71         clocks = <&gcc GCC_BLSP1_QUP1_SPI_APPS_CLK>,
   72                  <&gcc GCC_BLSP1_AHB_CLK>;
   73         clock-names = "core", "iface";
   74         pinctrl-names = "default", "sleep";
   75         pinctrl-0 = <&blsp1_spi1_default>;
   76         pinctrl-1 = <&blsp1_spi1_sleep>;
   77         dmas = <&blsp1_dma 12>, <&blsp1_dma 13>;
   78         dma-names = "tx", "rx";
   79         #address-cells = <1>;
   80         #size-cells = <0>;
   81     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/spi/qcom,spi-qup.yaml

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sys/contrib/device-tree/Bindings/spi/qcom,spi-qup.yaml