0001 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
0002 # Copyright (C) Sunplus Co., Ltd. 2021
0003 %YAML 1.2
0004 ---
0005 $id: http://devicetree.org/schemas/spi/spi-sunplus-sp7021.yaml#
0006 $schema: http://devicetree.org/meta-schemas/core.yaml#
0007
0008 title: Sunplus sp7021 SPI controller
0009
0010 allOf:
0011 - $ref: "spi-controller.yaml"
0012
0013 maintainers:
0014 - Li-hao Kuo <lhjeff911@gmail.com>
0015
0016 properties:
0017 compatible:
0018 enum:
0019 - sunplus,sp7021-spi
0020
0021 reg:
0022 items:
0023 - description: the SPI master registers
0024 - description: the SPI slave registers
0025
0026 reg-names:
0027 items:
0028 - const: master
0029 - const: slave
0030
0031 interrupt-names:
0032 items:
0033 - const: dma_w
0034 - const: master_risc
0035 - const: slave_risc
0036
0037 interrupts:
0038 minItems: 3
0039
0040 clocks:
0041 maxItems: 1
0042
0043 resets:
0044 maxItems: 1
0045
0046 required:
0047 - compatible
0048 - reg
0049 - reg-names
0050 - interrupts
0051 - interrupt-names
0052 - clocks
0053 - resets
0054 - pinctrl-names
0055 - pinctrl-0
0056
0057 unevaluatedProperties: false
0058
0059 examples:
0060 - |
0061 #include <dt-bindings/interrupt-controller/irq.h>
0062 spi@9C002D80 {
0063 compatible = "sunplus,sp7021-spi";
0064 reg = <0x9C002D80 0x80>, <0x9C002E00 0x80>;
0065 reg-names = "master", "slave";
0066 interrupt-parent = <&intc>;
0067 interrupt-names = "dma_w",
0068 "master_risc",
0069 "slave_risc";
0070 interrupts = <144 IRQ_TYPE_LEVEL_HIGH>,
0071 <146 IRQ_TYPE_LEVEL_HIGH>,
0072 <145 IRQ_TYPE_LEVEL_HIGH>;
0073 clocks = <&clkc 0x32>;
0074 resets = <&rstc 0x22>;
0075 pinctrl-names = "default";
0076 pinctrl-0 = <&pins_spi0>;
0077 };
0078 ...
