1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2# Copyright (C) Sunplus Co., Ltd. 2021 3%YAML 1.2 4--- 5$id: http://devicetree.org/schemas/spi/spi-sunplus-sp7021.yaml# 6$schema: http://devicetree.org/meta-schemas/core.yaml# 7 8title: Sunplus sp7021 SPI controller 9 10allOf: 11 - $ref: "spi-controller.yaml" 12 13maintainers: 14 - Li-hao Kuo <lhjeff911@gmail.com> 15 16properties: 17 compatible: 18 enum: 19 - sunplus,sp7021-spi 20 21 reg: 22 items: 23 - description: the SPI master registers 24 - description: the SPI slave registers 25 26 reg-names: 27 items: 28 - const: master 29 - const: slave 30 31 interrupt-names: 32 items: 33 - const: dma_w 34 - const: master_risc 35 - const: slave_risc 36 37 interrupts: 38 minItems: 3 39 40 clocks: 41 maxItems: 1 42 43 resets: 44 maxItems: 1 45 46required: 47 - compatible 48 - reg 49 - reg-names 50 - interrupts 51 - interrupt-names 52 - clocks 53 - clocks-names 54 - resets 55 - pinctrl-names 56 - pinctrl-0 57 58unevaluatedProperties: false 59 60examples: 61 - | 62 #include <dt-bindings/clock/sp-sp7021.h> 63 #include <dt-bindings/reset/sp-sp7021.h> 64 #include <dt-bindings/interrupt-controller/irq.h> 65 spi@9C002D80 { 66 compatible = "sunplus,sp7021-spi"; 67 reg = <0x9C002D80 0x80>, <0x9C002E00 0x80>; 68 reg-names = "master", "slave"; 69 interrupt-parent = <&intc>; 70 interrupt-names = "dma_w", 71 "master_risc", 72 "slave_risc"; 73 interrupts = <144 IRQ_TYPE_LEVEL_HIGH>, 74 <146 IRQ_TYPE_LEVEL_HIGH>, 75 <145 IRQ_TYPE_LEVEL_HIGH>; 76 clocks = <&clkc SPI_COMBO_0>; 77 resets = <&rstc RST_SPI_COMBO_0>; 78 pinctrl-names = "default"; 79 pinctrl-0 = <&pins_spi0>; 80 }; 81... 82