1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2# Copyright 2019 BayLibre, SAS 3%YAML 1.2 4--- 5$id: "http://devicetree.org/schemas/spi/amlogic,meson6-spifc.yaml#" 6$schema: "http://devicetree.org/meta-schemas/core.yaml#" 7 8title: Amlogic Meson SPI Flash Controller 9 10maintainers: 11 - Neil Armstrong <narmstrong@baylibre.com> 12 13allOf: 14 - $ref: "spi-controller.yaml#" 15 16description: | 17 The Meson SPIFC is a controller optimized for communication with SPI 18 NOR memories, without DMA support and a 64-byte unified transmit / 19 receive buffer. 20 21properties: 22 compatible: 23 enum: 24 - amlogic,meson6-spifc # SPI Flash Controller on Meson6 and compatible SoCs 25 - amlogic,meson-gxbb-spifc # SPI Flash Controller on GXBB and compatible SoCs 26 27 reg: 28 maxItems: 1 29 30 clocks: 31 maxItems: 1 32 33required: 34 - compatible 35 - reg 36 - clocks 37 38examples: 39 - | 40 spi@c1108c80 { 41 compatible = "amlogic,meson6-spifc"; 42 reg = <0xc1108c80 0x80>; 43 clocks = <&clk81>; 44 #address-cells = <1>; 45 #size-cells = <0>; 46 47 flash: flash@0 { 48 compatible = "spansion,m25p80", "jedec,spi-nor"; 49 reg = <0>; 50 spi-max-frequency = <40000000>; 51 }; 52 }; 53 54