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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/aspeed,ast2600-fmc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Aspeed SMC controllers bindings
maintainers:
- Chin-Ting Kuo <chin-ting_kuo@aspeedtech.com>
- Cédric Le Goater <clg@kaod.org>
description: |
This binding describes the Aspeed Static Memory Controllers (FMC and
SPI) of the AST2400, AST2500 and AST2600 SOCs.
allOf:
- $ref: "spi-controller.yaml#"
properties:
compatible:
enum:
- aspeed,ast2600-fmc
- aspeed,ast2600-spi
- aspeed,ast2500-fmc
- aspeed,ast2500-spi
- aspeed,ast2400-fmc
- aspeed,ast2400-spi
reg:
items:
- description: registers
- description: memory mapping
clocks:
maxItems: 1
interrupts:
maxItems: 1
required:
- compatible
- reg
- clocks
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
#include <dt-bindings/clock/ast2600-clock.h>
spi@1e620000 {
reg = <0x1e620000 0xc4>, <0x20000000 0x10000000>;
#address-cells = <1>;
#size-cells = <0>;
compatible = "aspeed,ast2600-fmc";
clocks = <&syscon ASPEED_CLK_AHB>;
interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
flash@0 {
reg = < 0 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
spi-rx-bus-width = <2>;
};
flash@1 {
reg = < 1 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
spi-rx-bus-width = <2>;
};
flash@2 {
reg = < 2 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
spi-rx-bus-width = <2>;
};
};
|
