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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/mediatek,spi-mt65xx.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: SPI Bus controller for MediaTek ARM SoCs
maintainers:
- Leilk Liu <leilk.liu@mediatek.com>
allOf:
- $ref: "/schemas/spi/spi-controller.yaml#"
properties:
compatible:
oneOf:
- items:
- enum:
- mediatek,mt7629-spi
- const: mediatek,mt7622-spi
- items:
- enum:
- mediatek,mt8516-spi
- const: mediatek,mt2712-spi
- items:
- enum:
- mediatek,mt6779-spi
- mediatek,mt8186-spi
- mediatek,mt8192-spi
- mediatek,mt8195-spi
- const: mediatek,mt6765-spi
- items:
- enum:
- mediatek,mt7986-spi-ipm
- const: mediatek,spi-ipm
- items:
- enum:
- mediatek,mt2701-spi
- mediatek,mt2712-spi
- mediatek,mt6589-spi
- mediatek,mt6765-spi
- mediatek,mt6893-spi
- mediatek,mt7622-spi
- mediatek,mt8135-spi
- mediatek,mt8173-spi
- mediatek,mt8183-spi
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
minItems: 3
items:
- description: clock used for the parent clock
- description: clock used for the muxes clock
- description: clock used for the clock gate
- description: clock used for the AHB bus, this clock is optional
clock-names:
minItems: 3
items:
- const: parent-clk
- const: sel-clk
- const: spi-clk
- const: hclk
mediatek,pad-select:
$ref: /schemas/types.yaml#/definitions/uint32-array
minItems: 1
maxItems: 4
items:
enum: [0, 1, 2, 3]
description:
specify which pins group(ck/mi/mo/cs) spi controller used.
This is an array.
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- '#address-cells'
- '#size-cells'
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/mt8173-clk.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
spi@1100a000 {
compatible = "mediatek,mt8173-spi";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x1100a000 0x1000>;
interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
clocks = <&topckgen CLK_TOP_SYSPLL3_D2>,
<&topckgen CLK_TOP_SPI_SEL>,
<&pericfg CLK_PERI_SPI0>;
clock-names = "parent-clk", "sel-clk", "spi-clk";
cs-gpios = <&pio 105 GPIO_ACTIVE_LOW>, <&pio 72 GPIO_ACTIVE_LOW>;
mediatek,pad-select = <1>, <0>;
};
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