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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/ti,qspi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI QSPI controller
maintainers:
- Kousik Sanagavarapu <five231003@gmail.com>
allOf:
- $ref: spi-controller.yaml#
properties:
compatible:
enum:
- ti,am4372-qspi
- ti,dra7xxx-qspi
reg:
items:
- description: base registers
- description: mapped memory
reg-names:
items:
- const: qspi_base
- const: qspi_mmap
clocks:
maxItems: 1
clock-names:
items:
- const: fck
interrupts:
maxItems: 1
num-cs:
minimum: 1
maximum: 4
default: 1
ti,hwmods:
description:
Name of the hwmod associated to the QSPI. This is for legacy
platforms only.
$ref: /schemas/types.yaml#/definitions/string
deprecated: true
syscon-chipselects:
description:
Handle to system control region containing QSPI chipselect register
and offset of that register.
$ref: /schemas/types.yaml#/definitions/phandle-array
items:
- items:
- description: phandle to system control register
- description: register offset
spi-max-frequency:
description: Maximum SPI clocking speed of the controller in Hz.
$ref: /schemas/types.yaml#/definitions/uint32
required:
- compatible
- reg
- reg-names
- clocks
- clock-names
- interrupts
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/dra7.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
spi@4b300000 {
compatible = "ti,dra7xxx-qspi";
reg = <0x4b300000 0x100>,
<0x5c000000 0x4000000>;
reg-names = "qspi_base", "qspi_mmap";
syscon-chipselects = <&scm_conf 0x558>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&l4per2_clkctrl DRA7_L4PER2_QSPI_CLKCTRL 25>;
clock-names = "fck";
num-cs = <4>;
spi-max-frequency = <48000000>;
interrupts = <GIC_SPI 343 IRQ_TYPE_LEVEL_HIGH>;
};
...
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