101 lines
2.1 KiB
YAML
101 lines
2.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/spi/qcom,spi-qcom-qspi.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Qualcomm Quad Serial Peripheral Interface (QSPI)
|
|
|
|
maintainers:
|
|
- Bjorn Andersson <bjorn.andersson@linaro.org>
|
|
|
|
description: The QSPI controller allows SPI protocol communication in single,
|
|
dual, or quad wire transmission modes for read/write access to slaves such
|
|
as NOR flash.
|
|
|
|
allOf:
|
|
- $ref: /schemas/spi/spi-controller.yaml#
|
|
|
|
properties:
|
|
compatible:
|
|
items:
|
|
- enum:
|
|
- qcom,sc7180-qspi
|
|
- qcom,sc7280-qspi
|
|
- qcom,sdm845-qspi
|
|
|
|
- const: qcom,qspi-v1
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
iommus:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
clock-names:
|
|
items:
|
|
- const: iface
|
|
- const: core
|
|
|
|
clocks:
|
|
items:
|
|
- description: AHB clock
|
|
- description: QSPI core clock
|
|
|
|
interconnects:
|
|
minItems: 1
|
|
maxItems: 2
|
|
|
|
interconnect-names:
|
|
minItems: 1
|
|
items:
|
|
- const: qspi-config
|
|
- const: qspi-memory
|
|
|
|
operating-points-v2: true
|
|
|
|
power-domains:
|
|
maxItems: 1
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
- clock-names
|
|
- clocks
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/clock/qcom,gcc-sdm845.h>
|
|
#include <dt-bindings/interrupt-controller/arm-gic.h>
|
|
|
|
soc: soc {
|
|
#address-cells = <2>;
|
|
#size-cells = <2>;
|
|
|
|
qspi: spi@88df000 {
|
|
compatible = "qcom,sdm845-qspi", "qcom,qspi-v1";
|
|
reg = <0 0x88df000 0 0x600>;
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
|
|
clock-names = "iface", "core";
|
|
clocks = <&gcc GCC_QSPI_CNOC_PERIPH_AHB_CLK>,
|
|
<&gcc GCC_QSPI_CORE_CLK>;
|
|
|
|
flash@0 {
|
|
compatible = "jedec,spi-nor";
|
|
reg = <0>;
|
|
spi-max-frequency = <25000000>;
|
|
spi-tx-bus-width = <2>;
|
|
spi-rx-bus-width = <2>;
|
|
};
|
|
};
|
|
};
|
|
...
|