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# SPDX-License-Identifier: (GPL-
2.
0 OR BSD-
2-Clause)
%YAML
1.
2
---
$id:
http://devicetree.org/schemas/spi/qcom,spi-qup.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Universal Peripheral (QUP) Serial Peripheral Interface (SPI)
maintainers:
- Andy Gross <agross@kernel.org>
- Bjorn Andersson <bjorn.andersson@linaro.org>
- Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
description:
The QUP core is an AHB slave that provides a common data path (an output FIFO
and an input FIFO) for serial peripheral interface (SPI) mini-core.
SPI in master mode supports up to
50MHz, up to four chip selects,
programmable data path from
4 bits to
32 bits and numerous protocol variants.
allOf:
- $ref: /schemas/spi/spi-controller.yaml#
properties:
compatible:
enum:
- qcom,spi-qup-v1.
1.
1 # for
8660,
8960 and
8064
- qcom,spi-qup-v2.
1.
1 # for
8974 and later
- qcom,spi-qup-v2.
2.
1 # for
8974 v2 and later
clocks:
maxItems:
2
clock-names:
items:
- const: core
- const: iface
dmas:
maxItems:
2
dma-names:
items:
- const: tx
- const: rx
interconnects:
maxItems:
1
interrupts:
maxItems:
1
operating-points-v2: true
power-domains:
maxItems:
1
reg:
maxItems:
1
required:
- compatible
- clocks
- clock-names
- interrupts
- reg
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,gcc-msm8996.h>
#include <dt-bindings/interconnect/qcom,msm8996.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom-rpmpd.h>
spi@
7575000 {
compatible = "qcom,spi-qup-v2.
2.
1";
reg = <
0x07575000
0x600>;
interrupts = <GIC_SPI
95 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&gcc GCC_BLSP1_QUP1_SPI_APPS_CLK>,
<&gcc GCC_BLSP1_AHB_CLK>;
clock-names = "core", "iface";
pinctrl-names = "default", "sleep";
pinctrl-
0 = <&blsp1_spi1_default>;
pinctrl-
1 = <&blsp1_spi1_sleep>;
dmas = <&blsp1_dma
12>, <&blsp1_dma
13>;
dma-names = "tx", "rx";
power-domains = <&rpmpd MSM8996_VDDCX>;
operating-points-v2 = <&spi_opp_table>;
interconnects = <&pnoc MASTER_BLSP_1 &bimc SLAVE_EBI_CH0>;
#address-cells = <
1>;
#size-cells = <
0>;
};