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|
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/sram/qcom,imem.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm IMEM memory region
maintainers:
- Bjorn Andersson <bjorn.andersson@linaro.org>
description:
Qualcomm IMEM is dedicated memory region for various debug features and DMA
transactions.
properties:
compatible:
items:
- enum:
- qcom,apq8064-imem
- qcom,ipq5424-imem
- qcom,msm8226-imem
- qcom,msm8974-imem
- qcom,msm8976-imem
- qcom,qcs404-imem
- qcom,qcs615-imem
- qcom,qcs8300-imem
- qcom,qdu1000-imem
- qcom,sa8775p-imem
- qcom,sar2130p-imem
- qcom,sc7180-imem
- qcom,sc7280-imem
- qcom,sc8280xp-imem
- qcom,sdm630-imem
- qcom,sdm845-imem
- qcom,sdx55-imem
- qcom,sdx65-imem
- qcom,sdx75-imem
- qcom,sm6115-imem
- qcom,sm6125-imem
- qcom,sm6350-imem
- qcom,sm6375-imem
- qcom,sm7150-imem
- qcom,sm8150-imem
- qcom,sm8250-imem
- qcom,sm8350-imem
- qcom,sm8450-imem
- qcom,sm8550-imem
- qcom,sm8650-imem
- qcom,sm8750-imem
- qcom,x1e80100-imem
- const: syscon
- const: simple-mfd
reg:
maxItems: 1
ranges: true
'#address-cells':
const: 1
'#size-cells':
const: 1
reboot-mode:
$ref: /schemas/power/reset/syscon-reboot-mode.yaml#
patternProperties:
"^minidump-sram@[0-9a-f]+$":
type: object
description:
A word in always-on SRAM shared between the kernel and boot firmware.
Before DDR is initialised on the warm reset following a crash, firmware
reads this word to decide where to deliver the minidump (USB or storage).
properties:
reg:
maxItems: 1
required:
- reg
additionalProperties: false
"^modem-tables@[0-9a-f]+$":
type: object
description:
Region containing packet processing configuration for the IP Accelerator.
properties:
reg:
maxItems: 1
required:
- reg
additionalProperties: false
"^pil-reloc@[0-9a-f]+$":
$ref: /schemas/remoteproc/qcom,pil-info.yaml#
description: Peripheral image loader relocation region
required:
- compatible
- reg
allOf:
- if:
properties:
compatible:
contains:
enum:
- qcom,apq8064-imem
- qcom,msm8226-imem
- qcom,msm8974-imem
then:
properties:
reboot-mode:
patternProperties:
# Negative look-ahead to disallow unsupported modes. The '$' has to be
# part of lookahead group to work, instead of trailing outside of ().
"^mode-(?!(bootloader$|normal$|recovery$))": false
else:
properties:
reboot-mode: false
additionalProperties: false
examples:
- |
soc {
#address-cells = <2>;
#size-cells = <2>;
sram@146bf000 {
compatible = "qcom,sdm845-imem", "syscon", "simple-mfd";
reg = <0 0x146bf000 0 0x1000>;
ranges = <0 0 0x146bf000 0x1000>;
#address-cells = <1>;
#size-cells = <1>;
pil-reloc@94c {
compatible = "qcom,pil-reloc-info";
reg = <0x94c 0xc8>;
};
};
};
|
