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dt-bindings: reset: Add PDC Global binding for SDM845 SoCs 

Add PDC Global (Power Domain Controller) binding for SDM845 SoCs.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Sibi Sankar 2018-08-30 00:42:10 +05:30 committed by Philipp Zabel
parent 34845c9390
commit 032f11638f
2 changed files with 72 additions and 0 deletions
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52
Documentation/devicetree/bindings/reset/qcom,pdc-global.txt Normal file
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PDC Global
======================================
This binding describes a reset-controller found on PDC-Global (Power Domain
Controller) block for Qualcomm Technologies Inc SDM845 SoCs.
Required properties:
- compatible:
Usage: required
Value type: <string>
Definition: must be:
"qcom,sdm845-pdc-global"
- reg:
Usage: required
Value type: <prop-encoded-array>
Definition: must specify the base address and size of the register
space.
- #reset-cells:
Usage: required
Value type: <uint>
Definition: must be 1; cell entry represents the reset index.
Example:
pdc_reset: reset-controller@b2e0000 {
compatible = "qcom,sdm845-pdc-global";
reg = <0xb2e0000 0x20000>;
#reset-cells = <1>;
};
PDC reset clients
======================================
Device nodes that need access to reset lines should
specify them as a reset phandle in their corresponding node as
specified in reset.txt.
For a list of all valid reset indices see
<dt-bindings/reset/qcom,sdm845-pdc.h>
Example:
modem-pil@4080000 {
...
resets = <&pdc_reset PDC_MODEM_SYNC_RESET>;
reset-names = "pdc_reset";
...
};

20
include/dt-bindings/reset/qcom,sdm845-pdc.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2018 The Linux Foundation. All rights reserved.
*/
#ifndef _DT_BINDINGS_RESET_PDC_SDM_845_H
#define _DT_BINDINGS_RESET_PDC_SDM_845_H
#define PDC_APPS_SYNC_RESET 0
#define PDC_SP_SYNC_RESET 1
#define PDC_AUDIO_SYNC_RESET 2
#define PDC_SENSORS_SYNC_RESET 3
#define PDC_AOP_SYNC_RESET 4
#define PDC_DEBUG_SYNC_RESET 5
#define PDC_GPU_SYNC_RESET 6
#define PDC_DISPLAY_SYNC_RESET 7
#define PDC_COMPUTE_SYNC_RESET 8
#define PDC_MODEM_SYNC_RESET 9
#endif