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| author | Sibi Sankar <sibis@codeaurora.org> | 2018-08-29 21:12:10 +0200 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2018-10-05 10:33:28 +0200 |
| commit | 032f11638ff8e0a02d9cd49ef85e185cd0326d03 (patch) | |
| tree | 9da84030231df67569145efbe9f6d6b05bd7274c | |
| parent | reset: Grammar s/more then once/more than once/ (diff) | |
| download | linux-032f11638ff8e0a02d9cd49ef85e185cd0326d03.tar.xz linux-032f11638ff8e0a02d9cd49ef85e185cd0326d03.zip | |
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>
| -rw-r--r-- | Documentation/devicetree/bindings/reset/qcom,pdc-global.txt | 52 | ||||
| -rw-r--r-- | include/dt-bindings/reset/qcom,sdm845-pdc.h | 20 |
2 files changed, 72 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/reset/qcom,pdc-global.txt b/Documentation/devicetree/bindings/reset/qcom,pdc-global.txt new file mode 100644 index 000000000000..a62a492843e7 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/qcom,pdc-global.txt @@ -0,0 +1,52 @@ +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"; + + ... +}; diff --git a/include/dt-bindings/reset/qcom,sdm845-pdc.h b/include/dt-bindings/reset/qcom,sdm845-pdc.h new file mode 100644 index 000000000000..53c37f9c319a --- /dev/null +++ b/include/dt-bindings/reset/qcom,sdm845-pdc.h @@ -0,0 +1,20 @@ +/* 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 |