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soc: mediatek: Add MT2701 power dt-bindings

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Add power dt-bindings for MT2701.

Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: James Liao <jamesjj.liao@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Shunli Wang 2016-10-20 16:56:37 +08:00 committed by Matthias Brugger
parent 1001354ca3
commit 3e96c65337
2 changed files with 35 additions and 5 deletions
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13
Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
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@ -9,17 +9,20 @@ domain control.
The driver implements the Generic PM domain bindings described in
power/power_domain.txt. It provides the power domains defined in
include/dt-bindings/power/mt8173-power.h.
include/dt-bindings/power/mt8173-power.h and mt2701-power.h.
Required properties:
- compatible: Must be "mediatek,mt8173-scpsys"
- compatible: Should be one of:
- "mediatek,mt2701-scpsys"
- "mediatek,mt8173-scpsys"
- #power-domain-cells: Must be 1
- reg: Address range of the SCPSYS unit
- infracfg: must contain a phandle to the infracfg controller
- clock, clock-names: clocks according to the common clock binding.
The clocks needed "mm", "mfg", "venc" and "venc_lt".
These are the clocks which hardware needs to be enabled
before enabling certain power domains.
These are clocks which hardware needs to be
enabled before enabling certain power domains.
Required clocks for MT2701: "mm", "mfg", "ethif"
Required clocks for MT8173: "mm", "mfg", "venc", "venc_lt"
Optional properties:
- vdec-supply: Power supply for the vdec power domain

27
include/dt-bindings/power/mt2701-power.h Normal file
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@ -0,0 +1,27 @@
/*
* Copyright (C) 2015 MediaTek Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _DT_BINDINGS_POWER_MT2701_POWER_H
#define _DT_BINDINGS_POWER_MT2701_POWER_H
#define MT2701_POWER_DOMAIN_CONN 0
#define MT2701_POWER_DOMAIN_DISP 1
#define MT2701_POWER_DOMAIN_MFG 2
#define MT2701_POWER_DOMAIN_VDEC 3
#define MT2701_POWER_DOMAIN_ISP 4
#define MT2701_POWER_DOMAIN_BDP 5
#define MT2701_POWER_DOMAIN_ETH 6
#define MT2701_POWER_DOMAIN_HIF 7
#define MT2701_POWER_DOMAIN_IFR_MSC 8
#endif /* _DT_BINDINGS_POWER_MT2701_POWER_H */