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Tue, 8 Oct 2019 09:25:30 +0800 Message-ID: <1570497930.1483.0.camel@mtksdaap41> Subject: Re: [PATCH v7 02/13] dt-bindings: soc: Add MT8183 power dt-bindings From: Weiyi Lu To: Matthias Brugger Date: Tue, 8 Oct 2019 09:25:30 +0800 In-Reply-To: <48655b84-fd20-f417-529c-b81a7d64d63d@gmail.com> References: <1566983506-26598-1-git-send-email-weiyi.lu@mediatek.com> <1566983506-26598-3-git-send-email-weiyi.lu@mediatek.com> <48655b84-fd20-f417-529c-b81a7d64d63d@gmail.com> X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 578EE69AAD1693E32ACFE0DC740AB3F9176CFE3AF9905C35F6FC95A5F7A7086C2000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191007_182540_645039_18C40872 X-CRM114-Status: GOOD ( 17.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , Nicolas Boichat , srv_heupstream@mediatek.com, James Liao , linux-kernel@vger.kernel.org, Fan Chen , linux-mediatek@lists.infradead.org, Yong Wu , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 2019-08-28 at 11:39 +0200, Matthias Brugger wrote: > > On 28/08/2019 11:11, Weiyi Lu wrote: > > Add power dt-bindings of MT8183 and introduces "BASIC" and > > "SUBSYS" clock types in binding document. > > The "BASIC" type is compatible to the original power control with > > clock name [a-z]+[0-9]*, e.g. mm, vpu1. > > The "SUBSYS" type is used for bus protection control with clock > > name [a-z]+-[0-9]+, e.g. isp-0, cam-1. > > > > Signed-off-by: Weiyi Lu > > --- > > .../devicetree/bindings/soc/mediatek/scpsys.txt | 14 ++++++++++++ > > include/dt-bindings/power/mt8183-power.h | 26 ++++++++++++++++++++++ > > 2 files changed, 40 insertions(+) > > create mode 100644 include/dt-bindings/power/mt8183-power.h > > > > diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt > > index 876693a..00eab7e 100644 > > --- a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt > > +++ b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt > > @@ -14,6 +14,7 @@ power/power_domain.txt. It provides the power domains defined in > > - include/dt-bindings/power/mt2701-power.h > > - include/dt-bindings/power/mt2712-power.h > > - include/dt-bindings/power/mt7622-power.h > > +- include/dt-bindings/power/mt8183-power.h > > > > Required properties: > > - compatible: Should be one of: > > @@ -25,18 +26,31 @@ Required properties: > > - "mediatek,mt7623a-scpsys": For MT7623A SoC > > - "mediatek,mt7629-scpsys", "mediatek,mt7622-scpsys": For MT7629 SoC > > - "mediatek,mt8173-scpsys" > > + - "mediatek,mt8183-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. > > These are clocks which hardware needs to be > > enabled before enabling certain power domains. > > + The new clock type "BASIC" belongs to the type above. > > + As to the new clock type "SUBSYS" needs to be > > + enabled before releasing bus protection. > > The new clock type won't be new in a couple of month, better reword this. E.g.: > Some SoCs have to groups of clocks. BASIC clocks need to be enabled before > enabling the corresponding power domain. SUBSYS clocks need to be enabled before > releasing the bus protection. > Got it, I'll reword in next version. Many thanks. > > Required clocks for MT2701 or MT7623: "mm", "mfg", "ethif" > > Required clocks for MT2712: "mm", "mfg", "venc", "jpgdec", "audio", "vdec" > > Required clocks for MT6797: "mm", "mfg", "vdec" > > Required clocks for MT7622 or MT7629: "hif_sel" > > Required clocks for MT7623A: "ethif" > > Required clocks for MT8173: "mm", "mfg", "venc", "venc_lt" > > + Required clocks for MT8183: BASIC: "audio", "mfg", "mm", "cam", "isp", > > + "vpu", "vpu1", "vpu2", "vpu3" > > + SUBSYS: "mm-0", "mm-1", "mm-2", "mm-3", > > + "mm-4", "mm-5", "mm-6", "mm-7", > > + "mm-8", "mm-9", "isp-0", "isp-1", > > + "cam-0", "cam-1", "cam-2", "cam-3", > > + "cam-4", "cam-5", "cam-6", "vpu-0", > > + "vpu-1", "vpu-2", "vpu-3", "vpu-4", > > + "vpu-5" > > > > Optional properties: > > - vdec-supply: Power supply for the vdec power domain > > diff --git a/include/dt-bindings/power/mt8183-power.h b/include/dt-bindings/power/mt8183-power.h > > new file mode 100644 > > index 0000000..5c0c8c7 > > --- /dev/null > > +++ b/include/dt-bindings/power/mt8183-power.h > > @@ -0,0 +1,26 @@ > > +/* SPDX-License-Identifier: GPL-2.0 > > + * > > + * Copyright (c) 2018 MediaTek Inc. > > + * Author: Weiyi Lu > > + */ > > + > > +#ifndef _DT_BINDINGS_POWER_MT8183_POWER_H > > +#define _DT_BINDINGS_POWER_MT8183_POWER_H > > + > > +#define MT8183_POWER_DOMAIN_AUDIO 0 > > +#define MT8183_POWER_DOMAIN_CONN 1 > > +#define MT8183_POWER_DOMAIN_MFG_ASYNC 2 > > +#define MT8183_POWER_DOMAIN_MFG 3 > > +#define MT8183_POWER_DOMAIN_MFG_CORE0 4 > > +#define MT8183_POWER_DOMAIN_MFG_CORE1 5 > > +#define MT8183_POWER_DOMAIN_MFG_2D 6 > > +#define MT8183_POWER_DOMAIN_DISP 7 > > +#define MT8183_POWER_DOMAIN_CAM 8 > > +#define MT8183_POWER_DOMAIN_ISP 9 > > +#define MT8183_POWER_DOMAIN_VDEC 10 > > +#define MT8183_POWER_DOMAIN_VENC 11 > > +#define MT8183_POWER_DOMAIN_VPU_TOP 12 > > +#define MT8183_POWER_DOMAIN_VPU_CORE0 13 > > +#define MT8183_POWER_DOMAIN_VPU_CORE1 14 > > + > > +#endif /* _DT_BINDINGS_POWER_MT8183_POWER_H */ > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel