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Message-ID:
<IA1PR20MB4953A753379B286AFF2D7742BB012@IA1PR20MB4953.namprd20.prod.outlook.com>
Date: Sun, 7 Apr 2024 19:36:46 +0800
From: Inochi Amaoto <inochiama@...look.com>
To: Vinod Koul <vkoul@...nel.org>, Inochi Amaoto <inochiama@...look.com>
Cc: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
Chen Wang <unicorn_wang@...look.com>, Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>,
Jisheng Zhang <jszhang@...nel.org>, Liu Gui <kenneth.liu@...hgo.com>,
Jingbao Qiu <qiujingbao.dlmu@...il.com>, dlan@...too.org, dmaengine@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v6 2/3] soc/sophgo: add top sysctrl layout file for
CV18XX/SG200X
On Sun, Apr 07, 2024 at 04:53:10PM +0530, Vinod Koul wrote:
> On 29-03-24, 10:04, Inochi Amaoto wrote:
> > The "top" system controller of CV18XX/SG200X exposes control
> > register access for various devices. Add soc header file to
> > describe it.
> >
> > Signed-off-by: Inochi Amaoto <inochiama@...look.com>
> > ---
> > include/soc/sophgo/cv1800-sysctl.h | 30 ++++++++++++++++++++++++++++++
> > 1 file changed, 30 insertions(+)
> > create mode 100644 include/soc/sophgo/cv1800-sysctl.h
> >
> > diff --git a/include/soc/sophgo/cv1800-sysctl.h b/include/soc/sophgo/cv1800-sysctl.h
> > new file mode 100644
> > index 000000000000..b9396d33e240
> > --- /dev/null
> > +++ b/include/soc/sophgo/cv1800-sysctl.h
> > @@ -0,0 +1,30 @@
> > +/* SPDX-License-Identifier: GPL-2.0-or-later */
> > +/*
> > + * Copyright (C) 2023 Inochi Amaoto <inochiama@...look.com>
> > + */
> > +
> > +#ifndef CV1800_SYSCTL_H
> > +#define CV1800_SYSCTL_H
> > +
> > +/*
> > + * SOPHGO CV1800/SG2000 SoC top system controller registers offsets.
> > + */
> > +
> > +#define CV1800_CONF_INFO 0x004
> > +#define CV1800_SYS_CTRL_REG 0x008
> > +#define CV1800_USB_PHY_CTRL_REG 0x048
> > +#define CV1800_SDMA_DMA_CHANNEL_REMAP0 0x154
> > +#define CV1800_SDMA_DMA_CHANNEL_REMAP1 0x158
> > +#define CV1800_TOP_TIMER_CLK_SEL 0x1a0
> > +#define CV1800_TOP_WDT_CTRL 0x1a8
> > +#define CV1800_DDR_AXI_URGENT_OW 0x1b8
> > +#define CV1800_DDR_AXI_URGENT 0x1bc
> > +#define CV1800_DDR_AXI_QOS_0 0x1d8
> > +#define CV1800_DDR_AXI_QOS_1 0x1dc
> > +#define CV1800_SD_PWRSW_CTRL 0x1f4
> > +#define CV1800_SD_PWRSW_TIME 0x1f8
> > +#define CV1800_DDR_AXI_QOS_OW 0x23c
> > +#define CV1800_SD_CTRL_OPT 0x294
> > +#define CV1800_SDMA_DMA_INT_MUX 0x298
>
> Why are these register defines in soc, all the dma registers should
> belong to dma driver and other IPs, why do you need a common header??
>
> --
> ~Vinod
This multiplexer is not a standalone device, instead, it is a
subdevice of the syscon. Although it is better to add this
header to the syscon series, the dma multiplexer driver itself
depends this header. So I add the header to this series.
Regards,
Inochi
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