linux-kernel - Re: [PATCH 2/8] dt-bindings: reset: Add reset ID definition for Rockchip RK3528

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Message-ID: <Zv0YRkabzDTARc-L@pineapple>
Date: Wed, 2 Oct 2024 09:54:14 +0000
From: Yao Zi <ziyao@...root.org>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Philipp Zabel <p.zabel@...gutronix.de>, linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Celeste Liu <CoelacanthusHex@...il.com>
Subject: Re: [PATCH 2/8] dt-bindings: reset: Add reset ID definition for
 Rockchip RK3528

On Wed, Oct 02, 2024 at 08:31:53AM +0200, Krzysztof Kozlowski wrote:
> On Tue, Oct 01, 2024 at 04:23:56AM +0000, Yao Zi wrote:
> > +/*
> > + * Copyright (c) 2022 Rockchip Electronics Co. Ltd.
> > + * Copyright (c) 2024 Yao Zi <ziyao@...root.org>
> > + * Author: Joseph Chen <chenjh@...k-chips.com>
> > + */
> > +
> > +#ifndef _DT_BINDINGS_RESET_ROCKCHIP_RK3528_H
> > +#define _DT_BINDINGS_RESET_ROCKCHIP_RK3528_H
> > +
> > +// CRU_SOFTRST_CON03 (Offset: 0xA0C)
> > +#define SRST_CORE0_PO			0x00000030
> > +#define SRST_CORE1_PO			0x00000031
> > +#define SRST_CORE2_PO			0x00000032
> > +#define SRST_CORE3_PO			0x00000033
> > +#define SRST_CORE0			0x00000034
> > +#define SRST_CORE1			0x00000035
> > +#define SRST_CORE2			0x00000036
> > +#define SRST_CORE3			0x00000037
> > +#define SRST_NL2			0x00000038
> > +#define SRST_CORE_BIU			0x00000039
> > +#define SRST_CORE_CRYPTO		0x0000003A
> > +
> > +// CRU_SOFTRST_CON05 (Offset: 0xA14)
> > +#define SRST_P_DBG			0x0000005D
> > +#define SRST_POT_DBG			0x0000005E
> > +#define SRST_NT_DBG			0x0000005F
> 
> What are all these? Registers? Not a binding.
> 
> Binding constants are numerical values from 0, incremented by one,

Do we have related documentation about this, or I just miss it?

> serving as abstraction layer between DTS and driver.
>
> None of these here are bindings.

Thanks for explaination. Will fix it in next revision.

Best regards,
Yao Zi