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Message-ID: <186267bd495.c0d336602542450.72693939722996463@linux.beauty>
Date:   Mon, 06 Feb 2023 19:28:14 +0800
From:   Li Chen <me@...ux.beauty>
To:     "Krzysztof Kozlowski" <krzysztof.kozlowski@...aro.org>
Cc:     "li chen" <lchen@...arella.com>,
        "michael turquette" <mturquette@...libre.com>,
        "stephen boyd" <sboyd@...nel.org>,
        "rob herring" <robh+dt@...nel.org>,
        "krzysztof kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        "moderated list:arm/ambarella soc support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:common clk framework" <linux-clk@...r.kernel.org>,
        "open list:open firmware and flattened device tree bindings" 
        <devicetree@...r.kernel.org>,
        "open list" <linux-kernel@...r.kernel.org>,
        "arnd bergmann" <arnd@...db.de>
Subject: Re: [PATCH 07/15] dt-bindings: clock: Add Ambarella clock bindings

Hi Krzysztof ,

 ---- On Fri, 27 Jan 2023 23:08:09 +0800  Krzysztof Kozlowski  wrote --- 
 > On 27/01/2023 15:48, Li Chen wrote:
 > >  > 
 > >  > but what you are saying is that there is no separate clock controller
 > >  > device with its own IO address but these clocks are part of rct_syscon.
 > >  > Then model it that way in DTS. The rct_syscon is then your clock
 > >  > controller and all these fake gclk-core and gclk-ddr nodes should be gone.
 > > 
 > > Ok, I will remove these fake nodes, and model the hardware as:
 > > 
 > > rct_syscon node
 > > | clock node(pll, div, mux, composite  clocks live in the same driver)
 > > | other periphal nodes
 > 
 > You need clock node if it takes any resources. If it doesn't, you do not
 > need it.

If the only hardware resource the clock node can take is its parent clock(clocks = <&osc>;),
then can I have this clock node?

Regards,
Li

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