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Message-ID: <41500a04-b004-0e2c-20a1-3a3092b90e6d@linaro.org>
Date:   Fri, 9 Dec 2022 08:48:13 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Billy Tsai <billy_tsai@...eedtech.com>,
        "jdelvare@...e.com" <jdelvare@...e.com>,
        "linux@...ck-us.net" <linux@...ck-us.net>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "joel@....id.au" <joel@....id.au>,
        "andrew@...id.au" <andrew@...id.au>,
        "lee@...nel.org" <lee@...nel.org>,
        "thierry.reding@...il.com" <thierry.reding@...il.com>,
        "u.kleine-koenig@...gutronix.de" <u.kleine-koenig@...gutronix.de>,
        "corbet@....net" <corbet@....net>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-pwm@...r.kernel.org" <linux-pwm@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [v4 1/5] dt-bindings: mfd: Add aspeed pwm-tach binding

On 09/12/2022 01:54, Billy Tsai wrote:
>     > > However I am surprised to see such change, so I have no clue why this
>     > > was done.
> 
>     > Actually now I see it was like that in previous patch, I just missed it
>     > during previous review. Anyway this must be fixed.
> 
> I have two module (PWM and TACH) but share with the same base address,
> The PWM will use the offset (N*0x10) + 0x0 and 0x04.
> The TACH will use the offset (N*0x10) + 0x8 and 0x0c.
> The range of the N is 0~15.
> Can you give me some advice to fix this problem without using simple-mfd?


Use regular driver which populates children.

Best regards,
Krzysztof

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