linux-kernel - Re: [PATCH v15 2/2] clk: nuvoton: Add clock driver for ma35d1 clock controller

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Date:   Mon, 19 Jun 2023 16:25:36 +0800
From:   Jacky Huang <ychuang570808@...il.com>
To:     Arnd Bergmann <arnd@...db.de>, Rob Herring <robh+dt@...nel.org>,
        krzysztof.kozlowski+dt@...aro.org, Lee Jones <lee@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Tomer Maimon <tmaimon77@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-serial@...r.kernel.org, soc@...nel.org, schung@...oton.com,
        mjchen@...oton.com, Jacky Huang <ychuang3@...oton.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v15 2/2] clk: nuvoton: Add clock driver for ma35d1 clock
 controller



On 2023/6/19 下午 04:12, Arnd Bergmann wrote:
> On Mon, Jun 19, 2023, at 05:30, Jacky Huang wrote:
>> From: Jacky Huang <ychuang3@...oton.com>
>>
>> The clock controller generates clocks for the whole chip, including
>> system clocks and all peripheral clocks. This driver support ma35d1
>> clock gating, divider, and individual PLL configuration.
>>
>> There are 6 PLLs in ma35d1 SoC:
>>    - CA-PLL for the two Cortex-A35 CPU clock
>>    - SYS-PLL for system bus, which comes from the companion MCU
>>      and cannot be programmed by clock controller.
>>    - DDR-PLL for DDR
>>    - EPLL for GMAC and GFX, Display, and VDEC IPs.
>>    - VPLL for video output pixel clock
>>    - APLL for SDHC, I2S audio, and other IPs.
>> CA-PLL has only one operation mode.
>> DDR-PLL, EPLL, VPLL, and APLL are advanced PLLs which have 3
>> operation modes: integer mode, fraction mode, and spread specturm mode.
>>
>> Signed-off-by: Jacky Huang <ychuang3@...oton.com>
>> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Hi Jacky,
>
> Since I have already picked up the previous version of this patch,
> please send a diff against the version I merged please.
>
>       Arnd

Dear Arnd,

I got it. Thank you.
I will send a diff version based on the previous patch.


Best regards,
Jacky Huang