Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <e49dd22b-ebd8-609f-f181-8feae65e631c@linaro.org>
Date:   Fri, 12 Aug 2022 11:48:04 +0300
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101
 Thunderbird/91.12.0
Subject: Re: [PATCH v2 5/9] clk: samsung: exynos850: Implement CMU_AUD domain
Content-Language: en-US
To:     Sam Protsenko <semen.protsenko@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Sylwester Nawrocki <s.nawrocki@samsung.com>,
        Chanwoo Choi <cw00.choi@samsung.com>
Cc:     Alim Akhtar <alim.akhtar@samsung.com>,
        Chanho Park <chanho61.park@samsung.com>,
        David Virag <virag.david003@gmail.com>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Tomasz Figa <tomasz.figa@gmail.com>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-samsung-soc@vger.kernel.org
References: <20220809113323.29965-1-semen.protsenko@linaro.org>
 <20220809113323.29965-6-semen.protsenko@linaro.org>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20220809113323.29965-6-semen.protsenko@linaro.org>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 09/08/2022 14:33, Sam Protsenko wrote:
> CMU_AUD clock domain provides clocks for ABOX IP-core (audio subsystem).
> According to Exynos850 TRM, CMU_AUD generates Cortex-A32 clock, bus
> clock and audio clocks for BLK_AUD.
> 
> This patch adds next clocks:
>   - bus clocks in CMU_TOP needed for CMU_AUD
>   - all internal CMU_AUD clocks
>   - leaf clocks for Cortex-A32, Speedy FM, UAIF0..UAIF6 (Unified Audio
>     Interface), CNT (counter), ABOX IP-core, ASB (Asynchronous Bridge),
>     DAP (Debug Access Port), I2S Codec MCLK, D_TZPC (TrustZone
>     Protection Controller), GPIO, PPMU (Platform Performance Monitoring
>     Unit), SysMMU, SysReg and WDT
> 
> ABOX clock was marked as CLK_IGNORE_UNUSED, as system hangs on boot
> otherwise. Once ABOX driver is implemented, maybe it can be handled
> there instead.
> 
> Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


Best regards,
Krzysztof