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[178.79.73.218]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-427ea5b3c34sm16222568f8f.17.2025.10.20.10.52.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Oct 2025 10:52:22 -0700 (PDT) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Mark Brown , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Chen-Yu Tsai Cc: linux-sunxi@lists.linux.dev, linux-sound@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 06/11] clk: sunxi-ng: sun55i-a523-ccu: Lower audio0 pll minimum rate Date: Mon, 20 Oct 2025 19:52:20 +0200 Message-ID: <8591609.T7Z3S40VBb@jernej-laptop> In-Reply-To: <20251020171059.2786070-7-wens@kernel.org> References: <20251020171059.2786070-1-wens@kernel.org> <20251020171059.2786070-7-wens@kernel.org> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Dne ponedeljek, 20. oktober 2025 ob 19:10:52 Srednjeevropski poletni =C4=8D= as je Chen-Yu Tsai napisal(a): > While the user manual states that the PLL's rate should be between 180 > MHz and 3 GHz in the register defninition section, it also says the > actual operating frequency is 22.5792*4 MHz in the PLL features table. >=20 > 22.5792*4 MHz is one of the actual clock rates that we want and is > is available in the SDM table. Lower the minimum clock rate to 90 MHz > so that both rates in the SDM table can be used. So factor of 2 could be missed somewhere? >=20 > Fixes: 7cae1e2b5544 ("clk: sunxi-ng: Add support for the A523/T527 CCU PL= Ls") > Signed-off-by: Chen-Yu Tsai Reviewed-by: Jernej Skrabec Best regards, Jernej > --- > drivers/clk/sunxi-ng/ccu-sun55i-a523.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/drivers/clk/sunxi-ng/ccu-sun55i-a523.c b/drivers/clk/sunxi-n= g/ccu-sun55i-a523.c > index acb532f8361b..20dad06b37ca 100644 > --- a/drivers/clk/sunxi-ng/ccu-sun55i-a523.c > +++ b/drivers/clk/sunxi-ng/ccu-sun55i-a523.c > @@ -300,7 +300,7 @@ static struct ccu_nm pll_audio0_4x_clk =3D { > .m =3D _SUNXI_CCU_DIV(16, 6), > .sdm =3D _SUNXI_CCU_SDM(pll_audio0_sdm_table, BIT(24), > 0x178, BIT(31)), > - .min_rate =3D 180000000U, > + .min_rate =3D 90000000U, > .max_rate =3D 3000000000U, > .common =3D { > .reg =3D 0x078, >=20