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[82.149.12.148]) by smtp.gmail.com with ESMTPSA id x24-20020a170906135800b00a25501f4160sm780675ejb.1.2023.12.19.08.47.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Dec 2023 08:47:01 -0800 (PST) From: Jernej =?utf-8?B?xaBrcmFiZWM=?= To: Michael Turquette , Stephen Boyd , Chen-Yu Tsai , Samuel Holland , Guido =?ISO-8859-1?Q?G=FCnther?= , Purism Kernel Team , Ondrej Jirman , Neil Armstrong , Jessica Zhang , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Frank Oltmanns Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Frank Oltmanns Subject: Re: [PATCH 2/5] clk: sunxi-ng: a64: Add constraints on PLL-MIPI's n/m ratio and parent rate Date: Tue, 19 Dec 2023 17:46:59 +0100 Message-ID: <4881920.31r3eYUQgx@jernej-laptop> In-Reply-To: <20231218-pinephone-pll-fixes-v1-2-e238b6ed6dc1@oltmanns.dev> References: <20231218-pinephone-pll-fixes-v1-0-e238b6ed6dc1@oltmanns.dev> <20231218-pinephone-pll-fixes-v1-2-e238b6ed6dc1@oltmanns.dev> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231219_084704_675284_C995243F X-CRM114-Status: GOOD ( 14.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Dne ponedeljek, 18. december 2023 ob 14:35:20 CET je Frank Oltmanns napisal(a): > The Allwinner A64 manual lists the following constraints for the > PLL-MIPI clock: > - M/N >= 3 Same as in previous patch, should be "<=". Best regards, Jernej > - (PLL_VIDEO0)/M >= 24MHz > > Use these constraints. > > Signed-off-by: Frank Oltmanns > --- > drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c > index 8951ffc14ff5..c034ac027d1c 100644 > --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c > +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c > @@ -176,6 +176,8 @@ static struct ccu_nkm pll_mipi_clk = { > .n = _SUNXI_CCU_MULT(8, 4), > .k = _SUNXI_CCU_MULT_MIN(4, 2, 2), > .m = _SUNXI_CCU_DIV(0, 4), > + .max_mn_ratio = 3, > + .parent_wo_nk = 24000000, > .common = { > .reg = 0x040, > .hw.init = CLK_HW_INIT("pll-mipi", "pll-video0", > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel