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[91.139.201.119]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38f259d8e62sm28861189f8f.71.2025.02.23.03.56.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Feb 2025 03:56:06 -0800 (PST) From: Ivaylo Ivanov To: Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Rob Herring , Conor Dooley Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] clk: samsung: clk-pll: add support for pll_4311 Date: Sun, 23 Feb 2025 13:55:59 +0200 Message-ID: <20250223115601.723886-3-ivo.ivanov.ivanov1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250223115601.723886-1-ivo.ivanov.ivanov1@gmail.com> References: <20250223115601.723886-1-ivo.ivanov.ivanov1@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250223_035609_009232_00CC71EB X-CRM114-Status: GOOD ( 15.05 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org pll4311 (also known in the vendor kernel as frd_4311_rpll) is a PLL used in the Exynos2200 SoC. It's an integer/fractional PLL with mid frequency FVCO (650 to 3500Mhz). The PLL is functionally similar enough to pll531x, so the same code can handle both. Locktime for pll4311 is 500 - the same as the pll531x lock factor. MDIV, PDIV, SDIV and FDIV masks and bit shifts are also the same as pll531x. When defining a PLL, the "con" parameter should be set to CON3 register, like this: PLL(pll_4311, CLK_FOUT_SHARED0_PLL, "fout_shared0_pll", "oscclk", PLL_LOCKTIME_PLL_SHARED0, PLL_CON3_PLL_SHARED0, NULL), Signed-off-by: Ivaylo Ivanov --- drivers/clk/samsung/clk-pll.c | 1 + drivers/clk/samsung/clk-pll.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c index 2e94bba6c..d2b5b525c 100644 --- a/drivers/clk/samsung/clk-pll.c +++ b/drivers/clk/samsung/clk-pll.c @@ -1460,6 +1460,7 @@ static void __init _samsung_clk_register_pll(struct samsung_clk_provider *ctx, init.ops = &samsung_pll2650xx_clk_ops; break; case pll_531x: + case pll_4311: init.ops = &samsung_pll531x_clk_ops; break; default: diff --git a/drivers/clk/samsung/clk-pll.h b/drivers/clk/samsung/clk-pll.h index 6ddc54d17..e9a5f8e0e 100644 --- a/drivers/clk/samsung/clk-pll.h +++ b/drivers/clk/samsung/clk-pll.h @@ -48,6 +48,7 @@ enum samsung_pll_type { pll_0717x, pll_0718x, pll_0732x, + pll_4311, }; #define PLL_RATE(_fin, _m, _p, _s, _k, _ks) \