From: Denzeel Oliva <wachiturroxd150@gmail.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Alim Akhtar <alim.akhtar@samsung.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
Denzeel Oliva <wachiturroxd150@gmail.com>
Subject: [PATCH v5 1/5] clk: samsung: exynos990: Use PLL_CON0 for PLL parent muxes
Date: Sat, 30 Aug 2025 16:28:38 +0000 [thread overview]
Message-ID: <20250830-fix-cmu-top-v5-1-7c62f608309e@gmail.com> (raw)
In-Reply-To: <20250830-fix-cmu-top-v5-0-7c62f608309e@gmail.com>
Parent select bits for shared PLLs are in PLL_CON0, not PLL_CON3.
Using the wrong register leads to incorrect parent selection and rates.
Fixes: bdd03ebf721f ("clk: samsung: Introduce Exynos990 clock controller driver")
Signed-off-by: Denzeel Oliva <wachiturroxd150@gmail.com>
---
drivers/clk/samsung/clk-exynos990.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/clk/samsung/clk-exynos990.c b/drivers/clk/samsung/clk-exynos990.c
index 8d3f193d2b4d4c2146d9b8b57d76605b88dc9bbb..12e98bf5005ae2dc32da0da684a15133d64ed305 100644
--- a/drivers/clk/samsung/clk-exynos990.c
+++ b/drivers/clk/samsung/clk-exynos990.c
@@ -239,12 +239,19 @@ static const unsigned long top_clk_regs[] __initconst = {
PLL_LOCKTIME_PLL_SHARED2,
PLL_LOCKTIME_PLL_SHARED3,
PLL_LOCKTIME_PLL_SHARED4,
+ PLL_CON0_PLL_G3D,
PLL_CON3_PLL_G3D,
+ PLL_CON0_PLL_MMC,
PLL_CON3_PLL_MMC,
+ PLL_CON0_PLL_SHARED0,
PLL_CON3_PLL_SHARED0,
+ PLL_CON0_PLL_SHARED1,
PLL_CON3_PLL_SHARED1,
+ PLL_CON0_PLL_SHARED2,
PLL_CON3_PLL_SHARED2,
+ PLL_CON0_PLL_SHARED3,
PLL_CON3_PLL_SHARED3,
+ PLL_CON0_PLL_SHARED4,
PLL_CON3_PLL_SHARED4,
CLK_CON_MUX_MUX_CLKCMU_APM_BUS,
CLK_CON_MUX_MUX_CLKCMU_AUD_CPU,
@@ -689,13 +696,13 @@ PNAME(mout_cmu_vra_bus_p) = { "dout_cmu_shared0_div3",
static const struct samsung_mux_clock top_mux_clks[] __initconst = {
MUX(CLK_MOUT_PLL_SHARED0, "mout_pll_shared0", mout_pll_shared0_p,
- PLL_CON3_PLL_SHARED0, 4, 1),
+ PLL_CON0_PLL_SHARED0, 4, 1),
MUX(CLK_MOUT_PLL_SHARED1, "mout_pll_shared1", mout_pll_shared1_p,
- PLL_CON3_PLL_SHARED1, 4, 1),
+ PLL_CON0_PLL_SHARED1, 4, 1),
MUX(CLK_MOUT_PLL_SHARED2, "mout_pll_shared2", mout_pll_shared2_p,
- PLL_CON3_PLL_SHARED2, 4, 1),
+ PLL_CON0_PLL_SHARED2, 4, 1),
MUX(CLK_MOUT_PLL_SHARED3, "mout_pll_shared3", mout_pll_shared3_p,
- PLL_CON3_PLL_SHARED3, 4, 1),
+ PLL_CON0_PLL_SHARED3, 4, 1),
MUX(CLK_MOUT_PLL_SHARED4, "mout_pll_shared4", mout_pll_shared4_p,
PLL_CON0_PLL_SHARED4, 4, 1),
MUX(CLK_MOUT_PLL_MMC, "mout_pll_mmc", mout_pll_mmc_p,
--
2.50.1
next prev parent reply other threads:[~2025-08-30 16:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-30 16:28 [PATCH v5 0/5] clk: samsung: exynos990: CMU_TOP fixes (mux regs, widths, factors) Denzeel Oliva
2025-08-30 16:28 ` Denzeel Oliva [this message]
2025-08-31 10:54 ` [PATCH v5 1/5] clk: samsung: exynos990: Use PLL_CON0 for PLL parent muxes Krzysztof Kozlowski
2025-08-30 16:28 ` [PATCH v5 2/5] clk: samsung: exynos990: Fix CMU_TOP mux/div bit widths Denzeel Oliva
2025-08-30 16:28 ` [PATCH v5 3/5] clk: samsung: exynos990: Replace bogus divs with fixed-factor clocks Denzeel Oliva
2025-08-30 16:28 ` [PATCH v5 4/5] dt-bindings: clock: exynos990: Extend clocks IDs Denzeel Oliva
2025-08-30 16:28 ` [PATCH v5 5/5] clk: samsung: exynos990: Add DPU_BUS and CMUREF mux/div and update CLKS_NR_TOP Denzeel Oliva
2025-08-31 10:55 ` [PATCH v5 0/5] clk: samsung: exynos990: CMU_TOP fixes (mux regs, widths, factors) Krzysztof Kozlowski
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