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clk: samsung: exynos990: Use PLL_CON0 for PLL parent muxes

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commit 19b50ab02e upstream.

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: bdd03ebf72 ("clk: samsung: Introduce Exynos990 clock controller driver")
Signed-off-by: Denzeel Oliva <wachiturroxd150@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20250830-fix-cmu-top-v5-1-7c62f608309e@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Denzeel Oliva
2025-08-30 16:28:38 +00:00
committed by Greg Kroah-Hartman
parent 52957e1810
commit c33f4f752d
1 changed files with 11 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/clk/samsung/clk-exynos990.c
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@@ -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,