RE: [PATCH v3 3/5] clk: samsung: clk-pll: Add support for pll_1061x
"Alim Akhtar" <[email protected]> Wed, 29 Jul 2026 10:42:49 +0530
| Newsgroups | org.kernel.vger.linux-samsung-soc,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-clk,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
Hi Alexandru > -----Original Message----- > From: Alexandru Chimac <alex=40chimac.ro> > Sent: Thursday, July 23, 2026 2:14 AM > To: Krzysztof Kozlowski <krzk=40kernel.org>; Sylwester Nawrocki > <s.nawrocki=40samsung.com>; Chanwoo Choi <cw00.choi=40samsung.com>; > Peter Griffin <peter.griffin=40linaro.org>; Alim Akhtar > <alim.akhtar=40samsung.com>; Michael Turquette > <mturquette=40baylibre.com>; Stephen Boyd <sboyd=40kernel.org>; Brian > Masney <bmasney=40redhat.com>; Rob Herring <robh=40kernel.org>; Conor > Dooley <conor+dt=40kernel.org>; Alexandru Chimac <alex=40chimac.ro>; > Krzysztof Kozlowski <krzk+dt=40kernel.org> > Cc: linux-samsung-soc=40vger.kernel.org; linux-clk=40vger.kernel.org; > devicetree=40vger.kernel.org; linux-arm-kernel=40lists.infradead.org; lin= ux- > kernel=40vger.kernel.org > Subject: =5BPATCH v3 3/5=5D clk: samsung: clk-pll: Add support for pll_10= 61x >=20 > These PLLs are found in the Exynos9610 and Exynos9810 SoCs, and are simil= ar > to pll_1460x (using CON3 instead of CON1), so the code for that can handl= e > this PLL with a few small adaptations. >=20 It is good to mention that PLL_1061x is a fractional type PLL and used to s= upply BLK_MMC and AUD, atleast on 9610 SoC > Signed-off-by: Alexandru Chimac <alex=40chimac.ro> > --- > drivers/clk/samsung/clk-pll.c =7C 29 ++++++++++++++++++++++------- > drivers/clk/samsung/clk-pll.h =7C 1 + > 2 files changed, 23 insertions(+), 7 deletions(-) >=20 > diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.= c index > e74552846ba3..2cda87235fa2 100644 > --- a/drivers/clk/samsung/clk-pll.c > +++ b/drivers/clk/samsung/clk-pll.c > =40=40 -781,15 +781,20 =40=40 static unsigned long > samsung_pll46xx_recalc_rate(struct clk_hw *hw, > u64 fvco =3D parent_rate; >=20 > pll_con0 =3D readl_relaxed(pll->con_reg); > - pll_con1 =3D readl_relaxed(pll->con_reg + 4); > - mdiv =3D (pll_con0 >> PLL46XX_MDIV_SHIFT) & ((pll->type =3D=3D > pll_1460x) ? > + if (pll->type =3D=3D pll_1061x) > + pll_con1 =3D readl_relaxed(pll->con_reg + 0xc); Actually this is PLL_CON3 in UM, not suggesting to use a new variable but a= comment here will help.=20 Thanks=21