[PATCH v2 2/2] clk: samsung: update PLL locktime for PLL142XX used on FSD platform
From: Varada Pavani <hidden>
Date: 2025-02-25 13:29:04
Also in:
linux-clk, linux-samsung-soc, lkml, stable
Subsystem:
common clk framework, samsung soc clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Krzysztof Kozlowski, Sylwester Nawrocki, Chanwoo Choi, Peter Griffin, Linus Torvalds
Currently PLL142XX locktime is 270. As per spec, it should be 150. Hence update PLL142XX controller locktime to 150. Cc: stable@vger.kernel.org Signed-off-by: Varada Pavani <redacted> --- drivers/clk/samsung/clk-pll.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c
index 2e94bba6c396..023a25af73c4 100644
--- a/drivers/clk/samsung/clk-pll.c
+++ b/drivers/clk/samsung/clk-pll.c@@ -206,6 +206,7 @@ static const struct clk_ops samsung_pll3000_clk_ops = { */ /* Maximum lock time can be 270 * PDIV cycles */ #define PLL35XX_LOCK_FACTOR (270) +#define PLL142XX_LOCK_FACTOR (150) #define PLL35XX_MDIV_MASK (0x3FF) #define PLL35XX_PDIV_MASK (0x3F)
@@ -272,7 +273,11 @@ static int samsung_pll35xx_set_rate(struct clk_hw *hw, unsigned long drate, } /* Set PLL lock time. */ - writel_relaxed(rate->pdiv * PLL35XX_LOCK_FACTOR, + if (pll->type == pll_142xx) + writel_relaxed(rate->pdiv * PLL142XX_LOCK_FACTOR, + pll->lock_reg); + else + writel_relaxed(rate->pdiv * PLL35XX_LOCK_FACTOR, pll->lock_reg); /* Change PLL PMS values */
--
2.17.1