clk: samsung: update PLL locktime for PLL142XX used on FSD platform

commit 53517a70873c7a91675f7244768aad5006cc45de upstream.

Currently PLL142XX locktime is 270. As per spec, it should be 150. Hence
update PLL142XX controller locktime to 150.

Cc: stable@vger.kernel.org
Fixes: 4f346005aaed ("clk: samsung: fsd: Add initial clock support")
Signed-off-by: Varada Pavani <v.pavani@samsung.com>
Link: https://lore.kernel.org/r/20250225131918.50925-3-v.pavani@samsung.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c
index cca3e630922c1487c76aa92999d6c1896c156b06..68a72f5fd9a5a6e6201a32875d4e99304a228a86 100644 (file)
--- 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 */