[PATCH v2 2/2] clk: samsung: update PLL locktime for PLL142XX used on FSD platform
Varada Pavani
v.pavani at samsung.com
Tue Feb 25 05:19:18 PST 2025
Currently PLL142XX locktime is 270. As per spec, it should be 150. Hence
update PLL142XX controller locktime to 150.
Cc: stable at vger.kernel.org
Signed-off-by: Varada Pavani <v.pavani at samsung.com>
---
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
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