[PATCH 2/2] clk: samsung: Fixes PLL locktime for PLL142XX used on FSD platfom
Varada Pavani
v.pavani at samsung.com
Mon Sep 30 04:18:59 PDT 2024
Add PLL locktime for PLL142XX controller.
Fixes: 4f346005aaed ("clk: samsung: fsd: Add initial clock support")
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 4be879ab917e..d4c5ae20de4f 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
More information about the linux-arm-kernel
mailing list