[PATCH 3/4] clk: meson: s4: pll: hifi_pll support fractional multiplier

Chuan Liu via B4 Relay devnull+chuan.liu.amlogic.com at kernel.org
Thu Sep 5 22:52:35 PDT 2024


From: Chuan Liu <chuan.liu at amlogic.com>

The s4's hifi_pll supports a fractional frequency multiplier, but frac
parameters are not configured in the driver.

Signed-off-by: Chuan Liu <chuan.liu at amlogic.com>
---
 drivers/clk/meson/s4-pll.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/meson/s4-pll.c b/drivers/clk/meson/s4-pll.c
index b0258933fb9d..a97e19057b05 100644
--- a/drivers/clk/meson/s4-pll.c
+++ b/drivers/clk/meson/s4-pll.c
@@ -329,7 +329,6 @@ static struct clk_regmap s4_gp0_pll = {
  * Internal hifi pll emulation configuration parameters
  */
 static const struct reg_sequence s4_hifi_init_regs[] = {
-	{ .reg = ANACTRL_HIFIPLL_CTRL1,	.def = 0x00010e56 },
 	{ .reg = ANACTRL_HIFIPLL_CTRL2,	.def = 0x00000000 },
 	{ .reg = ANACTRL_HIFIPLL_CTRL3,	.def = 0x6a285c00 },
 	{ .reg = ANACTRL_HIFIPLL_CTRL4,	.def = 0x65771290 },
@@ -354,6 +353,11 @@ static struct clk_regmap s4_hifi_pll_dco = {
 			.shift   = 10,
 			.width   = 5,
 		},
+		.frac = {
+			.reg_off = ANACTRL_HIFIPLL_CTRL1,
+			.shift   = 0,
+			.width   = 17,
+		},
 		.l = {
 			.reg_off = ANACTRL_HIFIPLL_CTRL0,
 			.shift   = 31,

-- 
2.42.0





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