drivers: clock: stm32mp13: rename frac-v binding into fracn

Rename the frac-v PLL binding into fracn in order to make it
consistent with other STM32 PLL bindings.
This commit also correct the range which should be 0 - 8191.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>

Author: Alain Volmat

boards/st/stm32mp135f_dk/stm32mp135f_dk.dts

@@ -85,7 +85,7 @@
 	div-m = <2>;
 	mul-n = <83>;
 	div-p = <1>;
-	frac-v = <2730>;
+	fracn = <2730>;
 	status = "okay";
 };
 

drivers/clock_control/clock_stm32_ll_mp13.c

@@ -173,7 +173,7 @@ static int stm32_clock_control_init(const struct device *dev)
 	uint32_t pll1_n = DT_PROP(DT_NODELABEL(pll1), mul_n);
 	uint32_t pll1_m = DT_PROP(DT_NODELABEL(pll1), div_m);
 	uint32_t pll1_p = DT_PROP(DT_NODELABEL(pll1), div_p);
-	uint32_t pll1_v = DT_PROP(DT_NODELABEL(pll1), frac_v);
+	uint32_t pll1_fracn = DT_PROP(DT_NODELABEL(pll1), fracn);
 
 	LL_RCC_PLL1_SetN(pll1_n);
 	while (LL_RCC_PLL1_GetN() != pll1_n) {
@@ -184,8 +184,8 @@ static int stm32_clock_control_init(const struct device *dev)
 	LL_RCC_PLL1_SetP(pll1_p);
 	while (LL_RCC_PLL1_GetP() != pll1_p) {
 	}
-	LL_RCC_PLL1_SetFRACV(pll1_v);
-	while (LL_RCC_PLL1_GetFRACV() != pll1_v) {
+	LL_RCC_PLL1_SetFRACV(pll1_fracn);
+	while (LL_RCC_PLL1_GetFRACV() != pll1_fracn) {
 	}
 
 	LL_RCC_PLL1_Enable();

dts/bindings/clock/st,stm32mp13-pll-clock.yaml

@@ -80,8 +80,8 @@ properties:
         PLLx DIVR division factor
         Valid range: 1 - 128
 
-  frac-v:
+  fracn:
     type: int
     description: |
         PLLx FRACV fractional latch
-        Valid range: 1 - 8192
+        Valid range: 0 - 8191