[PATCH 3/3] clk: stm32mp: handle ck_usbo_48m clock provided by USBPHYC
Patrick Delaunay
patrick.delaunay at foss.st.com
Tue Apr 26 14:37:49 CEST 2022
Handle the input clock of RCC USB_PHY_48, provided by USBPHYC
and named "ck_usbo_48m".
Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
---
drivers/clk/clk_stm32mp1.c | 35 ++++++++++++++++++++---------------
1 file changed, 20 insertions(+), 15 deletions(-)
diff --git a/drivers/clk/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c
index 83ab6b728e..a02921c43a 100644
--- a/drivers/clk/clk_stm32mp1.c
+++ b/drivers/clk/clk_stm32mp1.c
@@ -962,6 +962,24 @@ static ulong stm32mp1_read_pll_freq(struct stm32mp1_clk_priv *priv,
return dfout;
}
+static ulong stm32mp1_clk_get_by_name(const char *name)
+{
+ struct clk clk;
+ struct udevice *dev = NULL;
+ ulong clock = 0;
+
+ if (!uclass_get_device_by_name(UCLASS_CLK, name, &dev)) {
+ if (clk_request(dev, &clk)) {
+ log_err("%s request", name);
+ } else {
+ clk.id = 0;
+ clock = clk_get_rate(&clk);
+ }
+ }
+
+ return clock;
+}
+
static ulong stm32mp1_clk_get(struct stm32mp1_clk_priv *priv, int p)
{
u32 reg;
@@ -1127,24 +1145,11 @@ static ulong stm32mp1_clk_get(struct stm32mp1_clk_priv *priv, int p)
break;
/* other */
case _USB_PHY_48:
- clock = 48000000;
+ clock = stm32mp1_clk_get_by_name("ck_usbo_48m");
break;
case _DSI_PHY:
- {
- struct clk clk;
- struct udevice *dev = NULL;
-
- if (!uclass_get_device_by_name(UCLASS_CLK, "ck_dsi_phy",
- &dev)) {
- if (clk_request(dev, &clk)) {
- log_err("ck_dsi_phy request");
- } else {
- clk.id = 0;
- clock = clk_get_rate(&clk);
- }
- }
+ clock = stm32mp1_clk_get_by_name("ck_dsi_phy");
break;
- }
default:
break;
}
--
2.25.1
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