[RFC,2/8] clk: imx: add imx_dt_clk_name() helper to use clock-output-names
diff mbox series

Message ID 20221019172019.2303223-3-dario.binacchi@amarulasolutions.com
State New
Headers show
Series
  • clk: imx8mn: setup clocks by device tree
Related show

Commit Message

Dario Binacchi Oct. 19, 2022, 5:20 p.m. UTC 
Let's create the clock alias based on the clock-output-names property if
available. Also the component clock drivers can use imx_dt_clk_name() in
the following patches.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

 drivers/clk/imx/clk.c | 11 +++++++++++
 drivers/clk/imx/clk.h |  2 ++
 2 files changed, 13 insertions(+)

Patch
diff mbox series 

diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c
index 7cc669934253..96db803647f4 100644
--- a/drivers/clk/imx/clk.c
+++ b/drivers/clk/imx/clk.c
@@ -17,6 +17,17 @@ 
 DEFINE_SPINLOCK(imx_ccm_lock);
 EXPORT_SYMBOL_GPL(imx_ccm_lock);
 
+const char *imx_dt_clk_name(struct device_node *np)
+{
+	const char *name;
+
+	if (!of_property_read_string_index(np, "clock-output-names", 0,
+					   &name))
+		return name;
+
+	return np->name;
+}
+
 void imx_unregister_clocks(struct clk *clks[], unsigned int count)
 {
 	unsigned int i;
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 802afb3481c4..e3262ce035f7 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -99,6 +99,8 @@  struct imx_clk_iomap {
 	u16 offset;
 };
 
+const char *imx_dt_clk_name(struct device_node *np);
+
 struct clk_hw *imx_clk_fracn_gppll(const char *name, const char *parent_name, void __iomem *base,
 				   const struct imx_fracn_gppll_clk *pll_clk);