[U-Boot] [PATCH 3/8] clk: imx: imx6q: Implement ENET clocks
Jagan Teki
jagan at amarulasolutions.com
Mon Jul 30 12:56:20 UTC 2018
Add support for ENET clock on i.MX6QDL platform.
Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
Reviewed-by: Joe Hershberger <joe.hershberger at ni.com>
---
drivers/clk/imx/clk_imx6q.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/drivers/clk/imx/clk_imx6q.c b/drivers/clk/imx/clk_imx6q.c
index 3019218411..039aa9b1b1 100644
--- a/drivers/clk/imx/clk_imx6q.c
+++ b/drivers/clk/imx/clk_imx6q.c
@@ -26,7 +26,7 @@ static ulong imx6q_clk_get_rate(struct clk *clk)
static ulong imx6q_clk_set_rate(struct clk *clk, ulong rate)
{
- debug("%s(#%ld, rate: %lu)\n", __func__, clk->id, rate);
+ debug("%s(#%ld)\n", __func__, clk->id);
debug(" unhandled\n");
return -EINVAL;
@@ -34,10 +34,20 @@ static ulong imx6q_clk_set_rate(struct clk *clk, ulong rate)
static int imx6q_clk_enable(struct clk *clk)
{
+ struct imx6q_clk_priv *priv = dev_get_priv(clk->dev);
+
debug("%s(#%ld)\n", __func__, clk->id);
- debug(" unhandled\n");
- return -EINVAL;
+ switch (clk->id) {
+ case IMX6QDL_CLK_ENET:
+ setbits_le32(priv->base + 0x6c, GENMASK(11, 10));
+ return 0;
+ case IMX6QDL_CLK_ENET_REF:
+ return enable_fec_anatop_clock(0, ENET_50MHZ);
+ default:
+ printf(" unhandled\n");
+ return -ENODEV;
+ }
}
static struct clk_ops imx6q_clk_ops = {
--
2.18.0.321.gffc6fa0e3
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