[RFC PATCH] ARM: dts: rk3036: override operating-points to 600M on kylin board

Caesar Wang wxt at rock-chips.com
Fri Jan 8 23:27:57 PST 2016


That's a hack way to make the emac working.
Let the CPU can divide out the clock since the emac depends on
the 50M clock to work.

Moment, we add the hacy way to make the emac working firstly.
We can revert it if we find the apll or other issues.

Signed-off-by: Caesar Wang <wxt at rock-chips.com>

---

 arch/arm/boot/dts/rk3036-kylin.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/rk3036-kylin.dts b/arch/arm/boot/dts/rk3036-kylin.dts
index 992f9ca..1d0441c 100644
--- a/arch/arm/boot/dts/rk3036-kylin.dts
+++ b/arch/arm/boot/dts/rk3036-kylin.dts
@@ -60,6 +60,13 @@
 	status = "okay";
 };
 
+&cpu0 {
+	operating-points = <
+		/* KHz    uV */
+		 600000 1000000
+	>;
+};
+
 &emmc {
 	status = "okay";
 };
-- 
1.9.1




More information about the Linux-rockchip mailing list