[OpenWrt-Devel] [PATCH 1/2] lantiq: add device tree binding for the phy clock source

[Mathias Kresin]

Signed-off-by: Mathias Kresin <openwrt at kresin.me>
---
 ...x200-add-gphy-clk-src-device-tree-binding.patch | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 target/linux/lantiq/patches-4.4/0301-xrx200-add-gphy-clk-src-device-tree-binding.patch

diff --git a/target/linux/lantiq/patches-4.4/0301-xrx200-add-gphy-clk-src-device-tree-binding.patch b/target/linux/lantiq/patches-4.4/0301-xrx200-add-gphy-clk-src-device-tree-binding.patch
new file mode 100644
index 0000000..7a4d239
--- /dev/null
+++ b/target/linux/lantiq/patches-4.4/0301-xrx200-add-gphy-clk-src-device-tree-binding.patch
@@ -0,0 +1,26 @@
+--- a/arch/mips/lantiq/xway/sysctrl.c
++++ b/arch/mips/lantiq/xway/sysctrl.c
+@@ -426,6 +426,8 @@ static void clkdev_add_clkout(void)
+ /* bring up all register ranges that we need for basic system control */
+ void __init ltq_soc_init(void)
+ {
++	int ret;
++	u32 phy_clk_src, ifcc;
+ 	struct resource res_pmu, res_cgu, res_ebu;
+ 	struct device_node *np_pmu =
+ 			of_find_compatible_node(NULL, NULL, "lantiq,pmu-xway");
+@@ -608,4 +610,14 @@ void __init ltq_soc_init(void)
+ 
+ 	if (of_machine_is_compatible("lantiq,vr9"))
+ 		xbar_fpi_burst_disable();
++
++	if (np_cgu) {
++		ret = of_property_read_u32(np_cgu, "lantiq,phy-clk-src",
++					   &phy_clk_src);
++
++		if (!ret) {
++			ifcc = ltq_cgu_r32(ifccr) & ~(0x1c);
++			ltq_cgu_w32(ifcc | (phy_clk_src << 2), ifccr);
++		}
++	}
+ }
-- 
1.9.1
_______________________________________________
openwrt-devel mailing list
openwrt-devel at lists.openwrt.org
https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel