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-rw-r--r--target/linux/lantiq/patches-4.4/0301-xrx200-add-gphy-clk-src-device-tree-binding.patch30
1 files changed, 30 insertions, 0 deletions
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 0000000000..227d1cf25a
--- /dev/null
+++ b/target/linux/lantiq/patches-4.4/0301-xrx200-add-gphy-clk-src-device-tree-binding.patch
@@ -0,0 +1,30 @@
+--- a/arch/mips/lantiq/xway/sysctrl.c
++++ b/arch/mips/lantiq/xway/sysctrl.c
+@@ -423,6 +423,20 @@ static void clkdev_add_clkout(void)
+ }
+ }
+
++static void set_phy_clock_source(struct device_node *np_cgu)
++{
++ u32 phy_clk_src, ifcc;
++
++ if (!np_cgu)
++ return;
++
++ if (of_property_read_u32(np_cgu, "lantiq,phy-clk-src", &phy_clk_src))
++ return;
++
++ ifcc = ltq_cgu_r32(ifccr) & ~(0x1c);
++ ltq_cgu_w32(ifcc | (phy_clk_src << 2), ifccr);
++}
++
+ /* bring up all register ranges that we need for basic system control */
+ void __init ltq_soc_init(void)
+ {
+@@ -608,4 +622,6 @@ void __init ltq_soc_init(void)
+
+ if (of_machine_is_compatible("lantiq,vr9"))
+ xbar_fpi_burst_disable();
++
++ set_phy_clock_source(np_cgu);
+ }