openwrt/target/linux/lantiq/patches-4.19/0301-xrx200-add-gphy-clk-sr...

31 lines
720 B
Diff

--- a/arch/mips/lantiq/xway/sysctrl.c
+++ b/arch/mips/lantiq/xway/sysctrl.c
@@ -424,6 +424,20 @@ 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)
{
@@ -587,4 +601,6 @@ void __init ltq_soc_init(void)
clkdev_add_pmu("1e100400.serial", NULL, 1, 0, PMU_ASC0);
}
usb_set_clock();
+
+ set_phy_clock_source(np_cgu);
}