diff --git a/arch/mips/ralink/mt7620.c b/arch/mips/ralink/mt7620.c
index da01e1f904b4..0d3d1a97895f 100644
--- a/arch/mips/ralink/mt7620.c
+++ b/arch/mips/ralink/mt7620.c
@@ -456,7 +456,10 @@ void __init ralink_clk_init(void)
 	ralink_clk_add("10000100.timer", periph_rate);
 	ralink_clk_add("10000120.watchdog", periph_rate);
 	ralink_clk_add("10000b00.spi", sys_rate);
+	ralink_clk_add("10000b40.spi", sys_rate);
 	ralink_clk_add("10000c00.uartlite", periph_rate);
+	ralink_clk_add("10000d00.uart1", periph_rate);
+	ralink_clk_add("10000e00.uart2", periph_rate);
 	ralink_clk_add("10180000.wmac", xtal_rate);
 
 	if (IS_ENABLED(CONFIG_USB) && !is_mt76x8()) {
diff --git a/arch/mips/ralink/rt305x.c b/arch/mips/ralink/rt305x.c
index 9e4572592065..d7c4ba43a428 100644
--- a/arch/mips/ralink/rt305x.c
+++ b/arch/mips/ralink/rt305x.c
@@ -201,6 +201,7 @@ void __init ralink_clk_init(void)
 	ralink_clk_add("cpu", cpu_rate);
 	ralink_clk_add("sys", sys_rate);
 	ralink_clk_add("10000b00.spi", sys_rate);
+	ralink_clk_add("10000b40.spi", sys_rate);
 	ralink_clk_add("10000100.timer", wdt_rate);
 	ralink_clk_add("10000120.watchdog", wdt_rate);
 	ralink_clk_add("10000500.uart", uart_rate);
diff --git a/arch/mips/ralink/rt3883.c b/arch/mips/ralink/rt3883.c
index 582995aaaf4e..fafec947b27d 100644
--- a/arch/mips/ralink/rt3883.c
+++ b/arch/mips/ralink/rt3883.c
@@ -109,6 +109,7 @@ void __init ralink_clk_init(void)
 	ralink_clk_add("10000120.watchdog", sys_rate);
 	ralink_clk_add("10000500.uart", 40000000);
 	ralink_clk_add("10000b00.spi", sys_rate);
+	ralink_clk_add("10000b40.spi", sys_rate);
 	ralink_clk_add("10000c00.uartlite", 40000000);
 	ralink_clk_add("10100000.ethernet", sys_rate);
 	ralink_clk_add("10180000.wmac", 40000000);