dts: mt7622: use accurate clock source fot mtk_timer

The input system clock for mt7622 timer is 10MHz and can be retrieved
through the clk driver.

Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>

diff --git a/arch/arm/dts/mt7622.dtsi b/arch/arm/dts/mt7622.dtsi
index d888545..5c2e025 100644 (file)
--- a/arch/arm/dts/mt7622.dtsi
+++ b/arch/arm/dts/mt7622.dtsi
@@ -71,16 +71,10 @@
                compatible = "mediatek,timer";
                reg = <0x10004000 0x80>;
                interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_LOW>;
-               clocks = <&system_clk>;
+               clocks = <&infracfg CLK_INFRA_APXGPT_PD>;
                clock-names = "system-clk";
        };
 
-       system_clk: dummy13m {
-               compatible = "fixed-clock";
-               clock-frequency = <13000000>;
-               #clock-cells = <0>;
-       };
-
        infracfg: infracfg@10000000 {
                compatible = "mediatek,mt7622-infracfg",
                             "syscon";