[][Kernel][mt7988][uart][change to configure uart clock in dtsi file]
[Description]
Change to configure uart clock in dtsi file.
[Release-log]
N/A
Change-Id: I449c7964cfe18a6d9c502773559981a75df8cbb5
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6854280
diff --git a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988.dtsi b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988.dtsi
index e7f5b6d..8e08930 100644
--- a/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988.dtsi
+++ b/target/linux/mediatek/files-5.4/arch/arm64/boot/dts/mediatek/mt7988.dtsi
@@ -338,12 +338,6 @@
#clock-cells = <0>;
};
- uart_clk: dummy_uart_clk {
- compatible = "fixed-clock";
- clock-frequency = <40000000>;
- #clock-cells = <0>;
- };
-
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&gic>;
@@ -395,7 +389,12 @@
"mediatek,mt6577-uart";
reg = <0 0x11000000 0 0x100>;
interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&uart_clk>;
+ clocks = <&infracfg_ao CK_INFRA_52M_UART0_CK>;
+ clock-names = "bus";
+ assigned-clocks = <&topckgen CK_TOP_UART_SEL>,
+ <&infracfg_ao CK_INFRA_MUX_UART0_SEL>;
+ assigned-clock-parents = <&topckgen CK_TOP_CB_CKSQ_40M>,
+ <&infracfg CK_INFRA_UART_O0>;
status = "disabled";
};
@@ -404,7 +403,12 @@
"mediatek,mt6577-uart";
reg = <0 0x11000100 0 0x100>;
interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&uart_clk>;
+ clocks = <&infracfg_ao CK_INFRA_52M_UART1_CK>;
+ clock-names = "bus";
+ assigned-clocks = <&topckgen CK_TOP_UART_SEL>,
+ <&infracfg_ao CK_INFRA_MUX_UART1_SEL>;
+ assigned-clock-parents = <&topckgen CK_TOP_CB_CKSQ_40M>,
+ <&infracfg CK_INFRA_UART_O1>;
status = "disabled";
};
@@ -413,7 +417,12 @@
"mediatek,mt6577-uart";
reg = <0 0x11000200 0 0x100>;
interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&uart_clk>;
+ clocks = <&infracfg_ao CK_INFRA_52M_UART2_CK>;
+ clock-names = "bus";
+ assigned-clocks = <&topckgen CK_TOP_UART_SEL>,
+ <&infracfg_ao CK_INFRA_MUX_UART2_SEL>;
+ assigned-clock-parents = <&topckgen CK_TOP_CB_CKSQ_40M>,
+ <&infracfg CK_INFRA_UART_O2>;
status = "disabled";
};