[PATCH v13 4/4] arm: dts: mt2701: Use real clock for UARTs
From: Erin Lo <hidden>
Date: 2016-09-26 09:26:55
Also in:
linux-arm-kernel, linux-clk, linux-mediatek, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
We used to use a fixed rate clock for the UARTs. Now that we have clock support we can associate the correct clocks to the UARTs and drop the 26MHz fixed rate UART clock. Signed-off-by: Erin Lo <redacted> --- arch/arm/boot/dts/mt2701.dtsi | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-)
diff --git a/arch/arm/boot/dts/mt2701.dtsi b/arch/arm/boot/dts/mt2701.dtsi
index c9a8dbf..7eab6f4 100644
--- a/arch/arm/boot/dts/mt2701.dtsi
+++ b/arch/arm/boot/dts/mt2701.dtsi@@ -73,12 +73,6 @@ #clock-cells = <0>; }; - uart_clk: dummy26m { - compatible = "fixed-clock"; - clock-frequency = <26000000>; - #clock-cells = <0>; - }; - clk26m: oscillator@0 { compatible = "fixed-clock"; #clock-cells = <0>;
@@ -186,7 +180,8 @@ "mediatek,mt6577-uart"; reg = <0 0x11002000 0 0x400>; interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>; - clocks = <&uart_clk>; + clocks = <&pericfg CLK_PERI_UART0_SEL>, <&pericfg CLK_PERI_UART0>; + clock-names = "baud", "bus"; status = "disabled"; };
@@ -195,7 +190,8 @@ "mediatek,mt6577-uart"; reg = <0 0x11003000 0 0x400>; interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>; - clocks = <&uart_clk>; + clocks = <&pericfg CLK_PERI_UART1_SEL>, <&pericfg CLK_PERI_UART1>; + clock-names = "baud", "bus"; status = "disabled"; };
@@ -204,7 +200,8 @@ "mediatek,mt6577-uart"; reg = <0 0x11004000 0 0x400>; interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_LOW>; - clocks = <&uart_clk>; + clocks = <&pericfg CLK_PERI_UART2_SEL>, <&pericfg CLK_PERI_UART2>; + clock-names = "baud", "bus"; status = "disabled"; };
@@ -213,7 +210,8 @@ "mediatek,mt6577-uart"; reg = <0 0x11005000 0 0x400>; interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_LOW>; - clocks = <&uart_clk>; + clocks = <&pericfg CLK_PERI_UART3_SEL>, <&pericfg CLK_PERI_UART3>; + clock-names = "baud", "bus"; status = "disabled"; }; };
--
1.9.1