arm64: dts: mt8173: Use real clock for UARTs

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: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index 30b2fdfc82101f20adadcc1fb6314f2442381365..9fbc4c190dc9f3449471e65c32679403537e2242 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -82,12 +82,6 @@
                cpu_on        = <0x84000003>;
        };
 
-       uart_clk: dummy26m {
-               compatible = "fixed-clock";
-               clock-frequency = <26000000>;
-               #clock-cells = <0>;
-       };
-
        clk26m: oscillator@0 {
                compatible = "fixed-clock";
                #clock-cells = <0>;
@@ -198,7 +192,8 @@
                                     "mediatek,mt6577-uart";
                        reg = <0 0x11002000 0 0x400>;
                        interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_LOW>;
-                       clocks = <&uart_clk>;
+                       clocks = <&pericfg CLK_PERI_UART0_SEL>, <&pericfg CLK_PERI_UART0>;
+                       clock-names = "baud", "bus";
                        status = "disabled";
                };
 
@@ -207,7 +202,8 @@
                                     "mediatek,mt6577-uart";
                        reg = <0 0x11003000 0 0x400>;
                        interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_LOW>;
-                       clocks = <&uart_clk>;
+                       clocks = <&pericfg CLK_PERI_UART1_SEL>, <&pericfg CLK_PERI_UART1>;
+                       clock-names = "baud", "bus";
                        status = "disabled";
                };
 
@@ -216,7 +212,8 @@
                                     "mediatek,mt6577-uart";
                        reg = <0 0x11004000 0 0x400>;
                        interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_LOW>;
-                       clocks = <&uart_clk>;
+                       clocks = <&pericfg CLK_PERI_UART2_SEL>, <&pericfg CLK_PERI_UART2>;
+                       clock-names = "baud", "bus";
                        status = "disabled";
                };
 
@@ -225,7 +222,8 @@
                                     "mediatek,mt6577-uart";
                        reg = <0 0x11005000 0 0x400>;
                        interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_LOW>;
-                       clocks = <&uart_clk>;
+                       clocks = <&pericfg CLK_PERI_UART3_SEL>, <&pericfg CLK_PERI_UART3>;
+                       clock-names = "baud", "bus";
                        status = "disabled";
                };
        };