[PATCH v4 6/6] ARM: dts: wpcm450: Switch clocks to clock controller

Jonathan Neuschäfer j.neuschaefer at gmx.net
Fri Jun 10 17:21:41 AEST 2022


This change is incompatible with older kernels because it requires the
clock controller driver, but I think that's acceptable because WPCM450
support is generally still in an early phase.

Signed-off-by: Jonathan Neuschäfer <j.neuschaefer at gmx.net>
---

v2-v4:
- no changes
---
 arch/arm/boot/dts/nuvoton-wpcm450.dtsi | 20 +++++++++-----------
 1 file changed, 9 insertions(+), 11 deletions(-)

diff --git a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
index 332cc222c7dc5..439f9047ad651 100644
--- a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
+++ b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
@@ -2,6 +2,7 @@
 // Copyright 2021 Jonathan Neuschäfer

 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/clock/nuvoton,wpcm450-clk.h>

 / {
 	compatible = "nuvoton,wpcm450";
@@ -30,13 +31,6 @@ cpu at 0 {
 		};
 	};

-	clk24m: clock-24mhz {
-		/* 24 MHz dummy clock */
-		compatible = "fixed-clock";
-		clock-frequency = <24000000>;
-		#clock-cells = <0>;
-	};
-
 	refclk: clock-48mhz {
 		/* 48 MHz reference oscillator */
 		compatible = "fixed-clock";
@@ -71,7 +65,7 @@ serial0: serial at b8000000 {
 			reg = <0xb8000000 0x20>;
 			reg-shift = <2>;
 			interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&clk24m>;
+			clocks = <&clk WPCM450_CLK_UART0>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&bsp_pins>;
 			status = "disabled";
@@ -82,7 +76,7 @@ serial1: serial at b8000100 {
 			reg = <0xb8000100 0x20>;
 			reg-shift = <2>;
 			interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&clk24m>;
+			clocks = <&clk WPCM450_CLK_UART1>;
 			status = "disabled";
 		};

@@ -90,14 +84,18 @@ timer0: timer at b8001000 {
 			compatible = "nuvoton,wpcm450-timer";
 			interrupts = <12 IRQ_TYPE_LEVEL_HIGH>;
 			reg = <0xb8001000 0x1c>;
-			clocks = <&clk24m>;
+			clocks = <&clk WPCM450_CLK_TIMER0>,
+				 <&clk WPCM450_CLK_TIMER1>,
+				 <&clk WPCM450_CLK_TIMER2>,
+				 <&clk WPCM450_CLK_TIMER3>,
+				 <&clk WPCM450_CLK_TIMER4>;
 		};

 		watchdog0: watchdog at b800101c {
 			compatible = "nuvoton,wpcm450-wdt";
 			interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
 			reg = <0xb800101c 0x4>;
-			clocks = <&clk24m>;
+			clocks = <&clk WPCM450_CLK_WDT>;
 		};

 		aic: interrupt-controller at b8002000 {
--
2.35.1



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