[PATCH] riscv: dts: fu540-c000: drop "timebase-frequency"

[PATCH] riscv: dts: fu540-c000: drop "timebase-frequency"

[Paul Walmsley]

On FU540-based systems, the "timebase-frequency" (RTCCLK) is sourced
from an external crystal located on the PCB.  Thus the
timebase-frequency DT property should be defined by the board that
uses the SoC, not the SoC itself.  Drop the superfluous
timebase-frequency property from the SoC DT data.  (It's already
present in the board DT data.)

Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
---
 arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
index 9bf63f0ab253..42b5ec223100 100644
--- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
@@ -21,7 +21,6 @@
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		timebase-frequency = <1000000>;
 		cpu0: cpu@0 {
 			compatible = "sifive,e51", "sifive,rocket0", "riscv";
 			device_type = "cpu";
-- 
2.22.0

Re: [PATCH] riscv: dts: fu540-c000: drop "timebase-frequency"

[Bin Meng]

On Fri, Jul 26, 2019 at 5:31 AM Paul Walmsley <paul.walmsley@sifive.com> wrote:
>
>
> On FU540-based systems, the "timebase-frequency" (RTCCLK) is sourced
> from an external crystal located on the PCB.  Thus the
> timebase-frequency DT property should be defined by the board that
> uses the SoC, not the SoC itself.  Drop the superfluous
> timebase-frequency property from the SoC DT data.  (It's already
> present in the board DT data.)
>
> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
> ---
>  arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 1 -
>  1 file changed, 1 deletion(-)
>

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>