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SubjectRe: [PATCH] riscv: dts: microchip: Define hart clocks
Date
On 16/06/2021 07:27, Bin Meng wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> From: Bin Meng <bin.meng@windriver.com>
>
> Declare that each hart in the DT is clocked by <&clkcfg 0>.
>
> Signed-off-by: Bin Meng <bin.meng@windriver.com>
>
> ---
> Similar to https://patchwork.kernel.org/project/linux-riscv/patch/1592308864-30205-3-git-send-email-yash.shah@sifive.com/,
> this adds the same <clock> property to PolarFire SoC CPU nodes so that we can
> calculate the running frequency of the hart.
>
> arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
> index a00d9dc560d3..0659068b62f7 100644
> --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
> +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
> @@ -24,6 +24,7 @@ cpu@0 {
> i-cache-size = <16384>;
> reg = <0>;
> riscv,isa = "rv64imac";
> + clocks = <&clkcfg 0>;
> status = "disabled";
>
> cpu0_intc: interrupt-controller {
> @@ -50,6 +51,7 @@ cpu@1 {
> reg = <1>;
> riscv,isa = "rv64imafdc";
> tlb-split;
> + clocks = <&clkcfg 0>;
> status = "okay";
>
> cpu1_intc: interrupt-controller {
> @@ -76,6 +78,7 @@ cpu@2 {
> reg = <2>;
> riscv,isa = "rv64imafdc";
> tlb-split;
> + clocks = <&clkcfg 0>;
> status = "okay";
>
> cpu2_intc: interrupt-controller {
> @@ -102,6 +105,7 @@ cpu@3 {
> reg = <3>;
> riscv,isa = "rv64imafdc";
> tlb-split;
> + clocks = <&clkcfg 0>;
> status = "okay";
>
> cpu3_intc: interrupt-controller {
> @@ -128,6 +132,7 @@ cpu@4 {
> reg = <4>;
> riscv,isa = "rv64imafdc";
> tlb-split;
> + clocks = <&clkcfg 0>;
> status = "okay";
> cpu4_intc: interrupt-controller {
> #interrupt-cells = <1>;
> --
> 2.25.1
>

Reviewed-by: conor dooley<conor.dooley@microchip.com>

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> linux-riscv@lists.infradead.org
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