[PATCH] arm64: zynqmp: add ref_clk property for REFCLKPER calculation

[Michal Simek]

út 23. 8. 2022 v 15:03 odesílatel Michal Simek <michal.simek at amd.com> napsal:
>
> From: Piyush Mehta <piyush.mehta at amd.com>
>
> Added ref_clk 'ref' property for GUCTL_REFCLKPER and GFLADJ_REFCLK_FLADJ
> calculation. This property configure correct value for SOF/ITP counter
> and period of ref_clk.
> This patch adds 'ref' property for both dwc3_0 and dwc3_1 cores.
>
> Signed-off-by: Piyush Mehta <piyush.mehta at amd.com>
> Signed-off-by: Michal Simek <michal.simek at amd.com>
> ---
>
>  arch/arm/dts/zynqmp-clk-ccf.dtsi | 8 ++++++++
>  arch/arm/dts/zynqmp.dtsi         | 2 ++
>  2 files changed, 10 insertions(+)
>
> diff --git a/arch/arm/dts/zynqmp-clk-ccf.dtsi b/arch/arm/dts/zynqmp-clk-ccf.dtsi
> index 7b09d7515186..b99eb07b00a0 100644
> --- a/arch/arm/dts/zynqmp-clk-ccf.dtsi
> +++ b/arch/arm/dts/zynqmp-clk-ccf.dtsi
> @@ -260,11 +260,19 @@
>         assigned-clocks = <&zynqmp_clk USB0_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
>  };
>
> +&dwc3_0 {
> +       clocks = <&zynqmp_clk USB3_DUAL_REF>;
> +};
> +
>  &usb1 {
>         clocks = <&zynqmp_clk USB1_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
>         assigned-clocks = <&zynqmp_clk USB1_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
>  };
>
> +&dwc3_1 {
> +       clocks = <&zynqmp_clk USB3_DUAL_REF>;
> +};
> +
>  &watchdog0 {
>         clocks = <&zynqmp_clk WDT>;
>  };
> diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
> index 2aaec6cf5a15..f4184f79a577 100644
> --- a/arch/arm/dts/zynqmp.dtsi
> +++ b/arch/arm/dts/zynqmp.dtsi
> @@ -869,6 +869,7 @@
>                                 iommus = <&smmu 0x860>;
>                                 snps,quirk-frame-length-adjustment = <0x20>;
>                                 snps,refclk_fladj;
> +                               clock-names = "ref";
>                                 snps,enable_guctl1_resume_quirk;
>                                 snps,enable_guctl1_ipd_quirk;
>                                 snps,xhci-stream-quirk;
> @@ -900,6 +901,7 @@
>                                 iommus = <&smmu 0x861>;
>                                 snps,quirk-frame-length-adjustment = <0x20>;
>                                 snps,refclk_fladj;
> +                               clock-names = "ref";
>                                 snps,enable_guctl1_resume_quirk;
>                                 snps,enable_guctl1_ipd_quirk;
>                                 snps,xhci-stream-quirk;
> --
> 2.36.1
>

Applied.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs