Re: [PATCH 18/23] arm64: zynqmp: Setup clock for DP and DPDMA

Michal Simek
2023-05-16T11:11:36Z

On 5/2/23 15:35, Michal Simek wrote:
> Clocks are coming from shared HW design where these frequencies should be
> aligned with PLL setup.
>
> Signed-off-by: Michal Simek <michal.simek@amd.com>
> ---
>
> arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 4 ++++
> arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso | 2 ++
> arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso | 2 ++
> 3 files changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
> index 681885c9bcbb..581221fdadf1 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
> @@ -248,10 +248,14 @@ &xilinx_ams {
>
> &zynqmp_dpdma {
> clocks = <&zynqmp_clk DPDMA_REF>;
> + assigned-clocks = <&zynqmp_clk DPDMA_REF>; /* apll */
> };
>
> &zynqmp_dpsub {
> clocks = <&zynqmp_clk TOPSW_LSBUS>,
> <&zynqmp_clk DP_AUDIO_REF>,
> <&zynqmp_clk DP_VIDEO_REF>;
> + assigned-clocks = <&zynqmp_clk DP_STC_REF>,
> + <&zynqmp_clk DP_AUDIO_REF>,
> + <&zynqmp_clk DP_VIDEO_REF>; /* rpll, rpll, vpll */
> };
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
> index 817d756142ab..4f18b3efcced 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
> @@ -99,10 +99,12 @@ &zynqmp_dpsub {
> status = "disabled";
> phy-names = "dp-phy0", "dp-phy1";
> phys = <&psgtr 1 PHY_TYPE_DP 0 0>, <&psgtr 0 PHY_TYPE_DP 1 0>;
> + assigned-clock-rates = <27000000>, <25000000>, <300000000>;
> };
>
> &zynqmp_dpdma {
> status = "okay";
> + assigned-clock-rates = <600000000>;
> };
>
> &usb0 {
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
> index e07cec231ee0..77bc806b15a1 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
> @@ -80,10 +80,12 @@ &zynqmp_dpsub {
> status = "disabled";
> phy-names = "dp-phy0", "dp-phy1";
> phys = <&psgtr 1 PHY_TYPE_DP 0 0>, <&psgtr 0 PHY_TYPE_DP 1 0>;
> + assigned-clock-rates = <27000000>, <25000000>, <300000000>;
> };
>
> &zynqmp_dpdma {
> status = "okay";
> + assigned-clock-rates = <600000000>;
> };
>
> &usb0 {

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/Versal ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal/Versal NET SoCs
TF-A maintainer - Xilinx ZynqMP/Versal/Versal NET SoCs