From 3c1d89ff76e26765691eb17f5d2fd9f384890010 Mon Sep 17 00:00:00 2001 From: Aswath Govindraju Date: Fri, 28 Jan 2022 13:41:39 +0530 Subject: [PATCH] arm: dts: k3-j721e: Add support for PLL_CMNLC clocks in SerDes0 The PLL_CMNLC clocks are modelled as a child clock device of seirra. In the function device_probe, the corresponding clocks are probed before calling the device's probe. The PLL_CMNLC mux clock can only be created after the device's probe. Therefore, move assigned-clocks and assigned-clock-parents to the link nodes in U-Boot device tree file. Signed-off-by: Aswath Govindraju --- .../arm/dts/k3-j721e-common-proc-board-u-boot.dtsi | 10 +++++++++ arch/arm/dts/k3-j721e-r5-common-proc-board.dts | 24 ++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi index 3ca9b5c..938e978 100644 --- a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi +++ b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi @@ -232,3 +232,13 @@ &usb_serdes_mux { u-boot,mux-autoprobe; }; + +&serdes0 { + /delete-property/ assigned-clocks; + /delete-property/ assigned-clock-parents; +}; + +&serdes0_pcie_link { + assigned-clocks = <&serdes0 CDNS_SIERRA_PLL_CMNLC>; + assigned-clock-parents = <&wiz0_pll1_refclk>; +}; diff --git a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts index 4b2362a..8299463 100644 --- a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts +++ b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts @@ -8,6 +8,7 @@ #include "k3-j721e-som-p0.dtsi" #include "k3-j721e-ddr-evm-lp4-4266.dtsi" #include "k3-j721e-ddr.dtsi" +#include / { aliases { @@ -361,3 +362,26 @@ &mcu_udmap { ti,sci = <&dm_tifs>; }; + +&wiz0_pll1_refclk { + assigned-clocks = <&wiz0_pll1_refclk>; + assigned-clock-parents = <&cmn_refclk1>; +}; + +&wiz0_refclk_dig { + assigned-clocks = <&wiz0_refclk_dig>; + assigned-clock-parents = <&cmn_refclk1>; +}; + +&serdes0 { + assigned-clocks = <&serdes0 CDNS_SIERRA_PLL_CMNLC>; + assigned-clock-parents = <&wiz0_pll1_refclk>; + + serdes0_pcie_link: link@0 { + reg = <0>; + cdns,num-lanes = <1>; + #phy-cells = <0>; + cdns,phy-type = ; + resets = <&serdes_wiz0 1>; + }; +}; -- 2.7.4