From a3efa53c01100fc1aa015c37a258a50142cca708 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Wed, 23 Feb 2022 16:17:39 +0100 Subject: [PATCH] arm64: zynqmp: Use assigned-clock-rates for setting up clock in SOM With limited low level configuration done via psu-init only IPs connected on SOM are initialized and configured. All IPs connected to carrier card are not initialized. There is a need to do proper reset, pin configuration and also clock setting. The patch targets the last part which is setting up proper clock for USBs and SDs. Also setup proper bus width for SD cards. Signed-off-by: Michal Simek Signed-off-by: Sai Krishna Potthuri Link: https://lore.kernel.org/r/d9f80b2551bd246c3d7ecb09b516806c8dc83ed9.1645629459.git.michal.simek@xilinx.com --- arch/arm/dts/zynqmp-clk-ccf.dtsi | 4 ++++ arch/arm/dts/zynqmp-sck-kv-g-revA.dts | 2 ++ arch/arm/dts/zynqmp-sck-kv-g-revB.dts | 3 +++ arch/arm/dts/zynqmp-sm-k26-revA.dts | 1 + 4 files changed, 10 insertions(+) diff --git a/arch/arm/dts/zynqmp-clk-ccf.dtsi b/arch/arm/dts/zynqmp-clk-ccf.dtsi index 86b9907..7b09d75 100644 --- a/arch/arm/dts/zynqmp-clk-ccf.dtsi +++ b/arch/arm/dts/zynqmp-clk-ccf.dtsi @@ -215,10 +215,12 @@ &sdhci0 { clocks = <&zynqmp_clk SDIO0_REF>, <&zynqmp_clk LPD_LSBUS>; + assigned-clocks = <&zynqmp_clk SDIO0_REF>; }; &sdhci1 { clocks = <&zynqmp_clk SDIO1_REF>, <&zynqmp_clk LPD_LSBUS>; + assigned-clocks = <&zynqmp_clk SDIO1_REF>; }; &spi0 { @@ -255,10 +257,12 @@ &usb0 { clocks = <&zynqmp_clk USB0_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>; + assigned-clocks = <&zynqmp_clk USB0_BUS_REF>, <&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>; }; &watchdog0 { diff --git a/arch/arm/dts/zynqmp-sck-kv-g-revA.dts b/arch/arm/dts/zynqmp-sck-kv-g-revA.dts index 34fb592..f58ad69 100644 --- a/arch/arm/dts/zynqmp-sck-kv-g-revA.dts +++ b/arch/arm/dts/zynqmp-sck-kv-g-revA.dts @@ -154,6 +154,8 @@ no-1-8-v; disable-wp; xlnx,mio-bank = <1>; + assigned-clock-rates = <187498123>; + bus-width = <8>; }; &gem3 { /* required by spec */ diff --git a/arch/arm/dts/zynqmp-sck-kv-g-revB.dts b/arch/arm/dts/zynqmp-sck-kv-g-revB.dts index 35247b0..7236e03 100644 --- a/arch/arm/dts/zynqmp-sck-kv-g-revB.dts +++ b/arch/arm/dts/zynqmp-sck-kv-g-revB.dts @@ -109,6 +109,7 @@ pinctrl-0 = <&pinctrl_usb0_default>; phy-names = "usb3-phy"; phys = <&psgtr 2 PHY_TYPE_USB3 0 1>; + assigned-clock-rates = <250000000>, <20000000>; usb5744: usb-hub { /* u43 */ status = "okay"; @@ -140,6 +141,8 @@ clk-phase-sd-hs = <126>, <60>; clk-phase-uhs-sdr25 = <120>, <60>; clk-phase-uhs-ddr50 = <126>, <48>; + assigned-clock-rates = <187498123>; + bus-width = <8>; }; &gem3 { /* required by spec */ diff --git a/arch/arm/dts/zynqmp-sm-k26-revA.dts b/arch/arm/dts/zynqmp-sm-k26-revA.dts index 5f55df2..e9baf4c 100644 --- a/arch/arm/dts/zynqmp-sm-k26-revA.dts +++ b/arch/arm/dts/zynqmp-sm-k26-revA.dts @@ -189,6 +189,7 @@ disable-wp; bus-width = <8>; xlnx,mio-bank = <0>; + assigned-clock-rates = <187498123>; }; &spi1 { /* MIO6, 9-11 */ -- 2.7.4