From 637902f7c407268391434c2bd3455d35d3a74c84 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Tue, 2 May 2023 15:35:39 +0200 Subject: [PATCH] arm64: zynqmp: Use assigned-clock-rates for setting up SD 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 EMMC on production SOMs and SD on kv260-revB. Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/cf5a4e412e1674500a71a0b1eed7fa8393f37ae9.1683034376.git.michal.simek@amd.com --- arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 5 ++++- arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso | 1 + arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso | 1 + arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts | 1 + 4 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi index 5e7e1bf..681885c 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi @@ -2,7 +2,8 @@ /* * Clock specification for Xilinx ZynqMP * - * (C) Copyright 2017 - 2021, Xilinx, Inc. + * (C) Copyright 2017 - 2022, Xilinx, Inc. + * (C) Copyright 2022 - 2023, Advanced Micro Devices, Inc. * * Michal Simek */ @@ -185,10 +186,12 @@ &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 { 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 b610e65..22fe9c4 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 @@ -132,6 +132,7 @@ no-1-8-v; disable-wp; xlnx,mio-bank = <1>; + assigned-clock-rates = <187498123>; }; &gem3 { /* required by spec */ 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 a52dafb..ca3429f 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 @@ -115,6 +115,7 @@ clk-phase-sd-hs = <126>, <60>; clk-phase-uhs-sdr25 = <120>, <60>; clk-phase-uhs-ddr50 = <126>, <48>; + assigned-clock-rates = <187498123>; }; &gem3 { /* required by spec */ diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts index 00c0455..d8b2c30 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts @@ -178,6 +178,7 @@ disable-wp; bus-width = <8>; xlnx,mio-bank = <0>; + assigned-clock-rates = <187498123>; }; &spi1 { /* MIO6, 9-11 */ -- 2.7.4