From 0fbd2a822506a70da3b9ffb7216ea8d9ec776428 Mon Sep 17 00:00:00 2001 From: Siva Durga Prasad Paladugu Date: Tue, 8 Jan 2019 21:47:29 +0530 Subject: arm64: versal: Add mini eMMC configuration This patch adds mini eMMC configuration which has only emmc0 and emmc1 functionalities and can run from small amount of memory. This is required for memory constraint devices. Signed-off-by: Siva Durga Prasad Paladugu Signed-off-by: Michal Simek --- arch/arm/dts/versal-mini-emmc0.dts | 64 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 arch/arm/dts/versal-mini-emmc0.dts (limited to 'arch/arm/dts/versal-mini-emmc0.dts') diff --git a/arch/arm/dts/versal-mini-emmc0.dts b/arch/arm/dts/versal-mini-emmc0.dts new file mode 100644 index 0000000000..7f57d232b7 --- /dev/null +++ b/arch/arm/dts/versal-mini-emmc0.dts @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * dts file for Xilinx Versal Mini eMMC0 Configuration + * + * (C) Copyright 2018-2019, Xilinx, Inc. + * + * Siva Durga Prasad + * Michal Simek + */ + +/dts-v1/; + +/ { + compatible = "xlnx,versal"; + #address-cells = <2>; + #size-cells = <2>; + model = "Xilinx Versal MINI eMMC0"; + + clk25: clk25 { + compatible = "fixed-clock"; + #clock-cells = <0x0>; + clock-frequency = <25000000>; + }; + + dcc: dcc { + compatible = "arm,dcc"; + status = "okay"; + u-boot,dm-pre-reloc; + }; + + amba: amba { + u-boot,dm-pre-reloc; + compatible = "simple-bus"; + #address-cells = <0x2>; + #size-cells = <0x2>; + ranges; + + sdhci0: sdhci@f1040000 { + compatible = "xlnx,versal-8.9a", "arasan,sdhci-8.9a"; + status = "okay"; + reg = <0x0 0xf1040000 0x0 0x10000>; + clock-names = "clk_xin", "clk_ahb"; + clocks = <&clk25 &clk25>; + xlnx,device_id = <0>; + no-1-8-v; + xlnx,mio_bank = <0>; + #stream-id-cells = <1>; + }; + }; + + aliases { + serial0 = &dcc; + mmc0 = &sdhci0; + }; + + chosen { + stdout-path = "serial0:115200"; + }; + + memory@0 { + device_type = "memory"; + reg = <0x0 0x0 0x0 0x20000000>; + }; +}; -- cgit v1.2.3