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 <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

1 files changed, 64 insertions, 0 deletions

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 <siva.durga.paladugu@xilinx.com>
+ * Michal Simek <michal.simek@xilinx.com>
+ */
+
+/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>;
+	};
+};