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From 83908b6e2e5a7d7b0f4d040ffb4bf3ce6807b8fe Mon Sep 17 00:00:00 2001
From: Andre Heider <a.heider@gmail.com>
Date: Fri, 4 Sep 2020 15:44:41 +0200
Subject: [PATCH] arm64: dts: a3720: add support for boards with populated emmc
Import armada-3720-espressobin-emmc.dts from Linux, but use sdhc1 for
emmc, since sdhc0 is used for the sd card.
Signed-off-by: Andre Heider <a.heider@gmail.com>
---
arch/arm/dts/Makefile | 1 +
arch/arm/dts/armada-3720-espressobin-emmc.dts | 44 +++++++++++++++++++
doc/README.marvell | 7 ++-
3 files changed, 50 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/dts/armada-3720-espressobin-emmc.dts
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -202,6 +202,7 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harm
dtb-$(CONFIG_ARCH_MVEBU) += \
armada-3720-db.dtb \
armada-3720-espressobin.dtb \
+ armada-3720-espressobin-emmc.dtb \
armada-3720-turris-mox.dtb \
armada-3720-uDPU.dtb \
armada-375-db.dtb \
--- /dev/null
+++ b/arch/arm/dts/armada-3720-espressobin-emmc.dts
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Device Tree file for Globalscale Marvell ESPRESSOBin Board with eMMC
+ * Copyright (C) 2018 Marvell
+ *
+ * Romain Perier <romain.perier@free-electrons.com>
+ * Konstantin Porotchkin <kostap@marvell.com>
+ *
+ */
+/*
+ * Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schematics.pdf
+ */
+
+/dts-v1/;
+
+#include "armada-3720-espressobin.dtsi"
+
+/ {
+ model = "Globalscale Marvell ESPRESSOBin Board (eMMC)";
+ compatible = "globalscale,espressobin-emmc", "globalscale,espressobin",
+ "marvell,armada3720", "marvell,armada3710";
+};
+
+/* U11 */
+&sdhci1 {
+ non-removable;
+ bus-width = <8>;
+ mmc-ddr-1_8v;
+ mmc-hs400-1_8v;
+ marvell,xenon-emmc;
+ marvell,xenon-tun-count = <9>;
+ marvell,pad-type = "fixed-1-8v";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc_pins>;
+ status = "okay";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ mmccard: mmccard@0 {
+ compatible = "mmc-card";
+ reg = <0>;
+ };
+};
--- a/doc/README.marvell
+++ b/doc/README.marvell
@@ -43,8 +43,11 @@ Build Procedure
In order to prevent this, the required device-tree MUST be set during compilation.
All device-tree files are located in ./arch/arm/dts/ folder.
- For other DB boards (MacchiatoBin, EspressoBin and 3700 DB board) compile u-boot with
- just default device-tree from defconfig using:
+ For the EspressoBin board with populated eMMC device use
+ # make DEVICE_TREE=armada-3720-espressobin-emmc
+
+ For other DB boards (MacchiatoBin, EspressoBin without soldered eMMC and 3700 DB board)
+ compile u-boot with just default device-tree from defconfig using:
# make
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