arm64: dts: a3720: add support for espressobin with populated emmc

Import armada-3720-espressobin-emmc.dts from Linux, but use sdhc1 for
emmc, since our dtsi is still based on downstream and sdhc0 is used for
the sd card.

Signed-off-by: Andre Heider <a.heider@gmail.com>

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 0b9c4c5..b195723 100644 (file)
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -202,6 +202,7 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
 dtb-$(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                       \

diff --git a/arch/arm/dts/armada-3720-espressobin-emmc.dts b/arch/arm/dts/armada-3720-espressobin-emmc.dts
new file mode 100644 (file)
index 0000000..29ccb6a
--- /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>;
+       };
+};

diff --git a/doc/README.marvell b/doc/README.marvell
index 6fc5ac8..6f05ad4 100644 (file)
--- 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