92 lines
2.8 KiB
Diff
92 lines
2.8 KiB
Diff
From 408bba2fb84ad0b02c3f9529065126b40899e256 Mon Sep 17 00:00:00 2001
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From: Andre Heider <a.heider@gmail.com>
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Date: Fri, 4 Sep 2020 15:44:41 +0200
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Subject: [PATCH] arm64: dts: a3720: add support for espressobin with
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populated emmc
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Import armada-3720-espressobin-emmc.dts from Linux, but use sdhc1 for
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emmc, since our dtsi is still based on downstream and sdhc0 is used for
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the sd card.
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Signed-off-by: Andre Heider <a.heider@gmail.com>
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---
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arch/arm/dts/Makefile | 1 +
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arch/arm/dts/armada-3720-espressobin-emmc.dts | 44 +++++++++++++++++++
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doc/README.marvell | 7 ++-
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3 files changed, 50 insertions(+), 2 deletions(-)
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create mode 100644 arch/arm/dts/armada-3720-espressobin-emmc.dts
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--- a/arch/arm/dts/Makefile
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+++ b/arch/arm/dts/Makefile
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@@ -202,6 +202,7 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harm
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dtb-$(CONFIG_ARCH_MVEBU) += \
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armada-3720-db.dtb \
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armada-3720-espressobin.dtb \
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+ armada-3720-espressobin-emmc.dtb \
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armada-3720-turris-mox.dtb \
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armada-3720-uDPU.dtb \
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armada-375-db.dtb \
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--- /dev/null
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+++ b/arch/arm/dts/armada-3720-espressobin-emmc.dts
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@@ -0,0 +1,44 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+/*
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+ * Device Tree file for Globalscale Marvell ESPRESSOBin Board with eMMC
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+ * Copyright (C) 2018 Marvell
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+ *
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+ * Romain Perier <romain.perier@free-electrons.com>
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+ * Konstantin Porotchkin <kostap@marvell.com>
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+ *
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+ */
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+/*
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+ * Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schematics.pdf
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+ */
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+
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+/dts-v1/;
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+
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+#include "armada-3720-espressobin.dtsi"
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+
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+/ {
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+ model = "Globalscale Marvell ESPRESSOBin Board (eMMC)";
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+ compatible = "globalscale,espressobin-emmc", "globalscale,espressobin",
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+ "marvell,armada3720", "marvell,armada3710";
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+};
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+
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+/* U11 */
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+&sdhci1 {
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+ non-removable;
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+ bus-width = <8>;
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+ mmc-ddr-1_8v;
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+ mmc-hs400-1_8v;
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+ marvell,xenon-emmc;
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+ marvell,xenon-tun-count = <9>;
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+ marvell,pad-type = "fixed-1-8v";
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+
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&mmc_pins>;
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+ status = "okay";
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+
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ mmccard: mmccard@0 {
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+ compatible = "mmc-card";
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+ reg = <0>;
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+ };
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+};
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--- a/doc/README.marvell
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+++ b/doc/README.marvell
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@@ -43,8 +43,11 @@ Build Procedure
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In order to prevent this, the required device-tree MUST be set during compilation.
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All device-tree files are located in ./arch/arm/dts/ folder.
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- For other DB boards (MacchiatoBin, EspressoBin and 3700 DB board) compile u-boot with
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- just default device-tree from defconfig using:
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+ For the EspressoBin board with populated eMMC device use
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+ # make DEVICE_TREE=armada-3720-espressobin-emmc
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+
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+ For other DB boards (MacchiatoBin, EspressoBin without soldered eMMC and 3700 DB board)
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+ compile u-boot with just default device-tree from defconfig using:
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# make
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