package/boot/uboot-mvebu/patches/133-arm64-dts-a3720-add-support-for-boards-with-populate.patch

   1 From 83908b6e2e5a7d7b0f4d040ffb4bf3ce6807b8fe Mon Sep 17 00:00:00 2001
   2 From: Andre Heider <a.heider@gmail.com>
   3 Date: Fri, 4 Sep 2020 15:44:41 +0200
   4 Subject: [PATCH] arm64: dts: a3720: add support for boards with populated emmc
   5
   6 Import armada-3720-espressobin-emmc.dts from Linux, but use sdhc1 for
   7 emmc, since sdhc0 is used for the sd card.
   8
   9 Signed-off-by: Andre Heider <a.heider@gmail.com>
  10 ---
  11  arch/arm/dts/Makefile                         |  1 +
  12  arch/arm/dts/armada-3720-espressobin-emmc.dts | 44 +++++++++++++++++++
  13  doc/README.marvell                            |  7 ++-
  14  3 files changed, 50 insertions(+), 2 deletions(-)
  15  create mode 100644 arch/arm/dts/armada-3720-espressobin-emmc.dts
  16
  17 --- a/arch/arm/dts/Makefile
  18 +++ b/arch/arm/dts/Makefile
  19 @@ -202,6 +202,7 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harm
  20  dtb-$(CONFIG_ARCH_MVEBU) +=                    \
  21         armada-3720-db.dtb                      \
  22         armada-3720-espressobin.dtb             \
  23 +       armada-3720-espressobin-emmc.dtb        \
  24         armada-3720-turris-mox.dtb              \
  25         armada-3720-uDPU.dtb                    \
  26         armada-375-db.dtb                       \
  27 --- /dev/null
  28 +++ b/arch/arm/dts/armada-3720-espressobin-emmc.dts
  29 @@ -0,0 +1,44 @@
  30 +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  31 +/*
  32 + * Device Tree file for Globalscale Marvell ESPRESSOBin Board with eMMC
  33 + * Copyright (C) 2018 Marvell
  34 + *
  35 + * Romain Perier <romain.perier@free-electrons.com>
  36 + * Konstantin Porotchkin <kostap@marvell.com>
  37 + *
  38 + */
  39 +/*
  40 + * Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schematics.pdf
  41 + */
  42 +
  43 +/dts-v1/;
  44 +
  45 +#include "armada-3720-espressobin.dtsi"
  46 +
  47 +/ {
  48 +       model = "Globalscale Marvell ESPRESSOBin Board (eMMC)";
  49 +       compatible = "globalscale,espressobin-emmc", "globalscale,espressobin",
  50 +                    "marvell,armada3720", "marvell,armada3710";
  51 +};
  52 +
  53 +/* U11 */
  54 +&sdhci1 {
  55 +       non-removable;
  56 +       bus-width = <8>;
  57 +       mmc-ddr-1_8v;
  58 +       mmc-hs400-1_8v;
  59 +       marvell,xenon-emmc;
  60 +       marvell,xenon-tun-count = <9>;
  61 +       marvell,pad-type = "fixed-1-8v";
  62 +
  63 +       pinctrl-names = "default";
  64 +       pinctrl-0 = <&mmc_pins>;
  65 +       status = "okay";
  66 +
  67 +       #address-cells = <1>;
  68 +       #size-cells = <0>;
  69 +       mmccard: mmccard@0 {
  70 +               compatible = "mmc-card";
  71 +               reg = <0>;
  72 +       };
  73 +};
  74 --- a/doc/README.marvell
  75 +++ b/doc/README.marvell
  76 @@ -43,8 +43,11 @@ Build Procedure
  77          In order to prevent this, the required device-tree MUST be set during compilation.
  78          All device-tree files are located in ./arch/arm/dts/ folder.
  79
  80 -       For other DB boards (MacchiatoBin, EspressoBin and 3700 DB board) compile u-boot with
  81 -       just default device-tree from defconfig using:
  82 +       For the EspressoBin board with populated eMMC device use
  83 +               # make DEVICE_TREE=armada-3720-espressobin-emmc
  84 +
  85 +       For other DB boards (MacchiatoBin, EspressoBin without soldered eMMC and 3700 DB board)
  86 +       compile u-boot with just default device-tree from defconfig using:
  87
  88                 # make
  89