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

   1 From 408bba2fb84ad0b02c3f9529065126b40899e256 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 espressobin with
   5  populated emmc
   6
   7 Import armada-3720-espressobin-emmc.dts from Linux, but use sdhc1 for
   8 emmc, since our dtsi is still based on downstream and sdhc0 is used for
   9 the sd card.
  10
  11 Signed-off-by: Andre Heider <a.heider@gmail.com>
  12 ---
  13  arch/arm/dts/Makefile                         |  1 +
  14  arch/arm/dts/armada-3720-espressobin-emmc.dts | 44 +++++++++++++++++++
  15  doc/README.marvell                            |  7 ++-
  16  3 files changed, 50 insertions(+), 2 deletions(-)
  17  create mode 100644 arch/arm/dts/armada-3720-espressobin-emmc.dts
  18
  19 --- a/arch/arm/dts/Makefile
  20 +++ b/arch/arm/dts/Makefile
  21 @@ -202,6 +202,7 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harm
  22  dtb-$(CONFIG_ARCH_MVEBU) +=                    \
  23         armada-3720-db.dtb                      \
  24         armada-3720-espressobin.dtb             \
  25 +       armada-3720-espressobin-emmc.dtb        \
  26         armada-3720-turris-mox.dtb              \
  27         armada-3720-uDPU.dtb                    \
  28         armada-375-db.dtb                       \
  29 --- /dev/null
  30 +++ b/arch/arm/dts/armada-3720-espressobin-emmc.dts
  31 @@ -0,0 +1,44 @@
  32 +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  33 +/*
  34 + * Device Tree file for Globalscale Marvell ESPRESSOBin Board with eMMC
  35 + * Copyright (C) 2018 Marvell
  36 + *
  37 + * Romain Perier <romain.perier@free-electrons.com>
  38 + * Konstantin Porotchkin <kostap@marvell.com>
  39 + *
  40 + */
  41 +/*
  42 + * Schematic available at http://espressobin.net/wp-content/uploads/2017/08/ESPRESSObin_V5_Schematics.pdf
  43 + */
  44 +
  45 +/dts-v1/;
  46 +
  47 +#include "armada-3720-espressobin.dtsi"
  48 +
  49 +/ {
  50 +       model = "Globalscale Marvell ESPRESSOBin Board (eMMC)";
  51 +       compatible = "globalscale,espressobin-emmc", "globalscale,espressobin",
  52 +                    "marvell,armada3720", "marvell,armada3710";
  53 +};
  54 +
  55 +/* U11 */
  56 +&sdhci1 {
  57 +       non-removable;
  58 +       bus-width = <8>;
  59 +       mmc-ddr-1_8v;
  60 +       mmc-hs400-1_8v;
  61 +       marvell,xenon-emmc;
  62 +       marvell,xenon-tun-count = <9>;
  63 +       marvell,pad-type = "fixed-1-8v";
  64 +
  65 +       pinctrl-names = "default";
  66 +       pinctrl-0 = <&mmc_pins>;
  67 +       status = "okay";
  68 +
  69 +       #address-cells = <1>;
  70 +       #size-cells = <0>;
  71 +       mmccard: mmccard@0 {
  72 +               compatible = "mmc-card";
  73 +               reg = <0>;
  74 +       };
  75 +};
  76 --- a/doc/README.marvell
  77 +++ b/doc/README.marvell
  78 @@ -43,8 +43,11 @@ Build Procedure
  79          In order to prevent this, the required device-tree MUST be set during compilation.
  80          All device-tree files are located in ./arch/arm/dts/ folder.
  81
  82 -       For other DB boards (MacchiatoBin, EspressoBin and 3700 DB board) compile u-boot with
  83 -       just default device-tree from defconfig using:
  84 +       For the EspressoBin board with populated eMMC device use
  85 +               # make DEVICE_TREE=armada-3720-espressobin-emmc
  86 +
  87 +       For other DB boards (MacchiatoBin, EspressoBin without soldered eMMC and 3700 DB board)
  88 +       compile u-boot with just default device-tree from defconfig using:
  89
  90                 # make
  91