target/linux/mvebu/patches-4.14/514-arm64-dts-marvell-armada-37xx-Enable-emmc-on-espress.patch

   1 From 43ebc7c1b3ed8198b9acf3019eca16e722f7331c Mon Sep 17 00:00:00 2001
   2 From: Ding Tao <miyatsu@qq.com>
   3 Date: Fri, 26 Oct 2018 11:50:28 +0000
   4 Subject: [PATCH] arm64: dts: marvell: armada-37xx: Enable emmc on espressobin
   5
   6 The ESPRESSObin board has a emmc interface available on U11: declare it
   7 and let the bootloader enable it if the emmc is present.
   8
   9 [gregory.clement@bootlin.com: disable the emmc by default]
  10 Signed-off-by: Ding Tao <miyatsu@qq.com>
  11 Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
  12 ---
  13  .../dts/marvell/armada-3720-espressobin.dts   | 22 +++++++++++++++++++
  14  1 file changed, 22 insertions(+)
  15
  16 --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
  17 +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts
  18 @@ -93,9 +93,31 @@
  19         cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>;
  20         marvell,pad-type = "sd";
  21         vqmmc-supply = <&vcc_sd_reg1>;
  22 +
  23 +       pinctrl-names = "default";
  24 +       pinctrl-0 = <&sdio_pins>;
  25         status = "okay";
  26  };
  27
  28 +/* U11 */
  29 +&sdhci0 {
  30 +       non-removable;
  31 +       bus-width = <8>;
  32 +       mmc-ddr-1_8v;
  33 +       mmc-hs400-1_8v;
  34 +       marvell,xenon-emmc;
  35 +       marvell,xenon-tun-count = <9>;
  36 +       marvell,pad-type = "fixed-1-8v";
  37 +
  38 +       pinctrl-names = "default";
  39 +       pinctrl-0 = <&mmc_pins>;
  40 +/*
  41 + * This eMMC is not populated on all boards, so disable it by
  42 + * default and let the bootloader enable it, if it is present
  43 + */
  44 +       status = "disabled";
  45 +};
  46 +
  47  &spi0 {
  48         status = "okay";
  49