target/linux/mediatek/dts/mt7986a-bananapi-bpi-r3-emmc-snand.dts

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */
   2
   3 /dts-v1/;
   4 /plugin/;
   5
   6 / {
   7         compatible = "bananapi,bpi-r3", "mediatek,mt7986a";
   8
   9         fragment@0 {
  10                 target-path = "/soc/mmc@11230000";
  11                 __overlay__ {
  12                         pinctrl-names = "default", "state_uhs";
  13                         pinctrl-0 = <&mmc0_pins_default>;
  14                         pinctrl-1 = <&mmc0_pins_uhs>;
  15                         bus-width = <8>;
  16                         max-frequency = <200000000>;
  17                         /delete-property/ cap-sd-highspeed;
  18                         cap-mmc-highspeed;
  19                         mmc-hs200-1_8v;
  20                         mmc-hs400-1_8v;
  21                         hs400-ds-delay = <0x14014>;
  22                         vmmc-supply = <&reg_3p3v>;
  23                         vqmmc-supply = <&reg_1p8v>;
  24                         non-removable;
  25                         no-sd;
  26                         no-sdio;
  27                         status = "okay";
  28                 };
  29         };
  30
  31         fragment@1 {
  32                 target-path = "/soc/spi@1100a000";
  33                 __overlay__ {
  34                         flash@0 {
  35                                 compatible = "spi-nand";
  36                                 reg = <0>;
  37                                 spi-max-frequency = <10000000>;
  38                                 spi-tx-buswidth = <4>;
  39                                 spi-rx-buswidth = <4>;
  40
  41                                 partitions {
  42                                         compatible = "fixed-partitions";
  43                                         #address-cells = <1>;
  44                                         #size-cells = <1>;
  45
  46                                         partition@0 {
  47                                                 label = "bl2";
  48                                                 reg = <0x0 0x80000>;
  49                                                 read-only;
  50                                         };
  51
  52                                         partition@80000 {
  53                                                 label = "reserved";
  54                                                 reg = <0x80000 0x300000>;
  55                                         };
  56
  57                                         partition@380000 {
  58                                                 label = "fip";
  59                                                 reg = <0x380000 0x200000>;
  60                                                 read-only;
  61                                         };
  62
  63                                         partition@580000 {
  64                                                 label = "ubi";
  65                                                 reg = <0x580000 0x7a80000>;
  66                                         };
  67                                 };
  68                         };
  69                 };
  70         };
  71 };