target/linux/sunxi/patches-5.15/403-dts-add-nand-to-c64mini.patch

   1 diff -ruN a/arch/arm/boot/dts/sun7i-a20-rgl-c64mini.dts b/arch/arm/boot/dts/sun7i-a20-rgl-c64mini.dts
   2 --- a/arch/arm/boot/dts/sun7i-a20-c64mini.dts   2019-02-20 16:13:12.000000000 +0100
   3 +++ b/arch/arm/boot/dts/sun7i-a20-c64mini.dts   2019-02-22 14:52:35.906512308 +0100
   4 @@ -175,6 +177,37 @@
   5                 function = "gpio_in";
   6                 bias-pull-down;
   7         };
   8 +
   9 +       nand_pins: nand-pins {
  10 +               pins = "PC0", "PC1", "PC2", "PC5",
  11 +                      "PC8", "PC9", "PC10", "PC11",
  12 +                      "PC12", "PC13", "PC14", "PC15";
  13 +               function = "nand0";
  14 +       };
  15 +
  16 +       nand_pins_cs0: nand-pins-cs0 {
  17 +               pins = "PC4";
  18 +               function = "nand0";
  19 +               bias-pull-up;
  20 +       };
  21 +
  22 +       nand_pins_cs1: nand-pins-cs1 {
  23 +               pins = "PC3";
  24 +               function = "nand0";
  25 +               bias-pull-up;
  26 +       };
  27 +
  28 +       nand_pins_rb0: nand-pins-rb0 {
  29 +               pins = "PC6";
  30 +               function = "nand0";
  31 +               bias-pull-up;
  32 +       };
  33 +
  34 +       nand_pins_rb1: nand-pins-rb1 {
  35 +               pins = "PC7";
  36 +               function = "nand0";
  37 +               bias-pull-up;
  38 +       };
  39  };
  40
  41  &reg_usb0_vbus {
  42 @@ -210,3 +243,20 @@
  43         usb2_vbus-supply = <&reg_usb2_vbus>;
  44         status = "okay";
  45  };
  46 +
  47 +&nfc {
  48 +       status = "okay";
  49 +       pinctrl-names = "default";
  50 +       pinctrl-0 = <&nand_pins>, <&nand_pins_cs0>, <&nand_pins_rb0>;
  51 +
  52 +       /* ESMT NAND 128MiB 3,3V 8-bit */
  53 +       nand@0 {
  54 +               #address-cells = <1>;
  55 +               #size-cells = <1>;
  56 +               reg = <0>;
  57 +               allwinner,rb = <0>;
  58 +               nand-ecc-mode = "hw";
  59 +               nand-ecc-strength = <16>;
  60 +               nand-ecc-step-size = <1024>;
  61 +       };
  62 +};