target/linux/layerscape/patches-5.4/900-layerscape_fix_support_of_LS1012A-RDB.patch

   1 From 650480191492845c8eb7e0c2e5b1e37cabc59eff Mon Sep 17 00:00:00 2001
   2 From: Pawel Dembicki <paweldembicki@gmail.com>
   3 Date: Fri, 13 Nov 2020 07:17:39 +0100
   4 Subject: [PATCH 1/2] arm64: dts: fsl-ls1012a-rdb: add i2c devices
   5
   6 LS1012A-RDB equipped in some i2c devices:
   7   - 3x GPIO Expander: PCAL9555A (NXP)
   8   - Gyro: FXAS21002 (NXP)
   9   - Accelerometer: FXOS8700 (NXP)
  10   - Current & Power Monitor: INA220 (TI)
  11
  12 This patch add listed devices to dts.
  13
  14 Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
  15 ---
  16  .../boot/dts/freescale/fsl-ls1012a-rdb.dts    | 66 +++++++++++++++++++
  17  1 file changed, 66 insertions(+)
  18
  19 --- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
  20 +++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
  21 @@ -7,6 +7,7 @@
  22   */
  23  /dts-v1/;
  24
  25 +#include <dt-bindings/interrupt-controller/irq.h>
  26  #include "fsl-ls1012a.dtsi"
  27
  28  / {
  29 @@ -16,6 +17,25 @@
  30         aliases {
  31                 ethernet0 = &pfe_mac0;
  32                 ethernet1 = &pfe_mac1;
  33 +               serial0 = &duart0;
  34 +       };
  35 +
  36 +       dummy3v3: dummy_reg {
  37 +               compatible = "regulator-fixed";
  38 +               regulator-name = "dummy_regulator_3v3";
  39 +
  40 +               regulator-min-microvolt = <3300000>;
  41 +               regulator-max-microvolt = <3300000>;
  42 +               regulator-always-on;
  43 +       };
  44 +
  45 +       dummy1v8: dummy_reg {
  46 +               compatible = "regulator-fixed";
  47 +               regulator-name = "dummy_regulator_1v8";
  48 +
  49 +               regulator-min-microvolt = <1800000>;
  50 +               regulator-max-microvolt = <1800000>;
  51 +               regulator-always-on;
  52         };
  53  };
  54
  55 @@ -42,6 +62,52 @@
  56
  57  &i2c0 {
  58         status = "okay";
  59 +
  60 +       accelerometer@1e {
  61 +               compatible = "nxp,fxos8700";
  62 +               reg = <0x1e>;
  63 +               interrupt-parent = <&gpio26>;
  64 +               interrupts = <13 IRQ_TYPE_EDGE_RISING>;
  65 +               interrupt-names = "INT1";
  66 +       };
  67 +
  68 +       gyroscope@20 {
  69 +               compatible = "nxp,fxas21002c";
  70 +               reg = <0x20>;
  71 +               vdd-supply = <&dummy3v3>;
  72 +               vddio-supply = <&dummy1v8>;
  73 +       };
  74 +
  75 +       gpio@24 {
  76 +               compatible = "nxp,pcal9555a";
  77 +               reg = <0x24>;
  78 +               gpio-controller;
  79 +               #gpio-cells = <2>;
  80 +       };
  81 +
  82 +       gpio25: gpio@25 {
  83 +               compatible = "nxp,pcal9555a";
  84 +               reg = <0x25>;
  85 +               gpio-controller;
  86 +               #gpio-cells = <2>;
  87 +       };
  88 +
  89 +       gpio26: gpio@26 {
  90 +               compatible = "nxp,pcal9555a";
  91 +               reg = <0x26>;
  92 +               interrupt-parent = <&gpio0>;
  93 +               interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
  94 +               interrupt-controller;
  95 +               #interrupt-cells = <2>;
  96 +               gpio-controller;
  97 +               #gpio-cells = <2>;
  98 +       };
  99 +
 100 +       current-sensor@40 {
 101 +               compatible = "ti,ina220";
 102 +               reg = <0x40>;
 103 +               shunt-resistor = <2000>;
 104 +       };
 105  };
 106
 107  &sata {