src/arm64/qcom/msm8916-samsung-grandmax.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2
   3 /dts-v1/;
   4
   5 #include "msm8916-samsung-e2015-common.dtsi"
   6 #include <dt-bindings/leds/common.h>
   7
   8 /*
   9  * NOTE: The original firmware from Samsung can only boot ARM32 kernels on some
  10  * variants.
  11  * Unfortunately, the firmware is signed and cannot be replaced easily.
  12  * There seems to be no way to boot ARM64 kernels on 32-bit devices at the
  13  * moment, even though the hardware would support it.
  14  *
  15  * However, it is possible to use this device tree by compiling an ARM32 kernel
  16  * instead. For clarity and build testing this device tree is maintained next
  17  * to the other MSM8916 device trees. However, it is actually used through
  18  * arch/arm/boot/dts/qcom-msm8916-samsung-grandmax.dts
  19  */
  20
  21 / {
  22         model = "Samsung Galaxy Grand Max";
  23         compatible = "samsung,grandmax", "qcom,msm8916";
  24         chassis-type = "handset";
  25
  26         /delete-node/ gpio-hall-sensor;
  27         /delete-node/ i2c-nfc;
  28         /delete-node/ i2c-tkey;
  29
  30         gpio-leds {
  31                 compatible = "gpio-leds";
  32                 led-keyled {
  33                         function = LED_FUNCTION_KBD_BACKLIGHT;
  34                         color = <LED_COLOR_ID_WHITE>;
  35
  36                         gpios = <&tlmm 60 GPIO_ACTIVE_HIGH>;
  37
  38                         pinctrl-names = "default";
  39                         pinctrl-0 = <&gpio_leds_default>;
  40                 };
  41         };
  42 };
  43
  44 &reg_motor_vdd {
  45         gpio = <&tlmm 72 GPIO_ACTIVE_HIGH>;
  46 };
  47
  48 &reg_touch_key {
  49         status = "disabled";
  50 };
  51
  52 &sound {
  53         model = "samsung-gmax"; /* No secondary microphone */
  54 };
  55
  56 &tlmm {
  57         gpio_leds_default: gpio-led-default-state {
  58                 pins = "gpio60";
  59                 function = "gpio";
  60
  61                 drive-strength = <2>;
  62                 bias-disable;
  63         };
  64 };
  65
  66 &motor_en_default {
  67         pins = "gpio72";
  68 };