arch/arm64/boot/dts/qcom/msm8916-acer-a1-724.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2
   3 /dts-v1/;
   4
   5 #include "msm8916-pm8916.dtsi"
   6
   7 #include <dt-bindings/gpio/gpio.h>
   8 #include <dt-bindings/input/input.h>
   9 #include <dt-bindings/interrupt-controller/irq.h>
  10
  11 /*
  12  * NOTE: The original firmware from Acer can only boot 32-bit kernels.
  13  * To boot this device tree using arm64 it is necessary to flash 64-bit
  14  * TZ/HYP firmware (e.g. taken from the DragonBoard 410c).
  15  * See https://wiki.postmarketos.org/wiki/Acer_Iconia_Talk_S_(acer-a1-724)
  16  * for suggested installation instructions.
  17  */
  18
  19 / {
  20         model = "Acer Iconia Talk S A1-724";
  21         compatible = "acer,a1-724", "qcom,msm8916";
  22         chassis-type = "tablet";
  23
  24         aliases {
  25                 mmc0 = &sdhc_1; /* eMMC */
  26                 mmc1 = &sdhc_2; /* SD card */
  27                 serial0 = &blsp_uart2;
  28         };
  29
  30         chosen {
  31                 stdout-path = "serial0";
  32         };
  33
  34         gpio-keys {
  35                 compatible = "gpio-keys";
  36
  37                 pinctrl-names = "default";
  38                 pinctrl-0 = <&gpio_keys_default>;
  39
  40                 label = "GPIO Buttons";
  41
  42                 button-volume-up {
  43                         label = "Volume Up";
  44                         gpios = <&tlmm 107 GPIO_ACTIVE_LOW>;
  45                         linux,code = <KEY_VOLUMEUP>;
  46                 };
  47         };
  48
  49         usb_id: usb-id {
  50                 compatible = "linux,extcon-usb-gpio";
  51                 id-gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
  52                 pinctrl-names = "default";
  53                 pinctrl-0 = <&usb_id_default>;
  54         };
  55 };
  56
  57 &blsp_i2c2 {
  58         status = "okay";
  59
  60         accelerometer@10 {
  61                 compatible = "bosch,bmc150_accel";
  62                 reg = <0x10>;
  63                 interrupt-parent = <&tlmm>;
  64                 interrupts = <115 IRQ_TYPE_EDGE_RISING>;
  65
  66                 vdd-supply = <&pm8916_l17>;
  67                 vddio-supply = <&pm8916_l6>;
  68
  69                 pinctrl-names = "default";
  70                 pinctrl-0 = <&accel_int_default>;
  71
  72                 mount-matrix = "0", "-1", "0",
  73                                "-1", "0", "0",
  74                                "0", "0", "1";
  75         };
  76
  77         magnetometer@12 {
  78                 compatible = "bosch,bmc150_magn";
  79                 reg = <0x12>;
  80
  81                 vdd-supply = <&pm8916_l17>;
  82                 vddio-supply = <&pm8916_l6>;
  83         };
  84 };
  85
  86 &blsp_i2c5 {
  87         status = "okay";
  88
  89         touchscreen@38 {
  90                 /* Actually ft5446 */
  91                 compatible = "edt,edt-ft5406";
  92                 reg = <0x38>;
  93
  94                 interrupt-parent = <&tlmm>;
  95                 interrupts = <13 IRQ_TYPE_LEVEL_LOW>;
  96
  97                 reset-gpios = <&tlmm 12 GPIO_ACTIVE_LOW>;
  98
  99                 vcc-supply = <&pm8916_l16>;
 100                 iovcc-supply = <&pm8916_l6>;
 101
 102                 touchscreen-size-x = <720>;
 103                 touchscreen-size-y = <1280>;
 104
 105                 pinctrl-names = "default";
 106                 pinctrl-0 = <&touchscreen_default>;
 107         };
 108 };
 109
 110 &blsp_uart2 {
 111         status = "okay";
 112 };
 113
 114 &pm8916_resin {
 115         linux,code = <KEY_VOLUMEDOWN>;
 116         status = "okay";
 117 };
 118
 119 &pm8916_rpm_regulators {
 120         pm8916_l16: l16 {
 121                 regulator-min-microvolt = <2900000>;
 122                 regulator-max-microvolt = <2900000>;
 123         };
 124
 125         pm8916_l17: l17 {
 126                 regulator-min-microvolt = <2850000>;
 127                 regulator-max-microvolt = <2850000>;
 128         };
 129 };
 130
 131 &pm8916_vib {
 132         status = "okay";
 133 };
 134
 135 &sdhc_1 {
 136         status = "okay";
 137 };
 138
 139 &sdhc_2 {
 140         pinctrl-names = "default", "sleep";
 141         pinctrl-0 = <&sdc2_default &sdc2_cd_default>;
 142         pinctrl-1 = <&sdc2_sleep &sdc2_cd_default>;
 143
 144         cd-gpios = <&tlmm 38 GPIO_ACTIVE_HIGH>;
 145
 146         status = "okay";
 147 };
 148
 149 &usb {
 150         extcon = <&usb_id>, <&usb_id>;
 151         status = "okay";
 152 };
 153
 154 &usb_hs_phy {
 155         extcon = <&usb_id>;
 156 };
 157
 158 &venus {
 159         status = "okay";
 160 };
 161
 162 &venus_mem {
 163         status = "okay";
 164 };
 165
 166 &wcnss {
 167         status = "okay";
 168 };
 169
 170 &wcnss_iris {
 171         compatible = "qcom,wcn3620";
 172 };
 173
 174 &wcnss_mem {
 175         status = "okay";
 176 };
 177
 178 &tlmm {
 179         accel_int_default: accel-int-default-state {
 180                 pins = "gpio115";
 181                 function = "gpio";
 182
 183                 drive-strength = <2>;
 184                 bias-disable;
 185         };
 186
 187         gpio_keys_default: gpio-keys-default-state {
 188                 pins = "gpio107";
 189                 function = "gpio";
 190
 191                 drive-strength = <2>;
 192                 bias-pull-up;
 193         };
 194
 195         sdc2_cd_default: sdc2-cd-default-state {
 196                 pins = "gpio38";
 197                 function = "gpio";
 198                 drive-strength = <2>;
 199                 bias-disable;
 200         };
 201
 202         touchscreen_default: touchscreen-default-state {
 203                 reset-pins {
 204                         pins = "gpio12";
 205                         function = "gpio";
 206                         drive-strength = <2>;
 207                         bias-disable;
 208                 };
 209
 210                 touchscreen-pins {
 211                         pins = "gpio13";
 212                         function = "gpio";
 213                         drive-strength = <2>;
 214                         bias-pull-up;
 215                 };
 216         };
 217
 218         usb_id_default: usb-id-default-state {
 219                 pins = "gpio110";
 220                 function = "gpio";
 221
 222                 drive-strength = <8>;
 223                 bias-pull-up;
 224         };
 225 };