target/linux/brcm2708/patches-4.14/950-0250-BCM270X_DT-Add-Pi-3-dts-files.patch

   1 From 09bd29626a880f4bbcd4d3b3ebbdbaf170e0b27c Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.org>
   3 Date: Fri, 21 Jul 2017 11:33:25 +0100
   4 Subject: [PATCH 250/454] BCM270X_DT: Add Pi 3+ dts files
   5
   6 Signed-off-by: Phil Elwell <phil@raspberrypi.org>
   7 ---
   8  arch/arm/boot/dts/Makefile                 |   1 +
   9  arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts | 183 +++++++++++++++++++++
  10  arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi |  36 ++++
  11  arch/arm/boot/dts/overlays/README          |   8 +
  12  4 files changed, 228 insertions(+)
  13  create mode 100644 arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
  14  create mode 100644 arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
  15
  16 --- a/arch/arm/boot/dts/Makefile
  17 +++ b/arch/arm/boot/dts/Makefile
  18 @@ -8,6 +8,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
  19         bcm2708-rpi-0-w.dtb \
  20         bcm2709-rpi-2-b.dtb \
  21         bcm2710-rpi-3-b.dtb \
  22 +       bcm2710-rpi-3-b-plus.dtb \
  23         bcm2710-rpi-cm3.dtb
  24
  25  dtb-$(CONFIG_ARCH_ALPINE) += \
  26 --- /dev/null
  27 +++ b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
  28 @@ -0,0 +1,183 @@
  29 +/dts-v1/;
  30 +
  31 +#include "bcm2710.dtsi"
  32 +#include "bcm283x-rpi-lan7515.dtsi"
  33 +
  34 +/ {
  35 +       compatible = "raspberrypi,3-model-b-plus", "brcm,bcm2837";
  36 +       model = "Raspberry Pi 3 Model B+";
  37 +
  38 +       chosen {
  39 +               bootargs = "8250.nr_uarts=1";
  40 +       };
  41 +
  42 +       aliases {
  43 +               serial0 = &uart1;
  44 +               serial1 = &uart0;
  45 +       };
  46 +};
  47 +
  48 +&gpio {
  49 +       spi0_pins: spi0_pins {
  50 +               brcm,pins = <9 10 11>;
  51 +               brcm,function = <4>; /* alt0 */
  52 +       };
  53 +
  54 +       spi0_cs_pins: spi0_cs_pins {
  55 +               brcm,pins = <8 7>;
  56 +               brcm,function = <1>; /* output */
  57 +       };
  58 +
  59 +       i2c0_pins: i2c0 {
  60 +               brcm,pins = <0 1>;
  61 +               brcm,function = <4>;
  62 +       };
  63 +
  64 +       i2c1_pins: i2c1 {
  65 +               brcm,pins = <2 3>;
  66 +               brcm,function = <4>;
  67 +       };
  68 +
  69 +       i2s_pins: i2s {
  70 +               brcm,pins = <18 19 20 21>;
  71 +               brcm,function = <4>; /* alt0 */
  72 +       };
  73 +
  74 +       sdio_pins: sdio_pins {
  75 +               brcm,pins =     <34 35 36 37 38 39>;
  76 +               brcm,function = <7>; // alt3 = SD1
  77 +               brcm,pull =     <0 2 2 2 2 2>;
  78 +       };
  79 +
  80 +       bt_pins: bt_pins {
  81 +               brcm,pins = <43>;
  82 +               brcm,function = <4>; /* alt0:GPCLK2 */
  83 +               brcm,pull = <0>;
  84 +       };
  85 +
  86 +       uart0_pins: uart0_pins {
  87 +               brcm,pins = <32 33>;
  88 +               brcm,function = <7>; /* alt3=UART0 */
  89 +               brcm,pull = <0 2>;
  90 +       };
  91 +
  92 +       uart1_pins: uart1_pins {
  93 +               brcm,pins;
  94 +               brcm,function;
  95 +               brcm,pull;
  96 +       };
  97 +
  98 +       audio_pins: audio_pins {
  99 +               brcm,pins = <40 41>;
 100 +               brcm,function = <4>;
 101 +       };
 102 +};
 103 +
 104 +&mmc {
 105 +       pinctrl-names = "default";
 106 +       pinctrl-0 = <&sdio_pins>;
 107 +       non-removable;
 108 +       bus-width = <4>;
 109 +       status = "okay";
 110 +       brcm,overclock-50 = <0>;
 111 +};
 112 +
 113 +&soc {
 114 +       expgpio: expgpio {
 115 +               compatible = "brcm,bcm2835-expgpio";
 116 +               gpio-controller;
 117 +               #gpio-cells = <2>;
 118 +               firmware = <&firmware>;
 119 +               status = "okay";
 120 +       };
 121 +};
 122 +
 123 +&uart0 {
 124 +       pinctrl-names = "default";
 125 +       pinctrl-0 = <&uart0_pins &bt_pins>;
 126 +       status = "okay";
 127 +};
 128 +
 129 +&uart1 {
 130 +       pinctrl-names = "default";
 131 +       pinctrl-0 = <&uart1_pins>;
 132 +       status = "okay";
 133 +};
 134 +
 135 +&spi0 {
 136 +       pinctrl-names = "default";
 137 +       pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
 138 +       cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
 139 +
 140 +       spidev0: spidev@0{
 141 +               compatible = "spidev";
 142 +               reg = <0>;      /* CE0 */
 143 +               #address-cells = <1>;
 144 +               #size-cells = <0>;
 145 +               spi-max-frequency = <125000000>;
 146 +       };
 147 +
 148 +       spidev1: spidev@1{
 149 +               compatible = "spidev";
 150 +               reg = <1>;      /* CE1 */
 151 +               #address-cells = <1>;
 152 +               #size-cells = <0>;
 153 +               spi-max-frequency = <125000000>;
 154 +       };
 155 +};
 156 +
 157 +&i2c0 {
 158 +       pinctrl-names = "default";
 159 +       pinctrl-0 = <&i2c0_pins>;
 160 +       clock-frequency = <100000>;
 161 +};
 162 +
 163 +&i2c1 {
 164 +       pinctrl-names = "default";
 165 +       pinctrl-0 = <&i2c1_pins>;
 166 +       clock-frequency = <100000>;
 167 +};
 168 +
 169 +&i2c2 {
 170 +       clock-frequency = <100000>;
 171 +};
 172 +
 173 +&i2s {
 174 +       pinctrl-names = "default";
 175 +       pinctrl-0 = <&i2s_pins>;
 176 +};
 177 +
 178 +&leds {
 179 +       act_led: act {
 180 +               label = "led0";
 181 +               linux,default-trigger = "mmc0";
 182 +               gpios = <&gpio 29 0>;
 183 +       };
 184 +
 185 +       pwr_led: pwr {
 186 +               label = "led1";
 187 +               linux,default-trigger = "default-on";
 188 +               gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
 189 +       };
 190 +};
 191 +
 192 +&hdmi {
 193 +       hpd-gpios = <&expgpio 4 GPIO_ACTIVE_LOW>;
 194 +};
 195 +
 196 +&audio {
 197 +       pinctrl-names = "default";
 198 +       pinctrl-0 = <&audio_pins>;
 199 +};
 200 +
 201 +/ {
 202 +       __overrides__ {
 203 +               act_led_gpio = <&act_led>,"gpios:4";
 204 +               act_led_activelow = <&act_led>,"gpios:8";
 205 +               act_led_trigger = <&act_led>,"linux,default-trigger";
 206 +
 207 +               pwr_led_gpio = <&pwr_led>,"gpios:4";
 208 +               pwr_led_activelow = <&pwr_led>,"gpios:8";
 209 +               pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
 210 +       };
 211 +};
 212 --- /dev/null
 213 +++ b/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
 214 @@ -0,0 +1,36 @@
 215 +/ {
 216 +       aliases {
 217 +               ethernet0 = &ethernet;
 218 +       };
 219 +};
 220 +
 221 +&usb {
 222 +       usb1@1 {
 223 +               compatible = "usb424,2514";
 224 +               reg = <1>;
 225 +               #address-cells = <1>;
 226 +               #size-cells = <0>;
 227 +
 228 +               usb1_1@1 {
 229 +                       compatible = "usb424,2514";
 230 +                       reg = <1>;
 231 +                       #address-cells = <1>;
 232 +                       #size-cells = <0>;
 233 +
 234 +                       ethernet: usbether@1 {
 235 +                               compatible = "usb424,7800";
 236 +                               reg = <1>;
 237 +                               microchip,eee-enabled;
 238 +                               microchip,tx-lpi-timer = <600>; /* non-aggressive*/
 239 +                       };
 240 +               };
 241 +       };
 242 +};
 243 +
 244 +
 245 +/ {
 246 +       __overrides__ {
 247 +               eee = <&ethernet>,"microchip,eee-enabled?";
 248 +               tx_lpi_timer = <&ethernet>,"microchip,tx-lpi-timer:0";
 249 +       };
 250 +};
 251 --- a/arch/arm/boot/dts/overlays/README
 252 +++ b/arch/arm/boot/dts/overlays/README
 253 @@ -89,6 +89,10 @@ Params:
 254          audio                   Set to "on" to enable the onboard ALSA audio
 255                                  interface (default "off")
 256
 257 +        eee                     Enable Energy Efficient Ethernet support for
 258 +                                compatible devices (default "on"). See also
 259 +                                "tx_lpi_timer".
 260 +
 261          i2c_arm                 Set to "on" to enable the ARM's i2c interface
 262                                  (default "off")
 263
 264 @@ -125,6 +129,10 @@ Params:
 265
 266          sd_debug                Enable debug output from SD driver (default off)
 267
 268 +        tx_lpi_timer            Set the delay in microseconds between going idle
 269 +                                and entering the low power state (default 600).
 270 +                                Requires EEE to be enabled - see "eee".
 271 +
 272          uart0                   Set to "off" to disable uart0 (default "on")
 273
 274          uart1                   Set to "on" or "off" to enable or disable uart1