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BCM270X_DT: Add Pi 3+ dts files
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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Phil Elwell committed Mar 14, 2018
1 parent fff6213 commit eb7b3df
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1 change: 1 addition & 0 deletions arch/arm/boot/dts/Makefile
Expand Up @@ -7,6 +7,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
bcm2708-rpi-0-w.dtb \
bcm2709-rpi-2-b.dtb \
bcm2710-rpi-3-b.dtb \
bcm2710-rpi-3-b-plus.dtb \
bcm2710-rpi-cm3.dtb

dtb-$(CONFIG_ARCH_ALPINE) += \
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219 changes: 219 additions & 0 deletions arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
@@ -0,0 +1,219 @@
/dts-v1/;

#include "bcm2710.dtsi"
#include "bcm283x-rpi-lan7515.dtsi"

/ {
model = "Raspberry Pi 3 Model B+";
};

&gpio {
sdhost_pins: sdhost_pins {
brcm,pins = <48 49 50 51 52 53>;
brcm,function = <4>; /* alt0 */
};

spi0_pins: spi0_pins {
brcm,pins = <9 10 11>;
brcm,function = <4>; /* alt0 */
};

spi0_cs_pins: spi0_cs_pins {
brcm,pins = <8 7>;
brcm,function = <1>; /* output */
};

i2c0_pins: i2c0 {
brcm,pins = <0 1>;
brcm,function = <4>;
};

i2c1_pins: i2c1 {
brcm,pins = <2 3>;
brcm,function = <4>;
};

i2s_pins: i2s {
brcm,pins = <18 19 20 21>;
brcm,function = <4>; /* alt0 */
};

sdio_pins: sdio_pins {
brcm,pins = <34 35 36 37 38 39>;
brcm,function = <7>; // alt3 = SD1
brcm,pull = <0 2 2 2 2 2>;
};

bt_pins: bt_pins {
brcm,pins = <43>;
brcm,function = <4>; /* alt0:GPCLK2 */
brcm,pull = <0>;
};

uart0_pins: uart0_pins {
brcm,pins = <32 33>;
brcm,function = <7>; /* alt3=UART0 */
brcm,pull = <0 2>;
};

uart1_pins: uart1_pins {
brcm,pins;
brcm,function;
brcm,pull;
};

audio_pins: audio_pins {
brcm,pins = <40 41>;
brcm,function = <4>;
};
};

&sdhost {
pinctrl-names = "default";
pinctrl-0 = <&sdhost_pins>;
bus-width = <4>;
status = "okay";
};

&mmc {
pinctrl-names = "default";
pinctrl-0 = <&sdio_pins>;
non-removable;
bus-width = <4>;
status = "okay";
brcm,overclock-50 = <0>;
};

&soc {
expgpio: expgpio {
compatible = "brcm,bcm2835-expgpio";
gpio-controller;
#gpio-cells = <2>;
firmware = <&firmware>;
status = "okay";
};
};

&fb {
status = "okay";
};

&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_pins &bt_pins>;
status = "okay";
};

&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
status = "okay";
};

&spi0 {
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
cs-gpios = <&gpio 8 1>, <&gpio 7 1>;

spidev0: spidev@0{
compatible = "spidev";
reg = <0>; /* CE0 */
#address-cells = <1>;
#size-cells = <0>;
spi-max-frequency = <125000000>;
};

spidev1: spidev@1{
compatible = "spidev";
reg = <1>; /* CE1 */
#address-cells = <1>;
#size-cells = <0>;
spi-max-frequency = <125000000>;
};
};

&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins>;
clock-frequency = <100000>;
};

&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_pins>;
clock-frequency = <100000>;
};

&i2c2 {
clock-frequency = <100000>;
};

&i2s {
pinctrl-names = "default";
pinctrl-0 = <&i2s_pins>;
};

&leds {
act_led: act {
label = "led0";
linux,default-trigger = "mmc0";
gpios = <&gpio 29 0>;
};

pwr_led: pwr {
label = "led1";
linux,default-trigger = "default-on";
gpios = <&expgpio 2 GPIO_ACTIVE_LOW>;
};
};

&hdmi {
hpd-gpios = <&expgpio 4 GPIO_ACTIVE_LOW>;
};

&audio {
pinctrl-names = "default";
pinctrl-0 = <&audio_pins>;
};

/ {
chosen {
bootargs = "8250.nr_uarts=1";
};
};

/ {
__overrides__ {
uart0 = <&uart0>,"status";
uart1 = <&uart1>,"status";
i2s = <&i2s>,"status";
spi = <&spi0>,"status";
i2c0 = <&i2c0>,"status";
i2c1 = <&i2c1>,"status";
i2c2_iknowwhatimdoing = <&i2c2>,"status";
i2c0_baudrate = <&i2c0>,"clock-frequency:0";
i2c1_baudrate = <&i2c1>,"clock-frequency:0";
i2c2_baudrate = <&i2c2>,"clock-frequency:0";

act_led_gpio = <&act_led>,"gpios:4";
act_led_activelow = <&act_led>,"gpios:8";
act_led_trigger = <&act_led>,"linux,default-trigger";

pwr_led_gpio = <&pwr_led>,"gpios:4";
pwr_led_activelow = <&pwr_led>,"gpios:8";
pwr_led_trigger = <&pwr_led>,"linux,default-trigger";

audio = <&audio>,"status";
watchdog = <&watchdog>,"status";
random = <&random>,"status";
sd_overclock = <&sdhost>,"brcm,overclock-50:0";
sd_force_pio = <&sdhost>,"brcm,force-pio?";
sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
sd_debug = <&sdhost>,"brcm,debug";
};
};

&i2c_dsi {
gpios = <&gpio 44 0
&gpio 45 0>;
};
36 changes: 36 additions & 0 deletions arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
@@ -0,0 +1,36 @@
/ {
aliases {
ethernet = &ethernet;
};
};

&usb {
usb1@1 {
compatible = "usb424,2514";
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;

usb1_1@1 {
compatible = "usb424,2514";
reg = <1>;
#address-cells = <1>;
#size-cells = <0>;

ethernet: usbether@1 {
compatible = "usb424,7800";
reg = <1>;
microchip,eee-enabled;
microchip,tx-lpi-timer = <600>; /* non-aggressive*/
};
};
};
};


/ {
__overrides__ {
eee = <&ethernet>,"microchip,eee-enabled?";
tx_lpi_timer = <&ethernet>,"microchip,tx-lpi-timer:0";
};
};
8 changes: 8 additions & 0 deletions arch/arm/boot/dts/overlays/README
Expand Up @@ -89,6 +89,10 @@ Params:
audio Set to "on" to enable the onboard ALSA audio
interface (default "off")

eee Enable Energy Efficient Ethernet support for
compatible devices (default "on"). See also
"tx_lpi_timer".

i2c_arm Set to "on" to enable the ARM's i2c interface
(default "off")

Expand Down Expand Up @@ -125,6 +129,10 @@ Params:

sd_debug Enable debug output from SD driver (default off)

tx_lpi_timer Set the delay in microseconds between going idle
and entering the low power state (default 600).
Requires EEE to be enabled - see "eee".

uart0 Set to "off" to disable uart0 (default "on")

uart1 Set to "on" or "off" to enable or disable uart1
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