BCM270X_DT: Add Pi 3+ dts files

Signed-off-by: Phil Elwell <phil@raspberrypi.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b6902b6fe83740c4fe51d5f0075ea08652a9697f..7eeca689d9eba0eb44c6a7e159891fbe0920dd69 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -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) += \

diff --git a/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts b/arch/arm/boot/dts/bcm2710-rpi-3-b-plus.dts
new file mode 100644 (file)
index 0000000..32bff89
--- /dev/null
+++ b/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>;
+};

diff --git a/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi b/arch/arm/boot/dts/bcm283x-rpi-lan7515.dtsi
new file mode 100644 (file)
index 0000000..85f7334
--- /dev/null
+++ b/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";
+       };
+};

diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index a996e71a158ce44ed53625652455ad8624f539aa..50b45b21610258bc5dc68e8783cb1db7da0cd576 100644 (file)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -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")
 
@@ -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