ARM: dts: Add bcm2709-rpi-cm2.dts

Compute Module 2 is a CM3 with a 2836. The DTS file reflects that.

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

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index f9acf5c..9ccee64 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -15,6 +15,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += \
        bcm2710-rpi-3-b-plus.dtb \
        bcm2711-rpi-4-b.dtb \
        bcm2711-rpi-400.dtb \
+       bcm2709-rpi-cm2.dtb \
        bcm2710-rpi-cm3.dtb \
        bcm2711-rpi-cm4.dtb \
        bcm2711-rpi-cm4s.dtb

diff --git a/arch/arm/boot/dts/bcm2709-rpi-cm2.dts b/arch/arm/boot/dts/bcm2709-rpi-cm2.dts
new file mode 100644 (file)
index 0000000..17fd77b
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2709-rpi-cm2.dts
@@ -0,0 +1,219 @@
+/dts-v1/;
+
+#include "bcm2709.dtsi"
+#include "bcm2709-rpi.dtsi"
+#include "bcm283x-rpi-csi0-2lane.dtsi"
+#include "bcm283x-rpi-csi1-4lane.dtsi"
+#include "bcm283x-rpi-i2c0mux_0_28.dtsi"
+
+/ {
+       compatible = "raspberrypi,2-compute-module", "brcm,bcm2836";
+       model = "Raspberry Pi Compute Module 2";
+};
+
+&cam1_reg {
+       gpio = <&gpio 2 GPIO_ACTIVE_HIGH>;
+       status = "disabled";
+};
+
+cam0_reg: &cam0_regulator {
+       gpio = <&gpio 30 GPIO_ACTIVE_HIGH>;
+};
+
+&uart0 {
+       status = "okay";
+};
+
+&gpio {
+       /*
+        * This is based on the official GPU firmware DT blob.
+        *
+        * Legend:
+        * "NC" = not connected (no rail from the SoC)
+        * "FOO" = GPIO line named "FOO" on the schematic
+        * "FOO_N" = GPIO line named "FOO" on schematic, active low
+        */
+       gpio-line-names = "GPIO0",
+                         "GPIO1",
+                         "GPIO2",
+                         "GPIO3",
+                         "GPIO4",
+                         "GPIO5",
+                         "GPIO6",
+                         "GPIO7",
+                         "GPIO8",
+                         "GPIO9",
+                         "GPIO10",
+                         "GPIO11",
+                         "GPIO12",
+                         "GPIO13",
+                         "GPIO14",
+                         "GPIO15",
+                         "GPIO16",
+                         "GPIO17",
+                         "GPIO18",
+                         "GPIO19",
+                         "GPIO20",
+                         "GPIO21",
+                         "GPIO22",
+                         "GPIO23",
+                         "GPIO24",
+                         "GPIO25",
+                         "GPIO26",
+                         "GPIO27",
+                         "GPIO28",
+                         "GPIO29",
+                         "GPIO30",
+                         "GPIO31",
+                         "GPIO32",
+                         "GPIO33",
+                         "GPIO34",
+                         "GPIO35",
+                         "GPIO36",
+                         "GPIO37",
+                         "GPIO38",
+                         "GPIO39",
+                         "GPIO40",
+                         "GPIO41",
+                         "GPIO42",
+                         "GPIO43",
+                         "GPIO44",
+                         "GPIO45",
+                         "SMPS_SCL",
+                         "SMPS_SDA",
+                         /* Used by eMMC */
+                         "SD_CLK_R",
+                         "SD_CMD_R",
+                         "SD_DATA0_R",
+                         "SD_DATA1_R",
+                         "SD_DATA2_R",
+                         "SD_DATA3_R";
+
+       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 */
+       };
+
+       audio_pins: audio_pins {
+               brcm,pins;
+               brcm,function;
+       };
+};
+
+&soc {
+       virtgpio: virtgpio {
+               compatible = "brcm,bcm2835-virtgpio";
+               gpio-controller;
+               #gpio-cells = <2>;
+               firmware = <&firmware>;
+               status = "okay";
+       };
+
+};
+
+&firmware {
+       expgpio: expgpio {
+               compatible = "raspberrypi,firmware-gpio";
+               gpio-controller;
+               #gpio-cells = <2>;
+               gpio-line-names = "HDMI_HPD_N",
+                                 "EMMC_EN_N",
+                                 "NC",
+                                 "NC",
+                                 "NC",
+                                 "NC",
+                                 "NC",
+                                 "NC";
+               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>;
+       };
+};
+
+&i2c0if {
+       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: led-act {
+               label = "led0";
+               linux,default-trigger = "mmc0";
+               gpios = <&virtgpio 0 0>;
+       };
+};
+
+&hdmi {
+       hpd-gpios = <&expgpio 0 GPIO_ACTIVE_LOW>;
+};
+
+&audio {
+       pinctrl-names = "default";
+       pinctrl-0 = <&audio_pins>;
+};
+
+/ {
+       __overrides__ {
+               act_led_gpio = <&act_led>,"gpios:4";
+               act_led_activelow = <&act_led>,"gpios:8";
+               act_led_trigger = <&act_led>,"linux,default-trigger";
+               cam0_reg = <&cam0_reg>,"status";
+               cam0_reg_gpio = <&cam0_reg>,"gpio:4";
+               cam1_reg = <&cam1_reg>,"status";
+               cam1_reg_gpio = <&cam1_reg>,"gpio:4";
+       };
+};