This is not hooked up to anything yet, but it means that our later
2836-specific changes will be more obvious. The bcm2836-rpi-2-b.dts
actually comes from bcm2835-rpi-2-b-plus, which apparently is the
closest.
Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
---
arch/arm/boot/dts/bcm2836-rpi-2-b.dts | 30 +++++++++++++++++++++
arch/arm/boot/dts/bcm2836-rpi.dtsi | 51 +++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/bcm2836.dtsi | 31 +++++++++++++++++++++
3 files changed, 112 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm2836-rpi-2-b.dts
create mode 100644 arch/arm/boot/dts/bcm2836-rpi.dtsi
create mode 100644 arch/arm/boot/dts/bcm2836.dtsi
diff --git a/arch/arm/boot/dts/bcm2836-rpi-2-b.dts b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
new file mode 100644
index 0000000..668442b
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2836-rpi-2-b.dts
@@ -0,0 +1,30 @@
+/dts-v1/;
+#include "bcm2835-rpi.dtsi"
+
+/ {
+ compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
+ model = "Raspberry Pi Model B+";
+
+ leds {
+ act {
+ gpios = <&gpio 47 0>;
+ };
+
+ pwr {
+ label = "PWR";
+ gpios = <&gpio 35 0>;
+ default-state = "keep";
+ linux,default-trigger = "default-on";
+ };
+ };
+};
+
+&gpio {
+ pinctrl-0 = <&gpioout &alt0 &i2s_alt0 &alt3>;
+
+ /* I2S interface */
+ i2s_alt0: i2s_alt0 {
+ brcm,pins = <18 19 20 21>;
+ brcm,function = <BCM2835_FSEL_ALT0>;
+ };
+};
diff --git a/arch/arm/boot/dts/bcm2836-rpi.dtsi b/arch/arm/boot/dts/bcm2836-rpi.dtsi
new file mode 100644
index 0000000..46780bb
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2836-rpi.dtsi
@@ -0,0 +1,51 @@
+#include "bcm2835.dtsi"
+
+/ {
+ memory {
+ reg = <0 0x10000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ act {
+ label = "ACT";
+ default-state = "keep";
+ linux,default-trigger = "heartbeat";
+ };
+ };
+};
+
+&gpio {
+ pinctrl-names = "default";
+
+ gpioout: gpioout {
+ brcm,pins = <6>;
+ brcm,function = <BCM2835_FSEL_GPIO_OUT>;
+ };
+
+ alt0: alt0 {
+ brcm,pins = <0 1 2 3 4 5 7 8 9 10 11 14 15 40 45>;
+ brcm,function = <BCM2835_FSEL_ALT0>;
+ };
+
+ alt3: alt3 {
+ brcm,pins = <48 49 50 51 52 53>;
+ brcm,function = <BCM2835_FSEL_ALT3>;
+ };
+};
+
+&i2c0 {
+ status = "okay";
+ clock-frequency = <100000>;
+};
+
+&i2c1 {
+ status = "okay";
+ clock-frequency = <100000>;
+};
+
+&sdhci {
+ status = "okay";
+ bus-width = <4>;
+};
diff --git a/arch/arm/boot/dts/bcm2836.dtsi b/arch/arm/boot/dts/bcm2836.dtsi
new file mode 100644
index 0000000..bdf9993
--- /dev/null
+++ b/arch/arm/boot/dts/bcm2836.dtsi
@@ -0,0 +1,31 @@
+#include <dt-bindings/pinctrl/bcm2835.h>
+#include "skeleton.dtsi"
+#include "bcm283x-common.dtsi"
+
+/ {
+ compatible = "brcm,bcm2835";
+ model = "BCM2835";
+ interrupt-parent = <&intc>;
+
+ chosen {
+ bootargs = "earlyprintk console=ttyAMA0";
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x7e000000 0x20000000 0x02000000>;
+
+ timer@7e003000 {
+ compatible = "brcm,bcm2835-system-timer";
+ reg = <0x7e003000 0x1000>;
+ interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
+ clock-frequency = <1000000>;
+ };
+
+ arm-pmu {
+ compatible = "arm,arm1176-pmu";
+ };
+ };
+};
--
2.1.4
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