This adds a device tree binding for random number generator present on Broadcom
BCM2835 SoC, used in Raspberry Pi and Roku 2 devices.
Signed-off-by: Lubomir Rintel <lkund...@v3.sk>
Cc: Stephen Warren <swar...@wwwdotorg.org>
Cc: linux-rpi-ker...@lists.infradead.org
---
Changes for v2:
- Split out from the driver changeset
- Added documentation
.../devicetree/bindings/rng/brcm,bcm2835.txt | 13 +++++++++++++
arch/arm/boot/dts/bcm2835.dtsi | 5 +++++
2 files changed, 18 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
b/Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
new file mode 100644
index 0000000..07ccdaa
--- /dev/null
+++ b/Documentation/devicetree/bindings/rng/brcm,bcm2835.txt
@@ -0,0 +1,13 @@
+BCM2835 Random number generator
+
+Required properties:
+
+- compatible : should be "brcm,bcm2835-rng"
+- reg : Specifies base physical address and size of the registers.
+
+Example:
+
+rng {
+ compatible = "brcm,bcm2835-rng";
+ reg = <0x7e104000 0x10>;
+};
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 7e0481e..dc22336 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -34,6 +34,11 @@
reg = <0x7e100000 0x28>;
};
+ rng {
+ compatible = "brcm,bcm2835-rng";
+ reg = <0x7e104000 0x10>;
+ };
+
uart@20201000 {
compatible = "brcm,bcm2835-pl011", "arm,pl011",
"arm,primecell";
reg = <0x7e201000 0x1000>;
--
1.7.1
--
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