This patch adds the devicetree binding for Raspberry Pi customer OTP
driver.
Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
---
.../nvmem/raspberrypi,bcm2835-customer-otp.txt | 27 ++++++++++++++++++++++
1 file changed, 27 insertions(+)
create mode 100644 Documentation/devicetree/bindings/nvmem/raspberrypi,bcm2835-customer-otp.txt
diff --git a/Documentation/devicetree/bindings/nvmem/raspberrypi,bcm2835-customer-otp.txt b/Documentation/devicetree/bindings/nvmem/raspberrypi,bcm2835-customer-otp.txt
new file mode 100644
index 0000000..3f57744
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/raspberrypi,bcm2835-customer-otp.txt
@@ -0,0 +1,27 @@
+Customer OTP Memory for Raspberry Pi
+
+The VC4 firmware exposes a mailbox interface that allows the ARM core
+to access the customer part of the OTP memory.
+
+The OTP node must be a child node of the Raspberry Pi firmware node.
+
+Required properties :
+- compatible : Should be "raspberrypi,bcm2835-customer-otp"
+- #address-cells : Should be 1
+- #size-cells : Should be 1
+
+See nvmem.txt for more information.
+
+Example:
+
+firmware: firmware-rpi {
+ compatible = "raspberrypi,bcm2835-firmware";
+ mboxes = <&mailbox>;
+
+ customer_otp: otp {
+ compatible = "raspberrypi,bcm2835-customer-otp";
+ firmware = <&firmware>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+};
--
2.7.4
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