| Message ID | 1520602328-28972-2-git-send-email-stefan.wahren@i2se.com |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
| Series | nvmem: Enable OTP access for Raspberry Pi | expand |
On Fri, Mar 09, 2018 at 02:32:06PM +0100, Stefan Wahren wrote: > This patch adds the devicetree binding for Raspberry Pi customer OTP > driver. > > Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> > --- > .../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>; Not documented nor necessary. It's the parent. > + #address-cells = <1>; > + #size-cells = <1>; Are there some child nodes? If not, there's no point in having this node. Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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>; + }; +};
This patch adds the devicetree binding for Raspberry Pi customer OTP driver. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> --- .../nvmem/raspberrypi,bcm2835-customer-otp.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/nvmem/raspberrypi,bcm2835-customer-otp.txt