From: Nava kishore Manne <nava.manne@xilinx.com>
To: <atull@kernel.org>, <mdf@kernel.org>, <robh+dt@kernel.org>,
<mark.rutland@arm.com>, <michal.simek@xilinx.com>,
<rajanv@xilinx.com>, <jollys@xilinx.com>, <nava.manne@xilinx.com>,
<linux-fpga@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <chinnikishore369@gmail.com>
Subject: [PATCH v4 5/6] dt-bindings: nvmem: Add bindings for ZynqMP nvmem driver
Date: Thu, 14 Mar 2019 19:31:21 +0530 [thread overview]
Message-ID: <20190314140122.23372-6-nava.manne@xilinx.com> (raw)
In-Reply-To: <20190314140122.23372-1-nava.manne@xilinx.com>
Add documentation to describe Xilinx ZynqMP nvmem driver
bindings.
Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
.../bindings/nvmem/xlnx,zynqmp-nvmem.txt | 47 +++++++++++++++++++
1 file changed, 47 insertions(+)
create mode 100644 Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
diff --git a/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
new file mode 100644
index 000000000000..2043c8284f8c
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/xlnx,zynqmp-nvmem.txt
@@ -0,0 +1,47 @@
+--------------------------------------------------------------------------
+= Zynq UltraScale+ MPSoC nvmem firmware driver binding =
+--------------------------------------------------------------------------
+The nvmem_firmware node provides access to the hardware related data
+like soc revision, IDCODE... etc, By using the firmware interface.
+
+Required properties:
+- compatible: should be "xlnx,zynqmp-nvmem-fw"
+
+= Data cells =
+Are child nodes of silicon id, bindings of which as described in
+bindings/nvmem/nvmem.txt
+
+-------
+ Example
+-------
+firmware {
+ zynqmp_firmware: zynqmp-firmware {
+ compatible = "xlnx,zynqmp-firmware";
+ method = "smc";
+
+ nvmem_firmware {
+ compatible = "xlnx,zynqmp-nvmem-fw";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ /* Data cells */
+ soc_revision: soc_revision {
+ reg = <0x0 0x4>;
+ };
+ };
+ };
+};
+
+= Data consumers =
+Are device nodes which consume nvmem data cells.
+
+For example:
+ pcap {
+ ...
+
+ nvmem-cells = <&soc_revision>;
+ nvmem-cell-names = "soc_revision";
+
+ ...
+ };
+
--
2.18.0
next prev parent reply other threads:[~2019-03-14 14:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-14 14:01 [PATCH v4 0/6]dt-bindings: Firmware node binding for ZynqMP core Nava kishore Manne
2019-03-14 14:01 ` [PATCH v4 1/6] dt-bindings: power: Add ZynqMP power domain bindings Nava kishore Manne
2019-03-14 14:01 ` [PATCH v4 2/6] dt-bindings: soc: Add ZynqMP PM bindings Nava kishore Manne
2019-03-14 14:01 ` [PATCH v4 3/6] dt-bindings: reset: Add bindings for ZynqMP reset driver Nava kishore Manne
2019-03-14 14:01 ` [PATCH v4 4/6] dt-bindings: pinctrl: Add ZynqMP pin controller bindings Nava kishore Manne
2019-03-14 14:01 ` Nava kishore Manne [this message]
2019-03-14 14:01 ` [PATCH v4 6/6] dt-bindings: fpga: Add bindings for ZynqMP fpga driver Nava kishore Manne
2019-03-22 7:16 ` Nava kishore Manne
2019-03-25 19:18 ` Rob Herring
2019-03-26 14:06 ` Nava kishore Manne
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