On 1/31/24 10:17, Michal Simek wrote:
Describe soc-nvmem subnode as the part of firmware node. The name can't be
pure nvmem because dt-schema already defines it as array property that's
why different name should be used.
Signed-off-by: Michal Simek <michal.simek@xxxxxxx>
---
Changes in v2:
- Fix typo in subject
- Make example bigger requested by Conor
Dt binding for nvmem node has been already merged and it is the part of
linux-next tree.
Here is the reference to it just in case:
https://lore.kernel.org/r/170635581622.41421.8980881999042944764.b4-ty@xxxxxxxxxx
v1 available here:
https://lore.kernel.org/r/3869498c995cbb123127122f429e90de0a3f4014.1706531104.git.michal.simek@xxxxxxx
---
.../firmware/xilinx/xlnx,zynqmp-firmware.yaml | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml
index 870b94813a43..741f17c830f4 100644
--- a/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml
+++ b/Documentation/devicetree/bindings/firmware/xilinx/xlnx,zynqmp-firmware.yaml
@@ -62,6 +62,12 @@ properties:
interface.
type: object
+ soc-nvmem:
+ $ref: /schemas/nvmem/xlnx,zynqmp-nvmem.yaml#
+ description: The ZynqMP MPSoC provides access to the hardware related data
+ like SOC revision, IDCODE and specific purpose efuses.
+ type: object
+
pcap:
$ref: /schemas/fpga/xlnx,zynqmp-pcap-fpga.yaml#
description: The ZynqMP SoC uses the PCAP (Processor Configuration Port) to
@@ -110,6 +116,18 @@ examples:
firmware {
zynqmp_firmware: zynqmp-firmware {
#power-domain-cells = <1>;
+ soc-nvmem {
+ compatible = "xlnx,zynqmp-nvmem-fw";
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ soc_revision: soc-revision@0 {
+ reg = <0x0 0x4>;
+ };
+ };
+ };
gpio {
compatible = "xlnx,zynqmp-gpio-modepin";
gpio-controller;
Applied.
M
